Anaheim, CA Climate & Monthly Averages
The climate of Anaheim
Anaheim runs on a dry-summer rhythm: the warmest months are also the driest. July averages 2 mm (0.1 in) while the wet season peaks in January at 3.4 inches (86 mm). Highs range from 66°F (19°C) to 87°F (30°C).
Climate quick facts
- Hottest month: August - highs near 87°F (30°C)
- Coldest month: January - highs near 66°F (19°C)
- Decade extremes (2015-2024): 113°F (45°C) high · 32°F (0°C) low
- Wettest month: January (6 rainy days) · Sunniest: July (13.3 h sun/day)
- Climate type: semi-arid
- Annual swing: 10°C between the average warmest and coolest month · day to night: 11°C
- Months averaging 30°C or hotter: 1
- Average humidity: 65%
Temperatures through the year
Precipitation concentrates in January - 3.4 inches (86 mm) on 6 days - and thins out by July. January sits at the other end of the year: 66°F (19°C) by day, 48°F (9°C) at night. At its warmest, in August, Anaheim runs to 87°F (30°C) in the afternoon and back to 65°F (18°C) by dawn. Relative humidity averages 65% across the year, drier than about 79% of the cities we track.
Rain, sun and snow
7 months average under 20 mm of rain, the longest unbroken stretch running April through October. The gridded 2015-2024 daily record for this location tops out at 113°F (45°C) and bottoms at 32°F (0°C) - decade extremes, not all-time station records.
How Anaheim compares
- Rain or snow reaches the ground on 35 days a year - fewer wet days than all but 5% of the 3496 cities we track.
- 60% of the year's precipitation falls in its wettest three months - more seasonal than 92% of the 3496 cities we track.
- Annual precipitation is 14.7 inches (374 mm) - drier than all but 10% of the 3496 cities we track.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 66° | 48° | 6 | 3.4 in | 8.4 h/day | 67% |
| February | 68° | 48° | 5 | 2.6 in | 9.1 h/day | 62% |
| March | 69° | 50° | 8 | 2.8 in | 10.2 h/day | 69% |
| April | 74° | 53° | 3 | 0.7 in | 11.2 h/day | 65% |
| May | 73° | 56° | 2 | 0.4 in | 11.8 h/day | 69% |
| June | 80° | 60° | 0 | 0.1 in | 12.9 h/day | 69% |
| July | 85° | 64° | 0 | 0.1 in | 13.3 h/day | 68% |
| August | 87° | 65° | 0 | 0.3 in | 12.3 h/day | 68% |
| September | 85° | 64° | 1 | 0.4 in | 11.3 h/day | 67% |
| October | 81° | 60° | 2 | 0.3 in | 10.2 h/day | 61% |
| November | 74° | 53° | 3 | 0.8 in | 9.4 h/day | 55% |
| December | 67° | 48° | 5 | 2.8 in | 8.2 h/day | 62% |
Anaheim month by month
Anaheim weather in January
January brings highs around 66°F (19°C), lows near 48°F (9°C), about 6 wet days - typically the coldest month and the wettest month of the year in Anaheim.
Anaheim weather in February
February brings highs around 68°F (20°C), lows near 48°F (9°C), about 5 wet days.
Anaheim weather in March
March brings highs around 69°F (20°C), lows near 50°F (10°C), about 8 wet days.
Anaheim weather in April
April brings highs around 74°F (23°C), lows near 53°F (12°C), about 3 wet days.
Anaheim weather in May
May brings highs around 73°F (23°C), lows near 56°F (13°C), about 2 wet days.
Anaheim weather in June
June brings highs around 80°F (27°C), lows near 60°F (16°C), about 0 wet days.
Anaheim weather in July
July brings highs around 85°F (29°C), lows near 64°F (18°C), about 0 wet days - typically the driest month and the sunniest month of the year in Anaheim.
Anaheim weather in August
August brings highs around 87°F (30°C), lows near 65°F (18°C), about 0 wet days - typically the hottest month of the year in Anaheim.
Anaheim weather in September
September brings highs around 85°F (30°C), lows near 64°F (18°C), about 1 wet days.
Anaheim weather in October
October brings highs around 81°F (27°C), lows near 60°F (16°C), about 2 wet days.
Anaheim weather in November
November brings highs around 74°F (23°C), lows near 53°F (12°C), about 3 wet days.
Anaheim weather in December
December brings highs around 67°F (19°C), lows near 48°F (9°C), about 5 wet days.
Seasons in Anaheim
Spring (March through May)
Spring in Anaheim is mild and warm, with daytime highs averaging 72°F (22°C) and nights around 53°F (12°C); rain comes on about 12 days over the three months. Daylight is generous - around 11.1 hours of sun a day.
Summer (June through August)
Summer in Anaheim runs hot, with daytime highs averaging 84°F (29°C) and nights around 63°F (17°C); precipitation is sparse, near 12 mm (0.5 in) for the season. Daylight is generous - around 12.8 hours of sun a day.
Fall (September through November)
Fall is pleasantly warm here - highs near 80°F (27°C), nights near 59°F (15°C), and precipitation is sparse, near 1.6 inches (41 mm) for the season. Daylight is generous - around 10.3 hours of sun a day.
Winter (December through February)
Through winter, Anaheim is crisp but comfortable: 67°F (19°C) by day, 48°F (9°C) after dark, and rain comes on about 16 days over the three months.
Climate questions, answered
Is Anaheim cold in winter?
What should I wear in Anaheim?
How often does it rain in Anaheim?
How hot does Anaheim get in summer?
How much sun does Anaheim get?
Best time to visit Anaheim
January to June is the sweet spot for Anaheim - temperatures sit either side of the peak heat rather than in it. Expect 72°F (22°C) in the afternoon and around 4 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in January.
Pack for Anaheim with light clothing for the warm months. Note the gap between afternoon and night: August pairs 87°F (30°C) with 65°F (18°C).
Anaheim temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.