April weather forecast
Durham, NH

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Weather in April

In April, Durham witnesses very clear signs of Spring. Compared to March, April promises milder temperatures and more sunshine hours. The month, however, can be quite humid, with relative humidity marked at 75%. The occurrence of snowfall reduces significantly, allowing spring flowers to bloom in full. However, despite the arrival of spring, late frost is still a possibility, keeping locals on their toes.

Temperature

In April, the average high-temperature in Durham, New Hampshire, increases from a cold 40.3°F (4.6°C) in March to a fresh 51.6°F (10.9°C). In Durham, in April, the average low-temperature is a wintry 37.8°F (3.2°C).

Humidity

April and November, with an average relative humidity of 75%, are the least humid months.

Rainfall

In Durham, New Hampshire, during April, the rain falls for 14.1 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, there are 144.8 rainfall days, and 27.24" (692mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Durham, New Hampshire, are January through April, October through December. April is the last month it regularly snows. During 1.6 snowfall days, in April, Durham aggregates 1.57" (40mm) of snow. Throughout the year, in Durham, there are 35.1 snowfall days, and 18.78" (477mm) of snow is accumulated.

Daylight

In April, the average length of the day in Durham is 13h and 26min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:10 pm. On the last day of April, sunrise is at 5:37 am and sunset at 7:44 pm EDT.

Sunshine

In April, the average sunshine is 8.1h.

UV index

In Durham, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 3 in April transforms into the following instructions:
Guard yourself - Avoiding sunburn is suggested. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Feb 13, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are April temperatures in Durham?

In April, in Durham, the average high-temperature is 51.6°F (10.9°C), and the average low-temperature is 37.8°F (3.2°C).

What are the least humid months in Durham?

April and November, with an average relative humidity of 75%, are the least humid months.

What is the average humidity in April in Durham?

The average relative humidity in April is 75%.

How much does it rain in Durham in April?

In Durham, New Hampshire, in April, during 14.1 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

What is the last month it snows in Durham?

April is the last month it regularly snows in Durham. During 1.6 snowfall days, in April, Durham aggregates 1.57" (40mm) of snow.

What is the average length of the day in April in Durham?

The average day length in April is 13h and 26min.

What time are sunrise and sunset in April in Durham?

In April, on the first day of the month, sunrise is at 6:24 am and sunset at 7:10 pm. On the last day of the month, in Durham, sunrise is at 5:37 am and sunset at 7:44 pm EDT.

How long on average sun shines in April in Durham?

The average sunshine duration in April in Durham is 8.1h.

How high is the UV index in April in Durham?

In April, the average daily maximum UV index in Durham is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
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 April
Durham, NH

Average temperature in April - Durham, NH
  • Average high temperature in April: 51.6°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 April: 37.8°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 April
Durham, NH

Average pressure in April - Durham, NH
  • Average pressure in April: 29.96"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 April
Durham, NH

Average wind speed in April - Durham, NH
  • Average wind speed in April: 8.9mph

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 April
Durham, NH

Average humidity in April - Durham, NH
  • Average humidity in April: 75%

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 April
Durham, NH

Average rainfall in April - Durham, NH
  • Average rainfall in April: 2.52"

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 April
Durham, NH

Average rainfall days in April - Durham, NH
  • Average rainfall days in April: 14.1 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 April
Durham, NH

Average snowfall in April - Durham, NH
  • Average snowfall in April: 1.57"

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 April
Durham, NH

Average snowfall days in April - Durham, NH
  • Average snowfall days in April: 1.6 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 April /
Average sunshine in April
Durham, NH

Average daylight in April / Average sunshine in April - Durham, NH
  • Average daylight in April: 13h and 2min

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 April: 8h and 1min

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 April
Durham, NH

Average sunshine days in April - Durham, NH
  • Average sunshine days in April: 13.2 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 April
Durham, NH

Average UV index in April - Durham, NH
  • Average UV index in April: 3

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 April
Durham, NH

Average cloud cover in April - Durham, NH
  • Average cloud cover in April: 47

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 April
Durham, NH

Average visibility in April - Durham, NH
  • Average visibility in April: 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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