Somerville Weather in May

May in Somerville averages 21°C (70°F) during the day and 10°C (50°F) at night. Quite a bit of rainfall is typical this month, with around 97 mm (3.8 in) on average. An umbrella is a good idea.

Rainfall in Somerville in May

You can expect rain on roughly 13 days based on historical data, averaging 97 mm (3.8 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Somerville in May

May is one of the better months to visit Somerville. Expect 21°C (70°F) during the day and 10°C (50°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Somerville in May

Expect sunny days throughout the month, with an estimated 301 hours of sunshine. This makes it a pleasant time to visit Somerville.

Wind Speed in Somerville 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

With water temperatures around 9°C (48°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

So this is a great month to visit if you prefer dry days with pleasant temperatures.