County in California

Riverside County 気候 and Average 天気

気候 of Riverside County: average temperatures, rainfall and seasons month by month.

🌙 20°C now🕔 11:22 PM local📅 Best: 4月, 5月, 6月, 7月, 8月, 9月 and 10月👥 2.5 million

気候 in Riverside County month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

Line: average high · Bars: rainfall
月Avg highAvg low雨fallRating
1月19°7°45 mm★★★★☆
2月20°9°115 mm★★★☆☆
3月23°10°59 mm★★★★☆
4月24°11°20 mm★★★★★
5月27°13°5 mm★★★★★
6月32°16°0 mm★★★★★
7月35°19°3 mm★★★★★
8月36°20°1 mm★★★★★
9月33°19°25 mm★★★★★
10月29°14°14 mm★★★★★
11月23°10°55 mm★★★★☆
12月21°8°39 mm★★★★☆

気候 type: Mediterranean. 出典: Open-Meteo archive (ERA5).

Recent extremes in Riverside County

高いest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.

Hottest day46°C9月 6, 2024
Coldest night1°C1月 9, 2024
Wettest day67 mm2月 5, 2024

How Riverside County compares、nearby places

Annual averages, and the difference against Riverside County.

PlaceDistanceAvg tempvs hereAnnual rain
Orange County48 km18°C1°C cooler385 mm
Disneyland Resort51 km18°C1°C cooler483 mm
ZIP Code 9000179 km18°C1°C cooler465 mm
Los Angeles County79 km18°C1°C cooler529 mm
Los Angeles79 km18°C1°C cooler529 mm

訪問に最適な時期 Riverside County

Go in 4月, 5月, 6月, 7月, 8月, 9月 and 10月. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: 1月, 2月 and 12月 - expect the least comfortable mix of heat, cold or rain.

1月★★★★☆
2月★★★☆☆
3月★★★★☆
4月★★★★★
5月★★★★★
6月★★★★★
7月★★★★★
8月★★★★★
9月★★★★★
10月★★★★★
11月★★★★☆
12月★★★★☆

What this means for Riverside County

Compared、normal

Today is slightly cooler than average for 10月. The forecast high of 27°C is 2°C below the 29°C typical for this month.

雨 chance explained

雨 is very unlikely today - plans do not need a backup.

旅行 and driving

No weather-related travel disruption is expected today. Roads and airports should run normally.

Worth knowing

Northern Hemisphere, so peak summer falls in 6月から8月.

Worth knowing

The gap between the warmest and coldest month averages 15°C.

Whatからpack, whatからskip

Pack for the next 7 days
  • 日glasses, a brimmed hat and SPF 30+
Worth avoiding
  • If your dates are flexible, avoid 1月, 2月 and 12月 - historically the least comfortable months here.

概要

Riverside County is a county in California. Riverside County is a county in the United States. 人口は約2.5 million.

現在の気温は20°C (68°F) in Riverside County、晴れ. 体感温度は20°C. 今日の気温は13°Cから27°C. 降水確率は0%. Sightseeing conditions score 9.8/10 - 絶好 — 今すぐ出かけられます.

訪問に最適な時期はRiverside County is 4月, 5月, 6月, 7月, 8月, 9月 and 10月. 気候はMediterranean. 1月, 2月 and 12月 tendからbe the least comfortable months. 8月 is the warmest month、average highs near 36°C, while 1月 is the coldest、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 月ica State Beach and Anza-Borrego Desert State Park.

簡単に言うと。 Today is slightly cooler than average for 10月. The forecast high of 27°C is 2°C below the 29°C typical for this month. The best windowからbe outside is roughly 9 AMから12 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Riverside County today at 9.9/10. 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

種類County
StateCalifornia
国アメリカ合衆国
大陸北アメリカ
座標33°57′11.9″N 117°23′46″W (33.9533, -117.3961)
人口2.450.000
現地時刻11:22 PM (UTC-07:00)
Best months4月, 5月, 6月, 7月, 8月, 9月 and 10月
気候Mediterranean

天気 map for Riverside County

Animated model layers. Pick a layerからload it.

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Animated layers by 風y. 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.

気候 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 北アメリカ.

What is the weather like in Riverside County現在?

It is currently 20°C (68°F)、晴れ. 湿度 is 63% and wind is 6 km/h.

When is the best timeからvisit Riverside County?

4月, 5月, 6月, 7月, 8月, 9月 and 10月 offer the most comfortable conditions in Riverside County, which has a Mediterranean climate. 1月, 2月 and 12月 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 11:22 PM.

How many people live in Riverside County?

Riverside County has a population of approximately 2.5 million.

What is the nearest airportから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からdo in Riverside County?

Popular options include Disneyland Resort, Hollywood Sign, Santa 月ica State Beach, Anza-Borrego Desert State Park, Joshua Tree National Park and Coronado Beach.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts.
予報 and observationsOpen-Meteo (ECMWF and national models).
大気質 and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
気候 averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National 天気 Service.
MethodScores, 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 10月 25, 2026 at 11:22 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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