August weather forecast
Henniker, NH

Weather in August

The last month of the summer, August, is another warm month in Henniker, New Hampshire, with an average temperature varying between 57.2°F (14°C) and 77.9°F (25.5°C).

Temperature

In August, the average high-temperature is almost the same as in July - a still warm 77.9°F (25.5°C). The average low-temperature, in Henniker, is 57.2°F (14°C).

Humidity

In August, the average relative humidity is 77%.

Rainfall

In August, in Henniker, the rain falls for 14.7 days. Throughout August, 1.93" (49mm) of precipitation is accumulated. In Henniker, New Hampshire, during the entire year, the rain falls for 149.8 days and collects up to 27.95" (710mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in August is 13h and 54min.
On the first day of August, sunrise is at 5:37 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:24 pm EDT.

Sunshine

August has the most sunshine of the year in Henniker, New Hampshire, with an average of 10.3h of sunshine.

UV index

The months with the highest UV index in Henniker are July and August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in August in Henniker?

In August, the average relative humidity is 77%.

How many days does it rain in August in Henniker?

In Henniker, in August, during 14.7 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

When it does not snow in Henniker?

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

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

In August, the average day length in Henniker, New Hampshire, is 13h and 54min.

When are sunrise and sunset in August in Henniker?

On the first day of August, sunrise is at 5:37 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:24 pm EDT.

What month has the most sunshine in Henniker?

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

How long on average sun shines in August in Henniker?

In Henniker, New Hampshire, the average sunshine duration in August is 10.3h.

When is the highest UV index in Henniker?

The months with the highest UV index in Henniker are July and August, with an average maximum UV index of 6.

What is the UV index intensity in August in Henniker?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Henniker, NH

Average temperature in August - Henniker, 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: 57.2°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

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Average pressure in August
Henniker, NH

Average pressure in August - Henniker, 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
Henniker, NH

Average wind speed in August - Henniker, NH
  • Average wind speed in August: 4.9mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in August
Henniker, NH

Average humidity in August - Henniker, 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%).

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Average rainfall in August
Henniker, NH

Average rainfall in August - Henniker, NH
  • Average rainfall in August: 1.93"

The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in August
Henniker, NH

Average rainfall days in August - Henniker, NH
  • Average rainfall days in August: 14.7 days

The months with the highest number of rainy days are May and June (15.8 days).
The month with the least rainy days is February (8.1 days).

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Average snowfall in August
Henniker, NH

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

The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Henniker, NH

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

The month with the highest number of snowfall days is March (12.2 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
Henniker, NH

Average daylight in August / Average sunshine in August - Henniker, NH
  • Average daylight in August: 13h and 54min

The month with the longest days is June (Average daylight: 15h and 20min).
The month with the shortest days is December (Average daylight: 9h and 3min).

  • Average sunshine in August: 10h and 18min

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 18min).

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Average sunshine days in August
Henniker, NH

Average sunshine days in August - Henniker, NH
  • Average sunshine days in August: 14.1 days

The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is March (11.3 days).

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Average UV index in August
Henniker, NH

Average UV index in August - Henniker, NH
  • Average UV index in August: 6

The months with the highest UV index are July and August (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
Henniker, NH

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

The month with the most cloud cover is March (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in August
Henniker, NH

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

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

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