Long Beach climate — normals and trends

Q: What is the climate of Long Beach?

Long Beach has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.4 °C and it receives 1,445 mm of precipitation per year.

Q: What is the hottest day ever recorded in Long Beach?

The hottest day measured in Long Beach between 1940 and 2025 was 29 June 1954, reaching 34.0 °C.

Q: What is the coldest day in Long Beach?

The coldest day measured in Long Beach between 1940 and 2025 was 21 January 1985, at -9.6 °C.

Q: Does it snow in Long Beach?

Almost never: Long Beach sees virtually no snow, with about 2 frost days per year.

Q: Has the climate of Long Beach warmed?

Yes: Long Beach warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Long Beach?

The wettest day measured in Long Beach between 1940 and 2025 was 29 August 2012, with 194 mm of rain in 24 hours.

Q: What was the windiest day in Long Beach?

The windiest day measured in Long Beach between 1940 and 2025 was 29 August 2005, with winds reaching 125.7 km/h.

Q: What is the warmest month in Long Beach?

The warmest month in Long Beach is August (27.8 °C on average); the coldest is January (11.4 °C).

Q: How much does it rain in Long Beach?

Long Beach receives on average 1,445 mm of precipitation per year, spread over about 130 rainy days.

Q: Is it sunny in Long Beach?

Long Beach gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Long Beach (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.4 °C and it receives 1,445 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 August (27.8 °C on average) and the coldest is January (11.4 °C). Rainfall peaks in September.

Long Beach averages 2 frost days, 21 hot days (≥ 30 °C) and 130 rainy days per year.

Long Beach has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.0 °C (on 29 June 1954) and the coldest -9.6 °C (on 21 January 1985).

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

Long BeachMississippi

coords: 30.35°, -89.15°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthSeptemberDriest monthOctober

Mean daily temperature

20.4°C

Average daily high

22.1°C

Average daily low

18.6°C

Annual rainfall

1,445mm

Sunshine / day

9.9h

Mean relative humidity

77%

Average peak wind

23.2km/h

Seasonal range

16.4°C

Frost days (< 0 °C)

2 d/yr

Hot days (≥ 30 °C)

21 d/yr

Rainy days (≥ 1 mm)

130 d/yr

Annual snowfall

0.4 cm

Average feels-like high

23.5 °C

Average feels-like low

18.2 °C

Average peak gust

34.1 km/h

Tropical nights (≥ 20 °C)

179 d/yr

Solar radiation

17.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.9 °C

since 1940

+0.1 °C per decade · r² = 0.21 · 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

