Riverside County Klimat and Average Väder
Klimat of Riverside County: average temperatures, rainfall and seasons month by month.
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).
Recent extremes in Riverside County
Högest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
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 |
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 this means for Riverside County
Today is about average for september. The forecast high of 33°C is in line med the 33°C typical for this month.
Regn is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in juni och augusti.
The gap between the warmest and coldest month averages 15°C.
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.
Sammanfattning
Riverside County is a county in California. Riverside County is a county in the United States. Befolkningen är cirka 2.5 million.
Just nu är det 33°C (92°F) in Riverside County med klart. Det känns som 32°C. I dag varierar temperaturen mellan 16°C och 33°C. Risken för nederbörd är 0%. Sightseeing conditions score 8.2/10 - bra förhållanden.
Bästa tiden att besöka Riverside County is april, maj, juni, juli, augusti, september and oktober. Klimatet är Mediterranean. januari, februari and december tend och be the least comfortable months. augusti is the warmest month med average highs near 36°C, while januari is the coldest med lows near 7°C.
The closest major airport is Los Angeles International Airport (LAX), about 93 km away. Nearby highlights include Disneyland Resort, Hollywood Sign, Santa månica State Beach and Anza-Borrego Desert State Park.
Enkelt förklarat. Today is about average for september. The forecast high of 33°C is in line med the 33°C typical for this month. The best window och be outside is roughly 8 AM och 11 AM, when temperature, rain chance and wind line up best. beach day is the strongest bet in Riverside County today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Riverside County
| Typ | County |
|---|---|
| State | California |
| Land | USA |
| Kontinent | Nordamerika |
| Koordinater | 33°57′11.9″N 117°23′46″W (33.9533, -117.3961) |
| Befolkning | 2.450.000 |
| Lokal tid | 6:57 PM (UTC-07:00) |
| Best months | april, maj, juni, juli, augusti, september and oktober |
| Klimat | Mediterranean |
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.
Explore Riverside County
Every topic we hold for this place, and the same topic for the places around it.
Klimat 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 33°C (92°F) med klart. Luftfuktighet is 25% and wind is 16 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 6:57 PM.
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 september 30, 2026 at 6:57 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
