California, United States Weather
- California, United States Weather
- Current conditions
- Weather forecast
- Averages and extremes
- Yesterday's Data
- 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 Weather Summary
- Weather averages by month
- California's weather
- Frequently asked questions
- Comments
Current conditions
Condition: Clear Sky
Pressure: 994 hPa
Feel like: 28 °C
Temperature: 30°C
Cloud: 0%
Humidity: 28%
Wind: NW - 10 km/h
Visibility: 64.5 km
30 Day Averages and Extremes
- Average high 32.27°C
- Average low 15.9°C
- Hottest day 40°C (01 October 2026)
- Coldest day 11°C (18 September 2026)
- Average humidity 37.03%
- Days with precipitation 6 days
- Highest precipitation 4 mm (29 September 2026)
Yesterday's Data
- Max: 30°C
- Min: 15°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
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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 33ºC (91.4ºF), consider wearing:
- UV-blocking sunglasses
- Airy sandals or flip-flops
- High SPF sunscreen for outdoor activities
- Light, natural fabrics (like cotton or linen)
Temperature
Air quality
Unhealthy for Sensitive Groups air quality, health effects possible for sensitive people, general public usually unaffected
- CO2 445
- CO 267
- NH3 0
- NO2 2
- O3 155
- PM10 51
- PM25 47
- SO2 2
- CH4 1,396