34.0 °C

29 June 1954

Coldest day

-9.6 °C

21 January 1985

Wettest day

194 mm

29 August 2012

Windiest day

125.7 km/h

29 August 2005

Strongest gust

196.2 km/h

29 August 2005

Hottest feels-like

41.8 °C

1 August 1998

Coldest feels-like

-17.7 °C

23 December 1989

Snowiest day

8.2 cm

21 January 2025

Sunniest day

14.0 h

20 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	33.1 °C29 July 2025	-4.1 °C22 January 2025	21.3 °C	1,231 mm	35	4
2024	33.6 °C7 August 2024	-1.8 °C17 January 2024	21.7 °C	1,878 mm	44	2
2023	33.8 °C26 August 2023	4.0 °C14 January 2023	21.9 °C	1,168 mm	67	0
2022	33.3 °C23 June 2022	-2.4 °C24 December 2022	20.9 °C	1,601 mm	25	2
2021	32.5 °C23 August 2021	-2.0 °C16 February 2021	20.8 °C	2,135 mm	17	1
2020	32.2 °C16 August 2020	2.6 °C21 January 2020	21.4 °C	1,718 mm	23	0
2019	32.7 °C6 July 2019	1.9 °C13 November 2019	21.1 °C	1,385 mm	40	0
2018	32.6 °C22 July 2018	-3.5 °C17 January 2018	21.1 °C	1,628 mm	27	4
2017	31.6 °C27 July 2017	-0.1 °C7 January 2017	21.4 °C	1,700 mm	14	1
2016	32.2 °C1 September 2016	2.5 °C24 January 2016	21.5 °C	1,632 mm	26	0
2015	32.8 °C29 July 2015	-2.0 °C8 January 2015	21.3 °C	1,324 mm	34	1
2014	33.5 °C24 August 2014	-3.2 °C7 January 2014	20.1 °C	1,362 mm	11	5
2013	31.7 °C14 June 2013	2.3 °C3 March 2013	20.5 °C	1,712 mm	15	0
2012	33.6 °C25 June 2012	1.1 °C12 February 2012	21.4 °C	1,620 mm	15	0
2011	33.3 °C26 August 2011	-0.9 °C13 January 2011	20.9 °C	1,361 mm	47	1
2010	33.3 °C1 August 2010	-2.7 °C9 January 2010	20.3 °C	1,648 mm	40	4
2009	32.3 °C23 June 2009	1.2 °C16 January 2009	20.8 °C	1,485 mm	22	0
2008	31.5 °C22 August 2008	-0.2 °C3 January 2008	20.6 °C	1,422 mm	13	1
2007	32.6 °C11 August 2007	0.1 °C16 February 2007	20.9 °C	1,007 mm	33	0
2006	32.2 °C24 June 2006	0.5 °C8 December 2006	20.9 °C	953 mm	27	0
2005	32.0 °C24 July 2005	0.4 °C23 January 2005	20.5 °C	1,648 mm	26	0
2004	31.5 °C5 August 2004	1.2 °C24 December 2004	20.5 °C	1,500 mm	18	0
2003	30.2 °C5 August 2003	-2.5 °C24 January 2003	20.0 °C	1,485 mm	3	1
2002	31.6 °C20 July 2002	0.3 °C27 February 2002	20.3 °C	1,837 mm	7	0
2001	31.1 °C21 July 2001	-1.1 °C2 January 2001	20.1 °C	1,375 mm	8	1
2000	33.5 °C29 August 2000	-0.7 °C20 December 2000	20.7 °C	948 mm	39	2
1999	32.5 °C29 August 1999	-0.8 °C5 January 1999	21.0 °C	895 mm	36	2
1998	33.3 °C1 August 1998	1.0 °C12 March 1998	21.1 °C	1,722 mm	46	0
1997	32.8 °C4 July 1997	-0.2 °C17 January 1997	20.0 °C	1,523 mm	25	1
1996	31.0 °C26 June 1996	-4.5 °C4 February 1996	19.9 °C	1,191 mm	16	7
1995	32.6 °C16 August 1995	0.9 °C10 December 1995	20.5 °C	1,738 mm	37	0
1994	30.2 °C16 June 1994	-0.7 °C19 January 1994	20.2 °C	1,373 mm	1	1
1993	32.9 °C31 July 1993	1.5 °C14 March 1993	20.1 °C	1,649 mm	21	0
1992	31.3 °C8 July 1992	2.0 °C20 January 1992	20.0 °C	1,766 mm	13	0
1991	31.8 °C14 July 1991	2.1 °C16 February 1991	20.6 °C	2,007 mm	27	0
1990	32.2 °C4 August 1990	1.3 °C24 December 1990	21.1 °C	949 mm	37	0
1989	32.8 °C2 September 1989	-9.0 °C23 December 1989	20.1 °C	1,353 mm	15	5
1988	31.0 °C15 August 1988	-0.2 °C7 February 1988	19.7 °C	1,680 mm	11	2
1987	32.3 °C21 August 1987	0.7 °C27 January 1987	19.9 °C	1,484 mm	24	0
1986	33.3 °C1 August 1986	-0.3 °C12 February 1986	20.6 °C	1,203 mm	25	1
