Broken Arrow climate — normals and trends

Q: What is the climate of Broken Arrow?

Broken Arrow has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.9 °C and it receives 1,044 mm of precipitation per year.

Q: What is the hottest day ever recorded in Broken Arrow?

The hottest day measured in Broken Arrow between 1940 and 2025 was 3 August 2011, reaching 44.3 °C.

Q: What is the coldest day in Broken Arrow?

The coldest day measured in Broken Arrow between 1940 and 2025 was 16 February 2021, at -24.5 °C.

Q: Does it snow in Broken Arrow?

Yes. Broken Arrow gets on average 18.4 cm of snow per year and has around 56 frost days.

Q: Has the climate of Broken Arrow warmed?

Yes: Broken Arrow warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Broken Arrow?

The wettest day measured in Broken Arrow between 1940 and 2025 was 24 May 2015, with 144 mm of rain in 24 hours.

Q: What was the windiest day in Broken Arrow?

The windiest day measured in Broken Arrow between 1940 and 2025 was 13 September 1961, with winds reaching 42.4 km/h.

Q: What is the warmest month in Broken Arrow?

The warmest month in Broken Arrow is July (28.0 °C on average); the coldest is January (2.7 °C).

Q: How much does it rain in Broken Arrow?

Broken Arrow receives on average 1,044 mm of precipitation per year, spread over about 99 rainy days.

Q: Is it sunny in Broken Arrow?

Broken Arrow gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

Broken Arrow (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.9 °C and it receives 1,044 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 (28.0 °C on average) and the coldest is January (2.7 °C). Rainfall peaks in May.

Broken Arrow averages 56 frost days, 89 hot days (≥ 30 °C) and 99 rainy days per year.

Broken Arrow has warmed by +1.5 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.

The number of frost days there went from about 62 to 50 per year over the period.

The hottest day of the period reached 44.3 °C (on 3 August 2011) and the coldest -24.5 °C (on 16 February 2021).

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

Broken ArrowOklahoma

coords: 36.05°, -95.79°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthMayDriest monthJanuary

Mean daily temperature

15.9°C

Average daily high

21.3°C

Average daily low

11.1°C

Annual rainfall

1,044mm

Sunshine / day

9.3h

Mean relative humidity

66%

Average peak wind

17.6km/h

Seasonal range

25.3°C

Frost days (< 0 °C)

56 d/yr

Hot days (≥ 30 °C)

89 d/yr

Rainy days (≥ 1 mm)

99 d/yr

Annual snowfall

18.4 cm

Average feels-like high

20.7 °C

Average feels-like low

9.5 °C

Average peak gust

37.2 km/h

Tropical nights (≥ 20 °C)

92 d/yr

Solar radiation

16.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.5 °C

since 1940

+0.2 °C per decade · r² = 0.28 · 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

