April weather forecastHartsdale, NY
April
Weather in April
April is a mild spring month in Hartsdale, New York, with an average temperature ranging between min 42.4°F (5.8°C) and max 58.1°F (14.5°C).Temperature
With the onset of April, Hartsdale sees a temperature rise, with the average high-temperature moving from March's chilly 45.9°F (7.7°C) to a mild 58.1°F (14.5°C). Throughout April, Hartsdale witnesses a nighttime temperature average of 42.4°F (5.8°C).Humidity
In Hartsdale, the average relative humidity in April is 71%.Rainfall
In Hartsdale, during April, the rain falls for 12.4 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Hartsdale, during the entire year, the rain falls for 132.4 days and collects up to 15.63" (397mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Hartsdale. April is the last month it regularly snows. During 0.5 snowfall days, in April, Hartsdale aggregates 0.08" (2mm) of snow. Throughout the year, there are 18.9 snowfall days, and 5.08" (129mm) of snow is accumulated.Daylight
In Hartsdale, the average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:20 pm. On the last day of April, in Hartsdale, sunrise is at 5:53 am and sunset at 7:51 pm EDT.
Sunshine
In April, the average sunshine in Hartsdale is 8.3h.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 exposure to the Sun's UV rays for the average person.Note: In April, an average UV index of 4 transforms into the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To cut down UV radiation exposure by about half, sport a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Hartsdale, NY
- Average high temperature in April: 58.1°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in April
Hartsdale, 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
Hartsdale, NY
- Average wind speed in April: 8mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in April
Hartsdale, NY
- Average humidity in April: 71%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (70%).
Average rainfall in April
Hartsdale, NY
- Average rainfall in April: 1.22"
The wettest month (with the highest rainfall) is July (2.01").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in April
Hartsdale, NY
- Average rainfall days in April: 12.4 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in April
Hartsdale, NY
- Average snowfall in April: 0.08"
The month with the highest snowfall is March (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Hartsdale, NY
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Hartsdale, NY
- Average daylight in April: 13h and 18min
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 18min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in April
Hartsdale, NY
- Average sunshine days in April: 15.8 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in April
Hartsdale, 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, November and December (UV index 2).
Average cloud cover in April
Hartsdale, NY
- Average cloud cover in April: 45
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in April
Hartsdale, 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).
