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Weather by month

Jacksonville Weather by Month

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

Warmest month

July

33°C average high

Coolest month

January

9°C average low

Wettest month

September

122 mm of rain

Driest month

April

44 mm of rain

Average temperature and rainfall in Jacksonville by month

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

Month	Avg high	Avg low	Record low / high	Rainfall	Humidity	Wind
January	19°C	9°C	-5°C / 29°C	55 mm	74%	13 km/h
February	22°C	11°C	-5°C / 31°C	50 mm	74%	13 km/h
March	24°C	13°C	-1°C / 33°C	47 mm	70%	14 km/h
April	26°C	17°C	6°C / 33°C	44 mm	71%	15 km/h
May	29°C	20°C	11°C / 37°C	69 mm	72%	13 km/h
June	32°C	23°C	18°C / 39°C	83 mm	77%	12 km/h
July	33°C	24°C	21°C / 38°C	72 mm	77%	11 km/h
August	32°C	24°C	20°C / 37°C	93 mm	79%	11 km/h
September	30°C	23°C	16°C / 36°C	122 mm	80%	12 km/h
October	27°C	19°C	7°C / 32°C	58 mm	77%	13 km/h
November	23°C	14°C	1°C / 31°C	46 mm	77%	13 km/h
December	21°C	11°C	-4°C / 29°C	53 mm	79%	12 km/h

Best time to visit Jacksonville

The most comfortable time to visit Jacksonville is generally March to April and November, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around September, totalling about 792 mm a year.

Travellers who prefer heat should aim for July, when highs average 33°C. September is the month to avoid if rain would spoil your plans — it averages 122 mm, roughly 3× the rainfall of the driest month (April).

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