Anaheim, CA Climate & Monthly Averages
Anaheim has a semi-arid climate. August is the hottest month, averaging 87° by day; January is the coldest at 66°.
Sunshine is a defining feature of Anaheim's climate
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).
How sun, temperature and rain fit together
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.
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.
More climate facts for Anaheim
- 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%
The most comfortable sunny-weather window
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.
What to pack
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).
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 66° | 48° | 6 | 3.4 in | 8.4 h/day | 10.1 h | 18% | 67% |
| February | 68° | 48° | 5 | 2.6 in | 9.1 h/day | 10.9 h | 18% | 62% |
| March | 69° | 50° | 8 | 2.8 in | 10.2 h/day | 11.9 h | 25% | 69% |
| April | 74° | 53° | 3 | 0.7 in | 11.2 h/day | 13.0 h | 9% | 65% |
| May | 73° | 56° | 2 | 0.4 in | 11.8 h/day | 13.9 h | 6% | 69% |
| June | 80° | 60° | 0 | 0.1 in | 12.9 h/day | 14.4 h | 1% | 69% |
| July | 85° | 64° | 0 | 0.1 in | 13.3 h/day | 14.2 h | 2% | 68% |
| August | 87° | 65° | 0 | 0.3 in | 12.3 h/day | 13.4 h | 1% | 68% |
| September | 85° | 64° | 1 | 0.4 in | 11.3 h/day | 12.3 h | 5% | 67% |
| October | 81° | 60° | 2 | 0.3 in | 10.2 h/day | 11.3 h | 6% | 61% |
| November | 74° | 53° | 3 | 0.8 in | 9.4 h/day | 10.4 h | 9% | 55% |
| December | 67° | 48° | 5 | 2.8 in | 8.2 h/day | 9.9 h | 16% | 62% |
Anaheim month by month
Each card shows the average high and low. The bar places that month between Anaheim's coldest night and warmest afternoon.
January
- Rain
- 6 days
- Sunshine
- 8.4 h
- Daylight
- 10.1 h
February
- Rain
- 5 days
- Sunshine
- 9.1 h
- Daylight
- 10.9 h
March
- Rain
- 8 days
- Sunshine
- 10.2 h
- Daylight
- 11.9 h
April
- Rain
- 3 days
- Sunshine
- 11.2 h
- Daylight
- 13.0 h
May
- Rain
- 2 days
- Sunshine
- 11.8 h
- Daylight
- 13.9 h
June
- Rain
- 0 days
- Sunshine
- 12.9 h
- Daylight
- 14.4 h
July
- Rain
- 0 days
- Sunshine
- 13.3 h
- Daylight
- 14.2 h
August
- Rain
- 0 days
- Sunshine
- 12.3 h
- Daylight
- 13.4 h
September
- Rain
- 1 day
- Sunshine
- 11.3 h
- Daylight
- 12.3 h
October
- Rain
- 2 days
- Sunshine
- 10.2 h
- Daylight
- 11.3 h
November
- Rain
- 3 days
- Sunshine
- 9.4 h
- Daylight
- 10.4 h
December
- Rain
- 5 days
- Sunshine
- 8.2 h
- Daylight
- 9.9 h
Looking for warmer alternatives? Browse warm places by month, or compare Anaheim's coolest part of the year: January, December, February.
Seasonal weather under Anaheim's sunnier skies
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.
How unusual is Anaheim?
- 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.
These comparisons use the same ten-year window for every city in the dataset.
Anaheim temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.