August weather forecastGroton, NY
August
Weather in August
The last month of the summer, August, is another warm month in Groton, New York, with an average temperature varying between 56.7°F (13.7°C) and 76.5°F (24.7°C).Temperature
The advent of August reveals an average high-temperature of a still moderately hot 76.5°F (24.7°C), showing minimal difference from the prior month. Throughout the month of August, Groton witnesses an average temperature of 56.7°F (13.7°C).Humidity
In Groton, the average relative humidity in August is 81%.Rainfall
In Groton, in August, it is raining for 15.5 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, there are 143 rainfall days, and 21.3" (541mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Groton, the average length of the day in August is 13h and 52min.On the first day of August, sunrise is at 5:58 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:40 pm EDT.
Sunshine
In August, the average sunshine is 9.9h.UV index
In Groton, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 5 during August translates into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Groton, NY
- Average high temperature in August: 76.5°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 August: 56.7°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 August
Groton, NY
- Average pressure in August: 29.99"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 August
Groton, NY
- Average wind speed in August: 5.9mph
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 August
Groton, NY
- Average humidity in August: 81%
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 August
Groton, NY
- Average rainfall in August: 2.2"
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 August
Groton, NY
- Average rainfall days in August: 15.5 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 August
Groton, NY
- Average snowfall in August: 0"
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 August
Groton, NY
- Average snowfall days in August: 0 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 August /
Average sunshine in August
Groton, NY
- Average daylight in August: 13h and 54min
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 August: 9h and 54min
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 August
Groton, NY
- Average sunshine days in August: 11.8 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 August
Groton, NY
- Average UV index in August: 5
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 August
Groton, NY
- Average cloud cover in August: 36
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 August
Groton, NY
- Average visibility in August: 5mi
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).
