August weather forecast
Dorchester, WI

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Weather in August

The last month of the summer, August, is also a moderately hot month in Dorchester, Wisconsin, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 56.7°F (13.7°C).

Temperature

The ushering in of August brings an average high-temperature of a still warm 75.4°F (24.1°C), closely mirroring the 76.8°F (24.9°C) of July. The average temperature during August nights in Dorchester is registered at a refreshing 56.7°F (13.7°C).

Humidity

In August, the average relative humidity in Dorchester, Wisconsin, is 81%.

Rainfall

In Dorchester, in August, it is raining for 11.9 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, in Dorchester, there are 102.5 rainfall days, and 11.18" (284mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Dorchester.

Daylight

The average length of the day in August is 14h and 1min.
On the first day of the month, sunrise is at 5:47 am and sunset at 8:27 pm. On the last day of August, sunrise is at 6:23 am and sunset at 7:39 pm CDT.

Sunshine

In August, the average sunshine in Dorchester is 9.3h.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index in Dorchester. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, a daily maximum UV index of 5 leads to the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Dorchester in August?

The high-temperature, in August, in Dorchester, is 75.4°F (24.1°C), while the low-temperature averages to 56.7°F (13.7°C).

What is the average humidity in August in Dorchester?

In Dorchester, Wisconsin, the average relative humidity in August is 81%.

How many days does it rain in August in Dorchester?

In Dorchester, in August, it is raining for 11.9 days, with typically 1.14" (29mm) of accumulated precipitation.

When it does not snow in Dorchester?

June through September are months without snowfall.

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

In Dorchester, the average day length in August is 14h and 1min.

When is the sunrise / sunset in August in Dorchester?

On the first day of August in Dorchester, sunrise is at 5:47 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:39 pm CDT.

How many hours of sunshine does Dorchester have in August?

In Dorchester, the average sunshine duration in August is 9.3h.

When is the highest UV index in Dorchester?

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

What is the UV index intensity in August in Dorchester?

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
Dorchester, WI

Average temperature in August - Dorchester, WI
  • Average high temperature in August: 75.4°F

The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (18.9°F).

  • Average low temperature in August: 56.7°F

The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (6.4°F).

Average pressure in August
Dorchester, WI

Average pressure in August - Dorchester, WI
  • Average pressure in August: 29.95"Hg

The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Dorchester, WI

Average wind speed in August - Dorchester, WI
  • Average wind speed in August: 7mph

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (7mph).

Average humidity in August
Dorchester, WI

Average humidity in August - Dorchester, WI
  • Average humidity in August: 81%

The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are April and May (78%).

Average rainfall in August
Dorchester, WI

Average rainfall in August - Dorchester, WI
  • Average rainfall in August: 1.14"

The wettest month (with the highest rainfall) is June (1.61").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in August
Dorchester, WI

Average rainfall days in August - Dorchester, WI
  • Average rainfall days in August: 11.9 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (1.5 days).

Average snowfall in August
Dorchester, WI

Average snowfall in August - Dorchester, WI
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Dorchester, WI

Average snowfall days in August - Dorchester, WI
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Dorchester, WI

Average daylight in August / Average sunshine in August - Dorchester, WI
  • 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 2min

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

Average sunshine days in August
Dorchester, WI

Average sunshine days in August - Dorchester, WI
  • Average sunshine days in August: 16.2 days

The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is June (12.4 days).

Average UV index in August
Dorchester, WI

Average UV index in August - Dorchester, WI
  • Average UV index in August: 5

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

Average cloud cover in August
Dorchester, WI

Average cloud cover in August - Dorchester, WI
  • Average cloud cover in August: 37

The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 37).

Average visibility in August
Dorchester, WI

Average visibility in August - Dorchester, WI
  • Average visibility in August: 5mi

The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August, September and December (5mi).

Dorchester, Wisconsin, USA

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