Mattoon (IL) Temperature by Month
This graph shows the average minimum and maximum temperatures throughout the year in Mattoon (Illinois), the United States of America. The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM. During this time the sun's heating effect is the strongest.
Temperature patterns do vary with the seasons. In winter, the time of minimum and maximum temperatures can shift slightly compared to summer.
- The months of May, June, July, August and September have nice average temperatures.
- On average, the warmest month(s) are June, July and August.
- On average, the warmest month is August with 30°C.
- On average, the coolest month is January with 2°C.
- The average annual maximum temperature is 17°C.
- The average annual minimum temperature is 6°C.
Current temperature in Mattoon (IL)
Sat Nov 02
17°C | 1°C
SE 
11 km/h
11 km/h
almost clear and no rain
Sun Nov 03
19°C | 6°C
SE 22 km/h
22 km/h0.2 mm
overcast and slight rain
Mon Nov 04
21°C | 15°C
S 29 km/h
29 km/h10 mm
broken clouds and rain
