Best year time to visit Town of Islesboro

General weather information about Town of Islesboro

Average annual temperature is 8.7 °C

Absolute maximum temperature: 30.1 °C

Absolute minimum temperature: -28.8 °C

Number of sunny days: 153 days

Number of rainy days: 184 days

Number of snow days: 28 days

* Weather data for Town of Islesboro United States is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	9.8	11.3	10.5	20.9	28.8	27.7	28.7	26.3	30.1	26.2	14.0	12.8
Average daytime temperature (°C)	3.1	1.3	4.8	10.9	17.7	18.8	24.7	22.6	21.6	16.2	6.7	4.4
Average temperature (°C)	-0.7	-3.8	1.0	6.6	12.4	15.0	21.0	18.8	17.3	12.3	2.5	0.8
Average night temperature (°C)	-4.1	-8.3	-2.6	3.0	7.8	12.0	17.9	15.6	13.9	9.1	-0.7	-2.2
Absolute minimum temperature (°C)	-10.5	-28.8	-9.5	-4.3	2.1	6.3	13.9	11.5	8.2	0.5	-6.7	-11.1

The best time to visit Town of Islesboro during the most sunny months:

Months with the longest average daylight duration in Town of Islesboro:

The largest precipitation sum in Town of Islesboro is at

January — 187(mm)

June — 191(mm)

July — 178(mm)

October — 206(mm)

December — 171(mm)

When is the best time to visit Town of Islesboro?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Town of Islesboro.

What is the weather like in Town of Islesboro?

See average temperature, rainfall and daylight hours for Town of Islesboro by month in the table above.

How many sunny days does Town of Islesboro have?

The monthly weather statistics above show sunshine and rainfall patterns for Town of Islesboro throughout the year.