California, United States Weather

  1. California, United States Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in California over the next 12 hours
  7. Temperature and possibility of rain in California in the coming days
  8. Rainfall in California in the coming days
  9. California Weather Summary
  10. Weather averages by month
  11. California's weather
  12. Frequently asked questions
  13. Comments
California, Weather
(Photo by Yu Kato on Unsplash)

Current conditions

Updated:
38°C
100.4°F
°C °F

Condition: Clear Sky

Pressure: 991 hPa

Feel like: 40 °C

Temperature: 38°C

Cloud: 0%

Humidity: 17%

Wind: WSW - 7 km/h

Visibility: 84.5 km

Weather forecast

Wed
05 Aug
21°C / 41°C
Clear Sky
Thu
06 Aug
21°C / 43°C
Clear Sky
Fri
07 Aug
21°C / 44°C
Mainly Clear
Sat
08 Aug
22°C / 45°C
Overcast
Sun
09 Aug
23°C / 46°C
Clear Sky
Hourly forecast today:
21:00 PM
9° / 38°
9° / 38°
Clear Sky
17% 8 km/h
22:00 PM
9° / 40°
9° / 40°
Clear Sky
16% 8 km/h
23:00 PM
8° / 40°
8° / 40°
Clear Sky
14% 10 km/h
00:00 AM
8° / 41°
8° / 41°
Clear Sky
14% 11 km/h
01:00 AM
6° / 40°
6° / 40°
Clear Sky
13% 14 km/h
02:00 AM
5° / 39°
5° / 39°
Clear Sky
13% 15 km/h
03:00 AM
5° / 34°
5° / 34°
Clear Sky
17% 15 km/h
04:00 AM
7° / 31°
7° / 31°
Clear Sky
22% 10 km/h
05:00 AM
6° / 30°
6° / 30°
Clear Sky
23% 7 km/h
06:00 AM
7° / 28°
7° / 28°
Clear Sky
26% 7 km/h
07:00 AM
8° / 26°
8° / 26°
Clear Sky
31% 10 km/h

30 Day Averages and Extremes

  • Average high 39.8°C
  • Average low 19.67°C
  • Hottest day 46°C (09 August 2026)
  • Coldest day 15°C (19 August 2026)
  • Average humidity 24.6%
  • Days with precipitation 2 days
  • Highest precipitation 5 mm (21 July 2026)

Yesterday's Data

  • Max: 40°C
  • Min: 23°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in California over the next 12 hours

Temperature and possibility of rain in California in the coming days

Rainfall in California in the coming days

California Climate Summary

California features a Mediterranean, hot summer (Köppen classification: Csa), with an average annual temperature of 19.97ºC (67.95ºF), which is about 7.33% higher than the national average for United States. Annually, the city experiences approximately 30.48 millimeters (1.2 inches) of rainfall, spread across 46.1 rainy days, accounting for 12.63% of the year.

Longitude 36.778261
Latitude -119.4179324
Yearly high temperature 24.61ºC (76.3ºF)
Yearly low temperature 11.65ºC (52.97ºF)
Hottest month September 33.37ºC (92.07ºF)
Coldest month January 5.55ºC (41.99ºF)
Yearly precip 30.48mm (1.2in)
Days with rainfall 46.1 days (12.63%)
Driest month June (33.75%)
Wettest month March (61.92%)

Weather averages by month

Month High / Low (°C) Rain
January 14.54° / 5.55° 6.64 days
February 15.76° / 5.86° 6.45 days
March 18.36° / 7.62° 8.82 days
April 21.89° / 9.74° 5.64 days
May 26.15° / 12.59° 3.0 days
June 33.12° / 16.69° 0.27 days
July 36.89° / 18.87° 1.09 days
August 36.48° / 18.51° 0.55 days
September 33.37° / 17.13° 1.0 days
October 26.31° / 13.25° 2.55 days
November 18.83° / 8.58° 3.91 days
December 13.6° / 5.42° 6.18 days

California's weather

Frequently asked questions

1. What is the hottest month in California?

September has the highest average monthly temperature (daily mean of 33.37ºC) and January are the coolest (daily mean of 5.55ºC).

2. What should I wear in California today?

For today's very hot weather in California, with the high temperatures above 41ºC (105.8ºF), consider wearing:
- Sleeveless tops or vests
- Airy sandals or flip-flops
- Light, natural fabrics (like cotton or linen)
- Ultra-thin, breathable socks

Temperature

Early
4°C / 35°C
Morning
6°C / 24°C
Afternoon
6°C / 27°C
Evening
9°C / 38°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 447
  • CO 108
  • NH3 0
  • NO2 1
  • O3 160
  • PM10 16
  • PM25 10
  • SO2 1
  • CH4 1,393

Sunrise / Sunset

13:06
03:01