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
The transition from March to April brings a temperature rise, with average high-temperatures increasing from a chilly 47.7°F (8.7°C) to a refreshing 56.8°F (13.8°C). April brings Johnsontown a consistent average low-temperature of 46.6°F (8.1°C).Humidity
The months with the lowest humidity are January, March, April and November, with an average relative humidity of 74%.Rainfall
In Johnsontown, in April, it is raining for 8.6 days, with typically 0.59" (15mm) of accumulated precipitation. In Johnsontown, during the entire year, the rain falls for 86.1 days and collects up to 6.69" (170mm) of precipitation.Snowfall
April through November are months without snowfall in Johnsontown.Daylight
In Johnsontown, New Jersey, the average length of the day in April is 13h and 16min.On the first day of April, sunrise is at 6:40 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 7:51 pm EDT.
Sunshine
The average sunshine in April is 8.7h.UV index
In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 4 in April translates into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Johnsontown in April?
What are the least humid months?
What is the average humidity in April?
How much does it rain in April?
When it does not snow in Johnsontown?
Does it snow in April?
How many hours of daylight does Johnsontown have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Johnsontown have in April?
What is the UV index reading in April?
Average temperature in April
Johnsontown, NJ
- Average high temperature in April: 56.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in April: 46.6°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in April
Johnsontown, NJ
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Johnsontown, NJ
- Average wind speed in April: 11.2mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (8mph).
Average humidity in April
Johnsontown, NJ
- Average humidity in April: 74%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in April
Johnsontown, NJ
- Average rainfall in April: 0.59"
The wettest month (with the highest rainfall) is December (0.75").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in April
Johnsontown, NJ
- Average rainfall days in April: 8.6 days
The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in April
Johnsontown, NJ
- Average snowfall in April: 0"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in April
Johnsontown, NJ
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Johnsontown, NJ
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in April
Johnsontown, NJ
- Average sunshine days in April: 20 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is August (18.2 days).
Average UV index in April
Johnsontown, NJ
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in April
Johnsontown, NJ
- Average cloud cover in April: 41
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in April
Johnsontown, 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).
Johnsontown, New Jersey, USA
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