August weather forecastGrotto, NY
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Grotto, New York, with an average temperature fluctuating between 76.5°F (24.7°C) and 56.7°F (13.7°C).Temperature
The transition into August is marked with an average high-temperature of a still moderately hot 76.5°F (24.7°C), showing an insignificant shift from July's 78.4°F (25.8°C). Grotto's average low-temperature in August is measured at a moderate 56.7°F (13.7°C).Humidity
The average relative humidity in August is 81%.Rainfall
In Grotto, in August, during 15.5 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 143 rainfall days, and 21.3" (541mm) of precipitation is accumulated.Snowfall
In Grotto, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 52min.On the first day of the month, sunrise is at 5:58 am and sunset at 8:25 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:41 pm EDT.
Sunshine
The average sunshine in August is 9.9h.UV index
In Grotto, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Grotto, 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
Grotto, 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
Grotto, 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
Grotto, 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
Grotto, 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
Grotto, 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
Grotto, 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
Grotto, 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
Grotto, 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
Grotto, 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
Grotto, 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
Grotto, 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
Grotto, 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).





