August weather forecast
Hanover, NH

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Weather in August

August continues the summer trend in Hanover, New Hampshire, albeit with slight changes. Temperature margins narrow down in comparison to July, settling between 54.9°F (12.7°C) and 76.3°F (24.6°C). Days shorten slightly, yet Hanover continues to enjoy 13.9 hours of daylight. Throughout the month, the weather remains conducive for various outdoor activities. August beautifully concludes the summer season, making way for Fall.

Temperature

Hanover, New Hampshire, experiences a transition to a still moderately hot 76.3°F (24.6°C) in average high-temperatures with the arrival of August, not greatly differing from July's 77.7°F (25.4°C). Throughout August, Hanover records an average temperature of 54.9°F (12.7°C) at night.

Humidity

In August, the average relative humidity in Hanover is 79%.

Rainfall

In Hanover, during August, the rain falls for 15.9 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, there are 156.9 rainfall days, and 28.23" (717mm) of precipitation is accumulated.

Snowfall

In Hanover, snow does not fall in June through September.

Daylight

The average length of the day in August in Hanover is 13h and 56min.
On the first day of the month, sunrise is at 5:38 am and sunset at 8:11 pm. On the last day of August, sunrise is at 6:12 am and sunset at 7:26 pm EDT.

Sunshine

The month with the most sunshine is August, with an average of 10.1h of sunshine.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in Hanover, New Hampshire. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index, 5 during August, leads to the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What are August temperatures in Hanover?

In August, the average high-temperature and low-temperature in Hanover are 76.3°F (24.6°C) and 54.9°F (12.7°C) respectively.

What is the average humidity in August in Hanover?

In Hanover, New Hampshire, the average relative humidity in August is 79%.

How much does it rain in Hanover in August?

In Hanover, New Hampshire, during August, the rain falls for 15.9 days and regularly aggregates up to 2.17" (55mm) of precipitation.

When it does not snow in Hanover?

In Hanover, New Hampshire, snow does not fall in June through September.

How many hours of daylight does Hanover have in August?

In Hanover, New Hampshire, the average day length in August is 13h and 56min.

When are sunrise and sunset in August in Hanover?

In August, on the first day of the month, sunrise is at 5:38 am and sunset at 8:11 pm. On the last day of the month, in Hanover, New Hampshire, sunrise is at 6:12 am and sunset at 7:26 pm EDT.

What month has the most sunshine in Hanover?

With an average of 10.1h of sunshine, August has the most sunshine of the year in Hanover.

How many hours of sunshine does Hanover have in August?

In Hanover, New Hampshire, the average sunshine duration in August is 10.1h.

What are the months with the highest UV index in Hanover?

The months with the highest UV index in Hanover are May through August, with an average maximum UV index of 5.

What is the UV index intensity in August in Hanover?

In Hanover, New Hampshire, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Hanover, NH

Average temperature in August - Hanover, NH
  • Average high temperature in August: 76.3°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (25°F).

  • Average low temperature in August: 54.9°F

The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

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Average pressure in August
Hanover, NH

Average pressure in August - Hanover, 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 (29.91"Hg).

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Average wind speed in August
Hanover, NH

Average wind speed in August - Hanover, NH
  • Average wind speed in August: 4.8mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in August
Hanover, NH

Average humidity in August - Hanover, 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 May (75%).

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Average rainfall in August
Hanover, NH

Average rainfall in August - Hanover, NH
  • Average rainfall in August: 2.17"

The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in August
Hanover, NH

Average rainfall days in August - Hanover, NH
  • Average rainfall days in August: 15.9 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (7.9 days).

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Average snowfall in August
Hanover, NH

Average snowfall in August - Hanover, NH
  • Average snowfall in August: 0"

The month with the highest snowfall is February (11.57").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Hanover, NH

Average snowfall days in August - Hanover, NH
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Hanover, NH

Average daylight in August / Average sunshine in August - Hanover, 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 6min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in August
Hanover, NH

Average sunshine days in August - Hanover, NH
  • Average sunshine days in August: 12.4 days

The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is February (9.8 days).

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Average UV index in August
Hanover, NH

Average UV index in August - Hanover, 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 February and December (UV index 1).

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Average cloud cover in August
Hanover, NH

Average cloud cover in August - Hanover, NH
  • Average cloud cover in August: 37

The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in August
Hanover, NH

Average visibility in August - Hanover, NH
  • Average visibility in August: 5mi

The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).

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Hanover, New Hampshire, USA

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