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

At the onset of August, Hanover records an average high-temperature of a still moderately hot 76.3°F (24.6°C), showing little deviation from the preceding month. In August, the average low-temperature is a cool 54.9°F (12.7°C).

Humidity

The average relative humidity in August is 79%.

Rainfall

In Hanover, in August, it is raining for 15.9 days, with typically 2.17" (55mm) of accumulated precipitation. In Hanover, New Hampshire, during the entire year, the rain falls for 156.9 days and collects up to 28.23" (717mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

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

Sunshine

August has the most sunshine of the year, with an average of 10.1h 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 of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In August, a daily UV index of 5 turns into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

What is the usual temperature for Hanover in August?

The high-temperature, in August, in Hanover, records 76.3°F (24.6°C), while the low-temperature is 54.9°F (12.7°C).

What is the average humidity in August?

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

How many days does it rain in August?

In Hanover, New Hampshire, in August, during 15.9 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Hanover have in August?

In August, the average day length is 13h and 56min.

When is the sunrise / sunset in August?

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

What month has the most sunshine?

August has the most sunshine of the year, with an average of 10.1h of sunshine.

How many hours of sunshine does Hanover have in August?

In August, the average sunshine duration is 10.1h.

What are the months with the highest UV index?

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

How high is the UV index in August?

In Hanover, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Hanover, New Hampshire, USA

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