May weather forecast
Errol, NH

Weather in May

May, the last month of the spring in Errol, is a mild month, with an average temperature fluctuating between 40.6°F (4.8°C) and 60.4°F (15.8°C).

Temperature

In Errol, the average high-temperature in May increases considerably from a frosty 44.4°F (6.9°C) in April to a moderate 60.4°F (15.8°C). The average low-temperature, in Errol, is 40.6°F (4.8°C).

Humidity

The least humid month is May, with an average relative humidity of 77%.

Rainfall

In May, the rain falls for 17.8 days. Throughout May, 2.36" (60mm) of precipitation is accumulated. Throughout the year, in Errol, there are 163.8 rainfall days, and 29.69" (754mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 1.1 snowfall days, Errol aggregates 0.67" (17mm) of snow. In Errol, during the entire year, snow falls for 115.1 days and aggregates up to 67.48" (1714mm) of snow.

Daylight

In May, the average length of the day in Errol is 14h and 51min.
On the first day of the month, sunrise is at 5:33 am and sunset at 7:49 pm. On the last day of May, sunrise is at 5:02 am and sunset at 8:22 pm EDT.

Sunshine

In Errol, the average sunshine in May is 7.6h.

UV index

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 in May interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in May in Errol?

In May, in Errol, New Hampshire, the average high-temperature is 60.4°F (15.8°C), and the average low-temperature is 40.6°F (4.8°C).

What is the least humid month in Errol?

The least humid month in Errol, New Hampshire, is May, with an average relative humidity of 77%.

What is the average humidity in May in Errol?

In May, the average relative humidity in Errol, New Hampshire, is 77%.

How much does it rain in Errol in May?

In Errol, during May, the rain falls for 17.8 days and regularly aggregates up to 2.36" (60mm) of precipitation.

What is the last month it snows in Errol?

May is the last month it regularly snows in Errol, New Hampshire. During 1.1 snowfall days, in May, Errol aggregates 0.67" (17mm) of snow.

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

The average day length in May in Errol, New Hampshire, is 14h and 51min.

When is the sunrise / sunset in May in Errol?

In May, on the first day of the month, sunrise is at 5:33 am and sunset at 7:49 pm. On the last day of the month, in Errol, New Hampshire, sunrise is at 5:02 am and sunset at 8:22 pm EDT.

How long on average sun shines in May in Errol?

The average sunshine duration in May is 7.6h.

What is the UV index reading in May in Errol?

In May, the average daily maximum UV index in Errol, New Hampshire, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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
Errol, NH

Average temperature in May - Errol, NH
  • Average high temperature in May: 60.4°F

The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is January (21.2°F).

  • Average low temperature in May: 40.6°F

The month with the highest average low temperature is July (53.4°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).

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Average pressure in May
Errol, NH

Average pressure in May - Errol, NH
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
Errol, NH

Average wind speed in May - Errol, NH
  • Average wind speed in May: 6.4mph

The windiest months (with the highest average wind speed) are February, March and April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in May
Errol, NH

Average humidity in May - Errol, NH
  • Average humidity in May: 77%

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (77%).

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Average rainfall in May
Errol, NH

Average rainfall in May - Errol, NH
  • Average rainfall in May: 2.36"

The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is February (2.17").

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Average rainfall days in May
Errol, NH

Average rainfall days in May - Errol, NH
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (7 days).

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Average snowfall in May
Errol, NH

Average snowfall in May - Errol, NH
  • Average snowfall in May: 0.67"

The month with the highest snowfall is February (13.66").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Errol, NH

Average snowfall days in May - Errol, NH
  • Average snowfall days in May: 1.1 days

The month with the highest number of snowfall days is January (22.8 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
Errol, NH

Average daylight in May / Average sunshine in May - Errol, NH
  • Average daylight in May: 14h and 51min

The month with the longest days is June (Average daylight: 15h and 32min).
The month with the shortest days is December (Average daylight: 8h and 52min).

  • Average sunshine in May: 7h and 36min

The months with the most sunshine are July and August (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).

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Average sunshine days in May
Errol, NH

Average sunshine days in May - Errol, NH
  • Average sunshine days in May: 10.9 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (4.9 days).

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Average UV index in May
Errol, NH

Average UV index in May - Errol, NH
  • Average UV index in May: 4

The months with the highest UV index are June and July (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
Errol, NH

Average cloud cover in May - Errol, NH
  • Average cloud cover in May: 53

The month with the most cloud cover is February (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 44).

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Average visibility in May
Errol, NH

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

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

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