August weather forecast
Greenville, NH

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Weather in August

The last month of the summer, August, is another warm month in Greenville, New Hampshire, with an average temperature ranging between max 77.7°F (25.4°C) and min 58.6°F (14.8°C).

Temperature

The dawn of August sees an average high-temperature of a still moderately hot 77.7°F (25.4°C), subtly contrasting with July's 79.3°F (26.3°C). Greenville experiences an average low-temperature of 58.6°F (14.8°C) in month of August.

Humidity

In August, the average relative humidity is 77%.

Rainfall

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

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

UV index

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In August, a daily maximum UV index of 5 leads to the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. To avoid the Sun's strongest rays, limit exposure around the mid-day period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Greenville in August?

In August, the average high-temperature and low-temperature are 77.7°F (25.4°C) and 58.6°F (14.8°C) respectively.

What is the average humidity in August?

In August, the average relative humidity is 77%.

How many days does it rain 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?

June through September are months without snowfall.

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

The average day length in August is 13h and 52min.

What time are sunrise and sunset in August?

In August, on the first day of the month, 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?

The month with the most sunshine is August, with an average of 10.2h of sunshine.

How long on average sun shines in August?

In Greenville, the average sunshine duration in August 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 of 3 to 5 symbolizes 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Greenville, New Hampshire, USA

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