August weather forecast
Derby Line, VT

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Weather in August

August, the last month of the summer in Derby Line, is also a moderately hot month, with an average temperature fluctuating between 53.4°F (11.9°C) and 73.9°F (23.3°C).

Temperature

A minimal variation is noted in Derby Line's average high-temperature at the onset of August, reaching a still warm 73.9°F (23.3°C) from July's 76.3°F (24.6°C). Throughout August, Derby Line encounters an average temperature drop to a cool 53.4°F (11.9°C).

Humidity

The average relative humidity in August is 80%.

Rainfall

In Derby Line, during August, the rain falls for 19.6 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, there are 166.1 rainfall days, and 33.07" (840mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 14h and 1min.
On the first day of August, sunrise is at 5:34 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:26 pm EDT.

Sunshine

The months with the most sunshine are July and August, with an average of 9.6h of sunshine.

UV index

The average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 4 during August morphs into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

In Derby Line, in August, the average high-temperature is 73.9°F (23.3°C), and the average low-temperature is 53.4°F (11.9°C).

What is the average humidity in August?

In Derby Line, the average relative humidity in August is 80%.

How many days does it rain in August?

In August, the rain falls for 19.6 days. Throughout August, 2.72" (69mm) 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 Derby Line?

The average day length in August is 14h and 1min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:34 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:26 pm EDT.

What is the month with the most sunshine?

July and August, with an average of 9.6h of sunshine, are months with the most sunshine.

How long on average sun shines in August?

In August, the average sunshine duration in Derby Line is 9.6h.

How high is the UV index in August?

The average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Derby Line, VT

Average temperature in August - Derby Line, VT
  • Average high temperature in August: 73.9°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (21.6°F).

  • Average low temperature in August: 53.4°F

The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).

Average pressure in August
Derby Line, VT

Average pressure in August - Derby Line, VT
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Derby Line, VT

Average wind speed in August - Derby Line, VT
  • Average wind speed in August: 5.5mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in August
Derby Line, VT

Average humidity in August - Derby Line, VT
  • Average humidity in August: 80%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (77%).

Average rainfall in August
Derby Line, VT

Average rainfall in August - Derby Line, VT
  • Average rainfall in August: 2.72"

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (2.28").

Average rainfall days in August
Derby Line, VT

Average rainfall days in August - Derby Line, VT
  • Average rainfall days in August: 19.6 days

The month with the highest number of rainy days is June (20.1 days).
The month with the least rainy days is January (5.1 days).

Average snowfall in August
Derby Line, VT

Average snowfall in August - Derby Line, VT
  • Average snowfall in August: 0"

The month with the highest snowfall is February (14.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Derby Line, VT

Average snowfall days in August - Derby Line, VT
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (24 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Derby Line, VT

Average daylight in August / Average sunshine in August - Derby Line, VT
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in August: 9h and 4min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 2h and 0min).

Average sunshine days in August
Derby Line, VT

Average sunshine days in August - Derby Line, VT
  • Average sunshine days in August: 9.4 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (4.3 days).

Average UV index in August
Derby Line, VT

Average UV index in August - Derby Line, VT
  • Average UV index in August: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in August
Derby Line, VT

Average cloud cover in August - Derby Line, VT
  • Average cloud cover in August: 41

The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 40).

Average visibility in August
Derby Line, VT

Average visibility in August - Derby Line, VT
  • Average visibility in August: 5mi

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

Derby Line, Vermont, USA

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