May weather forecast
Salem, NH

Weather in May

May, the last month of the spring in Salem, is a comfortable month, with an average temperature varying between 66°F (18.9°C) and 48.7°F (9.3°C).

Temperature

In May, the average high-temperature rises from a cool 54.7°F (12.6°C) in April to a comfortable 66°F (18.9°C). In May, in Salem, the average low-temperature is 48.7°F (9.3°C).

Humidity

The average relative humidity in May in Salem is 73%.

Rainfall

In Salem, it is raining for 15.9 days, with typically 1.97" (50mm) of accumulated precipitation. In Salem, during the entire year, the rain falls for 144 days and collects up to 26.97" (685mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Salem. May is the last month it regularly snows in Salem, New Hampshire. During 0.1 snowfall days, in May, Salem aggregates 0.16" (4mm) of snow. Throughout the year, in Salem, there are 31.9 snowfall days, and 20.94" (532mm) of snow is accumulated.

Ocean temperature

In May, the average ocean temperature in Salem is 48°F (8.9°C).
Note: Swimming in 48°F (8.9°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In Salem, the average length of the day in May is 14h and 40min.
On the first day of the month, sunrise is at 5:38 am and sunset at 7:45 pm. On the last day of May, in Salem, sunrise is at 5:09 am and sunset at 8:15 pm EDT.

Sunshine

In Salem, the average sunshine in May is 8.6h.

UV index

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in May in Salem?

In May, the average relative humidity in Salem is 73%.

How much does it rain in Salem in May?

In Salem, in May, it is raining for 15.9 days, with typically 1.97" (50mm) of accumulated precipitation.

What is the last month it snows in Salem?

May is the last month it regularly snows in Salem, New Hampshire. During 0.1 snowfall days, in May, Salem aggregates 0.16" (4mm) of snow.

How cold is the water in May in Salem?

In Salem, the average seawater temperature in May is 48°F (8.9°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Salem have in May?

In May, the average day length in Salem is 14h and 40min.

What time are sunrise and sunset in May in Salem?

On the first day of May in Salem, sunrise is at 5:38 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:15 pm EDT.

How long on average sun shines in May in Salem?

In Salem, New Hampshire, the average sunshine duration in May is 8.6h.

What is the UV index intensity in May in Salem?

The average daily maximum UV index in May in Salem, New Hampshire, is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Salem, NH

Average temperature in May - Salem, NH
  • Average high temperature in May: 66°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

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Average pressure in May
Salem, NH

Average pressure in May - Salem, 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).

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Average wind speed in May
Salem, NH

Average wind speed in May - Salem, NH
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in May
Salem, NH

Average humidity in May - Salem, NH
  • Average humidity in May: 73%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in May
Salem, NH

Average rainfall in May - Salem, NH
  • Average rainfall in May: 1.97"

The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.3").

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Average rainfall days in May
Salem, NH

Average rainfall days in May - Salem, NH
  • Average rainfall days in May: 15.9 days

The month with the highest number of rainy days is May (15.9 days).
The months with the least rainy days are January and February (7.6 days).

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Average snowfall in May
Salem, NH

Average snowfall in May - Salem, NH
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Salem, NH

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

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in May
Salem, NH

Average sea temperature in May - Salem, 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).

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

Average daylight in May / Average sunshine in May - Salem, NH
  • Average daylight in May: 14h and 40min

The month with the longest days is June (Average daylight: 15h and 17min).
The month with the shortest days is December (Average daylight: 9h and 5min).

  • Average sunshine in May: 8h and 36min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in May
Salem, NH

Average sunshine days in May - Salem, NH
  • Average sunshine days in May: 13.5 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is May (13.5 days).

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Average UV index in May
Salem, NH

Average UV index in May - Salem, NH
  • 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).

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Average cloud cover in May
Salem, NH

Average cloud cover in May - Salem, 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 31).

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Average visibility in May
Salem, NH

Average visibility in May - Salem, NH
  • Average visibility in May: 6mi

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

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