April weather forecastHempstead, NY
April
Weather in April
April characterizes Hempstead's transition into spring with noticeably longer daylight hours reaching 13.3, an increase compared to March. The month ushers a significant surge in temperatures, and frosty mornings transform into brisk dawns. April experiences a rainfall total of 0.71" (18mm)—relatively higher than that in March—ushering in fresh blooms and verdant vistas across the city. An increase in UV index values to four up from March's two indicates bright days, necessitating suitable skin protection. Despite the ascent in rainfall totals, outdoor activities remain popular due to the mild weather and generous sunshine.Temperature
In Hempstead, stepping into April brings a temperature increase, moving up from March's frosty 44.8°F (7.1°C) to a cool 53.8°F (12.1°C). An average low-temperature of 45°F (7.2°C) characterizes Hempstead's April nights.Humidity
In Hempstead, New York, the average relative humidity in April is 73%.Rainfall
In Hempstead, in April, during 9.7 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 105.1 rainfall days, and 8.15" (207mm) of precipitation is accumulated.Snowfall
In Hempstead, New York, snow does not fall in April through November.Daylight
The average length of the day in April in Hempstead is 13h and 19min.On the first day of April, sunrise is at 6:36 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:49 pm EDT.
Sunshine
The average sunshine in April in Hempstead, New York, is 8.6h.UV index
In April, the average daily maximum UV index in Hempstead is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 4 during April leads to these instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Hempstead, NY
- Average high temperature in April: 53.8°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in April: 45°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in April
Hempstead, NY
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Hempstead, NY
- Average wind speed in April: 11mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in April
Hempstead, NY
- Average humidity in April: 73%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in April
Hempstead, NY
- Average rainfall in April: 0.71"
The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is September (0.31").
Average rainfall days in April
Hempstead, NY
- Average rainfall days in April: 9.7 days
The month with the highest number of rainy days is July (12.7 days).
The months with the least rainy days are January and November (5.2 days).
Average snowfall in April
Hempstead, NY
- Average snowfall in April: 0"
The month with the highest snowfall is March (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in April
Hempstead, NY
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Hempstead, NY
- 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Hempstead, NY
- Average sunshine days in April: 17.8 days
The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is June (14.9 days).
Average UV index in April
Hempstead, NY
- 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 and December (UV index 2).
Average cloud cover in April
Hempstead, NY
- Average cloud cover in April: 42
The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in April
Hempstead, NY
- 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).
