Best year time to visit Cumberland Island

General weather information about Cumberland Island

Average annual temperature is 21.1 °C

Absolute maximum temperature: 38.5 °C

Absolute minimum temperature: 1.8 °C

Number of sunny days: 145 days

Number of rainy days: 220 days

* Weather data for Cumberland Island 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)	27.2	29.1	31.3	29.8	31.4	34.8	38.5	35.8	33.5	28.7	26.2	23.4
Average daytime temperature (°C)	19.3	22.6	23.3	24.4	26.0	29.4	32.4	31.7	28.8	24.8	20.8	17.7
Average temperature (°C)	14.1	17.5	18.6	20.9	22.5	25.3	27.8	28.0	25.4	21.4	17.0	14.3
Average night temperature (°C)	10.1	13.8	14.9	17.7	19.4	22.2	24.5	25.2	22.6	18.5	14.1	11.4
Absolute minimum temperature (°C)	1.8	4.9	4.2	11.7	12.9	18.6	23.3	22.9	18.2	10.7	4.1	3.8

The largest precipitation sum in Cumberland Island is at

May — 119(mm)

June — 140(mm)

August — 162(mm)

September — 132(mm)

When is the best time to visit Cumberland Island?

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

What is the weather like in Cumberland Island?

See average temperature, rainfall and daylight hours for Cumberland Island by month in the table above.

How many sunny days does Cumberland Island have?

The monthly weather statistics above show sunshine and rainfall patterns for Cumberland Island throughout the year.