July weather forecastSaint Johnsville, NY
July
Weather in July
July in Saint Johnsville, New York, is a moderately hot summer month, with an average temperature fluctuating between 58.3°F (14.6°C) and 79.3°F (26.3°C).Temperature
July proves to be the warmest month, recording an average peak temperature of 79.3°F (26.3°C) and a minimum temperature of 58.3°F (14.6°C).Humidity
The average relative humidity in July is 78%.Rainfall
In July, the rain falls for 17.7 days. Throughout July, 2.95" (75mm) of precipitation is accumulated. Throughout the year, there are 171 rainfall days, and 34.25" (870mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in July in Saint Johnsville is 14h and 59min.On the first day of July, sunrise is at 5:23 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:20 pm EDT.
Sunshine
With an average of 10.2h of sunshine, July has the most sunshine of the year.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 medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In July, the average maximum UV index of 5 translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Saint Johnsville, NY
- Average high temperature in July: 79.3°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 July: 58.3°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 July
Saint Johnsville, NY
- Average pressure in July: 29.95"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 July
Saint Johnsville, NY
- Average wind speed in July: 6mph
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 July
Saint Johnsville, NY
- Average humidity in July: 78%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in July
Saint Johnsville, NY
- Average rainfall in July: 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 July
Saint Johnsville, NY
- Average rainfall days in July: 17.7 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 July
Saint Johnsville, NY
- Average snowfall in July: 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 July
Saint Johnsville, NY
- Average snowfall days in July: 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 July /
Average sunshine in July
Saint Johnsville, NY
- Average daylight in July: 15h and 0min
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 July: 10h and 12min
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 July
Saint Johnsville, NY
- Average sunshine days in July: 10.4 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 July
Saint Johnsville, NY
- Average UV index in July: 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 July
Saint Johnsville, NY
- Average cloud cover in July: 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 July
Saint Johnsville, NY
- Average visibility in July: 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).





