May weather forecast
Durham, NH

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Weather in May

Moving into May, Durham continues to enjoy the warmth and beauty of spring. Compared to the previous month's moderate conditions, May's temperatures climb higher. As for noteworthy conditions, May records the lowest rainfall at 2.01" (51mm), making it one of the driest months. Residents can expect more sunshine-filled days, offering plenty of opportunities for outdoor activities. The landscapes flourish, painting Durham in vivid spring colors, much to the delight of its residents.

Temperature

May brings a rise in Durham's average high-temperature, moving from a fresh 51.6°F (10.9°C) in April to an enjoyable 62.2°F (16.8°C). In Durham, May's nights observe an average temperature dip to a chilly 47.1°F (8.4°C).

Humidity

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

Rainfall

In Durham, in May, during 15 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Durham, during the entire year, the rain falls for 144.8 days and collects up to 27.24" (692mm) of precipitation.

Snowfall

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

Daylight

In May, the average length of the day is 14h and 41min.
On the first day of May in Durham, New Hampshire, sunrise is at 5:36 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:06 am and sunset at 8:16 pm EDT.

Sunshine

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

UV index

The average daily maximum UV index in May is 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 maximum daily UV index, 5 in May, converts into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in Durham?

May temperatures in Durham vary between a high-temperature of 62.2°F (16.8°C) and a low-temperature of 47.1°F (8.4°C).

What is the average humidity in May in Durham?

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

How many days does it rain in May in Durham?

In Durham, New Hampshire, in May, it is raining for 15 days, with typically 2.01" (51mm) of accumulated precipitation.

When it does not snow in Durham?

May through September are months without snowfall in Durham.

Does it snow in Durham in May?

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

How many hours of daylight does Durham have in May?

In Durham, New Hampshire, the average day length in May is 14h and 41min.

When are sunrise and sunset in May in Durham?

On the first day of May in Durham, sunrise is at 5:36 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:06 am and sunset at 8:16 pm EDT.

How long on average sun shines in May in Durham?

The average sunshine duration in May in Durham 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 moderate health threat from unsafe exposure to Sun's UV rays.
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
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).

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).

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).

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%).

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").

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).

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").

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).

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 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 2min

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
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).

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).

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).

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).

Durham, New Hampshire, USA

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