Sebastian climate — normals and trends

Q: What is the climate of Sebastian?

Sebastian has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 23.1 °C and it receives 1,072 mm of precipitation per year.

Q: What is the hottest day ever recorded in Sebastian?

The hottest day measured in Sebastian between 1940 and 2025 was 21 July 1993, reaching 38.3 °C.

Q: What is the coldest day in Sebastian?

The coldest day measured in Sebastian between 1940 and 2025 was 24 December 1989, at -4.2 °C.

Q: Does it snow in Sebastian?

Almost never: Sebastian sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Sebastian warmed?

Yes: Sebastian warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Sebastian?

The wettest day measured in Sebastian between 1940 and 2025 was 12 October 1987, with 139 mm of rain in 24 hours.

Q: What was the windiest day in Sebastian?

The windiest day measured in Sebastian between 1940 and 2025 was 5 September 2004, with winds reaching 87.1 km/h.

Q: What is the warmest month in Sebastian?

The warmest month in Sebastian is July (27.6 °C on average); the coldest is January (17.5 °C).

Q: How much does it rain in Sebastian?

Sebastian receives on average 1,072 mm of precipitation per year, spread over about 160 rainy days.

Q: Is it sunny in Sebastian?

Sebastian gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.

Sebastian (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 23.1 °C and it receives 1,072 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 (27.6 °C on average) and the coldest is January (17.5 °C). Rainfall peaks in August.

Sebastian averages 0 frost days, 125 hot days (≥ 30 °C) and 160 rainy days per year.

Sebastian has warmed by +1.3 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.

The hottest day of the period reached 38.3 °C (on 21 July 1993) and the coldest -4.2 °C (on 24 December 1989).

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

SebastianFlorida

coords: 27.82°, -80.47°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthAugustDriest monthDecember

Mean daily temperature

23.1°C

Average daily high

27.4°C

Average daily low

19.6°C

Annual rainfall

1,072mm

Sunshine / day

10.4h

Mean relative humidity

73%

Average peak wind

17.2km/h

Seasonal range

10.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

125 d/yr

Rainy days (≥ 1 mm)

160 d/yr

Annual snowfall

0.0 cm

Average feels-like high

29.6 °C

Average feels-like low

20.9 °C

Average peak gust

36.0 km/h

Tropical nights (≥ 20 °C)

207 d/yr

Solar radiation

17.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.3 °C

since 1940

+0.2 °C per decade · r² = 0.35 · 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

