The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
Forecasts
Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Decatur, MO
Content continues below
Content continues below
Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
10°
2
6°
3
6°
4
5°
5
13°
6
17°
7
14°
8
13°
9
15°
10
11°
11
12°
12
7°
13
6°
14
11°
15
6°
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Thursday, January 1, 2026
Day
10°
Feels 10
Wind
8 km/h NE
Gust
11 km/h
Humidity
51%
P.O.P
10%
Night
0°
Feels -3
Wind
10 km/h N
Gust
15 km/h
Humidity
91%
P.O.P
20%
Historical Averages
Jan 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
January
Average Temperature
High
5°
Feels 3
Low
-4°
Feels -7
Average Precipitation
7 Days
Rain amount
51.2mm
Snow amount
7.3cm