ClimateForecastNovemberDecember >>

Jacksonville (IL) Climate by Month

The temperature in Jacksonville can vary greatly throughout the year. The temperatures shift from very warm to cold. It also experiences much rain/snowfall throughout the year. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

Depending on the time of the year, temperatures range from very warm to chilly in Jacksonville. Average daytime temperatures reach a very warm 30°C in July. In February, the coolest month of the year, temperatures drop to a chilly 2°C. At night, expect cooler temperatures, averaging -8°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Jacksonville has a relatively rain/snowy climate with high precipitation levels, averaging 1091 mm of rain/snowfall annually. Jacksonville can be quite wet during June, receiving approximately 154 mm of precipitation over 13 rainy days. In contrast January, experiences much drier conditions, with 50 mm of snow/rainfall, spread across 8 snowy/rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Jacksonville can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.7 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.3 hours of sunlight per day.

Monthly hours of sunshine

Data from: Springfield, the United States of America (50 KM, 31 Miles).

Daily hours of sunshine

Data from: Springfield, the United States of America (50 KM, 31 Miles).

The best time of year to visit Jacksonville in the United States of America

Other facts from our historical weather data:
  • Which is the warmest month in Jacksonville?
    July has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Jacksonville?
    The coldest month is February with an average maximum temperature of 2°C.
  • Which is the wettest month in Jacksonville?
    June tops the wettest month list with 154 mm of rainfall.
  • Which is the driest month in Jacksonville?
    January is the driest month with 50 mm of precipitation.
  • Which is the sunniest month in Jacksonville?
    July is the sunniest month with an average of 320 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Jacksonville (IL)

    Sat   Nov 23
    7°C | 0°C
    SW 11 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Sun   Nov 24
    16°C | 4°C
    S 22 km/h
    broken clouds and no rain

    broken clouds and no rain

    Mon   Nov 25
    12°C | -1°C
    NW 25 km/h
    overcast and no rain

    overcast and no rain