Saint Clair, Missouri Climate

United States

Pop. 4,724 Elev. 238 m / 781 ft TZ: America/Chicago (UTC-5) ·

Saint Clair sees warm summers peaking at 88°F (31°C) in July, and frigid winters that bottom out around 22°F (-6°C) in January. Humidity pushes the summer feels-like temperature to around 105°F (41°C). Precipitation occurs on roughly 65 days per year (39.5 in / 1002 mm total), with snow on 5 days and 25 in (637 mm) of annual accumulation. The city averages 123 sunny days per year and around 48 thunderstorm days. Nearby lake water reaches 83°F (28°C) in summer.

Temperature 88°F (31°C) high 22°F (-6°C) low
Feels like 105°F (41°C) high 16°F (-9°C) low
Rain 65 days 39.5 in (1002 mm) /yr
Snow 5 days 25.1 in (637 mm) /yr
Sky 123 sunny 48 stormy
Wind 2.3 mph (1.0 m/s) avg

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Monthly Climate Chart

↓ Monthly data table
Best months to visit: Mar, Jul, Aug, Oct

Sky & Air by Month

Cloud cover (%)
47
Jan
60
Feb
52
Mar
67
Apr
63
May
59
Jun
57
Jul
45
Aug
46
Sep
41
Oct
53
Nov
55
Dec
Humidity (%)
61
Jan
65
Feb
49
Mar
65
Apr
73
May
79
Jun
80
Jul
66
Aug
64
Sep
68
Oct
67
Nov
69
Dec

Weather Days by Month

↓ Weather days table

Water Temperatures

↓ Water temperatures table

Cities with Similar Climate

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Nearby Cities

Nearby

Commercial airport 43 mi St. Louis Lambert International Airport (STL)
Ski resort 22 mi Hidden Valley
National park 114 mi Emmett Till and Mamie Till-Mobley National Monument
Hospital 14 mi Mercy Hospital Washington
Hiking trail 12 mi Wildflower Trail

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Monthly Weather Data

↑ See chart
Month Avg High Avg Low Rainfall Snowfall Sunny Days
January 38°F 3°C 22°F -6°C 1.5 in 38 mm 8.4 in215 mm 14
February 44°F 7°C 26°F -3°C 0.8 in 21 mm 10.4 in265 mm 8
March 67°F 19°C 43°F 6°C 3.0 in 77 mm 0.8 in19 mm 10
April 70°F 21°C 49°F 10°C 6.6 in 168 mm 0.0 in0 mm 5
May 72°F 22°C 55°F 13°C 4.9 in 124 mm 9
June 83°F 28°C 68°F 20°C 8.1 in 207 mm 9
July 88°F 31°C 73°F 23°C 3.5 in 89 mm 9
August 86°F 30°C 65°F 18°C 0.4 in 10 mm 14
September 84°F 29°C 59°F 15°C 4.3 in 110 mm 12
October 72°F 22°C 52°F 11°C 3.0 in 77 mm 16
November 59°F 15°C 41°F 5°C 2.6 in 67 mm 4.0 in101 mm 9
December 48°F 9°C 31°F -1°C 0.5 in 13 mm 1.4 in37 mm 8

Weather Days by Month

↑ See chart
Month Sunny Days Storm Days
January 14 2
February 8 0
March 10 4
April 5 7
May 9 6
June 9 12
July 9 8
August 14 1
September 12 2
October 16 2
November 9 4
December 8 0

Water Temperatures Data

↑ See chart
Month Lake Avg High
January 33°F 0°C
February 32°F 0°C
March 48°F 9°C
April 58°F 14°C
May 65°F 18°C
June 76°F 25°C
July 83°F 28°C
August 77°F 25°C
September 72°F 22°C
October 62°F 17°C
November 47°F 8°C
December 34°F 1°C