May weather forecast
Somersworth, NH

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Weather in May

May ushers in one of Somersworth's most delightful periods. The previously crisp temperatures of 36.3°F (2.4°C) become a fading memory, as the mercury rises to a comfortable 46.2°F (7.9°C). It's a time where the city truly starts to shake off the drab hues of winter, and blossoms in a spectacle of vibrant colours. Spring truly takes command in May with its characteristic blend of moderate temperatures, blooming flora and fauna, and invitingly warm rays of sunshine.

Temperature

May brings a rise in the average high-temperature, transitioning from April's fresh 52°F (11.1°C) to a refreshing 63.1°F (17.3°C). May in Somersworth witnesses an average low-temperature hovering around a chilly 46.2°F (7.9°C).

Humidity

In May, the average relative humidity is 77%.

Rainfall

In Somersworth, in May, during 15.1 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Somersworth, during the entire year, the rain falls for 143.1 days and collects up to 29.06" (738mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Somersworth. May is the last month it regularly snows. During 0.1 snowfall days, in May, Somersworth aggregates 0.28" (7mm) of snow. Throughout the year, there are 40 snowfall days, and 27.8" (706mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 42min.
On the first day of May in Somersworth, New Hampshire, sunrise is at 5:35 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:06 am and sunset at 8:16 pm EDT.

Sunshine

In May, the average sunshine in Somersworth, New Hampshire, is 8.2h.

UV index

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 5 during May translates into the following guidance:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in Somersworth?

The average high-temperature, in May, in Somersworth, is 63.1°F (17.3°C), while the average low-temperature is 46.2°F (7.9°C).

What is the average humidity in May in Somersworth?

In May, the average relative humidity in Somersworth, New Hampshire, is 77%.

How much does it rain in Somersworth in May?

In May, the rain falls for 15.1 days. Throughout May, 2.13" (54mm) of precipitation is accumulated.

What is the last month it snows in Somersworth?

May is the last month it regularly snows in Somersworth. During 0.1 snowfall days, in May, Somersworth aggregates 0.28" (7mm) of snow.

How many hours of daylight does Somersworth have in May?

The average day length in May is 14h and 42min.

What time are sunrise and sunset in May in Somersworth?

In May, on the first day of the month, sunrise is at 5:35 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:06 am and sunset at 8:16 pm EDT.

How many hours of sunshine does Somersworth have in May?

In Somersworth, the average sunshine duration in May is 8.2h.

What is the UV index intensity in May in Somersworth?

In May, the average daily maximum UV index in Somersworth is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Somersworth, NH

Average temperature in May - Somersworth, NH
  • Average high temperature in May: 63.1°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in May: 46.2°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in May
Somersworth, NH

Average pressure in May - Somersworth, 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
Somersworth, NH

Average wind speed in May - Somersworth, NH
  • Average wind speed in May: 6.7mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in May
Somersworth, NH

Average humidity in May - Somersworth, NH
  • Average humidity in May: 77%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is April (75%).

Average rainfall in May
Somersworth, NH

Average rainfall in May - Somersworth, NH
  • Average rainfall in May: 2.13"

The wettest months (with the highest rainfall) are October and December (3.11").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in May
Somersworth, NH

Average rainfall days in May - Somersworth, NH
  • Average rainfall days in May: 15.1 days

The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (6.8 days).

Average snowfall in May
Somersworth, NH

Average snowfall in May - Somersworth, NH
  • Average snowfall in May: 0.28"

The month with the highest snowfall is December (6.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Somersworth, NH

Average snowfall days in May - Somersworth, NH
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Somersworth, NH

Average daylight in May / Average sunshine in May - Somersworth, NH
  • Average daylight in May: 14h and 4min

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 0min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in May
Somersworth, NH

Average sunshine days in May - Somersworth, 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 (13.3 days).

Average UV index in May
Somersworth, NH

Average UV index in May - Somersworth, 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
Somersworth, NH

Average cloud cover in May - Somersworth, NH
  • Average cloud cover in May: 47

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in May
Somersworth, NH

Average visibility in May - Somersworth, NH
  • Average visibility in May: 5mi

The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).

Somersworth, New Hampshire, USA

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