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Reviews of California activities

California Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

California year round climate

  • Spring (March–May): Average 12.9–21.0°C, warm and dry climate, sunny, suitable for outdoor activities. Common activities: Hiking, cycling, sightseeing. Recommended clothing: Comfortable trousers or skirts, short-sleeved or long-sleeved shirts, light jacket.
  • Summer (June–August): Average 25.4–28.7°C, hot and dry, strong sunlight, pay attention to sun protection. Common activities: Swimming, surfing, sunbathing. Recommended clothing: Light and breathable clothing, hat, sunglasses, sunscreen.
  • Autumn (September–November): Average 19.4–10.8°C, mild and comfortable climate, warm days, cool nights. Common activities: Outdoor walks, winery visits. Recommended clothing: Long-sleeved shirts, light jacket, comfortable shoes.
  • Winter (December–February): Average 8.9–9.8°C, mild and dry, little rain. Common activities: Sightseeing, indoor activities. Recommended clothing: Warm jacket, sweater, trousers.

California climatological average

Annual average temperature: approx. 17.9°C / Annual rainfall: approx. 8 mm / Summer humidity: 10%–20% / Rainiest month: August

California monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
8.9°C
0
February
9.8°C
0
March
12.9°C
0
April
16.5°C
0
May
21°C
0
June
25.4°C
0
July
28.7°C
1.8
August
27.6°C
6.2
September
24.5°C
0
October
19.4°C
0.1
November
10.8°C
0
December
8.9°C
0

California weather for the next seven days

4/9
Thursday
Overcast
14.3°C/5.7°C
4/10
Friday
Moderate rain
9.6°C/5.2°C
4/11
Saturday
Heavy rain
6°C/3°C
4/12
Sunday
Moderate or heavy snow in area with thunder
2.5°C/-4.9°C
4/13
Monday
Moderate or heavy snow showers
3.5°C/-7.6°C
4/14
Tuesday
Patchy rain nearby
7.8°C/-4.7°C
4/15
Wednesday
Patchy rain nearby
11.6°C/-1.3°C