May weather forecastNorth Hampton, NH
May
Weather in May
May marks the advent of warmer weather, the temperatures pitching between a comfortable range, enhancing enjoyment of outdoor activities. The complete absence of snowfall risk reflects the firm establishment of the spring season. An increase in sea temperatures prompts consideration of activities related to watersports. However, the steady rise in humidity and rainfall cautions against potential dampness and related inconveniences. The surge in daylight hours could promote a more active lifestyle.Temperature
North Hampton sees a rise in temperature during May, with average high-temperatures transitioning from a cool 51.4°F (10.8°C) in April to an enjoyable 61°F (16.1°C). North Hampton experiences a mean temperature of 48.4°F (9.1°C) during May nights.Humidity
In North Hampton, the average relative humidity in May is 78%.Rainfall
In May, the rain falls for 15.4 days. Throughout May, 1.93" (49mm) of precipitation is accumulated. Throughout the year, in North Hampton, New Hampshire, there are 146.5 rainfall days, and 27.52" (699mm) of precipitation is accumulated.Snowfall
In North Hampton, snow does not fall in May through September.Ocean temperature
In North Hampton, in May, the average water temperature is 48°F (8.9°C).Note: Caution: 48°F (8.9°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing.
Daylight
The average length of the day in May in North Hampton, New Hampshire, is 14h and 40min.On the first day of the month, sunrise is at 5:36 am and sunset at 7:44 pm. On the last day of May, sunrise is at 5:07 am and sunset at 8:15 pm EDT.
Sunshine
In May, the average sunshine in North Hampton is 8.5h.UV index
The average daily maximum UV index in May in North Hampton, New Hampshire, is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
North Hampton, NH
- Average high temperature in May: 61°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in May: 48.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in May
North Hampton, NH
- Average pressure in May: 30"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
North Hampton, NH
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in May
North Hampton, NH
- Average humidity in May: 78%
The months with the highest relative humidity are June and July (79%).
The month with the lowest relative humidity is November (74%).
Average rainfall in May
North Hampton, NH
- Average rainfall in May: 1.93"
The wettest months (with the highest rainfall) are October and December (2.83").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in May
North Hampton, NH
- 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 (7.7 days).
Average snowfall in May
North Hampton, NH
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
North Hampton, NH
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (8.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in May
North Hampton, NH
- Average sea temperature in May: 48°F
The best month for swimming (with the highest average sea temperature) is August (66.4°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).
Average daylight in May /
Average sunshine in May
North Hampton, NH
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in May
North Hampton, NH
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is April (13.1 days).
Average UV index in May
North Hampton, NH
- Average UV index in May: 5
The months with the highest UV index are 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
North Hampton, NH
- Average cloud cover in May: 45
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
North Hampton, NH
- 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).