1985	31.2 °C31 August 1985	-9.6 °C21 January 1985	20.4 °C	1,505 mm	9	5
1984	30.7 °C22 June 1984	-0.9 °C6 February 1984	19.9 °C	1,059 mm	5	4
1983	32.0 °C29 August 1983	-7.6 °C25 December 1983	19.5 °C	1,753 mm	23	5
1982	31.4 °C28 August 1982	-6.4 °C11 January 1982	20.4 °C	1,508 mm	14	5
1981	32.9 °C9 July 1981	-1.4 °C19 December 1981	20.1 °C	1,068 mm	30	3
1980	33.8 °C15 July 1980	-1.6 °C2 March 1980	20.3 °C	1,861 mm	30	3
1979	31.5 °C16 July 1979	-2.0 °C3 January 1979	19.8 °C	1,742 mm	12	3
1978	31.5 °C3 August 1978	-0.6 °C15 January 1978	19.7 °C	1,350 mm	23	3
1977	31.4 °C14 July 1977	-5.4 °C19 January 1977	19.9 °C	1,610 mm	14	5
1976	31.6 °C1 August 1976	-0.8 °C9 January 1976	19.5 °C	1,182 mm	10	1
1975	31.8 °C5 July 1975	-0.4 °C19 December 1975	20.6 °C	1,893 mm	10	1
1974	32.2 °C12 July 1974	2.0 °C26 February 1974	21.0 °C	1,167 mm	13	0
1973	32.6 °C21 August 1973	-0.2 °C10 February 1973	20.5 °C	1,731 mm	18	1
1972	33.0 °C21 August 1972	0.1 °C16 January 1972	20.9 °C	1,111 mm	28	0
1971	31.5 °C16 August 1971	-0.2 °C10 February 1971	20.4 °C	1,137 mm	14	2
1970	31.2 °C4 July 1970	-2.4 °C7 January 1970	19.6 °C	1,545 mm	17	5
1969	32.6 °C9 July 1969	-0.4 °C5 January 1969	19.6 °C	1,375 mm	22	1
1968	31.2 °C24 August 1968	-0.4 °C14 January 1968	19.4 °C	771 mm	12	1
1967	32.1 °C26 June 1967	1.0 °C8 February 1967	20.0 °C	1,162 mm	11	0
1966	32.0 °C8 July 1966	-5.7 °C30 January 1966	19.6 °C	1,370 mm	11	2
1965	31.2 °C20 July 1965	-1.9 °C17 January 1965	20.4 °C	1,158 mm	11	1
1964	32.1 °C31 August 1964	-1.7 °C14 January 1964	19.8 °C	1,408 mm	23	3
1963	31.4 °C26 August 1963	-6.3 °C24 January 1963	20.0 °C	1,119 mm	21	8
1962	33.3 °C8 August 1962	-8.8 °C11 January 1962	20.4 °C	865 mm	52	6
1961	31.9 °C5 September 1961	-1.1 °C29 January 1961	19.8 °C	1,771 mm	8	1
1960	31.6 °C27 July 1960	0.2 °C22 December 1960	19.5 °C	995 mm	16	0
1959	30.9 °C29 August 1959	0.2 °C5 January 1959	19.8 °C	1,798 mm	5	0
1958	32.3 °C12 August 1958	-1.0 °C13 February 1958	19.6 °C	1,414 mm	17	3
1957	32.8 °C11 July 1957	0.5 °C12 December 1957	20.6 °C	1,581 mm	19	0
1956	31.9 °C8 August 1956	3.1 °C13 January 1956	20.5 °C	1,538 mm	16	0
1955	32.1 °C22 August 1955	0.2 °C16 December 1955	20.4 °C	1,211 mm	11	0
1954	34.0 °C29 June 1954	1.6 °C8 February 1954	20.5 °C	932 mm	40	0
1953	31.5 °C18 June 1953	2.6 °C24 December 1953	20.6 °C	1,768 mm	12	0
1952	32.8 °C24 July 1952	0.8 °C15 December 1952	20.4 °C	1,192 mm	26	0
1951	32.8 °C30 August 1951	-5.9 °C2 February 1951	20.5 °C	1,037 mm	29	4
1950	31.7 °C4 September 1950	0.9 °C25 November 1950	20.8 °C	1,198 mm	10	0
1949	32.0 °C30 June 1949	0.9 °C31 January 1949	21.0 °C	2,021 mm	14	0
1948	31.5 °C15 August 1948	-2.9 °C24 January 1948	20.6 °C	2,357 mm	16	3
1947	32.4 °C21 July 1947	0.2 °C10 February 1947	20.4 °C	1,790 mm	29	0
1946	31.0 °C9 August 1946	2.5 °C23 January 1946	20.5 °C	1,757 mm	13	0
1945	31.3 °C2 September 1945	0.2 °C20 December 1945	20.6 °C	1,162 mm	6	0
1944	31.9 °C19 June 1944	3.4 °C12 December 1944	21.0 °C	1,590 mm	29	0
1943	33.2 °C16 August 1943	0.5 °C3 March 1943	20.3 °C	1,383 mm	34	0
1942	32.0 °C13 July 1942	-0.2 °C8 January 1942	20.3 °C	1,184 mm	15	1
1941	32.3 °C9 August 1941	3.3 °C9 February 1941	20.2 °C	1,163 mm	24	0
1940	31.0 °C10 September 1940	-3.5 °C27 January 1940	19.3 °C	1,690 mm	14	7

