May weather forecast
South Effingham, NH

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Weather in May

May, the last month of the spring in South Effingham, is an enjoyable month, with an average temperature fluctuating between 44.1°F (6.7°C) and 63.9°F (17.7°C).

Temperature

The arrival of May brings a temperature shift, with the average high-temperature escalating from a fresh 51.3°F (10.7°C) in April to a comfortable 63.9°F (17.7°C). Throughout the month of May, South Effingham observes an average nighttime temperature of 44.1°F (6.7°C).

Humidity

The average relative humidity in May is 78%.

Rainfall

In South Effingham, in May, during 14.8 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, there are 138 rainfall days, and 30.08" (764mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, South Effingham aggregates 0.43" (11mm) of snow. In South Effingham, during the entire year, snow falls for 48.9 days and aggregates up to 38.15" (969mm) of snow.

Daylight

In May, the average length of the day is 14h and 44min.
On the first day of May, sunrise is at 5:34 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:05 am and sunset at 8:18 pm EDT.

Sunshine

In May, the average sunshine in South Effingham, New Hampshire, is 7.7h.

UV index

The average daily maximum UV index in May in South Effingham is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 4 in May translates into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

What are the temperatures in South Effingham in May?

The high-temperature in South Effingham, New Hampshire, during May is 63.9°F (17.7°C) and the low-temperature is 44.1°F (6.7°C).

What is the average humidity in May in South Effingham?

The average relative humidity in May in South Effingham is 78%.

How much does it rain in South Effingham in May?

In South Effingham, New Hampshire, during May, the rain falls for 14.8 days and regularly aggregates up to 2.24" (57mm) of precipitation.

What is the last month it snows in South Effingham?

May is the last month it regularly snows in South Effingham, New Hampshire. During 0.2 snowfall days, in May, South Effingham aggregates 0.43" (11mm) of snow.

How many hours of daylight does South Effingham have in May?

The average day length in May is 14h and 44min.

When are sunrise and sunset in May in South Effingham?

On the first day of May, sunrise is at 5:34 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:05 am and sunset at 8:18 pm EDT.

How many hours of sunshine does South Effingham have in May?

The average sunshine duration in May is 7.7h.

How high is the UV index in May in South Effingham?

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

Average temperature in May - South Effingham, NH
  • Average high temperature in May: 63.9°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in May: 44.1°F

The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).

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Average pressure in May
South Effingham, NH

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

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
South Effingham, NH

Average wind speed in May - South Effingham, NH
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in May
South Effingham, NH

Average humidity in May - South Effingham, NH
  • Average humidity in May: 78%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and November (77%).

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Average rainfall in May
South Effingham, NH

Average rainfall in May - South Effingham, NH
  • Average rainfall in May: 2.24"

The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in May
South Effingham, NH

Average rainfall days in May - South Effingham, NH
  • Average rainfall days in May: 14.8 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.5 days).

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Average snowfall in May
South Effingham, NH

Average snowfall in May - South Effingham, NH
  • Average snowfall in May: 0.43"

The month with the highest snowfall is February (9.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
South Effingham, NH

Average snowfall days in May - South Effingham, NH
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (11.5 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
South Effingham, NH

Average daylight in May / Average sunshine in May - South Effingham, NH
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in May: 7h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in May
South Effingham, NH

Average sunshine days in May - South Effingham, NH
  • Average sunshine days in May: 14.7 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index in May
South Effingham, NH

Average UV index in May - South Effingham, NH
  • Average UV index in May: 4

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

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Average cloud cover in May
South Effingham, NH

Average cloud cover in May - South Effingham, NH
  • Average cloud cover in May: 50

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in May
South Effingham, NH

Average visibility in May - South Effingham, NH
  • Average visibility in May: 5mi

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

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South Effingham, New Hampshire, USA

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