August weather forecast
Keene, NH

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Weather in August

Despite being deep into summer, August in Keene exhibits a slight dampening in temperature as the profound heat of July gives way to relatively mild conditions. The fine balance of temperature coupled with moderate rainfall provides ideal conditions for nurturing flourishing greenery. The city experiences a sun-drenched period with a substantial plunge in cloud coverage. Outdoor enthusiasts frequently take advantage of this agreeable climate, painting the city with a flurry of activities. The glory of the sun merges beautifully with the vivid colors of late summer, filling August with a memorable radiance.

Temperature

The onset of August brings with it an average high-temperature of a still warm 78.1°F (25.6°C), showing a negligible variation from the month before. The nights of August anticipate an average low-temperature of 56.8°F (13.8°C).

Humidity

The average relative humidity in August in Keene, New Hampshire, is 77%.

Rainfall

In Keene, in August, it is raining for 12 days, with typically 0.94" (24mm) of accumulated precipitation. In Keene, during the entire year, the rain falls for 125.1 days and collects up to 11.69" (297mm) of precipitation.

Snowfall

In Keene, snow does not fall in June through September.

Daylight

The average length of the day in August is 13h and 53min.
On the first day of the month, sunrise is at 5:40 am and sunset at 8:09 pm. On the last day of August, sunrise is at 6:13 am and sunset at 7:25 pm EDT.

Sunshine

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

UV index

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: In August, the maximum UV index of 5 suggests this advice:
Take precautions - Protection against sunburn is recommended. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

In August, the average high-temperature and low-temperature in Keene are 78.1°F (25.6°C) and 56.8°F (13.8°C) respectively.

What is the average humidity in August?

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

How many days does it rain in August?

In August, the rain falls for 12 days. Throughout August, 0.94" (24mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in August?

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

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:40 am and sunset at 8:09 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?

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

How long on average sun shines in August?

The average sunshine duration in August is 10.3h.

How high is the UV index in August?

In Keene, New Hampshire, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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
Keene, NH

Average temperature in August - Keene, NH
  • Average high temperature in August: 78.1°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in August: 56.8°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure in August
Keene, NH

Average pressure in August - Keene, 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
Keene, NH

Average wind speed in August - Keene, NH
  • Average wind speed in August: 5.1mph

The windiest months (with the highest average wind speed) are January, February and March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in August
Keene, NH

Average humidity in August - Keene, 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
Keene, NH

Average rainfall in August - Keene, NH
  • Average rainfall in August: 0.94"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is March (0.75").

Average rainfall days in August
Keene, NH

Average rainfall days in August - Keene, NH
  • Average rainfall days in August: 12 days

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in August
Keene, NH

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

The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Keene, NH

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

The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (13.8 days).

Average UV index in August
Keene, NH

Average UV index in August - Keene, 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
Keene, NH

Average cloud cover in August - Keene, NH
  • Average cloud cover in August: 35

The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in August
Keene, NH

Average visibility in August - Keene, 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).

Keene, New Hampshire, USA

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