Mild
Average highs are around 25°C, so days are mild rather than hot.
Weather Guide
Bar Harbor, United States Average Monthly Weather
Weather score31Poor annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 12°C, sunshine averages 5.5h per day, and rainfall totals about 1305mm. Sea temperatures average 8°C across the year.
Annual weather
Annual averages
Temp
12°C
Rain
1305mm
Annual total
Sun
5.5h
Sea
8°C
Weather score
31
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 74mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.3h per day, enough for a balanced month.
Cool sea
Sea temperatures average 13°C, so the water can feel cool.
Map
Weather map
Compare Bar Harbor, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August25°C average high
August is one of Bar Harbor's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August74mm average rain
August is one of Bar Harbor's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsFebruary and June to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August7.3 hours average sun
August is one of Bar Harbor's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August13°C average sea
August is one of Bar Harbor's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to October
Sea temperatures are usually near 11°C in this stretch, so swimming comfort is at its strongest.
Weather score
August54 weather score
August is one of Bar Harbor's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
