April weather forecastDurham, NH
April
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 Durham, the average high-temperature in April increases from a wintry 40.3°F (4.6°C) in March to a fresh 51.6°F (10.9°C). Nighttime temperatures in April average to a cold 37.8°F (3.2°C).Humidity
The months with the lowest humidity in Durham are April and November, with an average relative humidity of 75%.Rainfall
In Durham, in April, it is raining for 14.1 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, there are 144.8 rainfall days, and 27.24" (692mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. 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, there are 35.1 snowfall days, and 18.78" (477mm) of snow is accumulated.Daylight
In April, the average length of the day 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
The average sunshine in April is 8.1h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 3 in April, converts into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. It's recommended to limit sun exposure when its radiation is at its peak during midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 13h and 24min
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 6min
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: 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: 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: 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: 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).
