August weather forecast
Walpole, NH

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Weather in August

August, the last month of the summer in Walpole, is another warm month, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 77.9°F (25.5°C).

Temperature

August registers an average high-temperature of a still warm 77.9°F (25.5°C), slightly varied from July's 79.7°F (26.5°C). Despite high daytime temperatures, the average temperature lowers to a refreshing 55.9°F (13.3°C) during August nights.

Humidity

The average relative humidity in August is 77%.

Rainfall

In Walpole, in August, it is raining for 11.8 days, with typically 1.26" (32mm) of accumulated precipitation. In Walpole, during the entire year, the rain falls for 113.5 days and collects up to 16.77" (426mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 53min.
On the first day of the month, sunrise is at 5:41 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:13 am and sunset at 7:25 pm EDT.

Sunshine

August has the most sunshine of the year, with an average of 10.3h 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 estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The UV index of 5 during August leads to these advisories:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August in Walpole?

In August, in Walpole, the average high-temperature is 77.9°F (25.5°C), and the average low-temperature is 55.9°F (13.3°C).

What is the average humidity in August?

In Walpole, the average relative humidity in August is 77%.

How much does it rain in August?

In Walpole, in August, during 11.8 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall in Walpole.

How many hours of daylight does Walpole have in August?

In August, the average day length in Walpole is 13h and 53min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:41 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:25 pm EDT.

What month has the most sunshine?

With an average of 10.3h of sunshine, August has the most sunshine of the year.

How many hours of sunshine does Walpole have in August?

In August, the average sunshine duration is 10.3h.

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 August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Walpole, NH

Average temperature in August - Walpole, NH
  • Average high temperature in August: 77.9°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in August: 55.9°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

Average pressure in August
Walpole, NH

Average pressure in August - Walpole, NH
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in August
Walpole, NH

Average wind speed in August - Walpole, NH
  • Average wind speed in August: 5mph

The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in August
Walpole, NH

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

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).

Average rainfall in August
Walpole, NH

Average rainfall in August - Walpole, NH
  • Average rainfall in August: 1.26"

The wettest month (with the highest rainfall) is October (1.77").
The driest months (with the least rainfall) are January and March (1.06").

Average rainfall days in August
Walpole, NH

Average rainfall days in August - Walpole, NH
  • Average rainfall days in August: 11.8 days

The month with the highest number of rainy days is July (12.1 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in August
Walpole, NH

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

The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Walpole, NH

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

The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Walpole, NH

Average daylight in August / Average sunshine in August - Walpole, 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in August
Walpole, NH

Average sunshine days in August - Walpole, NH
  • Average sunshine days in August: 16.9 days

The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are April and June (16 days).

Average UV index in August
Walpole, NH

Average UV index in August - Walpole, 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 January, February, March, October, November and December (UV index 2).

Average cloud cover in August
Walpole, NH

Average cloud cover in August - Walpole, NH
  • Average cloud cover in August: 34

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in August
Walpole, NH

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

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

Walpole, New Hampshire, USA

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