Climate
West Covina weather by month
Average highs, lows, rain and snow for every month, from 30 years of weather records.
Average temperatures
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Best time to visit: April, May, June, when highs are mild and rain is lightest.
Month by month
| Month | High | Low | Rain | Wet days |
|---|---|---|---|---|
| January | 69°F | 46°F | 3.6 in | 7 |
| February | 68°F | 47°F | 4.2 in | 7 |
| March | 71°F | 51°F | 2.5 in | 5 |
| April | 74°F | 53°F | 0.60 in | 2 |
| May | 76°F | 58°F | 0.50 in | 2 |
| June | 81°F | 62°F | 0.10 in | 1 |
| July | 86°F | 65°F | 0.00 in | 1 |
| August | 88°F | 66°F | 0.00 in | 0 |
| September | 87°F | 64°F | 0.10 in | 0 |
| October | 81°F | 57°F | 0.60 in | 2 |
| November | 74°F | 51°F | 0.90 in | 3 |
| December | 68°F | 45°F | 2.4 in | 5 |
NOAA U.S. Climate Normals 1991–2020, San Gabriel Fire Dept, Ca Us (9.3 mi away, 363 ft). Wet days: days with at least 0.01 in of precipitation.
Questions
What is the hottest month in West Covina?
August, with an average high of 88°F and low of 66°F.
What is the coldest month in West Covina?
December, with an average low of 45°F and high of 68°F.
When does it rain most in West Covina?
February is the wettest month, averaging 4.2 in of precipitation; the year totals about 15.5 inches.
What is the best time to visit West Covina?
For mild weather (highs between 65°F and 85°F) with the least rain, April, May, June.
Where do these numbers come from?
NOAA’s 1991–2020 U.S. Climate Normals for the San Gabriel Fire Dept weather station, 9.3 miles from downtown: 30-year averages, not a forecast.