Best year time to visit Dedham

General weather information about Dedham

Average annual temperature is 6.9 °C

Absolute maximum temperature: 35.9 °C

Absolute minimum temperature: -27.7 °C

Number of sunny days: 174 days

Number of rainy days: 145 days

Number of snow days: 46 days

Look at detailed online map of Dedham

* Weather data for Dedham United States is based on climate observations for 2026 year

Dedham air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	3.7	6.8	6.3	21.9	31.3	31.8	32.6	31.4	35.9	29.5	18.2	11.1
Average daytime temperature (°C)	-3.5	-1.8	1.6	8.4	19.6	23.6	25.8	25.4	22.5	13.5	6.0	3.8
Average temperature (°C)	-6.8	-7.1	-3.0	2.8	11.7	16.1	19.8	19.5	17.5	9.5	1.5	0.0
Average night temperature (°C)	-9.7	-11.4	-6.9	-1.1	5.9	10.8	14.7	15.0	13.6	6.6	-1.8	-2.7
Absolute minimum temperature (°C)	-25.6	-27.7	-13.7	-8.3	-1.1	6.4	11.6	7.8	4.3	-5.0	-13.5	-10.6

Dedham monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	11.0	12.0	14.0	15.0	15.0	15.0	14.0	13.0	11.0	10.0	8.0
Daylight mean duration (h)	9.1	10.3	11.9	13.6	15.0	15.8	15.4	14.2	12.6	10.9	9.4	8.6
Daylight minimum duration (h)	8.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	8.0	8.0
Sunshine mean duration (h)	3.5	6.7	6.7	6.9	11.1	12.0	12.2	11.0	7.6	6.2	5.2	4.0
Precipitation (mm)	53	54	66	116	20	63	57	78	170	66	15	80
Sunny days	15	16	13	12	17	15	9	18	10	11	21	17
Rainy days	3	3	6	13	14	15	22	13	20	18	8	10
Snow days	13	9	12	5	0	0	0	0	0	2	1	4

Dedham - weather forecast by months

Dedham weather in january Dedham weather in february Dedham weather in march Dedham weather in april Dedham weather in may Dedham weather in june Dedham weather in july Dedham weather in august Dedham weather in september Dedham weather in october Dedham weather in november Dedham weather in december

Best time to visit Dedham:

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

May — 11.1(h)
June — 12.0(h)
July — 12.2(h)
August — 11.0(h)

Months with the longest average daylight duration in Dedham:

June — 15.8(h)
July — 15.4(h)

The largest precipitation sum in Dedham is at

April — 116(mm)

September — 170(mm)

Weather forecast in the closest to Dedham admin centers