44.3 °C

3 August 2011

Coldest day

-24.5 °C

16 February 2021

Wettest day

144 mm

24 May 2015

Windiest day

42.4 km/h

13 September 1961

Strongest gust

100.4 km/h

26 February 2023

Hottest feels-like

47.1 °C

3 August 2011

Coldest feels-like

-29.9 °C

16 February 2021

Snowiest day

24.2 cm

1 February 2011

Sunniest day

14.3 h

29 June 2022

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	37.3 °C30 July 2025	-18.1 °C20 February 2025	17.0 °C	1,333 mm	96	51
2024	37.6 °C6 August 2024	-17.2 °C14 January 2024	17.7 °C	1,134 mm	108	37
2023	40.1 °C20 August 2023	-6.7 °C1 February 2023	17.2 °C	1,107 mm	105	38
2022	41.3 °C19 July 2022	-16.1 °C22 December 2022	16.5 °C	1,118 mm	114	73
2021	36.4 °C23 August 2021	-24.5 °C16 February 2021	16.8 °C	1,278 mm	100	46
2020	36.3 °C28 August 2020	-8.4 °C14 December 2020	16.5 °C	1,244 mm	92	36
2019	37.6 °C12 August 2019	-12.7 °C4 March 2019	16.2 °C	1,516 mm	103	58
2018	41.6 °C20 July 2018	-14.8 °C17 January 2018	16.3 °C	1,119 mm	111	68
2017	38.2 °C22 July 2017	-14.5 °C7 January 2017	17.3 °C	1,130 mm	89	35
2016	37.7 °C11 August 2016	-14.7 °C18 December 2016	17.6 °C	923 mm	101	46
2015	37.9 °C7 August 2015	-13.1 °C8 January 2015	16.6 °C	1,667 mm	95	57
2014	36.9 °C23 August 2014	-17.6 °C6 January 2014	15.3 °C	813 mm	83	63
2013	38.9 °C10 July 2013	-15.9 °C10 December 2013	15.5 °C	1,139 mm	96	66
2012	43.0 °C1 August 2012	-8.1 °C26 December 2012	18.5 °C	677 mm	111	34
2011	44.3 °C3 August 2011	-21.8 °C10 February 2011	17.1 °C	880 mm	107	55
2010	40.4 °C13 August 2010	-15.1 °C8 January 2010	16.5 °C	959 mm	110	63
2009	38.6 °C13 July 2009	-10.7 °C28 January 2009	15.9 °C	1,033 mm	77	57
2008	39.3 °C4 August 2008	-12.3 °C21 December 2008	16.0 °C	977 mm	76	67
2007	39.0 °C14 August 2007	-11.5 °C16 February 2007	16.6 °C	1,082 mm	80	60
2006	41.0 °C19 July 2006	-10.7 °C2 December 2006	17.7 °C	754 mm	110	36
2005	38.1 °C22 July 2005	-14.1 °C9 December 2005	16.8 °C	742 mm	111	40
2004	36.4 °C3 August 2004	-12.6 °C6 January 2004	16.3 °C	1,075 mm	67	48
2003	38.8 °C20 July 2003	-12.6 °C23 January 2003	16.0 °C	903 mm	82	64
2002	36.6 °C3 August 2002	-20.1 °C4 March 2002	15.9 °C	856 mm	91	50
2001	37.7 °C22 July 2001	-14.1 °C2 January 2001	16.6 °C	1,059 mm	88	47
2000	40.8 °C2 September 2000	-12.3 °C12 December 2000	16.3 °C	1,041 mm	96	59
1999	40.5 °C11 August 1999	-12.1 °C4 January 1999	16.9 °C	1,083 mm	75	32
1998	39.9 °C30 July 1998	-11.9 °C22 December 1998	17.4 °C	1,063 mm	119	37
1997	36.5 °C28 July 1997	-16.2 °C17 January 1997	15.4 °C	1,102 mm	81	46
1996	39.9 °C6 July 1996	-21.7 °C4 February 1996	15.2 °C	1,246 mm	79	62
1995	37.7 °C11 July 1995	-11.9 °C9 December 1995	15.8 °C	1,087 mm	78	53
1994	37.6 °C19 August 1994	-11.5 °C9 February 1994	15.9 °C	1,271 mm	78	51
1993	39.6 °C31 July 1993	-13.3 °C18 February 1993	15.2 °C	1,189 mm	77	56
1992	35.5 °C10 August 1992	-9.0 °C16 January 1992	15.9 °C	1,377 mm	56	34
1991	38.0 °C1 August 1991	-8.9 °C26 January 1991	16.6 °C	1,173 mm	99	51
1990	37.7 °C3 July 1990	-16.1 °C24 December 1990	16.8 °C	1,535 mm	94	37
1989	37.0 °C26 August 1989	-21.3 °C23 December 1989	15.2 °C	864 mm	80	64
1988	38.2 °C7 August 1988	-15.3 °C8 January 1988	15.9 °C	985 mm	98	57
1987	37.8 °C2 August 1987	-11.6 °C21 January 1987	16.2 °C	1,331 mm	90	46
1986	42.5 °C30 July 1986	-13.5 °C11 February 1986	16.4 °C	1,131 mm	86	50
