Dedham Weather in May

May is one of the excellent 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 excellent 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.