World Resorts USA St. Louis

St. Louis Monthly Weather Averages

Please click on any column to get detailed information about St. Louis weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
112
42.3
51.9
66.2
81.1
85.2
87.1
84.6
73.7
62.0
53.7
42.2
35.7
35.8
42.5
54.7
66.5
70.8
73.2
70.1
60.9
50.2
43.5
32.9
29.0
Day temperature   
Night temperature

The warmest month in St. Louis is july. The average daily temp is 87.1°F. The average nightly temp is 73.2°F.

Precipitation total, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.8
1.5
2.3
3.0
3.8
4.5
5.3
1.4
1.4
1.7
1.7
4.3
4.4
3.5
4.1
3.6
3.3
1.8
2.5

December is the month with least precipitations during the year. The average precipitation totals for this month is 1.4 in. The month with most precipitation total is July.

Number of rainy days

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
2
1
3
3
7
7
6
7
6
5
3
3

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
11
8.4
8.2
8.2
6.7
6.3
6.3
7.3
8.2
9.8
9.8
8.9
8.7
Sunny, partly cloudy and cloudy days
1
2
3
4
5
6
7
8
9
10
11
12
0
5
10
15
20
25
30
35
12
10
8
6
6
7
6
10
11
13
12
15
8
7
7
8
10
10
7
9
8
9
8
7
11
13
15
16
14
14
18
12
11
9
9
9
Cloudy days   
Partly cloudy days   
Sunny days
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
11
12
4.6
5.9
7.4
8.7
9.1
9.4
10.7
8.4
7.9
6.4
5.7
4.6

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

* Charts above show average data for the last 3 years.

Best time for vacation in St. Louis

Sunniest months:
June 19 days
September 18 days
July 17 days
Warmest months:
July 88.0 °F
August 86.5 °F
June 84.8 °F
Coldest months:
January 35.2 °F
February 40.3 °F
December 42.9 °F
Rainiest months:
June 7 days
May 7 days
July 6 days
Windiest months:
April 10.2 mph
March 10.0 mph
February 9.5 mph

St. Louis on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
Boston
+39°F
Washington
+46°F
Hawaii
+73°F
Honolulu
+73°F
Las Vegas
+63°F
Los Angeles
+55°F
Miami
+72°F
New York
+45°F
Orlando
+70°F
San Diego
+55°F
San Francisco
+48°F
Sarasota
+70°F
Tampa
+68°F
Houston
+57°F
Chicago
+37°F
all places
24 Hours Forecast
St. Louis
Local time: 07:04
April 10, thursday
0900
52°F
SE
5 mph
1200
61°F
E
7 mph
1500
59°F
SE
15 mph
1800
61°F
SE
17 mph
2100
54°F
SE
12 mph
April 11, friday
0000
50°F
SE
14 mph
0300
46°F
SE
12 mph
0600
45°F
S
9 mph
Units of measurement: °C / °F