August weather forecastSaint Johnsville, NY
August
Weather in August
The last month of the summer, August, is another warm month in Saint Johnsville, New York, with temperature in the range of an average high of 77°F (25°C) and an average low of 56.8°F (13.8°C).Temperature
Saint Johnsville experiences an average high-temperature of a still moderately hot 77°F (25°C) in August, marking an insignificant shift from 79.3°F (26.3°C) in July. Throughout the month of August, Saint Johnsville expects an average low of 56.8°F (13.8°C).Humidity
In Saint Johnsville, the average relative humidity in August is 79%.Rainfall
In Saint Johnsville, during August, the rain falls for 16.3 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Saint Johnsville, during the entire year, the rain falls for 171 days and collects up to 34.25" (870mm) of precipitation.Snowfall
In Saint Johnsville, New York, snow does not fall in June through September.Daylight
In Saint Johnsville, the average length of the day in August is 13h and 53min.On the first day of the month, sunrise is at 5:50 am and sunset at 8:19 pm. On the last day of August, sunrise is at 6:22 am and sunset at 7:34 pm EDT.
Sunshine
In August, the average sunshine is 10h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in August interprets into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Saint Johnsville, NY
- Average high temperature in August: 77°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in August: 56.8°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 (15.3°F).
Average pressure in August
Saint Johnsville, NY
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Saint Johnsville, NY
- Average wind speed in August: 5.8mph
The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in August
Saint Johnsville, NY
- Average humidity in August: 79%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in August
Saint Johnsville, NY
- Average rainfall in August: 2.95"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in August
Saint Johnsville, NY
- Average rainfall days in August: 16.3 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in August
Saint Johnsville, NY
- Average snowfall in August: 0"
The month with the highest snowfall is February (9.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Saint Johnsville, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (17.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Saint Johnsville, 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: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in August
Saint Johnsville, NY
- Average sunshine days in August: 11.7 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in August
Saint Johnsville, NY
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Saint Johnsville, NY
- Average cloud cover in August: 35
The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in August
Saint Johnsville, NY
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
