April weather forecastChatham, NJ
April
Weather in April
April in Chatham, New Jersey, is a mild spring month, with temperature in the range of an average low of 41.9°F (5.5°C) and an average high of 58.5°F (14.7°C).Temperature
As April arrives, a rise in the average high-temperature is observed, moving from a frosty 46.4°F (8°C) in March to a mild 58.5°F (14.7°C). April nights cool down to an average low-temperature of 41.9°F (5.5°C).Humidity
The months with the lowest humidity are April and August, with an average relative humidity of 74%.Rainfall
In Chatham, during April, the rain falls for 15.8 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 164.2 rainfall days, and 30.67" (779mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Chatham, during April, snow falls for 0.6 days and regularly aggregates up to 0.2" (5mm) of snow. In Chatham, during the entire year, snow falls for 26 days and aggregates up to 11.61" (295mm) of snow.Daylight
The average length of the day in April in Chatham is 13h and 20min.On the first day of April, sunrise is at 6:39 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:53 pm EDT.
Sunshine
In Chatham, the average sunshine in April is 8.1h.UV index
In Chatham, the average daily maximum UV index in April 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 the ordinary person.Note: The average daily UV index of 4 in April transforms into the following instructions:
Make use of precautions - It is urged to ward off sun damage. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Chatham, NJ
- Average high temperature in April: 58.5°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: 41.9°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in April
Chatham, 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
Chatham, NJ
- Average wind speed in April: 8.1mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in April
Chatham, NJ
- Average humidity in April: 74%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are April and August (74%).
Average rainfall in April
Chatham, NJ
- Average rainfall in April: 2.4"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in April
Chatham, NJ
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in April
Chatham, NJ
- Average snowfall in April: 0.2"
The month with the highest snowfall is March (3.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Chatham, NJ
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Chatham, NJ
- Average daylight in April: 13h and 18min
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 6min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in April
Chatham, NJ
- Average sunshine days in April: 11.4 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in April
Chatham, 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
Chatham, NJ
- Average cloud cover in April: 47
The months with the most cloud cover are February and March (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in April
Chatham, NJ
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
