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
April brings a rise in the average high-temperature, transitioning from March's icy 39.7°F (4.3°C) to a cool 52.3°F (11.3°C). During April, Groton experiences a consistent low-temperature average of 35.4°F (1.9°C).Humidity
April and May, with an average relative humidity of 79%, are the least humid months in Groton.Rainfall
In Groton, in April, it is raining for 14.6 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 143 rainfall days, and 21.3" (541mm) of precipitation is accumulated.Snowfall
Months with snowfall in Groton, New York, are January through May, October through December. In Groton, in April, snow falls for 4.8 days, with typically accumulated 1.57" (40mm) of snow. Throughout the year, there are 68.6 snowfall days, and 18.98" (482mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 25min.On the first day of April in Groton, sunrise is at 6:46 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:04 pm EDT.
Sunshine
In Groton, the average sunshine in April is 6.9h.UV index
In April, the average daily maximum UV index in Groton is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 during April translates into the following directions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Groton?
What are the least humid months in Groton?
What is the average humidity in April in Groton?
How much does it rain in Groton in April?
How much does it snow in Groton in April?
How many hours of daylight does Groton have in April?
When is the sunrise / sunset in April in Groton?
How long on average sun shines in April in Groton?
What is the UV index reading in April in Groton?
Average temperature in April
Groton, 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
Groton, 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
Groton, 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
Groton, 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
Groton, 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
Groton, 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
Groton, 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
Groton, 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
Groton, 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
Groton, 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
Groton, 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
Groton, 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
Groton, 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).
Groton, New York, USA
Weather forecast for your location
2. Allow the app to use your location