38.3 °C

21 July 1993

Coldest day

-4.2 °C

24 December 1989

Wettest day

139 mm

12 October 1987

Windiest day

87.1 km/h

5 September 2004

Strongest gust

159.5 km/h

5 September 2004

Hottest feels-like

44.7 °C

7 August 2023

Coldest feels-like

-11.5 °C

24 December 1989

Sunniest day

13.2 h

19 June 1956

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	35.2 °C21 May 2025	4.5 °C31 December 2025	24.0 °C	1,271 mm	141	0
2024	35.6 °C10 May 2024	8.7 °C31 January 2024	24.3 °C	1,259 mm	154	0
2023	35.8 °C8 August 2023	4.7 °C16 January 2023	24.6 °C	1,334 mm	148	0
2022	35.8 °C13 July 2022	3.0 °C30 January 2022	24.5 °C	1,430 mm	142	0
2021	34.5 °C3 May 2021	3.0 °C4 February 2021	24.2 °C	1,261 mm	154	0
2020	35.6 °C13 April 2020	4.8 °C26 December 2020	24.6 °C	1,290 mm	153	0
2019	35.3 °C21 June 2019	5.6 °C21 January 2019	24.5 °C	1,469 mm	148	0
2018	35.0 °C17 July 2018	1.5 °C4 January 2018	24.0 °C	1,366 mm	149	0
2017	35.3 °C30 May 2017	5.6 °C31 January 2017	24.4 °C	1,291 mm	144	0
2016	35.6 °C30 July 2016	2.6 °C24 January 2016	24.1 °C	1,334 mm	138	0
2015	35.0 °C13 July 2015	3.2 °C20 February 2015	24.5 °C	1,091 mm	147	0
2014	36.4 °C3 July 2014	2.2 °C19 January 2014	23.3 °C	1,165 mm	136	0
2013	33.3 °C18 June 2013	4.0 °C4 March 2013	23.7 °C	1,101 mm	115	0
2012	35.4 °C21 August 2012	3.0 °C5 January 2012	23.6 °C	1,035 mm	127	0
2011	36.9 °C14 June 2011	4.9 °C13 January 2011	24.0 °C	1,065 mm	160	0
2010	35.8 °C30 July 2010	-0.8 °C14 December 2010	22.3 °C	901 mm	142	1
2009	36.5 °C22 June 2009	1.0 °C22 January 2009	23.4 °C	1,094 mm	147	0
2008	35.3 °C11 May 2008	3.4 °C3 January 2008	23.2 °C	1,206 mm	115	0
2007	35.1 °C5 June 2007	3.1 °C17 February 2007	23.6 °C	1,051 mm	119	0
2006	35.0 °C11 May 2006	2.8 °C14 February 2006	23.5 °C	858 mm	145	0
2005	34.5 °C23 July 2005	4.5 °C24 January 2005	22.9 °C	1,306 mm	103	0
2004	35.6 °C31 May 2004	5.6 °C21 December 2004	23.2 °C	1,252 mm	122	0
2003	35.3 °C12 May 2003	1.3 °C24 January 2003	23.2 °C	1,187 mm	128	0
2002	35.0 °C2 May 2002	1.2 °C4 January 2002	23.4 °C	999 mm	138	0
2001	33.6 °C22 May 2001	1.6 °C5 January 2001	23.0 °C	1,242 mm	110	0
2000	35.5 °C7 July 2000	2.1 °C20 December 2000	23.0 °C	771 mm	126	0
1999	36.5 °C2 August 1999	5.5 °C5 January 1999	23.2 °C	1,105 mm	108	0
1998	38.0 °C5 June 1998	7.1 °C9 February 1998	23.8 °C	1,079 mm	144	0
1997	33.8 °C19 June 1997	1.6 °C19 January 1997	23.2 °C	1,215 mm	107	0
1996	34.2 °C8 July 1996	1.6 °C5 February 1996	22.7 °C	1,104 mm	112	0
1995	35.4 °C18 May 1995	2.2 °C25 December 1995	23.0 °C	1,341 mm	123	0
1994	34.2 °C17 May 1994	7.2 °C5 January 1994	23.5 °C	1,336 mm	107	0
1993	38.3 °C21 July 1993	2.3 °C14 March 1993	23.1 °C	1,050 mm	124	0
1992	36.0 °C27 July 1992	4.4 °C17 January 1992	23.0 °C	1,015 mm	120	0
1991	36.1 °C4 June 1991	0.5 °C16 February 1991	23.7 °C	1,159 mm	139	0
1990	36.0 °C30 August 1990	6.8 °C11 December 1990	24.3 °C	692 mm	154	0
1989	36.9 °C7 August 1989	-4.2 °C24 December 1989	23.5 °C	808 mm	160	4
1988	35.5 °C27 June 1988	3.2 °C19 December 1988	22.9 °C	993 mm	122	0
1987	35.6 °C14 June 1987	2.6 °C24 January 1987	22.8 °C	1,328 mm	114	0
1986	35.5 °C20 July 1986	-3.4 °C28 January 1986	23.3 °C	1,117 mm	133	1
