Which is the hottest month in Portland?

The hottest time of year in Portland is normally August. Expect maximum daytime temperatures to reach 27°C with low heat and humidity.

Which month has the most rain in Portland?

In terms of rainfall, December is usually the wettest month in Portland with 190mm on average. There are normally 19 days in December with some rain.

When is it sunniest in Portland?

The sunniest time of year in Portland is normally July with bright sunshine on average for 72% of daylight hours; that's 11 hours of sunshine per day.

Best time to visit Portland

Q: When is the best time to visit Portland?

The best times to visit Portland, Oregon are in June, July, August and September Maximum daytime temperature = 22 - 30°C.

The best times to visit Portland, Oregon are in June, July, August and September based on our default weather conditions. Update your weather preferences to see which months best match.

Portland by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Oregon

Marriott discount code: Kids stay & eat for free

Discount Code

Kids stay & eat for free at Marriot Bonvoy
Destinations include Europe, Middle East & Africa
Valid for up to 2 adults & 2 kids aged up to 12

Show discount code

******ZJ6

Redeem Marriott discount code >>

View all Marriott offers

When is the best time to visit Portland?

The best times to visit Portland, Oregon are in June, July, August and September based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]

Change the criteria to reflect your weather preferences.

0
Jan
0
Feb
0
Mar
0
Apr
2.5
May
5
Jun
5
Jul
5
Aug
5
Sep
1
Oct
0
Nov
0
Dec

Change criteria

Max Day Temperature (°F)

45
Jan
50
Feb
54
Mar
59
Apr
66
May
72
Jun
79
Jul
79
Aug
73
Sep
63
Oct
52
Nov
45
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Oregon (Portland) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C) | Imperial (°F)