County in California

Riverside County Κλίμα and Average Καιρός

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

🌙 33°C now🕔 12:40 AM local📅 Best: Απρίλιος, Μάι, Ιούνιος, Ιούλιος, Αύγουστος, Σεπτέμβριος and Οκτώβριος👥 2.5 million

Κλίμα 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
ΜήναςAvg highAvg lowΒροχήfallRating
Ιανουάριος19°45 mm★★★★
Φεβρουάριος20°115 mm★★★☆☆
Μάρτιος23°10°59 mm★★★★
Απρίλιος24°11°20 mm★★★★★
Μάι27°13°5 mm★★★★★
Ιούνιος32°16°0 mm★★★★★
Ιούλιος35°19°3 mm★★★★★
Αύγουστος36°19°12 mm★★★★★
Σεπτέμβριος32°18°24 mm★★★★★
Οκτώβριος29°14°14 mm★★★★★
Νοέμβριος23°10°55 mm★★★★
Δεκέμβριος21°39 mm★★★★

Κλίμα type: Mediterranean. Πηγή: Open-Meteo archive (ERA5).

Recent extremes in Riverside County

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

Hottest day46°CΣεπ 6, 2024
Coldest night1°CΙαν 9, 2024
Wettest day67 mmΦεβ 5, 2024

How Riverside County compares με nearby places

Annual averages, and the difference against Riverside County.

PlaceDistanceAvg tempvs hereAnnual rain
Orange County48 km18°C1°C cooler413 mm
Disneyland Resort51 km18°C1°C cooler498 mm
ZIP Code 9000179 km18°C1°C cooler488 mm
Los Angeles County79 km18°C1°C cooler553 mm
Los Angeles79 km18°C1°C cooler553 mm

Καλύτερη εποχή για επίσκεψη Riverside County

Go in Απρίλιος, Μάι, Ιούνιος, Ιούλιος, Αύγουστος, Σεπτέμβριος and Οκτώβριος. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: Ιανουάριος, Φεβρουάριος and Δεκέμβριος - expect the least comfortable mix of heat, cold or rain.

Ιανουάριος★★★★
Φεβρουάριος★★★☆☆
Μάρτιος★★★★
Απρίλιος★★★★★
Μάι★★★★★
Ιούνιος★★★★★
Ιούλιος★★★★★
Αύγουστος★★★★★
Σεπτέμβριος★★★★★
Οκτώβριος★★★★★
Νοέμβριος★★★★
Δεκέμβριος★★★★

What this means for Riverside County

Compared με normal

Today is slightly warmer than average for Αύγουστος. The forecast high of 40°C is 3.9°C above the 36°C typical for this month.

Βροχή chance explained

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

Ταξίδια 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 Ιούνιος έως Αύγουστος.

Worth knowing

The gap between the warmest and coldest month averages 14°C.

What έως pack, what έως skip

Pack for the next 7 days
  • Lightweight, light-coloured clothing and a refillable water bottle
  • Κυρglasses, 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 Ιανουάριος, Φεβρουάριος and Δεκέμβριος - historically the least comfortable months here.

Περίληψη

Riverside County is a county in California. Riverside County is a county in the United States. Ο πληθυσμός είναι περίπου 2.5 million.

Αυτή τη στιγμή είναι 33°C (91°F) in Riverside County με Αίθριος. Η αισθητή θερμοκρασία είναι 32°C. Σήμερα η θερμοκρασία κυμαίνεται από 22°C έως 40°C. Η πιθανότητα βροχής είναι 0%. Sightseeing conditions score 8.5/10 - Εξαιρετικές συνθήκες — φύγετε τώρα.

Η καλύτερη εποχή για επίσκεψη στο Riverside County is Απρίλιος, Μάι, Ιούνιος, Ιούλιος, Αύγουστος, Σεπτέμβριος and Οκτώβριος. Το κλίμα είναι Mediterranean. Ιανουάριος, Φεβρουάριος and Δεκέμβριος tend έως be the least comfortable months. Αύγουστος is the warmest month με average highs near 36°C, while Ιανουάριος is the coldest με 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 Δευica State Beach and Anza-Borrego Desert State Park.

Με απλά λόγια. Today is slightly warmer than average for Αύγουστος. The forecast high of 40°C is 3.9°C above the 36°C typical for this month. The best window έως be outside is roughly 7 AM έως 10 AM, when temperature, rain chance and wind line up best. swimming 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

ΤύποςCounty
StateCalifornia
ΧώραΗνωμένες Πολιτείες
ΉπειροςΒόρεια Αμερική
Συντεταγμένες33°57′11.9″N 117°23′46″W (33.9533, -117.3961)
Πληθυσμός2.450.000
Τοπική ώρα12:40 AM (UTC-07:00)
Best monthsΑπρίλιος, Μάι, Ιούνιος, Ιούλιος, Αύγουστος, Σεπτέμβριος and Οκτώβριος
ΚλίμαMediterranean

Καιρός map for Riverside County

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Animated layers by Άνεμοςy. 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.

Κλίμα 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 Βόρεια Αμερική.

What is the weather like in Riverside County τώρα?

It is currently 33°C (91°F) με Αίθριος. Υγρασία is 29% and wind is 10 km/h.

When is the best time έως visit Riverside County?

Απρίλιος, Μάι, Ιούνιος, Ιούλιος, Αύγουστος, Σεπτέμβριος and Οκτώβριος offer the most comfortable conditions in Riverside County, which has a Mediterranean climate. Ιανουάριος, Φεβρουάριος and Δεκέμβριος 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 12:40 AM.

How many people live in Riverside County?

Riverside County has a population of approximately 2.5 million.

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

Popular options include Disneyland Resort, Hollywood Sign, Santa Δευica 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.
Πρόγνωση and observationsOpen-Meteo (ECMWF and national models).
Ποιότητα αέρα and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Κλίμα averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Καιρός 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 Αύγουστος 23, 2026 at 12:40 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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