May weather forecast
Salem, CT

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Weather in May

May, the last month of the spring in Salem, is a refreshing month, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 50.2°F (10.1°C).

Temperature

Salem, Connecticut, sees an increase in average high-temperatures during May, moving from a moderate 55.6°F (13.1°C) in April to an enjoyable 66.7°F (19.3°C). In May, Salem reports a consistent average low-temperature of 50.2°F (10.1°C) during the nights.

Humidity

In Salem, Connecticut, the average relative humidity in May is 76%.

Rainfall

In Salem, during May, the rain falls for 15.6 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, in Salem, Connecticut, there are 148.6 rainfall days, and 32.76" (832mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in Salem. May is the last month it regularly snows. During 0.2 snowfall days, in May, Salem aggregates 0.35" (9mm) of snow. In Salem, during the entire year, snow falls for 25.4 days and aggregates up to 12.6" (320mm) of snow.

Daylight

In Salem, the average length of the day in May is 14h and 32min.
On the first day of the month, sunrise is at 5:44 am and sunset at 7:47 pm. On the last day of May, sunrise is at 5:17 am and sunset at 8:16 pm EDT.

Sunshine

In Salem, the average sunshine in May is 8.2h.

UV index

In Salem, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 5 during May, leads to the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

What are the temperatures in Salem in May?

In Salem, in May, the average high-temperature is 66.7°F (19.3°C), and the average low-temperature is 50.2°F (10.1°C).

What is the average humidity in May in Salem?

The average relative humidity in May in Salem, Connecticut, is 76%.

How many days does it rain in May in Salem?

In Salem, during May, the rain falls for 15.6 days and regularly aggregates up to 2.6" (66mm) of precipitation.

What is the last month it snows in Salem?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Salem aggregates 0.35" (9mm) of snow.

How many hours of daylight does Salem have in May?

The average day length in May is 14h and 32min.

When is the sunrise / sunset in May in Salem?

In May, on the first day of the month, sunrise is at 5:44 am and sunset at 7:47 pm. On the last day of the month, in Salem, sunrise is at 5:17 am and sunset at 8:16 pm EDT.

How long on average sun shines in May in Salem?

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

How high is the UV index in May in Salem?

In Salem, Connecticut, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Salem, CT

Average temperature in May - Salem, CT
  • Average high temperature in May: 66.7°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in May: 50.2°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in May
Salem, CT

Average pressure in May - Salem, CT
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Salem, CT

Average wind speed in May - Salem, CT
  • Average wind speed in May: 7.3mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

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Average humidity in May
Salem, CT

Average humidity in May - Salem, CT
  • Average humidity in May: 76%

The months with the highest relative humidity are February, June, July and September (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in May
Salem, CT

Average rainfall in May - Salem, CT
  • Average rainfall in May: 2.6"

The wettest month (with the highest rainfall) is December (3.62").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in May
Salem, CT

Average rainfall days in May - Salem, CT
  • Average rainfall days in May: 15.6 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in May
Salem, CT

Average snowfall in May - Salem, CT
  • Average snowfall in May: 0.35"

The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
Salem, CT

Average snowfall days in May - Salem, CT
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Salem, CT
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • 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 December (Average sunshine: 4h and 36min).

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Average sunshine days in May
Salem, CT

Average sunshine days in May - Salem, CT
  • Average sunshine days in May: 13.7 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (13.2 days).

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Average UV index in May
Salem, CT

Average UV index in May - Salem, CT
  • 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, CT

Average cloud cover in May - Salem, CT
  • Average cloud cover in May: 48

The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in May
Salem, CT

Average visibility in May - Salem, CT
  • Average visibility in May: 5mi

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

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Salem, Connecticut, USA

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