County in California

Riverside County Ilmasto and Average Sää

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

🌙 20°C now🕔 3:01 AM local📅 Best: huhtikuu, tou, kesäkuu, heinäkuu, elokuu, syyskuu and lokakuu👥 2.5 million

Ilmasto in Riverside County month by month

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

tamhelmaahuhtoukesheielosyylokmarjouLine: average high · Bars: rainfall
KuukausiAvg highAvg lowSadefallRating
tammikuu19°7°45 mm★★★★☆
helmikuu20°9°115 mm★★★☆☆
maaliskuu23°10°59 mm★★★★☆
huhtikuu24°11°20 mm★★★★★
tou27°13°5 mm★★★★★
kesäkuu32°16°0 mm★★★★★
heinäkuu35°19°3 mm★★★★★
elokuu36°20°1 mm★★★★★
syyskuu33°19°25 mm★★★★★
lokakuu29°14°14 mm★★★★★
marraskuu23°10°55 mm★★★★☆
joulukuu21°8°39 mm★★★★☆

Ilmasto type: Mediterranean. Lähde: Open-Meteo archive (ERA5).

Recent extremes in Riverside County

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

Hottest day46°Csyy 6, 2024
Coldest night1°Ctam 9, 2024
Wettest day67 mmhel 5, 2024

How Riverside County compares ja 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

Paras aika vierailla Riverside County

Go in huhtikuu, tou, kesäkuu, heinäkuu, elokuu, syyskuu and lokakuu. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: tammikuu, helmikuu and joulukuu - expect the least comfortable mix of heat, cold or rain.

tammikuu★★★★☆
helmikuu★★★☆☆
maaliskuu★★★★☆
huhtikuu★★★★★
tou★★★★★
kesäkuu★★★★★
heinäkuu★★★★★
elokuu★★★★★
syyskuu★★★★★
lokakuu★★★★★
marraskuu★★★★☆
joulukuu★★★★☆

What this means for Riverside County

Compared ja normal

Today is slightly cooler than average for lokakuu. The forecast high of 26°C is 3.1°C below the 29°C typical for this month.

Sade chance explained

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

Matkailu 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 kesäkuu ja elokuu.

Worth knowing

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

What ja pack, what ja skip

Pack for the next 7 days
  • suglasses, a brimmed hat and SPF 30+
Worth avoiding
  • If your dates are flexible, avoid tammikuu, helmikuu and joulukuu - historically the least comfortable months here.

Yhteenveto

Riverside County is a county in California. Riverside County is a county in the United States. Väkiluku on noin 2.5 million.

Tällä hetkellä lämpötila on 20°C (68°F) in Riverside County ja selkeä. Tuntuu kuin 19°C. Tänään lämpötila vaihtelee 12°C ja 26°C. laeen todennäköisyys on 1%. Sightseeing conditions score 9.7/10 - erinomainen — lähde nyt.

Paras aika matkustaa kohteeseen Riverside County is huhtikuu, tou, kesäkuu, heinäkuu, elokuu, syyskuu and lokakuu. Ilmasto on Mediterranean. tammikuu, helmikuu and joulukuu tend ja be the least comfortable months. elokuu is the warmest month ja average highs near 36°C, while tammikuu is the coldest ja 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 maica State Beach and Anza-Borrego Desert State Park.

Yksinkertaisesti sanottuna. Today is slightly cooler than average for lokakuu. The forecast high of 26°C is 3.1°C below the 29°C typical for this month. The best window ja be outside is roughly 10 AM ja 1 PM, when temperature, rain chance and wind line up best. stargazing 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

TyyppiCounty
StateCalifornia
MaaYhdysvallat
MaanosaPohjois-Amerikka
Koordinaatit33°57′11.9″N 117°23′46″W (33.9533, -117.3961)
Väkiluku2.450.000
Paikallinen aika3:01 AM (UTC-07:00)
Best monthshuhtikuu, tou, kesäkuu, heinäkuu, elokuu, syyskuu and lokakuu
IlmastoMediterranean

Sää map for Riverside County

Animated model layers. Pick a layer ja load it.

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Animated layers by Tuuliy. 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.

Ilmasto 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 Pohjois-Amerikka.

What is the weather like in Riverside County nyt?

It is currently 20°C (68°F) ja selkeä. Kosteus is 52% and wind is 7 km/h.

When is the best time ja visit Riverside County?

huhtikuu, tou, kesäkuu, heinäkuu, elokuu, syyskuu and lokakuu offer the most comfortable conditions in Riverside County, which has a Mediterranean climate. tammikuu, helmikuu and joulukuu 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 3:01 AM.

How many people live in Riverside County?

Riverside County has a population of approximately 2.5 million.

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

Popular options include Disneyland Resort, Hollywood Sign, Santa maica 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.
Ennuste and observationsOpen-Meteo (ECMWF and national models).
Ilmanlaatu and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Ilmasto averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Sää 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 lokakuu 25, 2026 at 3:01 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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