May weather forecast
Henniker, NH

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Weather in May

The last month of the spring, May, is a refreshing month in Henniker, New Hampshire, with temperature in the range of an average low of 45.1°F and an average high of 65.5°F.

Temperature

Entering May, Henniker sees a temperature rise, with the average high-temperature advancing from April's fresh 52.3°F to an enjoyable 65.5°F. In May, Henniker encounters an average low-temperature of 45.1°F during the night.

Humidity

In May, the average relative humidity in Henniker is 75%.

Rainfall

In Henniker, in May, it is raining for 15.8 days, with typically 2.2" of accumulated precipitation. In Henniker, during the entire year, the rain falls for 149.8 days and collects up to 27.95" of precipitation.

Snowfall

January through May, October through December are months with snowfall in Henniker. May is the last month it regularly snows. During 0.4 snowfall days, in May, Henniker aggregates 0.28" of snow. In Henniker, during the entire year, snow falls for 54.7 days and aggregates up to 34.06" of snow.

Daylight

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

Sunshine

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

UV index

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 in May interprets into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Frequently asked questions

What is the usual temperature for Henniker in May?

During May, Henniker experiences an average high-temperature of 65.5°F and a low-temperature of 45.1°F.

What is the average humidity in May in Henniker?

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

How much does it rain in Henniker in May?

In Henniker, in May, during 15.8 rainfall days, 2.2" of precipitation is typically accumulated.

What is the last month it snows in Henniker?

May is the last month it regularly snows in Henniker, New Hampshire. During 0.4 snowfall days, in May, Henniker aggregates 0.28" of snow.

What is the average length of the day in May in Henniker?

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

When is the sunrise / sunset in May in Henniker?

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

How long on average sun shines in May in Henniker?

The average sunshine duration in May is 8.3h.

What is the UV index reading in May in Henniker?

In May, the average daily maximum UV index in Henniker, New Hampshire, is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
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 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 6min).

  • Average sunshine in May: 8h and 2min

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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Henniker, New Hampshire, USA

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