August weather forecastHarrisville, NH
August
Weather in August
August, the last month of the summer in Harrisville, is another warm month, with an average temperature fluctuating between 76.8°F (24.9°C) and 57°F (13.9°C).Temperature
August welcomes an average high-temperature of a still moderately hot 76.8°F (24.9°C), not much different from the preceding month. In August, the recorded average low-temperature in Harrisville is a refreshing 57°F (13.9°C).Humidity
In Harrisville, the average relative humidity in August is 78%.Rainfall
August is the month with the least rainfall. Rain falls for 15.5 days and accumulates 2.28" (58mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 53min.On the first day of August, sunrise is at 5:40 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:24 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 9.8h of sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 5 transforms into these recommendations:
Make use of precautions - It is urged to ward off sun damage. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. 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 August
Harrisville, NH
- Average high temperature in August: 76.8°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in August: 57°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in August
Harrisville, NH
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Harrisville, NH
- Average wind speed in August: 5.3mph
The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in August
Harrisville, NH
- Average humidity in August: 78%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in August
Harrisville, NH
- Average rainfall in August: 2.28"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is August (2.28").
Average rainfall days in August
Harrisville, NH
- Average rainfall days in August: 15.5 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (6 days).
Average snowfall in August
Harrisville, NH
- Average snowfall in August: 0"
The month with the highest snowfall is February (11.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Harrisville, NH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Harrisville, NH
- Average daylight in August: 13h 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 August: 9h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in August
Harrisville, NH
- Average sunshine days in August: 13.9 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is March (12 days).
Average UV index in August
Harrisville, NH
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in August
Harrisville, NH
- Average cloud cover in August: 38
The months with the most cloud cover are February and March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in August
Harrisville, NH
- Average visibility in August: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).





