West Covina (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit West Covina.
Climate overview of West Covina
West Covina, California, United States of America, sees big temperature differences between seasons, with August peaking at 35°C (95°F) and December dropping to 20°C (68°F).
Rainfall is modest, totalling around 310 mm (12 in) annually. The city experiences a distinct dry season from March to November. December tends to be the wettest month. The sunniest month is July, with 12.3 hours of sunshine per day on average.
West Covina Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in West Covina — and find the best time to visit.
Monthly Temperature in West Covina
Visitors to West Covina can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very hot 35°C (95°F) in August, the warmest time of the year, to a pleasant 20°C (68°F) during cooler months like December.
At night, you can expect temperatures ranging from 17°C (63°F) in August to around 8°C (46°F) during December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in West Covina
West Covina typically sees modest rainfall throughout the year, with an average annual precipitation of 310 mm (12 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives moderate rainfall, averaging 81 mm (3.2 in) of precipitation, recorded across 8 rainy days. In contrast, the driest month June brings less rainfall, with 0.2 mm (0.01 in) over 0 rainy days. For more details, please visit our West Covina 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 West Covina
Seasonal changes in sunshine hours are quite dramatic in West Covina. While July receives considerable daily sunshine with up to 12.3 hours, January marks the darkest time of the year, where sunshine is scarce with only 6.6 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit West Covina
The weather does bring rainfall during this period, between 10 mm (0.4 in) and 81 mm (3.2 in). Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in West Covina
What is the best time to visit West Covina?
January, February, March, April, May, November and December typically offer the most optimal weather in West Covina. In contrast, July, August and September tend to have less optimal conditions. West Covina has a distinct dry season from March to November.
What temperatures can I expect in West Covina?
Daytime highs range from 20°C (68°F) in December to 35°C (95°F) in August. Nighttime lows range from 8°C (46°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does West Covina get?
Annual rainfall is around 310 mm (12 in). December is the wettest month with 81 mm (3.2 in), while June is the driest with 0.2 mm (0.01 in).
How sunny is West Covina?
West Covina receives around 3,279 hours of sunshine per year. July is the sunniest month with 369 hours, while January is the cloudiest with just 198 hours. Overall, West Covina enjoys abundant sunshine.
West Covina 3-Day Forecast
West Covina (CA) 3-Day Forecast
West Covina on the map
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