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 onset of April marks an increase in the average high-temperature, moving from a wintry 39.7°F (4.3°C) in March to a fresh 52.3°F (11.3°C). Grotto reports an average low-temperature of 35.4°F (1.9°C) during the nights of April.Humidity
April and May, with an average relative humidity of 79%, are the least humid months.Rainfall
In April, the rain falls for 14.6 days. Throughout April, 1.97" (50mm) of precipitation is accumulated. Throughout the year, there are 143 rainfall days, and 21.3" (541mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Grotto, during April, snow falls for 4.8 days and regularly aggregates up to 1.57" (40mm) of snow. Throughout the year, there are 68.6 snowfall days, and 18.98" (482mm) of snow is accumulated.Daylight
In Grotto, the average length of the day in April is 13h and 25min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:32 pm. On the last day of April, sunrise is at 6:00 am and sunset at 8:05 pm EDT.
Sunshine
In Grotto, the average sunshine in April is 6.9h.UV index
In Grotto, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, the UV index of 3 transforms into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. 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
What is the average April temperature?
What are the least humid months?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April in Grotto?
How many hours of daylight does Grotto have in April?
When are sunrise and sunset in April in Grotto?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Grotto, NY
- Average high temperature in April: 52.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in April: 35.4°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in April
Grotto, NY
- Average pressure in April: 29.97"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
Grotto, NY
- Average wind speed in April: 9.4mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity in April
Grotto, NY
- Average humidity in April: 79%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in April
Grotto, NY
- Average rainfall in April: 1.97"
The wettest month (with the highest rainfall) is June (2.44").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in April
Grotto, NY
- Average rainfall days in April: 14.6 days
The months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in April
Grotto, NY
- Average snowfall in April: 1.57"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Grotto, NY
- Average snowfall days in April: 4.8 days
The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Grotto, NY
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 6h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in April
Grotto, NY
- Average sunshine days in April: 10.4 days
The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in April
Grotto, NY
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in April
Grotto, NY
- Average cloud cover in April: 55
The months with the most cloud cover are January and February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in April
Grotto, NY
- Average visibility in April: 6mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Grotto, New York, USA
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