May weather forecastNahant, MA
May
Weather in May
The last month of the spring, May, is an enjoyable month in Nahant, Massachusetts, with temperature in the range of an average low of 49.8°F (9.9°C) and an average high of 64.8°F (18.2°C).Temperature
The arrival of May signals an increase in the average high-temperature, moving from a cool 54.1°F (12.3°C) in April to a refreshing 64.8°F (18.2°C). Nahant's average low-temperature during May nights is observed to be a frosty 49.8°F (9.9°C).Humidity
In May, the average relative humidity is 73%.Rainfall
In Nahant, during May, the rain falls for 15.4 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Nahant, Massachusetts, during the entire year, the rain falls for 144.9 days and collects up to 27.91" (709mm) of precipitation.Snowfall
May through September are months without snowfall.Ocean temperature
In Nahant, the average seawater temperature in May is 49.1°F (9.5°C).Note: While a brief time in 49.1°F (9.5°C) at 55.4°F (13°C) is already bracing, plunging below 50°F (10°C) can severely affect breathing and introduce a cold shock, relying on your physical state.
Daylight
In May, the average length of the day is 14h and 37min.On the first day of the month, sunrise is at 5:37 am and sunset at 7:43 pm. On the last day of May, sunrise is at 5:09 am and sunset at 8:13 pm EDT.
Sunshine
In Nahant, the average sunshine in May is 8.3h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Nahant, MA
- Average high temperature in May: 64.8°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in May: 49.8°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in May
Nahant, MA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Nahant, MA
- Average wind speed in May: 7.9mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in May
Nahant, MA
- Average humidity in May: 73%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (70%).
Average rainfall in May
Nahant, MA
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in May
Nahant, MA
- Average rainfall days in May: 15.4 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in May
Nahant, MA
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Nahant, MA
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in May
Nahant, MA
- Average sea temperature in May: 49°F
The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).
Average daylight in May /
Average sunshine in May
Nahant, MA
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in May
Nahant, MA
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in May
Nahant, MA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Nahant, MA
- Average cloud cover in May: 46
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Nahant, MA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





