Allerton, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Allerton now
Loading the National Weather Service forecast…
Allerton weather by the hour
Allerton weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Allerton.
This week in Allerton
Sunrise, sunset and moon in Allerton
What is the weather usually like in Allerton?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 84°F average high
- Januarycoldest month · 17°F average low
- 40.4 inprecipitation per year · 1,026 mm
- 23.7 insnowfall per year · 60 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Allerton: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station SIDELL 4N, IL US (USC00117952), adjusted for the elevation of Allerton.
Allerton weather month by month
Sunrise and sunset in Allerton through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:09 AM | 4:52 PM | 9 h 42 min |
| February | 6:42 AM | 5:29 PM | 10 h 46 min |
| March | 7:01 AM | 6:59 PM | 11 h 58 min |
| April | 6:12 AM | 7:31 PM | 13 h 19 min |
| May | 5:34 AM | 8:01 PM | 14 h 26 min |
| June | 5:21 AM | 8:23 PM | 15 h 2 min |
| July | 5:34 AM | 8:20 PM | 14 h 46 min |
| August | 6:02 AM | 7:49 PM | 13 h 47 min |
| September | 6:31 AM | 7:02 PM | 12 h 30 min |
| October | 7:01 AM | 6:13 PM | 11 h 12 min |
| November | 6:35 AM | 4:37 PM | 10 h 1 min |
| December | 7:04 AM | 4:29 PM | 9 h 24 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Allerton?
Allerton has a hot-summer humid continental climate. The warmest month is July, with an average high of 84°F (29°C), and the coldest is January, with average lows of 17°F (-8°C).
It gets about 40.4 inches (1,026 mm) of precipitation a year. The wettest month is July and the driest is February. Snow is common: about 24 inches fall in an average year.
The best time to visit Allerton is May–June and August–September. At 712 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 Allerton
Weather in towns near Allerton
Questions about the weather in Allerton
What is the hottest month in Allerton?
July, with an average high of 84°F (29°C).
What is the coldest month in Allerton?
January, with an average low of 17°F (-8°C).
How much does it rain in Allerton?
About 40.4 inches (1,026 mm) a year; the wettest month is July.
Does it snow in Allerton?
Yes, about 24 inches of snow fall in an average year.
When is the best time to visit Allerton?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Allerton have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Allerton in November?
Highs average 50°F and lows 32°F, with about 3.3 inches of precipitation.
What time is sunrise in Allerton?
Around 6:35 AM in mid-November, and sunset around 4:37 PM. Today’s exact times are shown above.
Where does this Allerton weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Allerton.
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