1985	38.5 °C1 September 1985	-19.4 °C20 January 1985	15.5 °C	1,413 mm	89	70
1984	40.3 °C29 August 1984	-20.0 °C21 January 1984	15.6 °C	1,191 mm	92	44
1983	38.5 °C22 August 1983	-18.6 °C25 December 1983	15.2 °C	1,092 mm	88	59
1982	37.8 °C14 August 1982	-17.3 °C10 January 1982	15.7 °C	1,304 mm	88	56
1981	39.6 °C20 July 1981	-16.3 °C11 February 1981	16.1 °C	1,342 mm	78	49
1980	41.2 °C17 July 1980	-15.7 °C2 March 1980	16.4 °C	911 mm	113	61
1979	35.6 °C1 July 1979	-20.0 °C1 February 1979	14.8 °C	1,067 mm	80	73
1978	39.5 °C26 July 1978	-15.2 °C17 January 1978	15.3 °C	774 mm	101	77
1977	40.5 °C25 July 1977	-21.9 °C10 January 1977	16.3 °C	986 mm	94	57
1976	36.1 °C31 July 1976	-15.7 °C8 January 1976	15.0 °C	816 mm	67	63
1975	35.7 °C6 July 1975	-12.0 °C18 December 1975	15.2 °C	1,018 mm	76	63
1974	40.1 °C22 July 1974	-12.5 °C12 January 1974	15.6 °C	1,281 mm	72	55
1973	35.7 °C24 August 1973	-16.1 °C12 January 1973	15.5 °C	1,589 mm	71	47
1972	37.7 °C26 July 1972	-15.1 °C15 January 1972	15.4 °C	832 mm	90	59
1971	37.9 °C14 July 1971	-15.4 °C8 February 1971	15.7 °C	920 mm	82	53
1970	40.4 °C8 August 1970	-18.7 °C8 January 1970	15.2 °C	910 mm	87	68
1969	39.5 °C9 August 1969	-11.0 °C4 January 1969	15.3 °C	857 mm	85	59
1968	37.5 °C9 August 1968	-16.6 °C7 January 1968	15.0 °C	1,066 mm	72	71
1967	37.2 °C7 August 1967	-11.9 °C8 March 1967	15.7 °C	804 mm	74	59
1966	39.6 °C19 July 1966	-17.2 °C24 December 1966	15.4 °C	585 mm	84	67
1965	37.8 °C26 August 1965	-10.4 °C24 February 1965	16.4 °C	691 mm	95	62
1964	40.2 °C5 August 1964	-13.7 °C13 January 1964	16.0 °C	894 mm	92	69
1963	38.9 °C27 August 1963	-18.8 °C23 December 1963	16.3 °C	591 mm	118	67
1962	38.8 °C9 August 1962	-17.7 °C11 January 1962	15.7 °C	914 mm	92	59
1961	35.1 °C18 July 1961	-12.2 °C21 January 1961	14.9 °C	1,161 mm	67	57
1960	36.9 °C11 July 1960	-12.1 °C3 March 1960	15.0 °C	996 mm	88	76
1959	36.1 °C6 August 1959	-18.3 °C5 January 1959	15.2 °C	1,116 mm	74	62
1958	36.1 °C12 August 1958	-14.4 °C14 December 1958	15.1 °C	1,016 mm	84	63
1957	38.9 °C29 July 1957	-11.6 °C10 January 1957	15.6 °C	1,404 mm	81	44
1956	41.8 °C16 August 1956	-9.4 °C16 January 1956	16.6 °C	658 mm	120	64
1955	37.0 °C28 July 1955	-10.5 °C11 February 1955	15.9 °C	985 mm	93	74
1954	43.1 °C13 July 1954	-14.0 °C22 January 1954	17.5 °C	526 mm	114	50
1953	38.7 °C20 June 1953	-10.6 °C16 January 1953	16.6 °C	793 mm	112	42
1952	38.3 °C15 August 1952	-7.2 °C23 January 1952	16.1 °C	898 mm	110	49
1951	40.4 °C6 August 1951	-16.0 °C2 February 1951	15.3 °C	895 mm	88	67
1950	34.6 °C26 June 1950	-14.6 °C6 December 1950	15.0 °C	1,255 mm	47	71
1949	36.6 °C12 August 1949	-16.2 °C30 January 1949	15.6 °C	1,173 mm	77	59
1948	36.1 °C22 August 1948	-21.8 °C12 March 1948	15.4 °C	961 mm	85	63
1947	39.9 °C4 September 1947	-24.0 °C4 January 1947	15.4 °C	953 mm	82	66
1946	38.9 °C17 August 1946	-10.7 °C30 December 1946	16.8 °C	1,263 mm	80	33
1945	36.4 °C1 September 1945	-15.6 °C19 December 1945	15.3 °C	1,150 mm	71	57
1944	38.7 °C2 August 1944	-14.8 °C9 January 1944	16.1 °C	992 mm	84	45
1943	39.6 °C9 August 1943	-11.0 °C19 January 1943	16.1 °C	856 mm	91	54
1942	35.0 °C31 July 1942	-11.8 °C8 January 1942	15.0 °C	1,038 mm	72	58
1941	37.3 °C18 July 1941	-8.0 °C18 January 1941	15.2 °C	971 mm	71	65
1940	34.4 °C3 August 1940	-18.0 °C19 January 1940	13.9 °C	890 mm	52	73

