May weather forecast
Henniker, NH

Weather in May

The last month of the spring, May, is an enjoyable month in Henniker, New Hampshire, with temperature in the range of an average low of 45.1°F (7.3°C) and an average high of 65.5°F (18.6°C).

Temperature

In Henniker, the average high-temperature in May increases from a cool 52.3°F (11.3°C) in April to an enjoyable 65.5°F (18.6°C). The average low-temperature, in Henniker, New Hampshire, is 45.1°F (7.3°C).

Humidity

The average relative humidity in May is 75%.

Rainfall

In Henniker, in May, it is raining for 15.8 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, in Henniker, there are 149.8 rainfall days, and 27.95" (710mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Henniker are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, Henniker aggregates 0.28" (7mm) of snow. Throughout the year, there are 54.7 snowfall days, and 34.06" (865mm) of snow is accumulated.

Daylight

The average length of the day in May in Henniker is 14h and 41min.
On the first day of the month, sunrise is at 5:40 am and sunset at 7:48 pm. On the last day of May, in Henniker, sunrise is at 5:10 am and sunset at 8:19 pm EDT.

Sunshine

In Henniker, the average sunshine in May is 8.3h.

UV index

In May, the average daily maximum UV index in Henniker, New Hampshire, is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in May transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Henniker?

The average relative humidity in May in Henniker, New Hampshire, is 75%.

How many days does it rain in May in Henniker?

In Henniker, New Hampshire, in May, during 15.8 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

What is the last month it snows in Henniker?

May is the last month it regularly snows in Henniker. During 0.4 snowfall days, in May, Henniker aggregates 0.28" (7mm) of snow.

How many hours of daylight does Henniker have in May?

In Henniker, New Hampshire, the average day length in May is 14h and 41min.

What time are sunrise and sunset in May in Henniker?

On the first day of May in Henniker, sunrise is at 5:40 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 8:19 pm EDT.

How many hours of sunshine does Henniker have in May?

The average sunshine duration in May in Henniker is 8.3h.

How high is the UV index in May in Henniker?

In May, the average daily maximum UV index in Henniker is 5. A UV Index value of 3 to 5 symbolizes 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
Henniker, NH

Average temperature in May - Henniker, NH
  • Average high temperature in May: 65.5°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in May: 45.1°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

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Average pressure in May
Henniker, NH

Average pressure in May - Henniker, NH
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Henniker, NH

Average wind speed in May - Henniker, NH
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in May
Henniker, NH

Average humidity in May - Henniker, NH
  • Average humidity in May: 75%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in May
Henniker, NH

Average rainfall in May - Henniker, NH
  • Average rainfall in May: 2.2"

The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in May
Henniker, NH

Average rainfall days in May - Henniker, NH
  • Average rainfall days in May: 15.8 days

The months with the highest number of rainy days are May and June (15.8 days).
The month with the least rainy days is February (8.1 days).

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Average snowfall in May
Henniker, NH

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

The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Henniker, NH

Average snowfall days in May - Henniker, NH
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is March (12.2 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
Henniker, NH

Average daylight in May / Average sunshine in May - Henniker, NH
  • Average daylight in May: 14h and 41min

The month with the longest days is June (Average daylight: 15h and 20min).
The month with the shortest days is December (Average daylight: 9h and 3min).

  • Average sunshine in May: 8h and 18min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in May
Henniker, NH

Average sunshine days in May - Henniker, NH
  • Average sunshine days in May: 13.1 days

The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is March (11.3 days).

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Average UV index in May
Henniker, NH

Average UV index in May - Henniker, 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, October, November and December (UV index 2).

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Average cloud cover in May
Henniker, NH

Average cloud cover in May - Henniker, NH
  • Average cloud cover in May: 48

The month with the most cloud cover is March (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in May
Henniker, NH

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

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

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