Corvallis Weather Information

Corvallis historical weather data by month.

Chance Of Sunshine

ANNUAL CHANCE OF SUNSHINE 42.95%
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Annual chance of sunshine: 42.95%
Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
25.00%
3
5
24
February
25.00%
3
4
21
March
32.26%
4
6
21
April
36.67%
4
7
19
May
43.75%
6
8
18
June
50.00%
7
8
15
July
74.19%
15
8
8
August
71.88%
14
9
9
September
65.52%
11
8
10
October
45.16%
6
8
17
November
26.67%
3
5
22
December
19.35%
2
4
25

Temperature

JULY HIGH 81.2° - JANUARY LOW 33.6°
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Month
Average
Max Average
Min Average
January
40.3°
47°
33.6°
February
43.2°
51°
35.4°
March
46.9°
56.1°
37.6°
April
50.3°
60.7°
39.9°
May
55.6°
67.1°
44°
June
61°
73.4°
48.5°
July
66.5°
81.2°
51.8°
August
67°
82.4°
51.5°
September
62.7°
77.1°
48.2°
October
53.6°
65.4°
41.8°
November
45.5°
52.9°
38°
December
40.1°
46.4°
33.8°

Rainfall

Average Annual Rainfall 43.66 inches
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Month
Average Rainfall
January
6.46 Inches
February
5.71 Inches
March
4.59 Inches
April
2.98 Inches
May
2.3 Inches
June
1.46 Inches
July
0.57 Inches
August
0.73 Inches
September
1.47 Inches
October
3.02 Inches
November
6.94 Inches
December
7.43 Inches

Sum Of Heating & Cooling Degree Days

Potential Demand For Energy
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Month
Heating Degree Days
Cooling Degree Days
January
766
0
February
610
0
March
562
0
April
442
0
May
296
3
June
143
22
July
44
91
August
33
93
September
109
38
October
353
0
November
586
0
December
771
0