California Väder Prognos
California weather: 20°C, klart. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.
California weather in maj
One of the best months och visit California.
maj runs 3°C warmer than the annual average in California.
Compare med april.
Väder map for California
Animated model layers. Pick a layer och load it.
Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Klimat in California month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Månad | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januari | 14° | 5° | 91 mm | ★★★☆☆ |
| februari | 16° | 7° | 171 mm | ★★★☆☆ |
| mars | 20° | 9° | 62 mm | ★★★★☆ |
| april | 22° | 10° | 66 mm | ★★★★☆ |
| maj | 29° | 13° | 20 mm | ★★★★★ |
| juni | 34° | 16° | 1 mm | ★★★★★ |
| juli | 36° | 17° | 3 mm | ★★★★★ |
| augusti | 36° | 17° | 3 mm | ★★★★★ |
| september | 32° | 16° | 2 mm | ★★★★★ |
| oktober | 26° | 13° | 38 mm | ★★★★☆ |
| november | 18° | 8° | 108 mm | ★★★☆☆ |
| december | 14° | 6° | 125 mm | ★★★☆☆ |
Klimat type: Mediterranean. Källa: Open-Meteo archive (ERA5).
Bästa tiden att besöka California
Go in maj, juni, juli, augusti and september. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januari, februari and december - expect the least comfortable mix of heat, cold or rain.
What och pack, what och skip
- Lightweight, light-coloured clothing and a refillable water bottle
- sönglasses, 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 januari, februari and december - historically the least comfortable months here.
How California compares med nearby places
Annual averages, and the difference against California.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Nevada | 163 km | 12°C | 5°C cooler | 374 mm |
| Reno | 179 km | 12°C | 5°C cooler | 362 mm |
| Crater Lake National Park | 480 km | 6°C | 12°C cooler | 1548 mm |
| Crater Lake | 488 km | 6°C | 12°C cooler | 1465 mm |
Se prognosen för California per tidsintervall
California weather - more answers
Explore California
Every topic we hold for this place, and the same topic for the places around it.
Väder for related places
Frequently asked questions
Where is California?
California is a state in USA. Its coordinates are 38.5816, -121.4944. It lies in Nordamerika.
What is the weather like in California just nu?
It is currently 20°C (68°F) med klart. Luftfuktighet is 46% and wind is 4 km/h.
When is the best time och visit California?
maj, juni, juli, augusti and september offer the most comfortable conditions in California, which has a Mediterranean climate. januari, februari 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 12:18 AM.
How many people live in California?
California has a population of approximately 39 million.
What is the nearest airport och California?
The closest airports are San Francisco International Airport (SFO), 132 km away, Los Angeles International Airport (LAX), 585 km away and San Diego International Airport (SAN), 757 km away.
What are the top things och 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 28 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. |
|---|---|
| Prognos and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Väder 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 oktober 1, 2026 at 12:18 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
