Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
With the beginning of April, Sullivan's average high-temperature sees an increase, transitioning from a wintry 39.4°F (4.1°C) in March to a fresh 52.9°F (11.6°C). Sullivan's nighttime temperature during April is consistently averaged at an icy 35.1°F (1.7°C).Humidity
The least humid month in Sullivan is April, with an average relative humidity of 74%.Rainfall
In April, the rain falls for 12.5 days. Throughout April, 0.98" (25mm) of precipitation is accumulated. Throughout the year, in Sullivan, there are 125.1 rainfall days, and 11.69" (297mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In April, in Sullivan, it is snowing for 1.8 days. Throughout April, 0.79" (20mm) of snow is accumulated. In Sullivan, during the entire year, snow falls for 39.8 days and aggregates up to 10.2" (259mm) of snow.Daylight
In April, the average length of the day is 13h and 26min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:15 pm. On the last day of April, sunrise is at 5:42 am and sunset at 7:49 pm EDT.
Sunshine
The average sunshine in April is 8h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In April, the maximum UV index of 3 suggests this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the least humid month?
What is the average humidity in April in Sullivan?
How many days does it rain in April?
How much does it snow in April?
What is the average length of the day in April in Sullivan?
When are sunrise and sunset in April?
How many hours of sunshine does Sullivan have in April?
How high is the UV index in April?
Average temperature in April
Sullivan, NH
- Average high temperature in April: 52.9°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in April: 35.1°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in April
Sullivan, NH
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Sullivan, NH
- Average wind speed in April: 7.7mph
The windiest months (with the highest average wind speed) are January, February and March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in April
Sullivan, NH
- Average humidity in April: 74%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in April
Sullivan, NH
- Average rainfall in April: 0.98"
The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is March (0.75").
Average rainfall days in April
Sullivan, NH
- Average rainfall days in April: 12.5 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in April
Sullivan, NH
- Average snowfall in April: 0.79"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Sullivan, NH
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Sullivan, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in April
Sullivan, NH
- Average sunshine days in April: 15.2 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in April
Sullivan, NH
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in April
Sullivan, NH
- Average cloud cover in April: 48
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in April
Sullivan, NH
- Average visibility in April: 6mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Sullivan, New Hampshire, USA
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