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
In April, the meteorological conditions change with the average high-temperature moving from a chilly 46.6°F (8.1°C) in March to a refreshing 58.6°F (14.8°C). During April, the average low-temperature is a wintry 41.5°F (5.3°C).Humidity
With an average relative humidity of 75%, April is the least humid month.Rainfall
In Mendham, in April, during 16.4 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. In Mendham, during the entire year, the rain falls for 162.6 days and collects up to 33.11" (841mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Mendham, in April, during 0.8 snowfall days, 0.28" (7mm) of snow is typically accumulated. Throughout the year, in Mendham, there are 28.5 snowfall days, and 14.49" (368mm) of snow is accumulated.Daylight
In Mendham, the average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:23 pm. On the last day of April, sunrise is at 5:56 am and sunset at 7:53 pm EDT.
Sunshine
In April, the average sunshine is 8.2h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 during April translates into the following guidance:
Undertake protective steps - Recommendations to avoid sunburn are issued. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Mendham in April?
What is the least humid month?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in April?
How many hours of daylight does Mendham have in April?
When are sunrise and sunset in April?
How long on average sun shines in April in Mendham?
How high is the UV index in April?
Average temperature in April
Mendham, NJ
- Average high temperature in April: 58.6°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in April: 41.5°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in April
Mendham, 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
Mendham, NJ
- Average wind speed in April: 8mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in April
Mendham, NJ
- Average humidity in April: 75%
The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in April
Mendham, NJ
- Average rainfall in April: 2.91"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in April
Mendham, NJ
- Average rainfall days in April: 16.4 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in April
Mendham, NJ
- Average snowfall in April: 0.28"
The month with the highest snowfall is March (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Mendham, NJ
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Mendham, NJ
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in April
Mendham, NJ
- Average sunshine days in April: 11.8 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in April
Mendham, NJ
- Average UV index in April: 4
The months with the highest UV index are June and July (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
Mendham, NJ
- Average cloud cover in April: 46
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in April
Mendham, NJ
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).
Mendham, New Jersey, USA
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