Portland, ME — Best Months Card
Best months for Portland: June, September.
JAN
32°F
Rain 11 days
Daylight 9h 16mFEB
35°F
Rain 10 days
Daylight 10h 25mMAR
42°F
Rain 11 days
Daylight 11h 47mAPR
54°F
Rain 11 days
Daylight 13h 22mMAY
64°F
Rain 12 days
Daylight 14h 41mJUN
74°F
★ Best
Rain 12 days
Daylight 15h 25mJUL
80°F
Rain 11 days
Daylight 15h 08mAUG
79°F
Rain 9 days
Daylight 13h 59mSEP
71°F
★ Best
Rain 9 days
Daylight 12h 27mOCT
60°F
Rain 11 days
Daylight 10h 56mNOV
48°F
Rain 11 days
Daylight 9h 36mDEC
38°F
Rain 12 days
Daylight 8h 57m
32°F
Rain 11 days
Daylight 9h 16mFEB
35°F
Rain 10 days
Daylight 10h 25mMAR
42°F
Rain 11 days
Daylight 11h 47mAPR
54°F
Rain 11 days
Daylight 13h 22mMAY
64°F
Rain 12 days
Daylight 14h 41mJUN
74°F
★ Best
Rain 12 days
Daylight 15h 25mJUL
80°F
Rain 11 days
Daylight 15h 08mAUG
79°F
Rain 9 days
Daylight 13h 59mSEP
71°F
★ Best
Rain 9 days
Daylight 12h 27mOCT
60°F
Rain 11 days
Daylight 10h 56mNOV
48°F
Rain 11 days
Daylight 9h 36mDEC
38°F
Rain 12 days
Daylight 8h 57m
Averages are the 1991–2020 climate normals (NOAA National Centers for Environmental Information) for the station named on each page. Rain days = days with at least 0.01 in of precipitation. Daylight is computed for the middle of the month. Weather station used: PORTLAND INTL JETPORT, ME US (NOAA station USW00014764), about 3 miles from central Portland, at 45 ft elevation. All figures on this page are that station's 1991–2020 normals.
Monthly weather summaries are historical averages for trip planning only — they are not forecasts, and the weather in any given month will differ.