Riverside County Väder Prognos
Riverside County weather: 21°C, klart. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.
Riverside County weather in december
A good month och visit Riverside County.
december runs 5°C cooler than the annual average in Riverside County.
Compare med november.
Väder map for Riverside County
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 Riverside County 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 | 19° | 7° | 45 mm | ★★★★☆ |
| februari | 20° | 9° | 115 mm | ★★★☆☆ |
| mars | 23° | 10° | 59 mm | ★★★★☆ |
| april | 24° | 11° | 20 mm | ★★★★★ |
| maj | 27° | 13° | 5 mm | ★★★★★ |
| juni | 32° | 16° | 0 mm | ★★★★★ |
| juli | 35° | 19° | 3 mm | ★★★★★ |
| augusti | 36° | 20° | 1 mm | ★★★★★ |
| september | 33° | 19° | 25 mm | ★★★★★ |
| oktober | 29° | 14° | 14 mm | ★★★★★ |
| november | 23° | 10° | 55 mm | ★★★★☆ |
| december | 21° | 8° | 39 mm | ★★★★☆ |
Klimat type: Mediterranean. Källa: Open-Meteo archive (ERA5).
Bästa tiden att besöka Riverside County
Go in april, maj, juni, juli, augusti, september and oktober. 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 Riverside County compares med nearby places
Annual averages, and the difference against Riverside County.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Orange County | 48 km | 18°C | 1°C cooler | 385 mm |
| Disneyland Resort | 51 km | 18°C | 1°C cooler | 483 mm |
| ZIP Code 90001 | 79 km | 18°C | 1°C cooler | 465 mm |
| Los Angeles County | 79 km | 18°C | 1°C cooler | 529 mm |
| Los Angeles | 79 km | 18°C | 1°C cooler | 529 mm |
Se prognosen för Riverside County per tidsintervall
Riverside County weather - more answers
Explore Riverside County
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 Riverside County?
Riverside County is a county in California. Its coordinates are 33.9533, -117.3961. It lies in Nordamerika.
What is the weather like in Riverside County just nu?
It is currently 21°C (69°F) med klart. Luftfuktighet is 56% and wind is 5 km/h.
When is the best time och visit Riverside County?
april, maj, juni, juli, augusti, september and oktober offer the most comfortable conditions in Riverside County, which has a Mediterranean climate. januari, februari and december are usually the hardest months for outdoor plans.
What time zone is Riverside County in?
Riverside County observes America/Los_Angeles (UTC-07:00). The local time is 12:17 AM.
How many people live in Riverside County?
Riverside County has a population of approximately 2.5 million.
What is the nearest airport och Riverside County?
The closest airports are Los Angeles International Airport (LAX), 93 km away, San Diego International Airport (SAN), 137 km away and Harry Reid International Airport (LAS), 313 km away.
What are the top things och do in Riverside County?
Popular options include Disneyland Resort, Hollywood Sign, Santa månica State Beach, Anza-Borrego Desert State Park, Joshua Tree National Park and Coronado Beach.
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| Place data | USPOTUS Atlas dataset (us-counties) - 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 12:17 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
