St. Peters Weather Information
St. Peters historical weather data by month.
Chance Of Sunshine
ANNUAL CHANCE OF SUNSHINE 55.14%
Annual chance of sunshine: 55.14%
Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
45.16%
7
7
17
February
46.43%
7
6
15
March
46.67%
6
8
16
April
50.00%
7
8
15
May
53.33%
7
9
14
June
60.00%
7
11
12
July
66.67%
9
11
10
August
67.74%
10
11
10
September
65.52%
11
8
10
October
63.33%
12
7
11
November
51.61%
9
7
15
December
45.16%
7
7
17
Temperature
JULY HIGH 90.2° - JANUARY LOW 19°
Month
Average
Max Average
Min Average
January
28.3°
37.6°
19°
February
33.7°
43.7°
23.7°
March
43.5°
55°
32°
April
54.7°
67.3°
42.1°
May
64.5°
76.4°
52.5°
June
74.1°
85.7°
62.4°
July
79°
90.2°
67.8°
August
77.3°
88.9°
65.6°
September
69.1°
81.1°
57.1°
October
57.5°
69.7°
45.2°
November
45.1°
54.6°
35.5°
December
33.1°
41.7°
24.5°
Rainfall
Average Annual Rainfall 38.28 inches
Month
Average Rainfall
January
1.72 Inches
February
1.95 Inches
March
3.45 Inches
April
3.94 Inches
May
4.17 Inches
June
3.73 Inches
July
4.18 Inches
August
3.19 Inches
September
2.92 Inches
October
2.75 Inches
November
3.42 Inches
December
2.86 Inches
Sum Of Heating & Cooling Degree Days
Potential Demand For Energy
Month
Heating Degree Days
Cooling Degree Days
January
1137
0
February
876
0
March
666
0
April
322
12
May
124
106
June
8
280
July
0
434
August
3
382
September
39
162
October
257
23
November
599
0
December
989
0