Best year time to visit Dedham Island

General weather information about Dedham Island

Average annual temperature is 11.3 °C

Absolute maximum temperature: 34.8 °C

Absolute minimum temperature: -24.6 °C

Number of sunny days: 160 days

Number of rainy days: 193 days

Number of snow days: 12 days

* Weather data for Dedham 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)	12.8	15.8	15.5	29.4	30.1	32.0	33.5	29.7	34.8	27.2	18.8	15.7
Average daytime temperature (°C)	6.1	6.2	8.3	15.4	21.1	23.5	28.8	26.1	23.2	19.0	9.4	7.9
Average temperature (°C)	2.4	0.9	3.5	9.9	14.6	18.0	23.7	21.0	18.7	13.8	4.3	3.5
Average night temperature (°C)	-1.0	-3.7	-0.7	5.5	8.8	13.7	19.3	16.9	15.1	9.8	0.4	0.3
Absolute minimum temperature (°C)	-6.3	-24.6	-5.0	-3.3	2.5	7.6	14.2	12.6	7.7	2.5	-5.1	-7.0

The best time to visit Dedham Island during the most sunny months:

The largest precipitation sum in Dedham Island is at

January — 163(mm)

July — 200(mm)

September — 201(mm)

December — 171(mm)

When is the best time to visit Dedham Island?

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

What is the weather like in Dedham Island?

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

How many sunny days does Dedham Island have?

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