May weather forecast
Lempster, NH

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Weather in May

The last month of the spring, May, is a comfortable month in Lempster, New Hampshire, with an average temperature fluctuating between 64.9°F (18.3°C) and 44.4°F (6.9°C).

Temperature

With the onset of May, Lempster's average high-temperature experiences a rise, moving from April's fresh 50.9°F (10.5°C) to a comfortable 64.9°F (18.3°C). The average temperature during May nights dips to a frosty 44.4°F (6.9°C).

Humidity

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

Rainfall

In Lempster, in May, it is raining for 16 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, in Lempster, there are 153.2 rainfall days, and 29.92" (760mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Lempster are January through May, October through December. May is the last month it regularly snows in Lempster. During 0.6 snowfall days, in May, Lempster aggregates 0.47" (12mm) of snow. In Lempster, during the entire year, snow falls for 65.4 days and aggregates up to 42.72" (1085mm) of snow.

Daylight

The average length of the day in May is 14h and 42min.
On the first day of May, sunrise is at 5:40 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:21 pm EDT.

Sunshine

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

UV index

The months with the highest UV index in Lempster are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 5 in May translates into this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the usual temperature for Lempster in May?

The average high-temperature, in May, in Lempster, is 64.9°F (18.3°C), while the average low-temperature is 44.4°F (6.9°C).

What is the average humidity in May in Lempster?

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

How many days does it rain in May in Lempster?

In Lempster, New Hampshire, in May, it is raining for 16 days, with typically 2.4" (61mm) of accumulated precipitation.

What is the last month it snows in Lempster?

May is the last month it regularly snows. During 0.6 snowfall days, in May, Lempster aggregates 0.47" (12mm) of snow.

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

In Lempster, New Hampshire, the average day length in May is 14h and 42min.

What time are sunrise and sunset in May in Lempster?

In May, on the first day of the month, sunrise is at 5:40 am and sunset at 7:50 pm. On the last day of the month, in Lempster, sunrise is at 5:11 am and sunset at 8:21 pm EDT.

How long on average sun shines in May in Lempster?

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

What are the months with the highest UV index in Lempster?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Lempster.

What is the UV index reading in May in Lempster?

In May, the average daily maximum UV index in Lempster, New Hampshire, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
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
Lempster, NH

Average temperature in May - Lempster, NH
  • Average high temperature in May: 64.9°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (25.9°F).

  • Average low temperature in May: 44.4°F

The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

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Average pressure in May
Lempster, NH

Average pressure in May - Lempster, 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 (29.91"Hg).

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Average wind speed in May
Lempster, NH

Average wind speed in May - Lempster, NH
  • Average wind speed in May: 6.3mph

The windiest months (with the highest average wind speed) are January, February, March and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in May
Lempster, NH

Average humidity in May - Lempster, NH
  • Average humidity in May: 76%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in May
Lempster, NH

Average rainfall in May - Lempster, NH
  • Average rainfall in May: 2.4"

The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in May
Lempster, NH

Average rainfall days in May - Lempster, NH
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (7.9 days).

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Average snowfall in May
Lempster, NH

Average snowfall in May - Lempster, NH
  • Average snowfall in May: 0.47"

The month with the highest snowfall is February (11.18").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Lempster, NH

Average snowfall days in May - Lempster, NH
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is February (14.3 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
Lempster, NH

Average daylight in May / Average sunshine in May - Lempster, 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 6min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

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Average sunshine days in May
Lempster, NH

Average sunshine days in May - Lempster, NH
  • Average sunshine days in May: 12.8 days

The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is February (11.3 days).

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Average UV index in May
Lempster, NH

Average UV index in May - Lempster, NH
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in May
Lempster, NH

Average cloud cover in May - Lempster, NH
  • Average cloud cover in May: 49

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in May
Lempster, NH

Average visibility in May - Lempster, 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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Lempster, New Hampshire, USA

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