May weather forecast
Greenland, NH

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Weather in May

The last month of the spring, May, is a comfortable month in Greenland, New Hampshire, with an average temperature fluctuating between 61°F (16.1°C) and 48°F (8.9°C).

Temperature

May's onset brings a rise in the average high-temperature, moving from a fresh 51.1°F (10.6°C) in April to an enjoyable 61°F (16.1°C). In the month of May, the average low-temperature in Greenland usually rests at a chilly 48°F (8.9°C).

Humidity

In Greenland, the average relative humidity in May is 78%.

Rainfall

In May, the rain falls for 14.8 days. Throughout May, 1.97" (50mm) of precipitation is accumulated. Throughout the year, there are 144.2 rainfall days, and 27.48" (698mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Greenland, the average length of the day in May is 14h and 41min.
On the first day of May, sunrise is at 5:35 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:06 am and sunset at 8:15 pm EDT.

Sunshine

In May, the average sunshine is 8.5h.

UV index

The average daily maximum UV index in May in Greenland is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, an average UV index of 5 transforms into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Updated: Jun 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

The high-temperature during May is 61°F (16.1°C) and the low-temperature is 48°F (8.9°C).

What is the average humidity in May?

The average relative humidity in May is 78%.

How much does it rain in May?

In May, the rain falls for 14.8 days. Throughout May, 1.97" (50mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May?

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

When are sunrise and sunset in May?

On the first day of May in Greenland, sunrise is at 5:35 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:06 am and sunset at 8:15 pm EDT.

How many hours of sunshine does Greenland have in May?

The average sunshine duration in May is 8.5h.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Greenland, NH

Average temperature in May - Greenland, NH
  • Average high temperature in May: 61°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in May: 48°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in May
Greenland, NH

Average pressure in May - Greenland, 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).

Average wind speed in May
Greenland, NH

Average wind speed in May - Greenland, NH
  • Average wind speed in May: 8mph

The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in May
Greenland, NH

Average humidity in May - Greenland, NH
  • Average humidity in May: 78%

The month with the highest relative humidity is June (80%).
The months with the lowest relative humidity are April and November (75%).

Average rainfall in May
Greenland, NH

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

The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in May
Greenland, NH

Average rainfall days in May - Greenland, NH
  • Average rainfall days in May: 14.8 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (7.5 days).

Average snowfall in May
Greenland, NH

Average snowfall in May - Greenland, NH
  • Average snowfall in May: 0"

The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Greenland, NH

Average snowfall days in May - Greenland, NH
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Greenland, 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 3min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in May
Greenland, NH

Average sunshine days in May - Greenland, NH
  • Average sunshine days in May: 14.8 days

The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is April (13.2 days).

Average UV index in May
Greenland, NH

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

Average cloud cover in May
Greenland, NH

Average cloud cover in May - Greenland, 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 29).

Average visibility in May
Greenland, NH

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

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

Greenland, New Hampshire, USA

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