Dedham Weather in May
May is one of the perfect months to visit Dedham, with daytime temperatures of 21°C (70°F) and lows of 9°C (48°F) at night. Do note that quite a bit of rainfall is typical, averaging around 93 mm (3.7 in).
Rainfall in Dedham in May
Historically, May sees about 13 days of rain, with a monthly average of 93 mm (3.7 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Dedham in May
If you're visiting Dedham in May, expect perfect temperatures with highs of 21°C (70°F) and overnight lows of 9°C (48°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Dedham in May
The city usually sees around 301 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Wind Speed in Dedham in May
Average wind conditions reach 6 m/s (12 knots) in May. This creates notably windy weather that is clearly felt and can influence daily activities. Keep in mind this is an average. Some days are less intense, while others can be quite gusty.
Average water temperature in May
The water temperature is only 9°C (48°F) this month — cold enough that most people will want to stay out. Hardy swimmers may manage a quick dip, but it won't be comfortable.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, July and September typically offer the best weather for Dedham.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Dedham's climate page.
Dedham Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
21°C (70°F)
Water Temperature
9°C (48°F) *
Chance of Rain
44%
Precipitation
93 mm (3.7 in)
Rainy days
13 days
Humidity
67% *
Windspeed
6 m/s (12 knots) *
Sunshine
301 hours *
Percentage Sunshine
59% *
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Dedham in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Expect water temperatures of around 9°C (48°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Dedham in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Dedham's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Dedham climate overview or explore weather in the United States of America.
