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
The rise of average high-temperatures is seen in April, with an increase from a frosty 46.9°F (8.3°C) in March to a refreshing 57.9°F (14.4°C). An average temperature of 44.6°F (7°C) marks the nights in April.Humidity
The months with the lowest humidity are March, April, August and November, with an average relative humidity of 73%.Rainfall
In Keyport, in April, it is raining for 14.2 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, there are 153 rainfall days, and 28.7" (729mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Keyport aggregates 0.16" (4mm) of snow. In Keyport, during the entire year, snow falls for 16.9 days and aggregates up to 6.34" (161mm) of snow.Ocean temperature
In Keyport, in April, the average water temperature is 46°F (7.8°C).Note: It is risky to swim in 46°F (7.8°C). Temperatures beneath 50°F (10°C) induce rapid cold shock and hyperventilation.
Daylight
In Keyport, the average length of the day in April is 13h and 19min.On the first day of April, sunrise is at 6:39 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:51 pm EDT.
Sunshine
The average sunshine in April is 8.4h.UV index
In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In April, the maximum UV index of 4 suggests this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. 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 careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Keyport in April?
What are the least humid months?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
What is the water temperature in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Keyport have in April?
What is the UV index intensity in April?
Average temperature in April
Keyport, NJ
- Average high temperature in April: 57.9°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in April: 44.6°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in April
Keyport, NJ
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Keyport, NJ
- Average wind speed in April: 9.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in April
Keyport, NJ
- Average humidity in April: 73%
The months with the highest relative humidity are May and June (77%).
The months with the lowest relative humidity are March, April, August and November (73%).
Average rainfall in April
Keyport, NJ
- Average rainfall in April: 2.17"
The wettest month (with the highest rainfall) is July (3.43").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in April
Keyport, NJ
- Average rainfall days in April: 14.2 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in April
Keyport, NJ
- Average snowfall in April: 0.16"
The month with the highest snowfall is March (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Keyport, NJ
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in April
Keyport, NJ
- Average sea temperature in April: 46°F
The best month for swimming (with the highest average sea temperature) is August (74.8°F).
The coldest month (with the lowest average sea temperature) is February (40.4°F).
Average daylight in April /
Average sunshine in April
Keyport, NJ
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Keyport, NJ
- Average sunshine days in April: 14.3 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in April
Keyport, NJ
- Average UV index in April: 4
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
Keyport, NJ
- Average cloud cover in April: 44
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in April
Keyport, NJ
- 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).
Keyport, New Jersey, USA
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