Simpson, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Simpson now
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Simpson weather by the hour
Simpson weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Simpson.
This week in Simpson
Sunrise, sunset and moon in Simpson
What is the weather usually like in Simpson?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 88°F average high
- Januarycoldest month · 26°F average low
- 50.5 inprecipitation per year · 1,283 mm
- 7.2 insnowfall per year · 18 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Simpson: May and August to October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station DIXON SPRINGS AGRIC CTR, IL US (USC00112353), adjusted for the elevation of Simpson.
Simpson weather month by month
Sunrise and sunset in Simpson through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:06 AM | 5:02 PM | 9 h 55 min |
| February | 6:42 AM | 5:35 PM | 10 h 53 min |
| March | 7:04 AM | 7:03 PM | 11 h 59 min |
| April | 6:18 AM | 7:31 PM | 13 h 13 min |
| May | 5:44 AM | 7:58 PM | 14 h 14 min |
| June | 5:32 AM | 8:19 PM | 14 h 47 min |
| July | 5:44 AM | 8:17 PM | 14 h 32 min |
| August | 6:10 AM | 7:48 PM | 13 h 38 min |
| September | 6:35 AM | 7:04 PM | 12 h 28 min |
| October | 7:02 AM | 6:19 PM | 11 h 17 min |
| November | 6:33 AM | 4:45 PM | 10 h 12 min |
| December | 7:00 AM | 4:39 PM | 9 h 38 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Simpson?
Simpson has a humid subtropical climate. The warmest month is July, with an average high of 88°F (31°C), and the coldest is January, with average lows of 26°F (-4°C).
It gets about 50.5 inches (1,283 mm) of precipitation a year. The wettest month is May and the driest is February. Snow is common: about 7 inches fall in an average year.
The best time to visit Simpson is May and August to October. 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 Simpson
Weather in towns near Simpson
Questions about the weather in Simpson
What is the hottest month in Simpson?
July, with an average high of 88°F (31°C).
What is the coldest month in Simpson?
January, with an average low of 26°F (-4°C).
How much does it rain in Simpson?
About 50.5 inches (1,283 mm) a year; the wettest month is May.
Does it snow in Simpson?
Yes, about 7 inches of snow fall in an average year.
When is the best time to visit Simpson?
May and August to October, when temperatures are most pleasant and rainy days are fewer.
What climate does Simpson have?
Humid subtropical (Köppen Cfa).
What is the weather like in Simpson in November?
Highs average 57°F and lows 37°F, with about 4.3 inches of precipitation.
What time is sunrise in Simpson?
Around 6:33 AM in mid-November, and sunset around 4:45 PM. Today’s exact times are shown above.
Where does this Simpson weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Simpson.
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