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 sea temperature 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
As April sets in New Castle, the average high-temperature shows an increase, moving up from a cold 40.5°F (4.7°C) in March to a cool 51.1°F (10.6°C). An average nighttime temperature of 38.8°F (3.8°C) is recorded in New Castle during April.Humidity
The months with the lowest humidity are April and November, with an average relative humidity of 75%.Rainfall
In New Castle, during April, the rain falls for 13.8 days and regularly aggregates up to 2.48" (63mm) of precipitation. In New Castle, during the entire year, the rain falls for 144.2 days and collects up to 27.48" (698mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows in New Castle. During 1.4 snowfall days, in April, New Castle aggregates 1.22" (31mm) of snow. In New Castle, during the entire year, snow falls for 35.2 days and aggregates up to 16.97" (431mm) of snow.Ocean temperature
In New Castle, New Hampshire, the average seawater temperature in April is 42.4°F (5.8°C).Note: Swimming in 42.4°F (5.8°C) poses a severe threat. Even short exposure to 55.4°F (13°C) is chilling, and going below 50°F (10°C) can cause breathing irregularities and intense cold shock, based on one's stamina.
Daylight
In New Castle, the average length of the day in April is 13h and 26min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:09 pm. On the last day of April, in New Castle, sunrise is at 5:36 am and sunset at 7:43 pm EDT.
Sunshine
In New Castle, the average sunshine in April is 8.1h.UV index
The average daily maximum UV index in April in New Castle is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 3 during April, leads to the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Boost your sun resistance with garments that are densely woven yet spacious. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What are the temperatures in New Castle in April?
What are the least humid months in New Castle?
What is the average humidity in April in New Castle?
How much does it rain in New Castle in April?
What is the last month it snows in New Castle?
How cold is the water in April in New Castle?
How many hours of daylight does New Castle have in April?
When are sunrise and sunset in April in New Castle?
How many hours of sunshine does New Castle have in April?
What is the UV index intensity in April in New Castle?
Average temperature in April
New Castle, NH
- Average high temperature in April: 51.1°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in April: 38.8°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in April
New Castle, 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
New Castle, NH
- Average wind speed in April: 9.6mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in April
New Castle, NH
- Average humidity in April: 75%
The month with the highest relative humidity is June (80%).
The months with the lowest relative humidity are April and November (75%).
Average rainfall in April
New Castle, NH
- Average rainfall in April: 2.48"
The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in April
New Castle, NH
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in April
New Castle, NH
- Average snowfall in April: 1.22"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
New Castle, NH
- Average snowfall days in April: 1.4 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in April
New Castle, NH
- Average sea temperature in April: 42.4°F
The best month for swimming (with the highest average sea temperature) is August (65.6°F).
The coldest month (with the lowest average sea temperature) is March (38.5°F).
Average daylight in April /
Average sunshine in April
New Castle, 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
New Castle, NH
- Average sunshine days in April: 13.2 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in April
New Castle, 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
New Castle, 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 29).
Average visibility in April
New Castle, 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).
New Castle, New Hampshire, USA
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