Mason, IL
Unincorporated community in Union County, Illinois
Mason is a small unincorporated community in Union County, Illinois. It is 0.6 miles N of Cobden, the nearest town. Its ZIP code is 62920.
Mason at a glance
- State
- Illinois
- County
- Union County
- ZIP code
- 62920
- Nearest town
- Cobden (0.6 mi)
- Time zone
- America/Chicago
- Coordinates
- 37.5236, -89.2542
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 · 90°F average high
- Januarycoldest month · 25°F average low
- 51.1 inprecipitation per year · 1,299 mm
- 10.4 insnowfall per year · 26 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Mason: April–May and September–October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station ANNA 2 NNE, IL US (USC00110187), adjusted for the elevation of Mason.
Mason weather month by month
Sunrise and sunset in Mason through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:08 AM | 5:04 PM | 9 h 55 min |
| February | 6:44 AM | 5:37 PM | 10 h 53 min |
| March | 7:06 AM | 7:05 PM | 11 h 59 min |
| April | 6:20 AM | 7:33 PM | 13 h 13 min |
| May | 5:45 AM | 8:00 PM | 14 h 14 min |
| June | 5:33 AM | 8:21 PM | 14 h 47 min |
| July | 5:46 AM | 8:19 PM | 14 h 32 min |
| August | 6:11 AM | 7:51 PM | 13 h 39 min |
| September | 6:37 AM | 7:06 PM | 12 h 28 min |
| October | 7:04 AM | 6:21 PM | 11 h 17 min |
| November | 6:35 AM | 4:47 PM | 10 h 12 min |
| December | 7:03 AM | 4:41 PM | 9 h 38 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Mason?
Mason has a humid subtropical climate. The warmest month is July, with an average high of 90°F (32°C), and the coldest is January, with average lows of 25°F (-4°C).
It gets about 51.1 inches (1,299 mm) of precipitation a year. The wettest month is May and the driest is August. Snow is common: about 10 inches fall in an average year.
The best time to visit Mason is April–May and September–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.
Webcams near Mason
The closest live webcam is Perryville, 36.0 miles W of Mason.
Webcams: Windy.com. Distances in a straight line from Mason.
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Map of Mason, IL
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Mason Street View
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Open in Google Maps ›Towns near Mason
Other communities near Mason
Questions about Mason
Where is Mason, IL?
Mason is an unincorporated community in Union County, Illinois, 0.6 miles N of Cobden.
What county is Mason in?
Mason is in Union County, Illinois.
What is the ZIP code of Mason, IL?
The ZIP code for Mason is 62920.
What is the nearest town to Mason?
Cobden, 0.6 miles away.
Are there webcams near Mason?
Yes. The closest is Perryville, 36.0 miles away.
What is the hottest month in Mason?
July, with an average high of 90°F (32°C).
What is the coldest month in Mason?
January, with an average low of 25°F (-4°C).
How much does it rain in Mason?
About 51.1 inches (1,299 mm) a year; the wettest month is May.
Does it snow in Mason?
Yes, about 10 inches of snow fall in an average year.
When is the best time to visit Mason?
April–May and September–October, when temperatures are most pleasant and rainy days are fewer.
What climate does Mason have?
Humid subtropical (Köppen Cfa).
Last updated: