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
August's onset brings an average high-temperature of a still moderately hot 77.9°F (25.5°C), showing a minute difference from July's 79.7°F (26.5°C). Alstead encounters a significant temperature differential, with an average low-temperature of 55.9°F (13.3°C) during August nights.Humidity
In August, the average relative humidity is 77%.Rainfall
In Alstead, during August, the rain falls for 11.8 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Alstead, during the entire year, the rain falls for 113.5 days and collects up to 16.77" (426mm) of precipitation.Snowfall
In Alstead, snow does not fall in June through September.Daylight
In Alstead, the average length of the day in August is 13h and 54min.On the first day of August, sunrise is at 5:40 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:25 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 10.3h of sunshine.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 5 during August, leads to the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
What is the average length of the day in August?
What time are sunrise and sunset in August?
What month has the most sunshine?
How many hours of sunshine does Alstead have in August?
What are the months with the highest UV index?
How high is the UV index in August?
Average temperature in August
Alstead, 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: 55.9°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in August
Alstead, NH
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Alstead, NH
- Average wind speed in August: 5mph
The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
Alstead, 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
Alstead, NH
- Average rainfall in August: 1.26"
The wettest month (with the highest rainfall) is October (1.77").
The driest months (with the least rainfall) are January and March (1.06").
Average rainfall days in August
Alstead, NH
- Average rainfall days in August: 11.8 days
The month with the highest number of rainy days is July (12.1 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in August
Alstead, NH
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Alstead, NH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Alstead, NH
- Average daylight in August: 13h and 5min
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 2min
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 24min).
Average sunshine days in August
Alstead, NH
- Average sunshine days in August: 16.9 days
The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are April and June (16 days).
Average UV index in August
Alstead, NH
- Average UV index in August: 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 January, February, March, October, November and December (UV index 2).
Average cloud cover in August
Alstead, NH
- Average cloud cover in August: 34
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in August
Alstead, 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).
Alstead, New Hampshire, USA
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