Best year time to visit Dedham

General weather information about Dedham

Average annual temperature is 11.5 °C

Absolute maximum temperature: 34.7 °C

Absolute minimum temperature: -24.3 °C

Number of sunny days: 157

Number of rainy days: 197

Number of snow days: 11

Average annual precipitation: 1480 mm

Look at detailed online map of Dedham

* Weather data for Dedham United States is based on climate observations for 2023 year

Dedham air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 12.8 16.2 15 30.2 29.7 32.5 33 29.9 34.7 28.1 18.8 15.6
Average daytime temperature (°C) 6.5 6.5 8.6 16.3 21.2 23.8 28.8 26.3 23.3 19.1 9.5 8.1
Average temperature (°C) 2.6 1.2 3.8 10.3 14.6 18.1 23.7 21.1 18.7 13.9 4.4 3.7
Average night temperature (°C) -0.8 -3.5 -0.6 5.6 8.9 13.7 19.4 16.9 15 10 0.5 0.5
Absolute minimum temperature (°C) -6.4 -24.3 -4.6 -3 2.5 7.5 14.2 12.5 7.3 2.6 -5.2 -7

Dedham monthly weather indicators

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight maximum duration (h) 10 11.2 12.7 14 15 15.3 15.2 14.5 13.2 11.8 10.4 9.3
Daylight mean duration (h) 9.5 10.6 11.9 13.4 14.6 15.2 14.9 13.9 12.5 11.1 9.8 9.2
Daylight minimum duration (h) 9.2 10 11.2 12.7 14.1 15.1 14.5 13.2 11.8 10.4 9.4 9.1
Sunshine mean duration (h) 5.9 7 8.1 9.5 12 9.3 11 9.2 8.7 8.9 7.3 6.5
Precipitation (mm) 163 47 129 68 71 133 198 157 209 93 46 165
Sunny days 10 12 14 15 20 4 5 11 11 17 22 16
Rainy days 17 12 16 15 11 26 26 20 19 14 7 14
Snow days 4 4 1 1 1

Dedham - weather forecast by months

January February March April May June July August September October November December

Best time to visit Dedham:

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

  • May — 12(h)
  • July — 11(h)

The largest precipitation sum in Dedham is at

  • January — 163(mm)
  • July — 198(mm)
  • August — 157(mm)
  • September — 209(mm)
  • December — 165(mm)

Weather forecast in the closest to Dedham admin centers