North Stamford climate — normals and trends

Q: What is the climate of North Stamford?

North Stamford has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 11.0 °C and it receives 1,140 mm of precipitation per year.

Q: What is the hottest day ever recorded in North Stamford?

The hottest day measured in North Stamford between 1940 and 2025 was 3 July 1966, reaching 39.5 °C.

Q: What is the coldest day in North Stamford?

The coldest day measured in North Stamford between 1940 and 2025 was 22 January 1984, at -23.4 °C.

Q: Does it snow in North Stamford?

Yes. North Stamford gets on average 80.0 cm of snow per year and has around 89 frost days.

Q: Has the climate of North Stamford warmed?

Yes: North Stamford warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in North Stamford?

The wettest day measured in North Stamford between 1940 and 2025 was 14 September 1944, with 143 mm of rain in 24 hours.

Q: What was the windiest day in North Stamford?

The windiest day measured in North Stamford between 1940 and 2025 was 25 November 1950, with winds reaching 57.4 km/h.

Q: What is the warmest month in North Stamford?

The warmest month in North Stamford is July (23.5 °C on average); the coldest is January (-1.6 °C).

Q: How much does it rain in North Stamford?

North Stamford receives on average 1,140 mm of precipitation per year, spread over about 121 rainy days.

Q: Is it sunny in North Stamford?

North Stamford gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.

North Stamford (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 11.0 °C and it receives 1,140 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is July (23.5 °C on average) and the coldest is January (-1.6 °C). Rainfall peaks in August.

North Stamford averages 89 frost days, 20 hot days (≥ 30 °C) and 121 rainy days per year.

North Stamford has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.

The number of frost days there went from about 100 to 78 per year over the period.

The hottest day of the period reached 39.5 °C (on 3 July 1966) and the coldest -23.4 °C (on 22 January 1984).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

North StamfordConnecticut

coords: 41.14°, -73.54°
period: 1940–2025 · 86 yrs

DfaHot-summer humid continentalWarmest monthJulyColdest monthJanuaryWettest monthAugustDriest monthFebruary

Mean daily temperature

11.0°C

Average daily high

15.2°C

Average daily low

7.1°C

Annual rainfall

1,140mm

Sunshine / day

8.8h

Mean relative humidity

70%

Average peak wind

17.1km/h

Seasonal range

25.1°C

Frost days (< 0 °C)

89 d/yr

Hot days (≥ 30 °C)

20 d/yr

Rainy days (≥ 1 mm)

121 d/yr

Annual snowfall

80.0 cm

Average feels-like high

13.6 °C

Average feels-like low

4.4 °C

Average peak gust

40.1 km/h

Tropical nights (≥ 20 °C)

32 d/yr

Solar radiation

14.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.7 °C

since 1940

+0.2 °C per decade · r² = 0.41 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