1985	36.2 °C3 June 1985	-3.8 °C22 January 1985	23.0 °C	1,015 mm	126	3
1984	36.3 °C4 May 1984	2.5 °C1 March 1984	22.5 °C	856 mm	106	0
1983	37.3 °C25 July 1983	-1.9 °C26 December 1983	22.4 °C	1,609 mm	110	2
1982	34.1 °C11 June 1982	-2.1 °C12 January 1982	23.6 °C	1,254 mm	118	1
1981	37.4 °C15 July 1981	-0.4 °C14 January 1981	22.5 °C	641 mm	139	2
1980	36.9 °C11 July 1980	-2.1 °C3 March 1980	22.8 °C	805 mm	145	1
1979	35.5 °C3 July 1979	1.6 °C3 January 1979	22.8 °C	986 mm	127	0
1978	35.2 °C3 June 1978	-0.1 °C23 February 1978	22.9 °C	1,092 mm	135	1
1977	34.9 °C22 June 1977	-3.1 °C20 January 1977	22.5 °C	863 mm	131	2
1976	35.8 °C16 July 1976	1.5 °C18 January 1976	22.3 °C	976 mm	94	0
1975	34.9 °C7 July 1975	2.3 °C22 December 1975	23.5 °C	871 mm	141	0
1974	33.8 °C1 April 1974	4.6 °C26 February 1974	23.4 °C	893 mm	146	0
1973	35.7 °C28 May 1973	1.5 °C22 December 1973	22.9 °C	985 mm	133	0
1972	36.1 °C30 June 1972	4.4 °C20 February 1972	23.4 °C	955 mm	125	0
1971	35.5 °C23 April 1971	-0.5 °C20 January 1971	23.1 °C	927 mm	147	1
1970	35.7 °C27 June 1970	-1.6 °C10 January 1970	22.5 °C	810 mm	135	2
1969	36.7 °C12 July 1969	4.4 °C15 November 1969	22.1 °C	1,157 mm	100	0
1968	34.5 °C24 April 1968	1.0 °C16 December 1968	21.6 °C	1,140 mm	90	0
1967	35.1 °C15 May 1967	2.4 °C26 February 1967	22.8 °C	853 mm	112	0
1966	34.4 °C5 July 1966	-1.7 °C31 January 1966	22.0 °C	1,209 mm	93	1
1965	33.7 °C12 April 1965	-0.1 °C18 January 1965	22.5 °C	969 mm	95	1
1964	36.6 °C13 July 1964	-0.4 °C14 January 1964	22.8 °C	1,014 mm	122	1
1963	35.2 °C12 June 1963	2.9 °C25 December 1963	22.4 °C	931 mm	125	0
1962	34.6 °C21 May 1962	-1.8 °C13 December 1962	22.4 °C	1,012 mm	131	2
1961	35.3 °C21 June 1961	1.5 °C22 January 1961	23.0 °C	673 mm	127	0
1960	33.8 °C24 May 1960	2.1 °C22 January 1960	22.2 °C	1,109 mm	99	0
1959	35.3 °C1 August 1959	1.2 °C17 January 1959	22.8 °C	1,329 mm	102	0
1958	35.2 °C16 June 1958	-1.0 °C4 February 1958	22.2 °C	880 mm	115	3
1957	33.8 °C18 August 1957	-1.6 °C12 December 1957	22.8 °C	1,244 mm	113	1
1956	36.0 °C7 August 1956	0.6 °C15 January 1956	22.5 °C	673 mm	110	0
1955	34.1 °C11 August 1955	2.5 °C12 February 1955	22.6 °C	813 mm	133	0
1954	34.2 °C28 June 1954	1.9 °C20 December 1954	22.2 °C	1,136 mm	107	0
1953	35.5 °C27 May 1953	4.7 °C4 January 1953	23.0 °C	1,250 mm	119	0
1952	35.8 °C18 June 1952	2.9 °C16 December 1952	22.8 °C	987 mm	127	0
1951	36.0 °C10 August 1951	2.8 °C9 January 1951	22.8 °C	879 mm	136	0
1950	38.1 °C26 June 1950	0.9 °C26 November 1950	22.7 °C	754 mm	136	0
1949	34.6 °C6 June 1949	2.1 °C1 January 1949	23.2 °C	895 mm	124	0
1948	35.6 °C8 June 1948	-1.7 °C15 January 1948	23.6 °C	1,281 mm	135	1
1947	32.8 °C6 May 1947	3.6 °C5 February 1947	23.0 °C	1,452 mm	65	0
1946	34.1 °C10 April 1946	8.7 °C19 January 1946	23.5 °C	1,252 mm	77	0
1945	36.9 °C1 June 1945	8.4 °C11 January 1945	23.5 °C	1,014 mm	116	0
1944	38.2 °C25 June 1944	6.7 °C12 December 1944	23.6 °C	889 mm	146	0
1943	33.9 °C12 April 1943	7.8 °C16 February 1943	22.9 °C	1,207 mm	85	0
1942	37.6 °C21 July 1942	6.4 °C28 February 1942	23.3 °C	845 mm	113	0
1941	37.3 °C11 June 1941	6.3 °C10 February 1941	23.1 °C	850 mm	113	0
1940	34.9 °C23 May 1940	2.0 °C28 January 1940	22.5 °C	972 mm	87	0

