Weather in Massachusetts, United States in May

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Visiting Massachusetts, United States in May

May has average maximum temperatures of 17°C (63°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 44.7% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.5 hours of sunshine per day. May has total rainfall of 9.3cm (3.7inches) making it mostly dry with only intermittent light showers. There are only 14.8 days with some rainfall so you can still enjoy the beach on the majority of days. It is not a good time for sunbathing in Massachusetts. Sea temperatures are a cold 11°C (52°F). May is too cold for swimming in Massachusetts for any length of time, unless you have a wetsuit.

Consider visiting Massachusetts in the months of June, July, August, September, for the best beach weather.

Also consider one of our other suggestions for May.

Can you sunbathe in Massachusetts in May?

No, May is not a good time for sunbathing in Massachusetts.

May has average maximum temperatures of 17°C (63°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 44.7% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.5 hours of sunshine per day. May has total rainfall of 9.3cm (3.7inches) making it mostly dry with only intermittent light showers. There are only 14.8 days with some rainfall so you can still enjoy the beach on the majority of days.

More about May temperature and sunshine.

Can you swim in Massachusetts in May?

No, May is too cold for swimming in Massachusetts for any length of time, with the sea water at 11°C (52°F), unless you have a wetsuit.

More about May sea temperatures.

Is May a good time to holiday in Massachusetts?

Yes, May is a slightly cool time for a holiday in Massachusetts.

May has average maximum temperatures of 17°C (63°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 44.7% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.5 hours of sunshine per day. May has total rainfall of 9.3cm (3.7inches) making it mostly dry with only intermittent light showers. There are only 14.8 days with some rainfall so you can still enjoy the beach on the majority of days. It is not a good time for sunbathing in Massachusetts. Sea temperatures are a cold 11°C (52°F). May is too cold for swimming in Massachusetts for any length of time, unless you have a wetsuit.

More about the May temperatures and sunshine.

Is Massachusetts warm in May?

No, Massachusetts is not that warm but sunbathing may be possible on some clear days in May.

The average maximum temperature in Massachusetts in May is 17°C (63°F). The average maximum temperature is 13°C (55°) in the previous month and 22°C (72°F) in the next month.

The average temperature in Massachusetts in May is 13°C (55°F). The average temperature is 8°C (47°F) in the previous month and 18°C (64°F) in the next month.

More info about the May temperatures and sunshine.

How sunny is Massachusetts in May?

The average day light hours per day in Massachusetts in May are 14.6. The sunshine percentage is 44.7% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.5 hours of sunshine per day.

More about May sunshine.

Temperature in Massachusetts in May

The average maximum temperature in Massachusetts in May is 17°C (63°F). The average maximum temperature is 13°C (55°F) in the previous month and 22°C (72°F) in the next month.

The average temperature in Massachusetts in May is 13°C (55°F). The average temperature is 8°C (47°F) in the previous month and 18°C (64°F) in the next month.

The average minimum temperature in Massachusetts in May is 9°C (49°F). The minimum temperature is 4°C (40°F) in the previous month and 14°C (57°F) in the next month.

Sunshine in Massachusetts in May

During May the average day light hours are 14.6 per day in Massachusetts. The sunshine percentage is 44.7% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.5 hours of sunshine per day.

The ultraviolet index in Massachusetts in May is typically 8.4 during May. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Massachusetts in May

The average sea water temperature in Massachusetts in May is 10.9°C (51.6°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

Rainfall in Massachusetts in May

The average total rainfall in Massachusetts in May is 9.3cm (3.7inches) and on average there are 14.8 rainy days in May making it a pretty wet time to visit the beach.

Humidity in Massachusetts in May

The maximum dew point (an indicator of humidity) in Massachusetts in May is 11°C (52°F) which is very comfortable. The dew point is 6°C (43°F) in the previous month and 16°C (16°F) in the next month.

The average maximum relative humidity in Massachusetts in May is typically 93.4%. The maximum relative humidity is 89.6% in the previous month and 94.5% in the next month.

The average relative humidity in Massachusetts in May is typically 78.5%. The average relative humidity is 72.7% in the previous month and 81.2% in the next month.

Wind Speed in Massachusetts in May

The average maximum wind speed in Massachusetts in May is typically 24KM/H (15MPH). The average maximum wind speed is 27KM/H (17MPH) in the previous month and 22KM/H (14MPH) in the next month.

The average wind speed in Massachusetts in May is typically 13KM/H (8MPH). The average wind speed is 14KM/H (9MPH) in the previous month and 12KM/H (7MPH) in the next month.

The average wind direction in Massachusetts in May is from the South West.

Monthly Averages

Suggested Beaches in May

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