39.5 °C

3 July 1966

Coldest day

-23.4 °C

22 January 1984

Wettest day

143 mm

14 September 1944

Windiest day

57.4 km/h

25 November 1950

Strongest gust

149.8 km/h

25 November 1950

Hottest feels-like

44.3 °C

26 June 1952

Coldest feels-like

-28.8 °C

22 January 1984

Snowiest day

32.8 cm

14 March 2017

Sunniest day

14.3 h

20 June 2022

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.3 °C24 June 2025	-14.5 °C22 January 2025	11.5 °C	1,101 mm	27	94
2024	35.3 °C21 June 2024	-14.2 °C23 December 2024	12.6 °C	1,170 mm	22	62
2023	33.9 °C7 September 2023	-19.6 °C4 February 2023	12.6 °C	1,465 mm	14	59
2022	35.7 °C24 July 2022	-15.3 °C16 January 2022	12.1 °C	1,181 mm	33	90
2021	36.2 °C30 June 2021	-11.7 °C29 January 2021	12.3 °C	1,221 mm	26	82
2020	35.9 °C27 July 2020	-12.8 °C15 February 2020	12.5 °C	1,093 mm	35	58
2019	35.7 °C21 July 2019	-17.7 °C31 January 2019	11.5 °C	1,320 mm	22	97
2018	35.7 °C1 July 2018	-17.9 °C7 January 2018	11.8 °C	1,487 mm	34	88
2017	33.6 °C13 June 2017	-15.9 °C9 January 2017	11.9 °C	1,135 mm	15	77
2016	35.2 °C23 July 2016	-19.9 °C14 February 2016	12.3 °C	920 mm	32	74
2015	34.3 °C8 September 2015	-20.9 °C24 February 2015	11.6 °C	960 mm	24	86
2014	31.9 °C27 August 2014	-19.1 °C4 January 2014	10.6 °C	1,018 mm	10	98
2013	35.8 °C19 July 2013	-13.8 °C17 December 2013	11.2 °C	1,015 mm	23	99
2012	39.3 °C18 July 2012	-12.5 °C16 January 2012	12.8 °C	955 mm	32	61
2011	39.2 °C22 July 2011	-18.7 °C24 January 2011	12.0 °C	1,546 mm	23	80
2010	39.0 °C6 July 2010	-12.8 °C30 January 2010	12.4 °C	1,109 mm	52	81
2009	32.8 °C17 August 2009	-17.9 °C17 January 2009	10.8 °C	1,175 mm	11	88
2008	34.5 °C10 June 2008	-13.1 °C3 January 2008	11.4 °C	1,266 mm	16	90
2007	34.2 °C26 June 2007	-15.2 °C26 January 2007	11.5 °C	1,044 mm	24	85
2006	37.3 °C3 August 2006	-11.9 °C16 January 2006	12.3 °C	1,259 mm	18	65
2005	36.5 °C5 August 2005	-18.7 °C22 January 2005	11.5 °C	1,300 mm	39	95
2004	34.2 °C9 June 2004	-19.5 °C15 January 2004	10.9 °C	1,181 mm	11	89
2003	32.9 °C5 July 2003	-18.1 °C18 January 2003	10.3 °C	1,443 mm	13	95
2002	36.1 °C13 August 2002	-9.5 °C14 February 2002	11.9 °C	1,015 mm	37	74
2001	37.7 °C9 August 2001	-13.2 °C13 January 2001	11.6 °C	836 mm	18	81
2000	31.7 °C7 May 2000	-17.9 °C18 January 2000	10.4 °C	957 mm	11	89
1999	37.0 °C5 July 1999	-14.1 °C2 January 1999	11.8 °C	1,064 mm	31	82
1998	34.8 °C22 July 1998	-12.6 °C1 January 1998	12.4 °C	958 mm	25	57
1997	35.4 °C15 July 1997	-17.7 °C19 January 1997	10.8 °C	966 mm	25	88
1996	32.8 °C20 May 1996	-18.9 °C6 January 1996	10.4 °C	1,403 mm	5	86
1995	38.4 °C15 July 1995	-16.6 °C6 February 1995	11.3 °C	1,005 mm	25	93
1994	34.1 °C19 June 1994	-20.6 °C27 January 1994	11.0 °C	1,309 mm	16	92
1993	38.9 °C10 July 1993	-17.3 °C7 February 1993	11.2 °C	1,140 mm	34	87
1992	32.3 °C23 May 1992	-13.8 °C19 January 1992	10.3 °C	1,172 mm	7	88
1991	37.5 °C21 July 1991	-15.3 °C22 January 1991	12.1 °C	1,221 mm	34	79
1990	34.1 °C4 July 1990	-16.0 °C26 February 1990	12.1 °C	1,255 mm	12	74
1989	33.8 °C5 August 1989	-16.9 °C23 December 1989	10.5 °C	1,387 mm	14	104
1988	37.0 °C15 June 1988	-20.5 °C15 January 1988	10.8 °C	992 mm	37	91
1987	34.1 °C24 July 1987	-18.2 °C15 February 1987	11.0 °C	1,160 mm	24	86
1986	35.5 °C7 July 1986	-16.2 °C15 January 1986	11.0 °C	1,127 mm	13	94
