July weather forecastPortville, NY
July
Weather in July
July in Portville, New York, is a moderately hot summer month, with an average temperature fluctuating between 78.4°F (25.8°C) and 55.9°F (13.3°C).Temperature
Portville's July weather reaches an average high of 78.4°F (25.8°C) and an average low of 55.9°F (13.3°C), making it the warmest month.Humidity
May through July, with an average relative humidity of 79%, are the least humid months.Rainfall
In Portville, during July, the rain falls for 18.5 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Portville, during the entire year, the rain falls for 168.9 days and collects up to 30" (762mm) of precipitation.Snowfall
June through September are months without snowfall in Portville.Daylight
In Portville, the average length of the day in July is 14h and 53min.On the first day of July in Portville, sunrise is at 5:41 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:32 pm EDT.
Sunshine
The month with the most sunshine is July, with an average of 9.4h of sunshine.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Portville, New York. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 5 in July translates into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Portville, NY
- Average high temperature in July: 78.4°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 (27.9°F).
- Average low temperature in July: 55.9°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in July
Portville, NY
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in July
Portville, NY
- Average wind speed in July: 6mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in July
Portville, NY
- Average humidity in July: 79%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall in July
Portville, NY
- Average rainfall in July: 2.68"
The wettest month (with the highest rainfall) is April (3.35").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in July
Portville, NY
- Average rainfall days in July: 18.5 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in July
Portville, NY
- Average snowfall in July: 0"
The month with the highest snowfall is February (10.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Portville, NY
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Portville, NY
- Average daylight in July: 14h and 54min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in July: 9h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in July
Portville, NY
- Average sunshine days in July: 9.8 days
The month with the most sunshine days is September (12.4 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in July
Portville, 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, February and December (UV index 1).
Average cloud cover in July
Portville, NY
- Average cloud cover in July: 43
The month with the most cloud cover is January (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 43).
Average visibility in July
Portville, NY
- Average visibility in July: 5mi
The months with the highest visibility are March, April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, August, September and December (4mi).
