Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The average high-temperature during August registers at a still moderately hot 77.2°F (25.1°C), closely corresponding to the preceding month. In August, Alton Bay experiences an average nighttime temperature of 56.3°F (13.5°C).Humidity
In August, the average relative humidity in Alton Bay is 79%.Rainfall
In Alton Bay, in August, it is raining for 14.3 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 152 rainfall days, and 29.09" (739mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August is 13h and 55min.On the first day of August in Alton Bay, sunrise is at 5:35 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:21 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 10.2h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 5 in August suggests the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Alton Bay have in August?
What time are sunrise and sunset in August?
What month has the most sunshine?
How many hours of sunshine does Alton Bay have in August?
When is the highest UV index?
How high is the UV index in August?
Average temperature in August
Alton Bay, NH
- Average high temperature in August: 77.2°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in August: 56.3°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 (12.9°F).
Average pressure in August
Alton Bay, NH
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Alton Bay, NH
- Average wind speed in August: 4.7mph
The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in August
Alton Bay, NH
- Average humidity in August: 79%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in August
Alton Bay, NH
- Average rainfall in August: 2.05"
The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in August
Alton Bay, NH
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in August
Alton Bay, NH
- Average snowfall in August: 0"
The month with the highest snowfall is February (9.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Alton Bay, NH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Alton Bay, NH
- Average daylight in August: 13h and 5min
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 August: 10h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in August
Alton Bay, NH
- Average sunshine days in August: 14.4 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is April (11.4 days).
Average UV index in August
Alton Bay, NH
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in August
Alton Bay, NH
- Average cloud cover in August: 35
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in August
Alton Bay, NH
- Average visibility in August: 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).
Alton Bay, New Hampshire, USA
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