1985	34.0 °C14 August 1985	-19.3 °C21 January 1985	11.1 °C	912 mm	12	92
1984	34.5 °C13 June 1984	-23.4 °C22 January 1984	11.0 °C	1,233 mm	12	81
1983	36.5 °C11 September 1983	-15.0 °C26 December 1983	11.5 °C	1,545 mm	43	75
1982	36.5 °C19 July 1982	-20.2 °C18 January 1982	10.7 °C	915 mm	18	93
1981	34.7 °C9 July 1981	-22.4 °C12 January 1981	10.8 °C	952 mm	25	90
1980	37.1 °C21 July 1980	-20.2 °C25 December 1980	10.6 °C	876 mm	37	106
1979	33.5 °C10 May 1979	-22.2 °C18 February 1979	10.8 °C	1,366 mm	15	79
1978	36.3 °C23 July 1978	-16.8 °C5 February 1978	9.8 °C	1,192 mm	13	106
1977	36.3 °C21 July 1977	-19.2 °C17 January 1977	10.7 °C	1,358 mm	22	94
1976	33.2 °C19 April 1976	-20.1 °C23 January 1976	10.4 °C	1,021 mm	24	108
1975	36.5 °C2 August 1975	-15.4 °C24 December 1975	11.4 °C	1,295 mm	12	84
1974	34.4 °C14 July 1974	-16.9 °C18 January 1974	10.8 °C	1,149 mm	17	92
1973	33.5 °C11 June 1973	-14.6 °C17 February 1973	11.5 °C	1,311 mm	20	68
1972	32.4 °C23 July 1972	-16.5 °C23 February 1972	10.2 °C	1,462 mm	15	98
1971	34.9 °C8 July 1971	-17.6 °C3 February 1971	11.0 °C	1,029 mm	20	84
1970	33.5 °C23 September 1970	-16.4 °C22 January 1970	10.6 °C	932 mm	25	106
1969	33.9 °C17 July 1969	-14.1 °C25 December 1969	10.5 °C	1,233 mm	12	108
1968	36.1 °C16 July 1968	-19.6 °C9 January 1968	10.4 °C	994 mm	27	96
1967	33.1 °C16 June 1967	-21.7 °C13 February 1967	9.9 °C	1,148 mm	5	100
1966	39.5 °C3 July 1966	-17.2 °C20 February 1966	10.6 °C	942 mm	28	91
1965	33.8 °C23 June 1965	-18.9 °C15 January 1965	10.1 °C	757 mm	20	100
1964	36.9 °C1 July 1964	-16.2 °C15 January 1964	10.5 °C	916 mm	16	98
1963	36.4 °C27 June 1963	-19.2 °C8 February 1963	10.1 °C	965 mm	18	103
1962	33.7 °C19 May 1962	-19.8 °C11 February 1962	9.8 °C	942 mm	11	105
1961	32.5 °C13 June 1961	-21.4 °C2 February 1961	10.3 °C	1,180 mm	16	94
1960	31.8 °C29 August 1960	-16.9 °C23 December 1960	10.1 °C	1,161 mm	7	115
1959	33.1 °C9 June 1959	-15.2 °C2 February 1959	11.2 °C	1,236 mm	30	92
1958	32.7 °C2 July 1958	-18.6 °C18 February 1958	9.7 °C	1,284 mm	8	85
1957	36.4 °C22 July 1957	-22.1 °C15 January 1957	11.3 °C	865 mm	21	86
1956	33.9 °C15 June 1956	-13.5 °C2 January 1956	10.4 °C	1,055 mm	16	88
1955	36.2 °C23 July 1955	-18.1 °C3 February 1955	11.0 °C	1,237 mm	29	101
1954	35.4 °C14 July 1954	-17.7 °C14 January 1954	10.8 °C	1,194 mm	13	85
1953	38.9 °C2 September 1953	-11.0 °C2 February 1953	11.9 °C	1,219 mm	32	68
1952	37.0 °C26 June 1952	-16.2 °C30 January 1952	11.2 °C	1,206 mm	28	88
1951	33.3 °C27 July 1951	-14.2 °C9 February 1951	11.0 °C	1,199 mm	15	87
1950	32.1 °C26 June 1950	-19.6 °C4 March 1950	10.3 °C	1,108 mm	10	101
1949	36.1 °C4 July 1949	-13.6 °C20 March 1949	11.8 °C	1,030 mm	30	80
1948	36.8 °C27 August 1948	-19.0 °C31 January 1948	10.3 °C	1,150 mm	15	100
1947	34.2 °C15 August 1947	-13.4 °C5 February 1947	10.6 °C	1,072 mm	14	109
1946	33.3 °C19 July 1946	-15.9 °C20 January 1946	11.2 °C	934 mm	11	79
1945	32.5 °C30 June 1945	-20.3 °C25 January 1945	10.5 °C	1,415 mm	6	88
1944	33.1 °C5 August 1944	-15.4 °C17 January 1944	10.4 °C	1,314 mm	26	110
1943	34.5 °C25 June 1943	-20.1 °C16 February 1943	10.0 °C	995 mm	14	113
1942	32.3 °C19 July 1942	-21.6 °C21 December 1942	10.2 °C	1,267 mm	4	103
1941	33.6 °C2 July 1941	-15.1 °C14 January 1941	10.4 °C	927 mm	11	111
1940	33.6 °C26 July 1940	-15.3 °C20 January 1940	9.5 °C	1,186 mm	13	111

