May weather forecast
Durham, NH

Weather in May

May, the last month of the spring in Durham, is a comfortable month, with an average temperature varying between 47.1°F (8.4°C) and 62.2°F (16.8°C).

Temperature

In Durham, the average high-temperature in May rises from a fresh 51.6°F (10.9°C) in April to an enjoyable 62.2°F (16.8°C). In May, in Durham, the average low-temperature is 47.1°F (8.4°C).

Humidity

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

Rainfall

In Durham, during May, the rain falls for 15 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Durham, New Hampshire, during the entire year, the rain falls for 144.8 days and collects up to 27.24" (692mm) of precipitation.

Snowfall

May through September are months without snowfall in Durham.

Daylight

In May, the average length of the day is 14h and 41min.
On the first day of May in Durham, sunrise is at 5:37 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:07 am and sunset at 8:15 pm EDT.

Sunshine

In Durham, the average sunshine in May is 8.4h.

UV index

The average daily maximum UV index in May in Durham is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in May in Durham?

In Durham, New Hampshire, in May, the average high-temperature is 62.2°F (16.8°C), and the average low-temperature is 47.1°F (8.4°C).

What is the average humidity in May in Durham?

The average relative humidity in May in Durham is 78%.

How much does it rain in Durham in May?

In Durham, New Hampshire, in May, during 15 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

When it does not snow in Durham?

In Durham, New Hampshire, snow does not fall in May through September.

Does it snow in Durham in May?

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

How many hours of daylight does Durham have in May?

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

When is the sunrise / sunset in May in Durham?

In May, on the first day of the month, sunrise is at 5:37 am and sunset at 7:44 pm. On the last day of the month, in Durham, sunrise is at 5:07 am and sunset at 8:15 pm EDT.

How many hours of sunshine does Durham have in May?

The average sunshine duration in May is 8.4h.

What is the UV index intensity in May in Durham?

In Durham, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Durham, NH

Average temperature in May - Durham, NH
  • Average high temperature in May: 62.2°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in May: 47.1°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in May
Durham, NH

Average pressure in May - Durham, 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).

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Average wind speed in May
Durham, NH

Average wind speed in May - Durham, NH
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in May
Durham, NH

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

The months with the highest relative humidity are January and February (80%).
The months with the lowest relative humidity are April and November (75%).

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Average rainfall in May
Durham, NH

Average rainfall in May - Durham, NH
  • Average rainfall in May: 2.01"

The wettest months (with the highest rainfall) are October and December (2.87").
The driest month (with the least rainfall) is September (1.46").

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Average rainfall days in May
Durham, NH

Average rainfall days in May - Durham, NH
  • Average rainfall days in May: 15 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (7.6 days).

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Average snowfall in May
Durham, NH

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

The month with the highest snowfall is December (4.53").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Durham, NH

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

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Durham, NH
  • Average daylight in May: 14h and 41min

The month with the longest days is June (Average daylight: 15h and 19min).
The month with the shortest days is December (Average daylight: 9h and 4min).

  • Average sunshine in May: 8h and 24min

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).

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Average sunshine days in May
Durham, NH

Average sunshine days in May - Durham, NH
  • Average sunshine days in May: 14.6 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index in May
Durham, NH

Average UV index in May - Durham, 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).

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Average cloud cover in May
Durham, NH

Average cloud cover in May - Durham, 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 30).

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Average visibility in May
Durham, NH

Average visibility in May - Durham, 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).

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