Weatheo

Edison Weather by Month

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

Warmest month

July

30°C average high

Coolest month

January

-3°C average low

Wettest month

June

108 mm of rain

Driest month

February

53 mm of rain

Average temperature and rainfall in Edison 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
January4°C-3°C-18°C / 19°C
56 mm
68%11 km/h
February6°C-2°C-21°C / 26°C
53 mm
67%11 km/h
March11°C1°C-17°C / 28°C
64 mm
61%13 km/h
April17°C7°C-5°C / 32°C
76 mm
60%13 km/h
May22°C12°C1°C / 35°C
97 mm
66%10 km/h
June27°C17°C8°C / 38°C
108 mm
67%9 km/h
July30°C21°C13°C / 40°C
103 mm
72%8 km/h
August29°C19°C11°C / 36°C
85 mm
72%8 km/h
September25°C16°C5°C / 35°C
77 mm
72%9 km/h
October19°C10°C-3°C / 33°C
82 mm
72%9 km/h
November12°C3°C-10°C / 27°C
61 mm
66%10 km/h
December7°C0°C-14°C / 21°C
85 mm
72%10 km/h

Best time to visit Edison

The most comfortable time to visit Edison is generally May to June and September, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around June, totalling about 947 mm a year.

Travellers who prefer heat should aim for July, when highs average 30°C. June is the month to avoid if rain would spoil your plans — it averages 108 mm, roughly 2× the rainfall of the driest month (February).

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

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