Portland Climate by Month
Temperatures in Portland experience a moderate degree of variance through the seasons.
Days can be pleasant, while the cooler months tend
to be cold.
It receives mid-range precipitation levels.
Let’s explore the climate details in depth to provide you with a complete overview.
Average day and night temperature
The climate in Portland experiences moderate temperature changes, with mild shifts between seasons. Average daytime temperatures range from a pleasant 20°C in August, the warmest time of the year, to a chilly 10°C during cooler months like February. At night, temperatures typically average around 5°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Generally, Portland receives mid-range precipitation levels, with 967 mm annually. While rainfall varies throughout the year, each season offers its own charm. November brings wetter days averaging 118 mm of precipitation, spread over 16 rainy days. In contrast, July experiences a drier climate, with about 54 mm of rainfall spread across 10 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Portland. While July receives considerable daily sunshine with up to 7.5 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.8 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
The best time of year to visit Portland in the United Kingdom
Other facts from our historical weather data:August has an average maximum temperature of 20°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 10°C.
November tops the wettest month list with 118 mm of rainfall.
July is the driest month with 54 mm of precipitation.
July is the sunniest month with an average of 225 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
