Mendon, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Mendon now
Loading the National Weather Service forecast…
Mendon weather by the hour
Mendon weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Mendon.
This week in Mendon
Sunrise, sunset and moon in Mendon
What is the weather usually like in Mendon?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 86°F average high
- Januarycoldest month · 19°F average low
- 36.4 inprecipitation per year · 925 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Mendon: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station QUINCY RGNL AP, IL US (USW00093989), adjusted for the elevation of Mendon.
Mendon weather month by month
Sunrise and sunset in Mendon through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:23 AM | 5:05 PM | 9 h 42 min |
| February | 6:56 AM | 5:42 PM | 10 h 46 min |
| March | 7:14 AM | 7:13 PM | 11 h 58 min |
| April | 6:25 AM | 7:45 PM | 13 h 19 min |
| May | 5:47 AM | 8:15 PM | 14 h 27 min |
| June | 5:33 AM | 8:37 PM | 15 h 3 min |
| July | 5:47 AM | 8:34 PM | 14 h 47 min |
| August | 6:15 AM | 8:03 PM | 13 h 48 min |
| September | 6:45 AM | 7:15 PM | 12 h 30 min |
| October | 7:14 AM | 6:27 PM | 11 h 12 min |
| November | 6:49 AM | 4:50 PM | 10 h 0 min |
| December | 7:18 AM | 4:42 PM | 9 h 23 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Mendon?
Mendon has a hot-summer humid continental climate. The warmest month is July, with an average high of 86°F (30°C), and the coldest is January, with average lows of 19°F (-7°C).
It gets about 36.4 inches (925 mm) of precipitation a year. The wettest month is May and the driest is January.
The best time to visit Mendon is May–June and August–September. 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 Mendon
Weather in towns near Mendon
Questions about the weather in Mendon
What is the hottest month in Mendon?
July, with an average high of 86°F (30°C).
What is the coldest month in Mendon?
January, with an average low of 19°F (-7°C).
How much does it rain in Mendon?
About 36.4 inches (925 mm) a year; the wettest month is May.
Does it snow in Mendon?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Mendon?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Mendon have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Mendon in November?
Highs average 51°F and lows 33°F, with about 2.4 inches of precipitation.
What time is sunrise in Mendon?
Around 6:49 AM in mid-November, and sunset around 4:50 PM. Today’s exact times are shown above.
Where does this Mendon weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Mendon.
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