County in California

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.

🌙 21°C now🕔 12:17 AM local📅 Best: april, maj, juni, juli, augusti, september and oktober👥 2.5 million

Riverside County weather in april

24°
average high · low 11°C
★★★★★
ranked #5 of 12 months

One of the best months och visit Riverside County.

Average high24°C
Average low11°C
Mean17°C
Regnfall20 mm

april runs 2°C cooler than the annual average in Riverside County.

Väder map for Riverside County

Animated model layers. Pick a layer och load it.

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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.

janfebmaraprmajjunjulaugsepoktnovdecLine: average high · Bars: rainfall
MånadAvg highAvg lowRegnfallRating
januari19°7°45 mm★★★★☆
februari20°9°115 mm★★★☆☆
mars23°10°59 mm★★★★☆
april24°11°20 mm★★★★★
maj27°13°5 mm★★★★★
juni32°16°0 mm★★★★★
juli35°19°3 mm★★★★★
augusti36°20°1 mm★★★★★
september33°19°25 mm★★★★★
oktober29°14°14 mm★★★★★
november23°10°55 mm★★★★☆
december21°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.

januari★★★★☆
februari★★★☆☆
mars★★★★☆
april★★★★★
maj★★★★★
juni★★★★★
juli★★★★★
augusti★★★★★
september★★★★★
oktober★★★★★
november★★★★☆
december★★★★☆

What och pack, what och skip

Pack for the next 7 days
  • Lightweight, light-coloured clothing and a refillable water bottle
  • sönglasses, a brimmed hat and SPF 30+
Worth avoiding
  • 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.

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

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.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts.
Prognos and observationsOpen-Meteo (ECMWF and national models).
Luftkvalitet and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klimat averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Väder 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 oktober 1, 2026 at 12:17 AM 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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