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

15.7 °C

+0.5 °C

Hot days (≥ 30 °C)

27 d/yr

Frost days (< 0 °C)

94 d/yr

Annual rainfall

1101 mm

-39 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	1.4 °C	-0.5 °C	34 mm	-53 mm
Feb	3.2 °C	0.0 °C	80 mm	-1 mm
Mar	11.5 °C	+3.6 °C	106 mm	+2 mm
Apr	15.9 °C	+1.6 °C	91 mm	-6 mm
May	19.4 °C	-0.6 °C	185 mm	+85 mm
Jun	25.9 °C	+0.8 °C	60 mm	-29 mm
Jul	29.2 °C	+1.2 °C	116 mm	+19 mm
Aug	26.7 °C	-0.2 °C	46 mm	-58 mm
Sep	24.3 °C	+1.4 °C	84 mm	-8 mm
Oct	17.4 °C	+0.4 °C	164 mm	+71 mm
Nov	10.3 °C	-0.4 °C	57 mm	-38 mm
Dec	2.9 °C	-1.6 °C	78 mm	-22 mm

The year's extremes

Hottest day

36.3 °C

24 Jun 2025

Coldest day

-14.5 °C

22 Jan 2025

Wettest day

77.3 mm

30 Oct 2025

Windiest day

33.0 km/h

17 Feb 2025

Strongest gust

77.0 km/h

16 Mar 2025

Hottest feels-like

41.6 °C

24 Jun 2025

Coldest feels-like

-19.8 °C

22 Jan 2025

Snowiest day

8.6 cm

9 Feb 2025

Sunniest day

14.2 h

24 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of North Stamford?

North Stamford has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 11.0 °C and it receives 1,140 mm of precipitation per year.

What is the hottest day ever recorded in North Stamford?

The hottest day measured in North Stamford between 1940 and 2025 was 3 July 1966, reaching 39.5 °C.

What is the coldest day in North Stamford?

The coldest day measured in North Stamford between 1940 and 2025 was 22 January 1984, at -23.4 °C.

Does it snow in North Stamford?

Yes. North Stamford gets on average 80.0 cm of snow per year and has around 89 frost days.

Has the climate of North Stamford warmed?

Yes: North Stamford warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in North Stamford?

The wettest day measured in North Stamford between 1940 and 2025 was 14 September 1944, with 143 mm of rain in 24 hours.

What was the windiest day in North Stamford?

The windiest day measured in North Stamford between 1940 and 2025 was 25 November 1950, with winds reaching 57.4 km/h.

What is the warmest month in North Stamford?

The warmest month in North Stamford is July (23.5 °C on average); the coldest is January (-1.6 °C).

How much does it rain in North Stamford?

North Stamford receives on average 1,140 mm of precipitation per year, spread over about 121 rainy days.

Is it sunny in North Stamford?

North Stamford gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.

What is the biggest single-day snowfall in North Stamford?

The heaviest 24-hour snowfall measured in North Stamford between 1940 and 2025 was 14 March 2017, with 32.8 cm.

Are there tropical nights in North Stamford?

Yes: North Stamford has on average 32 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in North Stamford?

In North Stamford, between 1940 and 2025, the highest apparent temperature reached 44.3 °C on 26 June 1952, and the lowest was -28.8 °C on 22 January 1984.

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