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

23.1 °C

+1.0 °C

Hot days (≥ 30 °C)

35 d/yr

+14

Frost days (< 0 °C)

4 d/yr

Annual rainfall

1231 mm

-214 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	12.3 °C	-1.3 °C	106 mm	-18 mm
Feb	16.4 °C	+1.6 °C	142 mm	+16 mm
Mar	19.5 °C	+1.6 °C	120 mm	-25 mm
Apr	23.5 °C	+1.9 °C	69 mm	-34 mm
May	26.0 °C	+0.5 °C	238 mm	+144 mm
Jun	29.0 °C	+0.8 °C	94 mm	-22 mm
Jul	30.4 °C	+1.3 °C	112 mm	-29 mm
Aug	29.5 °C	+0.3 °C	110 mm	-37 mm
Sep	28.7 °C	+1.1 °C	21 mm	-135 mm
Oct	25.2 °C	+1.5 °C	121 mm	+46 mm
Nov	20.1 °C	+1.2 °C	7 mm	-94 mm
Dec	16.1 °C	+0.8 °C	92 mm	-27 mm

The year's extremes

Hottest day

33.1 °C

29 Jul 2025

Coldest day

-4.1 °C

22 Jan 2025

Wettest day

68.8 mm

5 Oct 2025

Windiest day

52.1 km/h

4 Mar 2025

Strongest gust

77.8 km/h

15 Mar 2025

Hottest feels-like

39.8 °C

28 Jul 2025

Coldest feels-like

-10.5 °C

22 Jan 2025

Snowiest day

8.2 cm

21 Jan 2025

Sunniest day

14.0 h

21 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 Long Beach?

Long Beach has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.4 °C and it receives 1,445 mm of precipitation per year.

What is the hottest day ever recorded in Long Beach?

The hottest day measured in Long Beach between 1940 and 2025 was 29 June 1954, reaching 34.0 °C.

What is the coldest day in Long Beach?

The coldest day measured in Long Beach between 1940 and 2025 was 21 January 1985, at -9.6 °C.

Does it snow in Long Beach?

Almost never: Long Beach sees virtually no snow, with about 2 frost days per year.

Has the climate of Long Beach warmed?

Yes: Long Beach warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Long Beach?

The wettest day measured in Long Beach between 1940 and 2025 was 29 August 2012, with 194 mm of rain in 24 hours.

What was the windiest day in Long Beach?

The windiest day measured in Long Beach between 1940 and 2025 was 29 August 2005, with winds reaching 125.7 km/h.

What is the warmest month in Long Beach?

The warmest month in Long Beach is August (27.8 °C on average); the coldest is January (11.4 °C).

How much does it rain in Long Beach?

Long Beach receives on average 1,445 mm of precipitation per year, spread over about 130 rainy days.

Is it sunny in Long Beach?

Long Beach gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

What is the biggest single-day snowfall in Long Beach?

The heaviest 24-hour snowfall measured in Long Beach between 1940 and 2025 was 21 January 2025, with 8.2 cm.

Are there tropical nights in Long Beach?

Yes: Long Beach has on average 179 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Long Beach?

In Long Beach, between 1940 and 2025, the highest apparent temperature reached 41.8 °C on 1 August 1998, and the lowest was -17.7 °C on 23 December 1989.

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