Anaheim, CA Climate & Monthly Averages

California, United States 🇺🇸 · semi-arid climate
Annual avg
64°
Hottest month
August
Coldest month
January
Rainy days / yr
35
Sunshine
10.7 h/day
Right now: 91° and sunny - see live conditions

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

Monthly averages for Anaheim based on 2015–2024 weather data. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
MonthHighLow Rain daysPrecipitation SunshineDaylightWet-day chanceHumidity
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

Average high and low for each month, with the bar showing where it sits in Anaheim's year (left is the coldest night, right is the warmest afternoon).

January

ColdestWettest
66°48°
Rain
6 days
Sunshine
8.4 h
Daylight
10.1 h

February

68°48°
Rain
5 days
Sunshine
9.1 h
Daylight
10.9 h

March

69°50°
Rain
8 days
Sunshine
10.2 h
Daylight
11.9 h

April

74°53°
Rain
3 days
Sunshine
11.2 h
Daylight
13.0 h

May

73°56°
Rain
2 days
Sunshine
11.8 h
Daylight
13.9 h

June

80°60°
Rain
0 days
Sunshine
12.9 h
Daylight
14.4 h

July

DriestSunniest
85°64°
Rain
0 days
Sunshine
13.3 h
Daylight
14.2 h

August

Hottest
87°65°
Rain
0 days
Sunshine
12.3 h
Daylight
13.4 h

September

85°64°
Rain
1 day
Sunshine
11.3 h
Daylight
12.3 h

October

81°60°
Rain
2 days
Sunshine
10.2 h
Daylight
11.3 h

November

74°53°
Rain
3 days
Sunshine
9.4 h
Daylight
10.4 h

December

67°48°
Rain
5 days
Sunshine
8.2 h
Daylight
9.9 h

Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December

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?
January nights average 48°F (9°C). Cold never really arrives.
What should I wear in Anaheim?
It depends on the month: August runs to 87°F (30°C) while January holds at 66°F (19°C). The full month-by-month breakdown is in the packing notes above.
How often does it rain in Anaheim?
About 35 days bring measurable precipitation, totalling 14.7 inches (374 mm). That works out at roughly 10.7 mm on an average wet day.
How hot does Anaheim get in summer?
August averages 87°F (30°C). Hot afternoons happen but extremes are not the norm.
How much sun does Anaheim get?
10.7 hours a day averaged over the year, peaking in July at 13.3 hours.

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)

Highest recorded
113°
in July
Lowest recorded
32°
in December
Annual precipitation
14.7"
Snowy days / yr
0

Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.