Portland Weather Year-Round — Best Time to Visit
Portland, United States has mild weather year-round. The best time to visit is July (score: 98/100). Annual average high: 16.7°C, total rainfall: 1241mm.
When is the best time to visit Portland?
98
July is the best month to visit Portland with a travel score of 98/100 (Excellent).
Expect highs of 27.5°C, 2 rain days, and 13.3 hours of daily sunshine.
View July weather details →Travel Score by Month
39
Jan
46
Feb
50
Mar
61
Apr
73
May
83
Jun
98
Jul
97
Aug
87
Sep
63
Oct
44
Nov
36
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Portland each month?
16.7°C
Avg High
7.3°C
Avg Low
1241mm
Annual Rain
How much rain does Portland get?
Portland receives 1241mm of rain annually. The wettest month is typically December with 200mm, while July is the driest.
What is the weather like each month in Portland?
January
39
8°C
Low: 2°C
17 rain days
Poor
February
46
10°C
Low: 2°C
15 rain days
Mixed
March
50
12°C
Low: 3°C
17 rain days
Mixed
April
61
15°C
Low: 5°C
15 rain days
Good
May
73
19°C
Low: 9°C
11 rain days
Good
June
83
22°C
Low: 11°C
7 rain days
Excellent
July
Best time to visit98
28°C
Low: 14°C
2 rain days
Excellent
August
97
28°C
Low: 15°C
2 rain days
Excellent
September
87
24°C
Low: 12°C
6 rain days
Excellent
October
63
17°C
Low: 8°C
12 rain days
Good
November
44
11°C
Low: 4°C
17 rain days
Mixed
December
36
8°C
Low: 2°C
18 rain days
Poor
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What cities are near Portland?
Data based on 1994–2024 averages · Last updated: 2024-12-31