April weather forecastLondonderry, NH
April
Weather in April
April’s weather is an embodiment of spring’s mildness in Londonderry. Temperatures continue to climb, and daylight persists for longer hours, uplifting the mood of the city. Rain showers persist and humidity remains moderate. The highlight of this month is the considerably increased temperature scale from 37.4°F (3°C) to 55°F (12.8°C). As May approaches, anticipate the climate to continue its ascent towards the pinnacle of summer, bringing a renewed air of warmth and excitement.Temperature
With the transition into April, Londonderry experiences an increase in average high-temperatures, moving up from an icy 41.2°F (5.1°C) in March to a fresh 55°F (12.8°C). Nightly temperatures drop to an average low of 37.4°F (3°C) in April.Humidity
April is the least humid month, with an average relative humidity of 72%.Rainfall
In April, in Londonderry, the rain falls for 9.8 days. Throughout April, 1.06" (27mm) of precipitation is accumulated. In Londonderry, during the entire year, the rain falls for 104.4 days and collects up to 12.95" (329mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Londonderry. In Londonderry, during April, snow falls for 1.1 days and regularly aggregates up to 0.91" (23mm) of snow. Throughout the year, in Londonderry, there are 26.1 snowfall days, and 11.54" (293mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 25min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:12 pm. On the last day of April, sunrise is at 5:39 am and sunset at 7:45 pm EDT.
Sunshine
In April, the average sunshine in Londonderry is 8.1h.UV index
The average daily maximum UV index in April in Londonderry is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Londonderry, NH
- Average high temperature in April: 55°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in April: 37.4°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in April
Londonderry, NH
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Londonderry, NH
- Average wind speed in April: 7.6mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in April
Londonderry, NH
- Average humidity in April: 72%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).
Average rainfall in April
Londonderry, NH
- Average rainfall in April: 1.06"
The wettest month (with the highest rainfall) is October (1.38").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in April
Londonderry, NH
- Average rainfall days in April: 9.8 days
The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in April
Londonderry, NH
- Average snowfall in April: 0.91"
The month with the highest snowfall is December (2.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Londonderry, NH
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Londonderry, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in April
Londonderry, NH
- Average sunshine days in April: 18.3 days
The months with the most sunshine days are January and December (21.3 days).
The month with the least sunshine days is June (16.7 days).
Average UV index in April
Londonderry, NH
- Average UV index in April: 3
The months with the highest UV index are June, 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
Londonderry, NH
- Average cloud cover in April: 47
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in April
Londonderry, NH
- Average visibility in April: 6mi
The months with the highest visibility are January, April, November and December (6mi).
The months with the lowest visibility are February, March, May, June, July, August, September and October (5mi).
