April weather forecastNassau, DE
April
Weather in April
April in Nassau, Delaware, is a moderate spring month, with an average temperature fluctuating between 57.6°F (14.2°C) and 48.6°F (9.2°C).Temperature
With the onset of April, Nassau's average high-temperature experiences a rise, moving from March's frosty 47.8°F (8.8°C) to a moderate 57.6°F (14.2°C). April nights in Nassau register a minor temperature decline, steadying at a frosty 48.6°F (9.2°C).Humidity
The average relative humidity in April is 76%.Rainfall
In April, the rain falls for 15.6 days. Throughout April, 2.56" (65mm) of precipitation is accumulated. In Nassau, during the entire year, the rain falls for 173.6 days and collects up to 36.97" (939mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in April in Nassau, Delaware, is 13h and 14min.On the first day of April, sunrise is at 6:44 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:52 pm EDT.
Sunshine
The average sunshine in April in Nassau is 9h.UV index
In Nassau, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In April, the maximum UV index of 4 transforms into these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Around midday, solar radiation is most harmful; hence, exposure should be limited. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Nassau, DE
- Average high temperature in April: 57.6°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in April: 48.6°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in April
Nassau, DE
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Nassau, DE
- Average wind speed in April: 11.9mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in April
Nassau, DE
- Average humidity in April: 76%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in April
Nassau, DE
- Average rainfall in April: 2.56"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.2").
Average rainfall days in April
Nassau, DE
- Average rainfall days in April: 15.6 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (9.6 days).
Average snowfall in April
Nassau, DE
- Average snowfall in April: 0"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Nassau, DE
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Nassau, DE
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 9h
The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is February (Average sunshine: 5h).
Average sunshine days in April
Nassau, DE
- Average sunshine days in April: 12.8 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in April
Nassau, DE
- 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 and December (UV index 2).
Average cloud cover in April
Nassau, DE
- Average cloud cover in April: 39
The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in April
Nassau, DE
- 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).
