World Resorts USA Portland

Portland Monthly Weather Averages

Please click on any column to get detailed information about Portland weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

The warmest month in Portland is august. The average daily temp is 80.8°F. The average nightly temp is 63.6°F.

Precipitation total, in.

July is the month with least precipitations during the year. The average precipitation totals for this month is 0.3 in. The month with most precipitation total is January.

Number of rainy days

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

* Charts above show average data for the last 3 years.

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 44.0 °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
January 5.8 mph
December 5.8 mph

Portland on a weather map

Portland
+46°F
W 2 mph
Feels like: +43°F
Precip.: 0%
Places in USA:
Name
°F
+14°F
+25°F
+73°F
+73°F
+46°F
+52°F
+61°F
+19°F
+52°F
+52°F
+54°F
+50°F
+48°F
+43°F
+27°F
24 Hours Forecast
Portland
Local time: 05:32
December 22, sunday
0600
46°F
W
2 mph
0900
46°F
W
4 mph
1200
48°F
W
5 mph
1500
48°F
W
4 mph
1800
50°F
W
4 mph
2100
50°F
N
4 mph
December 23, monday
0000
50°F
N
4 mph
0300
48°F
N
7 mph
Units of measurement: °C / °F