World Resorts USA Saint Charles

Saint Charles Monthly Weather Averages

Please click on any column to get detailed information about Saint Charles 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
44.4
54.0
67.5
81.1
85.5
86.3
83.9
72.4
61.7
54.8
40.8
36.0
36.9
44.5
55.0
65.6
71.1
72.7
69.3
60.0
50.0
44.0
31.4
29.3
Day temperature   
Night temperature

The warmest month in Saint Charles is july. The average daily temp is 86.3°F. The average nightly temp is 72.7°F.

Precipitation total, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.7
1.0
1.4
1.7
2.0
2.4
0.6
0.6
1.1
0.4
1.6
1.8
1.2
2
1.6
1.5
0.7
1.7

September is the month with least precipitations during the year. The average precipitation totals for this month is 0.4 in. The month with most precipitation total is May.

Number of rainy days

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
7
1
1
3
1
3
4
2
5
3
3
2
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
12
8.5
8.5
8.5
6.9
6.6
6.3
7.3
7.9
9.6
10.2
8.8
8.5
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
7
7
5
6
7
6
11
11
12
11
15
8
7
6
6
11
12
8
9
10
9
7
6
11
16
18
18
15
12
16
11
10
10
10
10
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
6.3
7.9
8.8
9.1
9.1
10.2
7.9
7.1
6.3
5.8
4.7

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 Saint Charles

Sunniest months:
October 18 days
September 18 days
June 16 days
Warmest months:
July 86.3 °F
August 85.5 °F
June 83.9 °F
Coldest months:
January 36.0 °F
February 40.8 °F
December 44.4 °F
Rainiest months:
May 5 days
July 4 days
March 3 days
Windiest months:
March 10.2 mph
April 9.6 mph
February 8.8 mph

Saint Charles on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
Boston
+39°F
Washington
+73°F
Hawaii
+75°F
Honolulu
+75°F
Las Vegas
+61°F
Los Angeles
+66°F
Miami
+77°F
New York
+45°F
Orlando
+73°F
San Diego
+59°F
San Francisco
+52°F
Sarasota
+73°F
Tampa
+77°F
Houston
+55°F
Chicago
+41°F
all places
24 Hours Forecast
Saint Charles
Local time: 00:19
April 06, sunday
0300
41°F
S
14 mph
0600
39°F
S
13 mph
0900
39°F
SW
11 mph
1200
39°F
SW
13 mph
1500
39°F
SW
6 mph
1800
39°F
SW
5 mph
2100
39°F
SW
2 mph
April 07, monday
0000
36°F
SE
4 mph
Units of measurement: °C / °F