July weather forecastOntario, NY
July
Weather in July
July in Ontario, New York, is a warm summer month, with an average temperature ranging between max 76.5°F (24.7°C) and min 64.9°F (18.3°C).Temperature
The temperatures reach their highest averages in July, with highs of 76.5°F (24.7°C) and lows of 64.9°F (18.3°C).Humidity
The average relative humidity in July is 77%.Rainfall
In Ontario, during July, the rain falls for 18.3 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, in Ontario, there are 167.9 rainfall days, and 31.18" (792mm) of precipitation is accumulated.Snowfall
In Ontario, New York, snow does not fall in June through September.Daylight
In Ontario, the average length of the day in July is 15h and 1min.On the first day of July, sunrise is at 5:33 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:31 pm EDT.
Sunshine
With an average of 10.7h of sunshine, July has the most sunshine of the year.UV index
The months with the highest UV index in Ontario are July and August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 6 during July translates into these guidelines:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Ontario, NY
- Average high temperature in July: 76.5°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in July: 64.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in July
Ontario, NY
- Average pressure in July: 29.95"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Ontario, NY
- Average wind speed in July: 7.7mph
The windiest month (with the highest average wind speed) is January (13.2mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in July
Ontario, NY
- Average humidity in July: 77%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are August and September (75%).
Average rainfall in July
Ontario, NY
- Average rainfall in July: 2.64"
The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in July
Ontario, NY
- Average rainfall days in July: 18.3 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in July
Ontario, NY
- Average snowfall in July: 0"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Ontario, NY
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Ontario, 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 0min).
- Average sunshine in July: 10h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in July
Ontario, NY
- Average sunshine days in July: 11.1 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in July
Ontario, NY
- Average UV index in July: 6
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in July
Ontario, NY
- Average cloud cover in July: 27
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in July
Ontario, NY
- Average visibility in July: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





