August weather forecast and climate
Greenville, NH

Weather in August

August, the last month of the summer, in Greenville, is another warm month, with temperature in the range of an average low of 58.6°F (14.8°C) and an average high of 77.7°F (25.4°C).

Temperature

In Greenville, the average high-temperature in August is essentially the same as in July - a still warm 77.7°F (25.4°C). The average low-temperature, in Greenville, is 58.6°F (14.8°C).

Humidity

The average relative humidity in Greenville is 77%.

Rainfall

In Greenville, during August, the rain falls for 12.9 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Greenville, during the entire year, the rain falls for 113.8 days and collects up to 12.44" (316mm) of precipitation.

Snowfall

In Greenville snow does not fall in June through September.

Daylight

In Greenville, the average length of the day is 13.9h.

Sunshine

August has the most sunshine of the year in Greenville, with an average of 10.2h of sunshine.

UV index

In Greenville, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 in August interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in August in Greenville?

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

How much does it rain in Greenville in August?

In Greenville, in August, it is raining for 12.9 days, with typically 1.02" (26mm) of accumulated precipitation.

When it does not snow in Greenville?

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

How many hours of daylight does Greenville have in August?

The average length of the day in August in Greenville is 13.9h.

What month has the most sunshine in Greenville?

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

How long on average sun shines in August in Greenville?

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

What is the UV index intensity in August in Greenville?

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

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"

The month with the highest atmospheric pressure is November (30.07").
The month with the lowest atmospheric pressure is June (29.92").

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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").
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).
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: 13.9h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in August: 10.2h

The month with the most sunshine is August (Average sunshine: 10.2h).
The month with the least sunshine is February (Average sunshine: 4.4h).

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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).
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).
Months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

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