West Covina, CA Weather & Climate Normals
West Covina's real weather, in one number
West Covina, CA scores 76/100 on this site's reading of NOAA's own 30-year normals: mild with real seasons. A solid stretch of comfortable months alongside a noticeable but not extreme summer or winter. 9 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
West Covina's hottest and coldest months
West Covina's hottest month is Aug, averaging 78°F; its coldest is Dec, averaging 54°F, a 23.4°F swing across the year, a middling gap by national standards.
West Covina's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 68°F | 43°F | 2.91in | 0in |
| Feb | 67°F | 45°F | 4.15in | 0in |
| Mar | 72°F | 47°F | 2.12in | 0in |
| Apr | 76°F | 50°F | 0.97in | 0in |
| May | 78°F | 54°F | 0.22in | 0in |
| Jun | 84°F | 57°F | 0.06in | 0in |
| Jul | 90°F | 62°F | 0in | 0in |
| Aug | 92°F | 63°F | 0.03in | 0in |
| Sep | 89°F | 60°F | 0.01in | 0in |
| Oct | 81°F | 54°F | 0.97in | 0in |
| Nov | 74°F | 47°F | 0.74in | 0in |
| Dec | 67°F | 42°F | 2.29in | 0in |
most of the year (9 of 12 months) are the best time to see West Covina at its mildest; the rest of the year, plan around Aug's heat and Dec's cold.
Rain and snow in West Covina
West Covina averages 14.47in of precipitation a year across roughly 31 days with measurable rain or snow, and 0in of snow a year.
Where West Covina ranks
West Covina ranks 192 of 4876 US cities in this dataset for comfort score, and 192 of 429 within CA. About 106,920 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Pomona/Fairplex, CA US, 8.4 miles from West Covina, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure