July weather forecastGrafton, NH
July
Weather in July
July in Grafton, New Hampshire, is a warm summer month, with an average temperature ranging between max 79°F (26.1°C) and min 57.6°F (14.2°C).Temperature
In Grafton, New Hampshire, temperatures reach their average annual highs in July, measuring 79°F (26.1°C) and a minimum average of 57.6°F (14.2°C).Humidity
The average relative humidity in July in Grafton is 77%.Rainfall
In Grafton, in July, during 11.6 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 103.3 rainfall days, and 12.52" (318mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In July, the average length of the day is 15h and 3min.On the first day of July, sunrise is at 5:10 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:11 pm EDT.
Sunshine
In July, the average sunshine is 9.8h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In July, the UV index of 5 transforms into the following advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Grafton, NH
- Average high temperature in July: 79°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in July: 57.6°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in July
Grafton, NH
- Average pressure in July: 29.94"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Grafton, NH
- Average wind speed in July: 5mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in July
Grafton, NH
- Average humidity in July: 77%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in July
Grafton, NH
- Average rainfall in July: 1.34"
The wettest month (with the highest rainfall) is October (1.54").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in July
Grafton, NH
- Average rainfall days in July: 11.6 days
The month with the highest number of rainy days is July (11.6 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in July
Grafton, NH
- Average snowfall in July: 0"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Grafton, NH
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Grafton, NH
- Average daylight in July: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in July: 9h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in July
Grafton, NH
- Average sunshine days in July: 17.7 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is February (16.1 days).
Average UV index in July
Grafton, NH
- 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 February and December (UV index 1).
Average cloud cover in July
Grafton, NH
- Average cloud cover in July: 38
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in July
Grafton, NH
- Average visibility in July: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).





