Corvallis Weather Year-Round — Best Time to Visit
Corvallis, United States has mild weather year-round. The best time to visit is July (score: 98/100). Annual average high: 16.8°C, total rainfall: 1203mm.
When is the best time to visit Corvallis?
98
July is the best month to visit Corvallis with a travel score of 98/100 (Excellent).
Expect highs of 27.7°C, 2 rain days, and 13.5 hours of daily sunshine.
View July weather details →Travel Score by Month
40
Jan
46
Feb
49
Mar
60
Apr
74
May
84
Jun
98
Jul
97
Aug
89
Sep
66
Oct
45
Nov
37
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Corvallis each month?
16.8°C
Avg High
6.8°C
Avg Low
1203mm
Annual Rain
How much rain does Corvallis get?
Corvallis receives 1203mm of rain annually. The wettest month is typically December with 206mm, while July is the driest.
What is the weather like each month in Corvallis?
January
40
9°C
Low: 2°C
17 rain days
Poor
February
46
10°C
Low: 2°C
14 rain days
Mixed
March
49
12°C
Low: 3°C
16 rain days
Mixed
April
60
14°C
Low: 5°C
14 rain days
Good
May
74
18°C
Low: 8°C
9 rain days
Good
June
84
22°C
Low: 10°C
6 rain days
Excellent
July
Best time to visit98
28°C
Low: 13°C
2 rain days
Excellent
August
97
28°C
Low: 13°C
2 rain days
Excellent
September
89
24°C
Low: 12°C
5 rain days
Excellent
October
66
17°C
Low: 8°C
10 rain days
Good
November
45
11°C
Low: 4°C
16 rain days
Mixed
December
37
8°C
Low: 2°C
17 rain days
Poor
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Data based on 1994–2024 averages · Last updated: 2024-12-31