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

22.4 °C

+1.1 °C

Hot days (≥ 30 °C)

96 d/yr

Frost days (< 0 °C)

51 d/yr

-5

Annual rainfall

1333 mm

+289 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	6.9 °C	-1.1 °C	39 mm	-8 mm
Feb	10.1 °C	-0.8 °C	38 mm	-21 mm
Mar	20.9 °C	+4.9 °C	70 mm	-23 mm
Apr	22.4 °C	+1.0 °C	301 mm	+170 mm
May	25.4 °C	-0.2 °C	244 mm	+92 mm
Jun	30.7 °C	+0.3 °C	293 mm	+187 mm
Jul	33.1 °C	0.0 °C	54 mm	-20 mm
Aug	31.5 °C	-1.3 °C	88 mm	+21 mm
Sep	29.4 °C	+0.8 °C	50 mm	-43 mm
Oct	25.0 °C	+2.3 °C	97 mm	+5 mm
Nov	19.0 °C	+3.4 °C	55 mm	-16 mm
Dec	13.6 °C	+3.6 °C	4 mm	-54 mm

The year's extremes

Hottest day

37.3 °C

30 Jul 2025

Coldest day

-18.1 °C

20 Feb 2025

Wettest day

75.3 mm

15 Jun 2025

Windiest day

41.8 km/h

14 Mar 2025

Strongest gust

83.5 km/h

4 Mar 2025

Hottest feels-like

42.8 °C

30 Jul 2025

Coldest feels-like

-23.3 °C

20 Feb 2025

Snowiest day

6.8 cm

9 Jan 2025

Sunniest day

14.2 h

19 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 Broken Arrow?

Broken Arrow has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.9 °C and it receives 1,044 mm of precipitation per year.

What is the hottest day ever recorded in Broken Arrow?

The hottest day measured in Broken Arrow between 1940 and 2025 was 3 August 2011, reaching 44.3 °C.

What is the coldest day in Broken Arrow?

The coldest day measured in Broken Arrow between 1940 and 2025 was 16 February 2021, at -24.5 °C.

Does it snow in Broken Arrow?

Yes. Broken Arrow gets on average 18.4 cm of snow per year and has around 56 frost days.

Has the climate of Broken Arrow warmed?

Yes: Broken Arrow warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Broken Arrow?

The wettest day measured in Broken Arrow between 1940 and 2025 was 24 May 2015, with 144 mm of rain in 24 hours.

What was the windiest day in Broken Arrow?

The windiest day measured in Broken Arrow between 1940 and 2025 was 13 September 1961, with winds reaching 42.4 km/h.

What is the warmest month in Broken Arrow?

The warmest month in Broken Arrow is July (28.0 °C on average); the coldest is January (2.7 °C).

How much does it rain in Broken Arrow?

Broken Arrow receives on average 1,044 mm of precipitation per year, spread over about 99 rainy days.

Is it sunny in Broken Arrow?

Broken Arrow gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

What is the biggest single-day snowfall in Broken Arrow?

The heaviest 24-hour snowfall measured in Broken Arrow between 1940 and 2025 was 1 February 2011, with 24.2 cm.

Are there tropical nights in Broken Arrow?

Yes: Broken Arrow has on average 92 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Broken Arrow?

In Broken Arrow, between 1940 and 2025, the highest apparent temperature reached 47.1 °C on 3 August 2011, and the lowest was -29.9 °C on 16 February 2021.

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