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
As July transitions into August, Sandown records an average high-temperature of a still moderately hot 79°F (26.1°C), showing a gentle shift from the preceding month. During the month of August, an average low-temperature of 60.1°F (15.6°C) is recorded in Sandown, New Hampshire.Humidity
In Sandown, the average relative humidity in August is 77%.Rainfall
In Sandown, New Hampshire, during August, the rain falls for 12.8 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Sandown, during the entire year, the rain falls for 137.4 days and collects up to 28.15" (715mm) of precipitation.Snowfall
In Sandown, snow does not fall in June through September.Daylight
The average length of the day in August in Sandown is 13h and 53min.On the first day of the month, sunrise is at 5:36 am and sunset at 8:05 pm. On the last day of August, sunrise is at 6:09 am and sunset at 7:20 pm EDT.
Sunshine
With an average of 10.4h of sunshine, August has the most sunshine of the year in Sandown.UV index
The months with the highest UV index in Sandown are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 6 during August morphs into the following directions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature in Sandown?
What is the average humidity in August in Sandown?
How many days does it rain in August in Sandown?
When it does not snow in Sandown?
How many hours of daylight does Sandown have in August?
What time are sunrise and sunset in August in Sandown?
What month has the most sunshine in Sandown?
How many hours of sunshine does Sandown have in August?
What are the months with the highest UV index in Sandown?
What is the UV index reading in August in Sandown?
Average temperature in August
Sandown, NH
- Average high temperature in August: 79°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in August: 60.1°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in August
Sandown, NH
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Sandown, NH
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in August
Sandown, NH
- Average humidity in August: 77%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (73%).
Average rainfall in August
Sandown, NH
- Average rainfall in August: 2.01"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in August
Sandown, NH
- Average rainfall days in August: 12.8 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in August
Sandown, NH
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Sandown, NH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Sandown, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in August
Sandown, NH
- Average sunshine days in August: 15.8 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is April (13.6 days).
Average UV index in August
Sandown, NH
- Average UV index in August: 6
The months with the highest UV index are June, 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
Sandown, NH
- Average cloud cover in August: 33
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Sandown, NH
- Average visibility in August: 5mi
The months with the highest visibility are January, March, April, June, October, November and December (6mi).
The months with the lowest visibility are February, May, July, August and September (5mi).
Sandown, New Hampshire, USA
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