August weather forecast
Colby, WI

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Weather in August

August, the last month of the summer in Colby, is also a moderately hot month, with an average temperature ranging between min 56.7°F (13.7°C) and max 75.4°F (24.1°C).

Temperature

Colby experiences an average high-temperature of a still moderately hot 75.4°F (24.1°C) with the onset of August, subtly varied from July's 76.8°F (24.9°C). August brings an average low-temperature of 56.7°F (13.7°C) to Colby.

Humidity

The average relative humidity in August is 81%.

Rainfall

In Colby, in August, during 11.9 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Colby, during the entire year, the rain falls for 102.5 days and collects up to 11.18" (284mm) of precipitation.

Snowfall

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

Daylight

In Colby, Wisconsin, 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 Colby, Wisconsin, is 9.3h.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index in Colby. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 5 in August translates into the following instructions:
Take precautions - Protection against sun damage is advised. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August in Colby?

In Colby, 75.4°F (24.1°C) is the average high-temperature and 56.7°F (13.7°C) is the average low-temperature during August.

What is the average humidity in August in Colby?

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

How many days does it rain in August in Colby?

In Colby, in August, during 11.9 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

When it does not snow in Colby?

In Colby, Wisconsin, snow does not fall in June through September.

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

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

When are sunrise and sunset in August in Colby?

On the first day of August, 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 Colby have in August?

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

When is the highest UV index in Colby?

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

How high is the UV index in August in Colby?

In August, the average daily maximum UV index in Colby, Wisconsin, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Colby, WI

Average temperature in August - Colby, 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
Colby, WI

Average pressure in August - Colby, 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
Colby, WI

Average wind speed in August - Colby, 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
Colby, WI

Average humidity in August - Colby, 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
Colby, WI

Average rainfall in August - Colby, 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
Colby, WI

Average rainfall days in August - Colby, 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
Colby, WI

Average snowfall in August - Colby, 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
Colby, WI

Average snowfall days in August - Colby, 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
Colby, WI

Average daylight in August / Average sunshine in August - Colby, WI
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
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
Colby, WI

Average sunshine days in August - Colby, 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
Colby, WI

Average UV index in August - Colby, 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
Colby, WI

Average cloud cover in August - Colby, 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
Colby, WI

Average visibility in August - Colby, 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).

Colby, Wisconsin, USA

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