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 is a pleasant 73°F (22.8°C), almost matching the conditions of the preceding month. An average low-temperature of 52.9°F (11.6°C) is expected during August.Humidity
In August, the average relative humidity is 80%.Rainfall
In Mount Washington, in August, it is raining for 15 days, with typically 1.34" (34mm) of accumulated precipitation. In Mount Washington, during the entire year, the rain falls for 144.9 days and collects up to 20.08" (510mm) of precipitation.Snowfall
In Mount Washington, New Hampshire, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 58min.On the first day of the month, sunrise is at 5:33 am and sunset at 8:09 pm. On the last day of August, sunrise is at 6:07 am and sunset at 7:22 pm EDT.
Sunshine
With an average of 9.8h of sunshine, August has the most sunshine of the year.UV index
In August, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: During August, 4 as the daily maximum UV index converts into the following advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. 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 temperature in August?
What is the average humidity in August?
How many days 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 long on average sun shines in August?
What is the UV index reading in August?
Average temperature in August
Mount Washington, NH
- Average high temperature in August: 73°F
The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (21.7°F).
- Average low temperature in August: 52.9°F
The month with the highest average low temperature is July (54.7°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).
Average pressure in August
Mount Washington, 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
Mount Washington, NH
- Average wind speed in August: 4.4mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in August
Mount Washington, NH
- Average humidity in August: 80%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (77%).
Average rainfall in August
Mount Washington, NH
- Average rainfall in August: 1.34"
The wettest month (with the highest rainfall) is April (2.44").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in August
Mount Washington, NH
- Average rainfall days in August: 15 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is November (8 days).
Average snowfall in August
Mount Washington, NH
- Average snowfall in August: 0"
The month with the highest snowfall is January (11.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Mount Washington, NH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (20.4 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Mount Washington, NH
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in August
Mount Washington, NH
- Average sunshine days in August: 12.4 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in August
Mount Washington, NH
- Average UV index in August: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in August
Mount Washington, NH
- Average cloud cover in August: 41
The month with the most cloud cover is February (Cloud cover 64).
The months with the least cloud cover are July, August and September (Cloud cover 41).
Average visibility in August
Mount Washington, NH
- Average visibility in August: 4mi
The months with the highest visibility are May, June and July (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October, November and December (4mi).
Mount Washington, New Hampshire, USA
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