August weather forecast
Norwich, VT

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Weather in August

August pulls along the tail end of summer, yet the temperatures remain quite high. The weather remains mostly hot, but is gradually tempered down by late afternoon thunderstorms. Amid the heat, locals often engage in water activities, appreciating the cooling effect of the rivers. A host of summer festivals and events still take place, keeping the city vibrant with activity. Despite the starting signs of autumn near the end, August keeps the spirit of summer alive.

Temperature

The introduction of August in Norwich, Vermont, notes a subtle temperature variation to a still moderately hot 76.3°F (24.6°C) from July's 77.7°F (25.4°C). In the month of August, the average low-temperature usually rests at a cool 54.9°F (12.7°C).

Humidity

The average relative humidity in August is 79%.

Rainfall

In Norwich, in August, it is raining for 15.9 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, in Norwich, there are 156.9 rainfall days, and 28.23" (717mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Norwich.

Daylight

The average length of the day in August is 13h and 56min.
On the first day of August, sunrise is at 5:39 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:26 pm EDT.

Sunshine

With an average of 10.1h of sunshine, August has the most sunshine of the year.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 5 during August translates into the following directions:
Undertake precautions - Guarding against sun damage is counselled. To guard against the harmful effects of the Sun, minimize exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

In August, in Norwich, the average high-temperature is 76.3°F (24.6°C), and the average low-temperature is 54.9°F (12.7°C).

What is the average humidity in August?

In August, the average relative humidity is 79%.

How many days does it rain in August?

In Norwich, during August, the rain falls for 15.9 days and regularly aggregates up to 2.17" (55mm) of precipitation.

When it does not snow?

In Norwich, Vermont, snow does not fall in June through September.

What is the average length of the day in August?

In Norwich, Vermont, the average day length in August is 13h and 56min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 5:39 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:26 pm EDT.

What month has the most sunshine?

With an average of 10.1h of sunshine, August has the most sunshine of the year.

How many hours of sunshine does Norwich have in August?

In August, the average sunshine duration is 10.1h.

What are the months with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

What is the UV index intensity in August?

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes 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
Norwich, VT

Average temperature in August - Norwich, VT
  • Average high temperature in August: 76.3°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (25°F).

  • Average low temperature in August: 54.9°F

The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

Average pressure in August
Norwich, VT

Average pressure in August - Norwich, VT
  • 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 (29.91"Hg).

Average wind speed in August
Norwich, VT

Average wind speed in August - Norwich, VT
  • Average wind speed in August: 4.8mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in August
Norwich, VT

Average humidity in August - Norwich, VT
  • Average humidity in August: 79%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (75%).

Average rainfall in August
Norwich, VT

Average rainfall in August - Norwich, VT
  • Average rainfall in August: 2.17"

The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in August
Norwich, VT

Average rainfall days in August - Norwich, VT
  • Average rainfall days in August: 15.9 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in August
Norwich, VT

Average snowfall in August - Norwich, VT
  • Average snowfall in August: 0"

The month with the highest snowfall is February (11.57").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Norwich, VT

Average snowfall days in August - Norwich, VT
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Norwich, VT

Average daylight in August / Average sunshine in August - Norwich, VT
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in August
Norwich, VT

Average sunshine days in August - Norwich, VT
  • Average sunshine days in August: 12.4 days

The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is February (9.8 days).

Average UV index in August
Norwich, VT

Average UV index in August - Norwich, VT
  • 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 February and December (UV index 1).

Average cloud cover in August
Norwich, VT

Average cloud cover in August - Norwich, VT
  • Average cloud cover in August: 37

The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in August
Norwich, VT

Average visibility in August - Norwich, VT
  • Average visibility in August: 5mi

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

Norwich, Vermont, USA

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