Fairfield, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Fairfield now
Loading the National Weather Service forecast…
Fairfield weather by the hour
Fairfield weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Fairfield.
This week in Fairfield
Sunrise, sunset and moon in Fairfield
What is the weather usually like in Fairfield?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 89°F average high
- Januarycoldest month · 24°F average low
- 46.0 inprecipitation per year · 1,169 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Fairfield: May and August to October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station FAIRFIELD RADIO WFIW, IL US (USC00112931), adjusted for the elevation of Fairfield.
Fairfield weather month by month
Sunrise and sunset in Fairfield through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:07 AM | 4:58 PM | 9 h 50 min |
| February | 6:42 AM | 5:32 PM | 10 h 50 min |
| March | 7:02 AM | 7:01 PM | 11 h 59 min |
| April | 6:15 AM | 7:31 PM | 13 h 15 min |
| May | 5:40 AM | 7:59 PM | 14 h 18 min |
| June | 5:27 AM | 8:20 PM | 14 h 52 min |
| July | 5:40 AM | 8:18 PM | 14 h 37 min |
| August | 6:06 AM | 7:48 PM | 13 h 42 min |
| September | 6:34 AM | 7:03 PM | 12 h 29 min |
| October | 7:01 AM | 6:17 PM | 11 h 15 min |
| November | 6:33 AM | 4:42 PM | 10 h 8 min |
| December | 7:01 AM | 4:35 PM | 9 h 33 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Fairfield?
Fairfield has a humid subtropical climate. The warmest month is July, with an average high of 89°F (32°C), and the coldest is January, with average lows of 24°F (-4°C).
It gets about 46.0 inches (1,169 mm) of precipitation a year. The wettest month is April and the driest is February.
The best time to visit Fairfield is May and August to October. At 456 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 Fairfield
Weather in towns near Fairfield
Questions about the weather in Fairfield
What is the hottest month in Fairfield?
July, with an average high of 89°F (32°C).
What is the coldest month in Fairfield?
January, with an average low of 24°F (-4°C).
How much does it rain in Fairfield?
About 46.0 inches (1,169 mm) a year; the wettest month is April.
Does it snow in Fairfield?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Fairfield?
May and August to October, when temperatures are most pleasant and rainy days are fewer.
What climate does Fairfield have?
Humid subtropical (Köppen Cfa).
What is the weather like in Fairfield in November?
Highs average 56°F and lows 36°F, with about 3.8 inches of precipitation.
What time is sunrise in Fairfield?
Around 6:33 AM in mid-November, and sunset around 4:42 PM. Today’s exact times are shown above.
Where does this Fairfield weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Fairfield.
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