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

28.1 °C

+0.7 °C

Hot days (≥ 30 °C)

141 d/yr

+16

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1271 mm

+199 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	20.7 °C	-1.4 °C	32 mm	-11 mm
Feb	25.7 °C	+2.5 °C	50 mm	+3 mm
Mar	26.2 °C	+1.0 °C	40 mm	-18 mm
Apr	27.9 °C	+0.5 °C	22 mm	-31 mm
May	31.3 °C	+1.6 °C	138 mm	+60 mm
Jun	31.5 °C	+0.4 °C	165 mm	+6 mm
Jul	32.3 °C	+0.5 °C	203 mm	+47 mm
Aug	32.7 °C	+1.0 °C	190 mm	+30 mm
Sep	30.5 °C	0.0 °C	256 mm	+105 mm
Oct	28.0 °C	-0.1 °C	154 mm	+65 mm
Nov	25.4 °C	+0.1 °C	12 mm	-32 mm
Dec	25.0 °C	+1.9 °C	10 mm	-25 mm

The year's extremes

Hottest day

35.2 °C

21 May 2025

Coldest day

4.5 °C

31 Dec 2025

Wettest day

54.9 mm

12 May 2025

Windiest day

32.0 km/h

5 Mar 2025

Strongest gust

76.7 km/h

10 Mar 2025

Hottest feels-like

42.9 °C

30 Jul 2025

Coldest feels-like

0.1 °C

11 Nov 2025

Sunniest day

13.1 h

8 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 Sebastian?

Sebastian has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 23.1 °C and it receives 1,072 mm of precipitation per year.

What is the hottest day ever recorded in Sebastian?

The hottest day measured in Sebastian between 1940 and 2025 was 21 July 1993, reaching 38.3 °C.

What is the coldest day in Sebastian?

The coldest day measured in Sebastian between 1940 and 2025 was 24 December 1989, at -4.2 °C.

Does it snow in Sebastian?

Almost never: Sebastian sees virtually no snow, with about 0 frost days per year.

Has the climate of Sebastian warmed?

Yes: Sebastian warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Sebastian?

The wettest day measured in Sebastian between 1940 and 2025 was 12 October 1987, with 139 mm of rain in 24 hours.

What was the windiest day in Sebastian?

The windiest day measured in Sebastian between 1940 and 2025 was 5 September 2004, with winds reaching 87.1 km/h.

What is the warmest month in Sebastian?

The warmest month in Sebastian is July (27.6 °C on average); the coldest is January (17.5 °C).

How much does it rain in Sebastian?

Sebastian receives on average 1,072 mm of precipitation per year, spread over about 160 rainy days.

Is it sunny in Sebastian?

Sebastian gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.

Are there tropical nights in Sebastian?

Yes: Sebastian has on average 207 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Sebastian?

In Sebastian, between 1940 and 2025, the highest apparent temperature reached 44.7 °C on 7 August 2023, and the lowest was -11.5 °C on 24 December 1989.

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