Southwest Harbor (ME) Climate by Month
The temperature in Southwest Harbor can vary greatly throughout the year.
The temperatures shift from warm
to very cold.
It also experiences much rain/snowfall throughout the year.
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 Southwest Harbor. Average daytime temperatures reach a comfortable 23°C in July. In February, the coolest month of the year, temperatures drop to a very cold -0°C. At night, expect cooler temperatures, averaging -9°C during this month.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Southwest Harbor has a relatively rain/snowy climate with high precipitation levels, averaging 1297 mm of rain/snowfall annually. Southwest Harbor experiences moderate seasonal variation in rainfall, with monthly averages ranging from 145 mm in October, the wettest month, and 85 mm in August, the driest month.The mean monthly precipitation over the year, including rain, hail and snow
The best time of year to visit Southwest Harbor in the United States of America
During the months of July, August 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:
July has an average maximum temperature of 23°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of -0°C.
October tops the wettest month list with 145 mm of rainfall.
August is the driest month with 85 mm of precipitation.
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.