Portland (IN) Climate by Month
The temperature in Portland can vary greatly throughout the year.
The temperatures shift from warm
to very cold.
It also has a notably wet climate with much precipitation.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
Depending on the time of the year, temperatures range from comfortable to very cold in Portland. Average daytime temperatures range from a comfortable 29°C in July, the warmest time of the year, to a very cold 1°C during cooler months like February. At night, temperatures typically average around -9°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Portland has a relatively rain/snowy climate with high precipitation levels, averaging 1100 mm of rain/snowfall annually. While rainfall varies throughout the year, each season offers its own charm. June brings wetter days averaging 134 mm of precipitation, spread over 14 rainy days. In contrast, January experiences a drier climate, with about 65 mm of snow/rainfall spread across 11 snowy/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 11.5 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.5 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is moderate throughout the year in Portland.
Relative humidity over the year
The best time of year to visit Portland in the United States of America
During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
July has an average maximum temperature of 29°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 1°C.
June tops the wettest month list with 134 mm of rainfall.
January is the driest month with 65 mm of precipitation.
July is the sunniest month with an average of 345 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.
