Pico Rivera (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Pico Rivera.
Climate overview of Pico Rivera
The climate in Pico Rivera, California, United States of America, is marked by large temperature swings across the seasons, ranging from 31°C (88°F) in August to 20°C (68°F) in December.
The city has a relatively dry climate, receiving around 270 mm (11 in) of rainfall per year. It does experience a distinct dry season from March to November. December is the wettest month and June the driest. July is the sunniest month, averaging 12.1 hours of sunshine per day.
Pico Rivera Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Pico Rivera — and find the best time to visit.
Monthly Temperature in Pico Rivera
In Pico Rivera, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 31°C (88°F) in August to a pleasant 20°C (68°F) in December.
Nighttime temperatures range from 18°C (64°F) in August to 8°C (46°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Pico Rivera
Pico Rivera typically sees modest rainfall throughout the year, with an average annual precipitation of 270 mm (11 in). The seasons in Pico Rivera bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 76 mm (3 in) of precipitation. This rainfall is distributed across 7 rainy days.
In contrast, the driest month, June, experiences much less rainfall, totaling 0.2 mm (0.01 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Pico Rivera Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Pico Rivera
In Pico Rivera, summer days are longer and more sunny, with daily sunshine hours peaking at 12.1 hours in July. As the darker season arrives, the brightness of the sun becomes less. November sees a soft sun for only 7.2 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Pico Rivera by Month
The relative humidity is high throughout the year in Pico Rivera.
The city experiences its highest humidity in May, reaching 73%. In November, the humidity drops to its lowest level at 50%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Pico Rivera
Frequently asked questions about the climate in Pico Rivera
What is the best time to visit Pico Rivera?
January, February, March, April, May, June, October, November and December typically offer the most optimal weather in Pico Rivera. In contrast, July, August and September tend to have less optimal conditions. Pico Rivera has a distinct dry season from March to November.
What temperatures can I expect in Pico Rivera?
Daytime highs range from 20°C (68°F) in December to 31°C (88°F) in August. Nighttime lows range from 8°C (46°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Pico Rivera get?
Annual rainfall is around 270 mm (11 in). December is the wettest month with 76 mm (3 in), while June is the driest with 0.2 mm (0.01 in).
How sunny is Pico Rivera?
Pico Rivera receives around 3,257 hours of sunshine per year. July is the sunniest month with 364 hours, while November is the cloudiest with just 217 hours. Overall, Pico Rivera enjoys abundant sunshine.
Pico Rivera 3-Day Forecast
Pico Rivera (CA) 3-Day Forecast
Pico Rivera on the map
Pico Rivera is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.