August weather forecastMont Vernon, NH
August
Weather in August
August, the last month of the summer in Mont Vernon, is another warm month, with an average temperature fluctuating between 79.3°F (26.3°C) and 59.4°F (15.2°C).Temperature
As Mont Vernon transitions from July to August, the average high-temperatures adjust to a still moderately hot 79.3°F (26.3°C), nearly the same as the previous 81.5°F (27.5°C). Mont Vernon records a consistent low-temperature of 59.4°F (15.2°C) during August nights.Humidity
In August, the average relative humidity is 76%.Rainfall
In Mont Vernon, New Hampshire, during August, the rain falls for 13.8 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, there are 146.9 rainfall days, and 28.15" (715mm) of precipitation is accumulated.Snowfall
In Mont Vernon, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 53min.On the first day of August, sunrise is at 5:38 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:22 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 10.4h 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 reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In August, a regular UV index of 6 translates into these guidelines:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Mont Vernon, NH
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in August: 59.4°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in August
Mont Vernon, 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
Mont Vernon, NH
- Average wind speed in August: 5.2mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in August
Mont Vernon, NH
- Average humidity in August: 76%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).
Average rainfall in August
Mont Vernon, NH
- Average rainfall in August: 1.97"
The wettest month (with the highest rainfall) is October (3.03").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in August
Mont Vernon, NH
- Average rainfall days in August: 13.8 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in August
Mont Vernon, NH
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Mont Vernon, NH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Mont Vernon, 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 24min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in August
Mont Vernon, NH
- Average sunshine days in August: 15.4 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in August
Mont Vernon, 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, November and December (UV index 2).
Average cloud cover in August
Mont Vernon, NH
- Average cloud cover in August: 33
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Mont Vernon, NH
- Average visibility in August: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
