July weather forecastPortlandville, NY
July
Weather in July
July in Portlandville, New York, is a moderately hot summer month, with an average temperature fluctuating between 55.9°F (13.3°C) and 77.5°F (25.3°C).Temperature
The warmest time of the year is July, with temperatures averaging a high of 77.5°F (25.3°C) and a low of 55.9°F (13.3°C).Humidity
The average relative humidity in July is 80%.Rainfall
In July, in Portlandville, the rain falls for 18.3 days. Throughout July, 2.83" (72mm) of precipitation is accumulated. Throughout the year, there are 161.4 rainfall days, and 31.26" (794mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Portlandville, New York.Daylight
In Portlandville, the average length of the day in July is 14h and 56min.On the first day of July, sunrise is at 5:26 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:20 pm EDT.
Sunshine
July has the most sunshine of the year, with an average of 9.8h of sunshine.UV index
The months with the highest UV index in Portlandville are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In July, the maximum UV index of 5 suggests these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Portlandville, NY
- Average high temperature in July: 77.5°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27°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 (15.1°F).
Average pressure in July
Portlandville, NY
- Average pressure in July: 29.96"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 July
Portlandville, NY
- Average wind speed in July: 6mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in July
Portlandville, NY
- Average humidity in July: 80%
The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in July
Portlandville, NY
- Average rainfall in July: 2.83"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in July
Portlandville, 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 (6.6 days).
Average snowfall in July
Portlandville, NY
- Average snowfall in July: 0"
The month with the highest snowfall is February (9.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Portlandville, NY
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Portlandville, NY
- Average daylight in July: 14h 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 July: 9h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in July
Portlandville, NY
- Average sunshine days in July: 11.4 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (5.5 days).
Average UV index in July
Portlandville, 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, March, November and December (UV index 1).
Average cloud cover in July
Portlandville, NY
- Average cloud cover in July: 41
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 41).
Average visibility in July
Portlandville, NY
- Average visibility in July: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
