Portland (TX) Climate by Month
The climate in Portland is marked by big temperature swings throughout the year.
Temperatures range from very warm during the warmest months
to pleasant in the cooler months.
It receives a moderate amount of precipitation.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
In Portland, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 34°C in August to a pleasant 19°C in January. Nighttime temperatures can drop, with averages reaching 8°C in January.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
On average, Portland receives a reasonable amount of rainfall, with an annual precipitation of 770 mm. The seasons in Portland, bring significant changes in precipitation. The wettest month, September, receives high rainfall, with an average of 143 mm of precipitation. This rainfall is distributed across 13 rainy days. In contrast, the driest month, February, experiences much less rainfall, totaling 29 mm over 7 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.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
In Portland, summer days are longer and more sunny, with daily sunshine hours peaking at 11.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.4 hours.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 February, March, November and December 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:
August has an average maximum temperature of 34°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 19°C.
September tops the wettest month list with 143 mm of rainfall.
February is the driest month with 29 mm of precipitation.
July is the sunniest month with an average of 330 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.
