California Weather Forecast
California weather: 63°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
California weather in May
Weather map for California
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Climate in California month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 57° | 41° | 3,6 in | ★★★☆☆ |
| February | 60° | 44° | 6,7 in | ★★★☆☆ |
| March | 67° | 48° | 2,4 in | ★★★★☆ |
| April | 72° | 49° | 2,6 in | ★★★★☆ |
| May | 84° | 56° | 0,8 in | ★★★★★ |
| June | 93° | 60° | 0,0 in | ★★★★★ |
| July | 97° | 62° | 0,1 in | ★★★★★ |
| August | 97° | 63° | 0,2 in | ★★★★★ |
| September | 90° | 61° | 0,1 in | ★★★★★ |
| October | 79° | 55° | 1,5 in | ★★★★☆ |
| November | 64° | 46° | 4,3 in | ★★★☆☆ |
| December | 56° | 42° | 4,9 in | ★★★☆☆ |
Climate type: Mediterranean. Source: Open-Meteo archive (ERA5).
Best time to visit California
Go in May, June, July, August and September. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- Avoid long hikes after mid-morning; start at dawn or leave it for a cooler day.
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
How California compares with nearby places
Annual averages, and the difference against California.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Nevada | 101 mi | 54°F | 42°F cooler | 15 in |
| Reno | 111 mi | 54°F | 41°F cooler | 15 in |
| Crater Lake National Park | 298 mi | 42°F | 53°F cooler | 61 in |
| Crater Lake | 303 mi | 42°F | 53°F cooler | 57 in |
See the California forecast by time range
California weather - more answers
Explore California
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is California?
California is a state in United States. Its coordinates are 38.5816, -121.4944. It lies in North America.
What is the weather like in California right now?
It is currently 63°F (17°C) with clear. Humidity is 66% and wind is 8 mph.
When is the best time to visit California?
May, June, July, August and September offer the most comfortable conditions in California, which has a Mediterranean climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is California in?
California observes America/Los_Angeles (UTC-07:00). The local time is 9:24 AM.
How many people live in California?
California has a population of approximately 39 million.
What is the nearest airport to California?
The closest airports are San Francisco International Airport (SFO), 82 mi away, Los Angeles International Airport (LAX), 364 mi away and San Diego International Airport (SAN), 471 mi away.
What are the top things to do in California?
Popular options include Channel Islands National Park, Death Valley National Park, Joshua Tree National Park, Kings Canyon National Park, Lassen Volcanic National Park and Pinnacles National Park.
What places are in California?
California covers 29 places in this atlas, including Los Angeles, San Diego, Channel Islands National Park, Death Valley National Park, Joshua Tree National Park and Kings Canyon National Park.
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| Place data | USPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 22, 2026 at 9:24 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
