Weatheo

West Covina Weather by Month

Average temperatures, rainfall and humidity for West Covina, United States, month by month, built from OpenWeather’s historical records. Use it to see what a typical West Covina month looks like before you travel — then check the live West Covina forecast for the days ahead.

Warmest month

August

32°C average high

Coolest month

January

9°C average low

Wettest month

October

95 mm of rain

Driest month

June

2 mm of rain

Average temperature and rainfall in West Covina by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January20°C9°C-7°C / 30°C
58 mm
56%6 km/h
February20°C9°C-4°C / 34°C
56 mm
57%7 km/h
March22°C10°C-17°C / 37°C
46 mm
60%8 km/h
April24°C12°C1°C / 37°C
17 mm
59%8 km/h
May25°C14°C5°C / 38°C
21 mm
65%8 km/h
June28°C16°C10°C / 44°C
2 mm
65%8 km/h
July31°C19°C12°C / 43°C
4 mm
61%8 km/h
August32°C19°C11°C / 42°C
3 mm
59%8 km/h
September30°C18°C6°C / 45°C
9 mm
59%7 km/h
October27°C15°C1°C / 39°C
95 mm
55%6 km/h
November23°C11°C-3°C / 34°C
23 mm
52%6 km/h
December20°C9°C-5°C / 31°C
61 mm
57%6 km/h

Best time to visit West Covina

The most comfortable time to visit West Covina is generally April to May and November, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around October, totalling about 394 mm a year.

Travellers who prefer heat should aim for August, when highs average 32°C. October is the month to avoid if rain would spoil your plans — it averages 95 mm, roughly 44× the rainfall of the driest month (June).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the West Covina forecast for what is happening now.

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