Long Beach, CA Climate & Monthly Averages
The climate of Long Beach
Long Beach has a semi-arid climate, marked by big day-to-night temperature swings and modest rainfall. Average daytime highs range from about 64°F (18°C) in January to around 80°F (27°C) in August, and the city records roughly 32 days of measurable precipitation a year.
Climate quick facts
- Hottest month: August - highs near 80°F (27°C)
- Coldest month: January - highs near 64°F (18°C)
- Record high: 107°F (41°C) · Record low: 35°F (2°C) (2015–2024)
- Wettest month: January (6 rainy days) · Sunniest: July (13.0 h sun/day)
- Climate type: semi-arid - big day-to-night temperature swings and modest rainfall
Temperatures through the year
The warmest stretch of the year centers on August. Highs average 80°F (27°C) and overnight lows stay near 65°F (18°C). The coolest month is January, with typical highs of 64°F (18°C) and lows around 47°F (8°C). Based on 2015–2024 weather data, temperatures have reached as high as 107°F (41°C) and dropped as low as 35°F (2°C).
Rain, sun and snow
January is usually the wettest month. It brings about 2.8 inches (72 mm) of rain over 6 days, while July is the driest. July brings the most sunshine, averaging 13.0 hours of sun a day.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 64° | 47° | 6 | 2.8 in | 8.4 h/day | 75% |
| February | 65° | 48° | 4 | 2.3 in | 9.2 h/day | 69% |
| March | 66° | 51° | 6 | 2.1 in | 10.4 h/day | 73% |
| April | 70° | 54° | 2 | 0.5 in | 11.4 h/day | 70% |
| May | 69° | 57° | 2 | 0.3 in | 11.8 h/day | 74% |
| June | 75° | 60° | 0 | 0.1 in | 12.4 h/day | 74% |
| July | 79° | 64° | 0 | 0.1 in | 13.0 h/day | 75% |
| August | 80° | 65° | 1 | 0.3 in | 12.1 h/day | 76% |
| September | 80° | 64° | 1 | 0.5 in | 11.2 h/day | 75% |
| October | 77° | 59° | 2 | 0.3 in | 10.0 h/day | 72% |
| November | 71° | 52° | 2 | 0.7 in | 9.3 h/day | 65% |
| December | 65° | 47° | 5 | 2.3 in | 8.1 h/day | 70% |
Long Beach month by month
Long Beach weather in January
January brings highs around 64°F (18°C), lows near 47°F (8°C), about 6 wet days - typically the coldest month and the wettest month of the year in Long Beach.
Long Beach weather in February
February brings highs around 65°F (18°C), lows near 48°F (9°C), about 4 wet days.
Long Beach weather in March
March brings highs around 66°F (19°C), lows near 51°F (10°C), about 6 wet days.
Long Beach weather in April
April brings highs around 70°F (21°C), lows near 54°F (12°C), about 2 wet days.
Long Beach weather in May
May brings highs around 69°F (21°C), lows near 57°F (14°C), about 2 wet days.
Long Beach weather in June
June brings highs around 75°F (24°C), lows near 60°F (16°C), about 0 wet days.
Long Beach weather in July
July brings highs around 79°F (26°C), lows near 64°F (18°C), about 0 wet days - typically the driest month and the sunniest month of the year in Long Beach.
Long Beach weather in August
August brings highs around 80°F (27°C), lows near 65°F (18°C), about 1 wet days - typically the hottest month of the year in Long Beach.
Long Beach weather in September
September brings highs around 80°F (27°C), lows near 64°F (18°C), about 1 wet days.
Long Beach weather in October
October brings highs around 77°F (25°C), lows near 59°F (15°C), about 2 wet days.
Long Beach weather in November
November brings highs around 71°F (22°C), lows near 52°F (11°C), about 2 wet days.
Long Beach weather in December
December brings highs around 65°F (18°C), lows near 47°F (8°C), about 5 wet days.
Seasons in Long Beach
Spring (March through May)
Spring in Long Beach brings comfortable warmth, with daytime highs averaging 68°F (20°C) and nights around 54°F (12°C); rain falls on about 10 days over the three months.
Summer (June through August)
Summer in Long Beach is pleasantly warm, with daytime highs averaging 78°F (26°C) and nights around 63°F (17°C); precipitation is infrequent.
Fall (September through November)
Fall in Long Beach brings comfortable warmth, with daytime highs averaging 76°F (24°C) and nights around 58°F (15°C); precipitation is infrequent.
Winter (December through February)
Winter in Long Beach is crisp but comfortable, with daytime highs averaging 65°F (18°C) and nights around 47°F (8°C); rain falls on about 15 days over the three months.
Climate questions, answered
What is the average temperature in Long Beach?
Is Long Beach hot in summer?
Is Long Beach cold in winter?
How many rainy days does Long Beach get in a year?
Best time to visit Long Beach
The best time to visit Long Beach is generally January to June, when temperatures are at their most comfortable before or after the peak heat. Daytime temperatures in that window typically sit near 68°F (20°C).
Pack for Long Beach with light layers that can adapt to mild swings through the day. Evenings can feel noticeably cooler than afternoons - August nights average 65°F (18°C).
Long Beach temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.