World Resorts USA Portland Weather

Portland weather in January

Weather in Portland: January

Average day temperature: 45.0°F
Average night temperature: 38.5°F
Number of sunny days: 7 days
Day length: 8.8 - 9.7 hours
Number of rainy days: 9 days
Precipitation totals: 4.9 in.

Air temperature in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
8
16
24
32
40
48
56
64
Day temperature   
Night temperature

The highest day temperature during January of 2025 was 50°F. At the same time the lowest night temperature was 27°F. Day and night temperature averages during January were 43.9°F and 36.7°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
16%
13%
71%

Mostly all days in January are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in January, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.9
1.8
2.7
3.5
4.4
5.3
6.2
7.1
3.9
3.3
2.9
1.8
2.0
2.0
3.8
3.4
4.4
3.9
3.3
2.9
1.8
2.0
2.0
3.8
3.4
4.4
5.2

Precipitation total value in Portland in January is 5.2 in. Other months of the year show relatively similar values.

Wind speed in January, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.0
2.0
3.1
4.1
5.1
6.1
7.1
5.4
5.2
4.7
4.1
4.3
4.6
4.8
4.6
5.1
5.4
5.9
5.4
5.2
4.7
4.1
4.3
4.6
4.8
4.6
5.1
5.4
5.9
5.9

The average wind speed value in January is 5.9 mph It makes January one of the most windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.1
4.3
6.4
8.6
10.7
12.8
15.0
2.0
2.6
5.6
8.3
10.6
12.5
9.7
7.1
5.5
4.0
3.0
2.0
2.6
5.6
8.3
10.6
12.5
9.7
7.1
5.5
4.0
3.0
2.9

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 2.9.

Best time for vacation in Portland

Sunniest months:
July 21 days
August 21 days
September 16 days
Warmest months:
August 80.7 °F
July 79.5 °F
September 73.2 °F
Coldest months:
December 44.1 °F
January 45.0 °F
February 46.4 °F
Rainiest months:
January 9 days
March 9 days
February 8 days
Windiest months:
February 6.0 mph
March 5.7 mph
January 5.7 mph

Portland on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+28°F
+34°F
+72°F
+72°F
+52°F
+55°F
+70°F
+34°F
+61°F
+52°F
+54°F
+64°F
+63°F
+46°F
+34°F
24 Hours Forecast
Portland
Local time: 03:52
February 24, monday
0600
45°F
W
3 mph
0900
46°F
W
6 mph
1200
54°F
W
4 mph
1500
54°F
N
13 mph
1800
50°F
NE
15 mph
2100
48°F
N
15 mph
February 25, tuesday
0000
46°F
N
20 mph
0300
45°F
NE
24 mph
Units of measurement: °C / °F