Shannon, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Shannon now
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Shannon weather by the hour
Shannon weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Shannon.
This week in Shannon
Sunrise, sunset and moon in Shannon
What is the weather usually like in Shannon?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 84°F average high
- Januarycoldest month · 13°F average low
- 40.0 inprecipitation per year · 1,017 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Shannon: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station POLO 5NW, IL US (USC00116897), adjusted for the elevation of Shannon.
Shannon weather month by month
Sunrise and sunset in Shannon through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:23 AM | 4:53 PM | 9 h 30 min |
| February | 6:53 AM | 5:32 PM | 10 h 39 min |
| March | 7:08 AM | 7:06 PM | 11 h 57 min |
| April | 6:16 AM | 7:41 PM | 13 h 25 min |
| May | 5:36 AM | 8:14 PM | 14 h 38 min |
| June | 5:20 AM | 8:38 PM | 15 h 17 min |
| July | 5:34 AM | 8:35 PM | 15 h 0 min |
| August | 6:05 AM | 8:01 PM | 13 h 55 min |
| September | 6:37 AM | 7:10 PM | 12 h 32 min |
| October | 7:10 AM | 6:18 PM | 11 h 8 min |
| November | 6:48 AM | 4:39 PM | 9 h 51 min |
| December | 7:18 AM | 4:29 PM | 9 h 10 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Shannon?
Shannon 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 13°F (-11°C).
It gets about 40.0 inches (1,017 mm) of precipitation a year. The wettest month is June and the driest is January.
The best time to visit Shannon is May–June and August–September. At 915 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 Shannon
Weather in towns near Shannon
Questions about the weather in Shannon
What is the hottest month in Shannon?
July, with an average high of 84°F (29°C).
What is the coldest month in Shannon?
January, with an average low of 13°F (-11°C).
How much does it rain in Shannon?
About 40.0 inches (1,017 mm) a year; the wettest month is June.
Does it snow in Shannon?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Shannon?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Shannon have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Shannon in November?
Highs average 48°F and lows 29°F, with about 2.6 inches of precipitation.
What time is sunrise in Shannon?
Around 6:48 AM in mid-November, and sunset around 4:39 PM. Today’s exact times are shown above.
Where does this Shannon weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Shannon.
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