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Portland weather by month
Check out Portland weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Portland (°C)
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Max temperature (daytime) | 7 |
10 |
12 |
15 |
19 |
22 |
26 |
26 |
23 |
17 |
11 |
7 |
Min temperature (night-time) | 0 |
1 |
3 |
4 |
7 |
10 |
12 |
12 |
9 |
6 |
3 |
1 |
Heat & Humidity | 0 |
0 |
0 |
0 |
0 |
0 |
L |
L |
0 |
0 |
0 |
0 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & Daylight in Portland
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Daily hours of sunshine | ||||||||||||
Daily hours of daylight | 9 |
10 |
12 |
14 |
15 |
16 |
15 |
14 |
12 |
11 |
9 |
9 |
UV Index (Maximum) | 1 |
2 |
3 |
5 |
6 |
7 |
8 |
7 |
5 |
3 |
2 |
1 |
Rainfall in Portland
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of days with some rain | 17 |
15 |
16 |
14 |
11 |
8 |
4 |
5 |
8 |
11 |
18 |
18 |
Average monthly rainfall (mm) | 163 |
118 |
107 |
72 |
57 |
42 |
18 |
28 |
47 |
84 |
156 |
179 |
More about Portland
Portland by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Oregon
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The climate guide for Oregon (Portland) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
What's the climate like in Portland?
Portland has a temperate climate with warm dry summers.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
Compare Portland with the USA
Below the Portland chart shows average maximum daytime temperature for Portland, Oregon, USA and the USA (Washington).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
Compare more Portland weather >>
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