August weather forecast
Lebanon, NH

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Weather in August

August is similar to July in terms of weather, with high temperatures and long daylight hours. Nevertheless, there is a slight cooling with the highest temperature dipping to 76.5°F (24.7°C). August continues to deliver generous sunshine hours, ensuring plenty of warmth and light. Despite some rainfall, the weather provides an excellent backdrop for outdoor activities. As the month progresses, hints of the coming autumn start to appear toward the end of August.

Temperature

The initiation of August in Lebanon records an average high-temperature of a still moderately hot 76.5°F (24.7°C), displaying a near consistency with the previous month. Lebanon's temperature in August declines substantially from daytime highs, settling at a consistent average of 54.7°F (12.6°C) during the nights.

Humidity

The average relative humidity in August is 79%.

Rainfall

In Lebanon, in August, during 15.4 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 156.4 rainfall days, and 26.14" (664mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in August in Lebanon is 13h and 56min.
On the first day of August, sunrise is at 5:39 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:25 pm EDT.

Sunshine

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

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 moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during August translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What is the temperature in August in Lebanon?

August temperatures vary between a high-temperature of 76.5°F (24.7°C) and a low-temperature of 54.7°F (12.6°C).

What is the average humidity in August in Lebanon?

The average relative humidity in August is 79%.

How many days does it rain in August in Lebanon?

In Lebanon, New Hampshire, in August, it is raining for 15.4 days, with typically 1.89" (48mm) of accumulated precipitation.

When it does not snow in Lebanon?

June through September are months without snowfall in Lebanon, New Hampshire.

How many hours of daylight does Lebanon have in August?

The average day length in August in Lebanon, New Hampshire, is 13h and 56min.

When is the sunrise / sunset in August in Lebanon?

In August, on the first day of the month, sunrise is at 5:39 am and sunset at 8:11 pm. On the last day of the month, in Lebanon, New Hampshire, sunrise is at 6:12 am and sunset at 7:25 pm EDT.

What month has the most sunshine in Lebanon?

With an average of 10.1h of sunshine, August has the most sunshine of the year in Lebanon, New Hampshire.

How long on average sun shines in August in Lebanon?

In August, the average sunshine duration is 10.1h.

When is the highest UV index in Lebanon?

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

How high is the UV index in August in Lebanon?

In Lebanon, New Hampshire, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from 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
Lebanon, NH

Average temperature in August - Lebanon, NH
  • Average high temperature in August: 76.5°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in August: 54.7°F

The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

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Average pressure in August
Lebanon, NH

Average pressure in August - Lebanon, 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
Lebanon, NH

Average wind speed in August - Lebanon, 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
Lebanon, NH

Average humidity in August - Lebanon, 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
Lebanon, NH

Average rainfall in August - Lebanon, NH
  • Average rainfall in August: 1.89"

The wettest month (with the highest rainfall) is October (2.87").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in August
Lebanon, NH

Average rainfall days in August - Lebanon, NH
  • Average rainfall days in August: 15.4 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (8.6 days).

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Average snowfall in August
Lebanon, NH

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

The month with the highest snowfall is February (9.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Lebanon, NH

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

The month with the highest number of snowfall days is January (16.3 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
Lebanon, NH

Average daylight in August / Average sunshine in August - Lebanon, 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
Lebanon, NH

Average sunshine days in August - Lebanon, NH
  • Average sunshine days in August: 13.2 days

The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is March (9.7 days).

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Average UV index in August
Lebanon, NH

Average UV index in August - Lebanon, 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
Lebanon, NH

Average cloud cover in August - Lebanon, 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
Lebanon, NH

Average visibility in August - Lebanon, 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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Lebanon, New Hampshire, USA

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