The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Sullivan, MO
Content continues below
August
Average Temperature
High
30°
Feels 32
Low
18°
Feels 18
Average Precipitation
10 Days
Rain amount
96.8mm
Snow amount
0cm
Content continues below
Daily Historical Averages
August 2026
S
M
T
W
T
F
S
1
2
3
4
32°
5
32°
6
29°
7
28°
8
31°
9
35°
10
36°
11
34°
12
33°
13
28°
14
33°
15
30°
16
32°
17
28°
18
29°
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Tuesday, August 4, 2026
Day
32°
Feels 32
Wind
10 km/h S
Gust
15 km/h
Humidity
38%
P.O.P
0%
Night
21°
Feels 21
Wind
13 km/h S
Gust
20 km/h
Humidity
80%
P.O.P
10%
Historical Averages
Aug 4
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.