Mason, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Mason now
Loading the National Weather Service forecast…
Mason weather by the hour
Mason weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Mason.
This week in Mason
Sunrise, sunset and moon in Mason
What is the weather usually like in Mason?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 89°F average high
- Januarycoldest month · 20°F average low
- 44.0 inprecipitation per year · 1,118 mm
- 14.6 insnowfall per year · 37 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Mason: May and August to October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station EFFINGHAM 3SW, IL US (USC00112687), adjusted for the elevation of Mason.
Mason weather month by month
Sunrise and sunset in Mason through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:10 AM | 4:57 PM | 9 h 47 min |
| February | 6:43 AM | 5:33 PM | 10 h 49 min |
| March | 7:03 AM | 7:02 PM | 11 h 58 min |
| April | 6:16 AM | 7:32 PM | 13 h 16 min |
| May | 5:40 AM | 8:01 PM | 14 h 21 min |
| June | 5:26 AM | 8:23 PM | 14 h 56 min |
| July | 5:40 AM | 8:20 PM | 14 h 40 min |
| August | 6:06 AM | 7:50 PM | 13 h 44 min |
| September | 6:34 AM | 7:04 PM | 12 h 29 min |
| October | 7:02 AM | 6:17 PM | 11 h 14 min |
| November | 6:36 AM | 4:42 PM | 10 h 5 min |
| December | 7:04 AM | 4:34 PM | 9 h 30 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Mason?
Mason has a hot-summer humid continental climate. The warmest month is July, with an average high of 89°F (32°C), and the coldest is January, with average lows of 20°F (-7°C).
It gets about 44.0 inches (1,118 mm) of precipitation a year. The wettest month is May and the driest is February. Snow is common: about 15 inches fall in an average year.
The best time to visit Mason is May and August to October. At 591 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 Mason
Weather in towns near Mason
Questions about the weather in Mason
What is the hottest month in Mason?
July, with an average high of 89°F (32°C).
What is the coldest month in Mason?
January, with an average low of 20°F (-7°C).
How much does it rain in Mason?
About 44.0 inches (1,118 mm) a year; the wettest month is May.
Does it snow in Mason?
Yes, about 15 inches of snow fall in an average year.
When is the best time to visit Mason?
May and August to October, when temperatures are most pleasant and rainy days are fewer.
What climate does Mason have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Mason in November?
Highs average 54°F and lows 34°F, with about 3.7 inches of precipitation.
What time is sunrise in Mason?
Around 6:36 AM in mid-November, and sunset around 4:42 PM. Today’s exact times are shown above.
Where does this Mason weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Mason.
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