ClimateForecastNovemberDecember >>

Boothbay Harbor (ME) Climate by Month

The temperature in Boothbay Harbor can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and very cold during the cooler months. 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

Visitors to Boothbay Harbor can expect significant temperature changes throughout the year. Average daytime temperatures range from a comfortable 24°C in July, the warmest time of the year, to a very cold 0°C during cooler months like January. At night, temperatures typically average around -9°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Boothbay Harbor is known for its substantial rain/snowfall, with annual precipitation reaching 1297 mm. While snow/rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 141 mm of precipitation, spread over 15 snowy/rainy days. In contrast, May experiences a drier climate, with about 86 mm of rainfall spread across 13 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Boothbay Harbor. While July receives considerable daily sunshine with up to 9.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.7 hours of sunlight per day.

Monthly hours of sunshine

Data from: Portland, the United States of America (54 KM, 33 Miles).

Daily hours of sunshine

Data from: Portland, the United States of America (54 KM, 33 Miles).

The best time of year to visit Boothbay 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:
  • Which is the warmest month in Boothbay Harbor?
    July has an average maximum temperature of 24°C and is the warmest month of the year.
  • Which is the coldest month in Boothbay Harbor?
    The coldest month is January with an average maximum temperature of 0°C.
  • Which is the wettest month in Boothbay Harbor?
    December tops the wettest month list with 141 mm of rainfall.
  • Which is the driest month in Boothbay Harbor?
    May is the driest month with 86 mm of precipitation.
  • Which is the sunniest month in Boothbay Harbor?
    July is the sunniest month with an average of 278 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.

    Forecast for Boothbay Harbor (ME)

    Fri   Nov 22
    12°C | 6°C
    SE 32 km/h
    9.3 mm
    broken clouds and rain

    broken clouds and rain

    Sat   Nov 23
    7°C | 5°C
    N 29 km/h
    21 mm
    overcast and heavy rain

    overcast and heavy rain

    Sun   Nov 24
    9°C | 3°C
    NW 36 km/h
    0.8 mm
    broken clouds and  chance of slight rain

    broken clouds and chance of slight rain