South Jacksonville, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in South Jacksonville now
Loading the National Weather Service forecast…
South Jacksonville weather by the hour
South Jacksonville weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of South Jacksonville.
This week in South Jacksonville
Sunrise, sunset and moon in South Jacksonville
What is the weather usually like in South Jacksonville?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 87°F average high
- Januarycoldest month · 18°F average low
- 41.4 inprecipitation per year · 1,051 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit South Jacksonville: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station JACKSONVILLE 2, IL US (USC00114447), adjusted for the elevation of South Jacksonville.
South Jacksonville weather month by month
Sunrise and sunset in South Jacksonville through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:18 AM | 5:02 PM | 9 h 44 min |
| February | 6:51 AM | 5:38 PM | 10 h 47 min |
| March | 7:10 AM | 7:09 PM | 11 h 58 min |
| April | 6:21 AM | 7:40 PM | 13 h 18 min |
| May | 5:44 AM | 8:10 PM | 14 h 25 min |
| June | 5:30 AM | 8:32 PM | 15 h 1 min |
| July | 5:44 AM | 8:29 PM | 14 h 45 min |
| August | 6:12 AM | 7:58 PM | 13 h 46 min |
| September | 6:40 AM | 7:11 PM | 12 h 30 min |
| October | 7:10 AM | 6:23 PM | 11 h 13 min |
| November | 6:44 AM | 4:46 PM | 10 h 2 min |
| December | 7:13 AM | 4:39 PM | 9 h 25 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in South Jacksonville?
South Jacksonville has a hot-summer humid continental climate. The warmest month is July, with an average high of 87°F (31°C), and the coldest is January, with average lows of 18°F (-8°C).
It gets about 41.4 inches (1,051 mm) of precipitation a year. The wettest month is May and the driest is February.
The best time to visit South Jacksonville is May–June and August–September. At 627 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about South Jacksonville
Weather in towns near South Jacksonville
Questions about the weather in South Jacksonville
What is the hottest month in South Jacksonville?
July, with an average high of 87°F (31°C).
What is the coldest month in South Jacksonville?
January, with an average low of 18°F (-8°C).
How much does it rain in South Jacksonville?
About 41.4 inches (1,051 mm) a year; the wettest month is May.
Does it snow in South Jacksonville?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit South Jacksonville?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does South Jacksonville have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in South Jacksonville in November?
Highs average 52°F and lows 32°F, with about 3.1 inches of precipitation.
What time is sunrise in South Jacksonville?
Around 6:44 AM in mid-November, and sunset around 4:46 PM. Today’s exact times are shown above.
Where does this South Jacksonville weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of South Jacksonville.
Last updated: