August weather forecastHenniker, NH
August
Weather in August
The last month of the summer, August, is another warm month in Henniker, New Hampshire, with an average temperature fluctuating between 57.2°F (14°C) and 77.9°F (25.5°C).Temperature
The transition into August reveals an average high-temperature of a still moderately hot 77.9°F (25.5°C), mirroring a close resemblance to July. Throughout August, the average low-temperature records at a refreshing 57.2°F (14°C).Humidity
In August, the average relative humidity is 77%.Rainfall
In Henniker, in August, during 14.7 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Henniker, during the entire year, the rain falls for 149.8 days and collects up to 27.95" (710mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August in Henniker is 13h and 54min.On the first day of August, sunrise is at 5:38 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:23 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 10.3h of sunshine.UV index
July and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Deflect overexposure. Sun protection is a necessity. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Henniker, NH
- Average high temperature in August: 77.9°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in August: 57.2°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 (14.9°F).
Average pressure in August
Henniker, 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
Henniker, NH
- Average wind speed in August: 4.9mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in August
Henniker, NH
- Average humidity in August: 77%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in August
Henniker, NH
- Average rainfall in August: 1.93"
The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in August
Henniker, NH
- Average rainfall days in August: 14.7 days
The months with the highest number of rainy days are May and June (15.8 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in August
Henniker, NH
- Average snowfall in August: 0"
The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Henniker, NH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Henniker, 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: 10h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in August
Henniker, NH
- Average sunshine days in August: 14.1 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is March (11.3 days).
Average UV index in August
Henniker, NH
- Average UV index in August: 6
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in August
Henniker, NH
- Average cloud cover in August: 35
The month with the most cloud cover is March (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in August
Henniker, 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).
