August weather forecast and climate
Jaffrey, NH

Weather in August

August, the last month of the summer, in Jaffrey, is another warm month, with average temperature fluctuating between 57.6°F (14.2°C) and 77.5°F (25.3°C).

Temperature

In August, the average high-temperature is almost the same as in July - a still moderately hot 77.5°F (25.3°C). In August, in Jaffrey, the average low-temperature is 57.6°F (14.2°C).

Humidity

The average relative humidity in Jaffrey, New Hampshire, is 78%.

Rainfall

In August, the rain falls for 15.8 days. Throughout August, 2.36" (60mm) of precipitation is accumulated. In Jaffrey, during the entire year, the rain falls for 149.5 days and collects up to 32.13" (816mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

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

Sunshine

With an average of 9.9h of sunshine, August has the most sunshine of the year in Jaffrey.

UV index

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 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 Jaffrey?

In August, the average relative humidity in Jaffrey, New Hampshire, is 78%.

How much does it rain in Jaffrey in August?

In Jaffrey, during August, the rain falls for 15.8 days and regularly aggregates up to 2.36" (60mm) of precipitation.

When it does not snow in Jaffrey?

In Jaffrey snow does not fall in June through September.

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

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

What month has the most sunshine in Jaffrey?

With an average of 9.9h of sunshine, August has the most sunshine of the year.

How long on average sun shines in August in Jaffrey?

In Jaffrey, New Hampshire, the average sunshine in August is 9.9h.

How high is the UV index in August in Jaffrey?

In Jaffrey, New Hampshire, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in August
Jaffrey, NH

Average temperature in August - Jaffrey, NH
  • Average high temperature in August: 77.5°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in August: 57.6°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

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Average pressure in August
Jaffrey, NH

Average pressure in August - Jaffrey, 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
Jaffrey, NH

Average wind speed in August - Jaffrey, 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
Jaffrey, NH

Average humidity in August - Jaffrey, NH
  • Average humidity in August: 78%

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
Jaffrey, NH

Average rainfall in August - Jaffrey, NH
  • Average rainfall in August: 2.36"

The wettest month (with the highest rainfall) is October (3.35").
The driest month (with the least rainfall) is September (2.17").

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Average rainfall days in August
Jaffrey, NH

Average rainfall days in August - Jaffrey, NH
  • Average rainfall days in August: 15.8 days

Months with the highest number of rainy days are May, June and August (15.8 days).
The month with the least rainy days is February (7.2 days).

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Average snowfall in August
Jaffrey, NH

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

The month with the highest snowfall is February (9.41").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Jaffrey, NH

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

The month with the highest number of snowfall days is February (12.5 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
Jaffrey, NH

Average daylight in August / Average sunshine in August - Jaffrey, 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: 9.9h

The month with the most sunshine is August (Average sunshine: 9.9h).
The month with the least sunshine is February (Average sunshine: 4.1h).

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Average sunshine days in August
Jaffrey, NH

Average sunshine days in August - Jaffrey, NH
  • Average sunshine days in August: 13.7 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is March (11.7 days).

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Average UV index in August
Jaffrey, NH

Average UV index in August - Jaffrey, 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
Jaffrey, NH

Average cloud cover in August - Jaffrey, NH
  • Average cloud cover in August: 38

Months with the most cloud cover are February and March (Cloud cover 54).
Months with the least cloud cover are July and August (Cloud cover 38).

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Average visibility in August
Jaffrey, NH

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

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

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