August weather forecast
Greenville, NH

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Weather in August

The last month of the summer, August, is also a moderately hot month in Greenville, New Hampshire, with an average temperature fluctuating between 58.6°F (14.8°C) and 77.7°F (25.4°C).

Temperature

August's onset brings an average high-temperature of a still warm 77.7°F (25.4°C), showing a minute difference from July's 79.3°F (26.3°C). In Greenville, the average temperature during the nights of August drops to a refreshing 58.6°F (14.8°C).

Humidity

In Greenville, New Hampshire, the average relative humidity in August is 77%.

Rainfall

In August, in Greenville, the rain falls for 12.9 days. Throughout August, 1.02" (26mm) of precipitation is accumulated. Throughout the year, in Greenville, there are 113.8 rainfall days, and 12.44" (316mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Greenville.

Daylight

In Greenville, the average length of the day in August is 13h and 52min.
On the first day of the month, sunrise is at 5:39 am and sunset at 8:07 pm. On the last day of August, sunrise is at 6:11 am and sunset at 7:23 pm EDT.

Sunshine

With an average of 10.2h of sunshine, August has the most sunshine of the year.

UV index

In Greenville, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 in August interprets into the following advice:
Heed the precautions - It is counselled to guard against solar damage. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What is the usual temperature for Greenville in August?

August temperatures vary between a high-temperature of 77.7°F (25.4°C) and a low-temperature of 58.6°F (14.8°C).

What is the average humidity in August in Greenville?

In Greenville, New Hampshire, the average relative humidity in August is 77%.

How many days does it rain in August in Greenville?

In Greenville, New Hampshire, in August, during 12.9 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

When it does not snow in Greenville?

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

What is the average length of the day in August in Greenville?

In Greenville, the average day length in August is 13h and 52min.

When are sunrise and sunset in August in Greenville?

On the first day of August in Greenville, sunrise is at 5:39 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:23 pm EDT.

What month has the most sunshine in Greenville?

With an average of 10.2h of sunshine, August has the most sunshine of the year in Greenville, New Hampshire.

How many hours of sunshine does Greenville have in August?

In Greenville, the average sunshine duration in August is 10.2h.

What is the UV index reading in August in Greenville?

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Greenville, NH

Average temperature in August - Greenville, NH
  • Average high temperature in August: 77.7°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in August: 58.6°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (16°F).

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Average pressure in August
Greenville, NH

Average pressure in August - Greenville, 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 (29.92"Hg).

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Average wind speed in August
Greenville, NH

Average wind speed in August - Greenville, NH
  • Average wind speed in August: 5.3mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in August
Greenville, NH

Average humidity in August - Greenville, NH
  • Average humidity in August: 77%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in August
Greenville, NH

Average rainfall in August - Greenville, NH
  • Average rainfall in August: 1.02"

The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is September (0.71").

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Average rainfall days in August
Greenville, NH

Average rainfall days in August - Greenville, NH
  • Average rainfall days in August: 12.9 days

The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (4.2 days).

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Average snowfall in August
Greenville, NH

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

The month with the highest snowfall is November (3.9").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Greenville, NH

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

The month with the highest number of snowfall days is February (9.7 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
Greenville, NH

Average daylight in August / Average sunshine in August - Greenville, 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in August
Greenville, NH

Average sunshine days in August - Greenville, NH
  • Average sunshine days in August: 15.8 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is June (14.3 days).

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Average UV index in August
Greenville, NH

Average UV index in August - Greenville, NH
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in August
Greenville, NH

Average cloud cover in August - Greenville, NH
  • Average cloud cover in August: 36

The month with the most cloud cover is March (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in August
Greenville, NH

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

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

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Greenville, New Hampshire, USA

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