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Monthly
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Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Affton, MO
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January
Average Temperature
High
5°
Feels 2
Low
-5°
Feels -9
Average Precipitation
6 Days
Rain amount
33.6mm
Snow amount
11.6cm
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Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
19°
9
10°
10
8°
11
2°
12
11°
13
11°
14
4°
15
0°
16
3°
17
2°
18
2°
19
-1°
20
9°
21
6°
22
9°
23
24
25
26
27
28
29
30
31
Forecast
Thursday, January 8, 2026
Day
19°
Feels 19
Wind
33 km/h S
Gust
49 km/h
Humidity
80%
P.O.P
90%
Rain
1-3 mm
Night
8°
Feels 5
Wind
32 km/h SW
Gust
48 km/h
Humidity
87%
P.O.P
90%
Rain
2-4 mm
Historical Averages
Jan 8
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.