Stonington, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Stonington now
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Stonington weather by the hour
Stonington weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Stonington.
This week in Stonington
Sunrise, sunset and moon in Stonington
What is the weather usually like in Stonington?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 85°F average high
- Januarycoldest month · 20°F average low
- 40.4 inprecipitation per year · 1,027 mm
- 13.6 insnowfall per year · 35 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Stonington: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station DECATUR WTP, IL US (USC00112193), adjusted for the elevation of Stonington.
Stonington weather month by month
Sunrise and sunset in Stonington through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:14 AM | 4:58 PM | 9 h 44 min |
| February | 6:47 AM | 5:34 PM | 10 h 47 min |
| March | 7:06 AM | 7:04 PM | 11 h 58 min |
| April | 6:17 AM | 7:36 PM | 13 h 18 min |
| May | 5:40 AM | 8:05 PM | 14 h 25 min |
| June | 5:26 AM | 8:27 PM | 15 h 0 min |
| July | 5:40 AM | 8:25 PM | 14 h 44 min |
| August | 6:07 AM | 7:54 PM | 13 h 46 min |
| September | 6:36 AM | 7:06 PM | 12 h 30 min |
| October | 7:05 AM | 6:19 PM | 11 h 13 min |
| November | 6:39 AM | 4:42 PM | 10 h 2 min |
| December | 7:08 AM | 4:35 PM | 9 h 26 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Stonington?
Stonington has a hot-summer humid continental climate. The warmest month is July, with an average high of 85°F (29°C), and the coldest is January, with average lows of 20°F (-7°C).
It gets about 40.4 inches (1,027 mm) of precipitation a year. The wettest month is May and the driest is February. Snow is common: about 14 inches fall in an average year.
The best time to visit Stonington is May–June and August–September. At 617 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 Stonington
Weather in towns near Stonington
Questions about the weather in Stonington
What is the hottest month in Stonington?
July, with an average high of 85°F (29°C).
What is the coldest month in Stonington?
January, with an average low of 20°F (-7°C).
How much does it rain in Stonington?
About 40.4 inches (1,027 mm) a year; the wettest month is May.
Does it snow in Stonington?
Yes, about 14 inches of snow fall in an average year.
When is the best time to visit Stonington?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Stonington have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Stonington in November?
Highs average 50°F and lows 34°F, with about 3.2 inches of precipitation.
What time is sunrise in Stonington?
Around 6:39 AM in mid-November, and sunset around 4:42 PM. Today’s exact times are shown above.
Where does this Stonington weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Stonington.
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