August weather forecast
Colesburg, IA

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Weather in August

The last month of the summer, August, is another warm month in Colesburg, Iowa, with temperature in the range of an average high of 78.4°F (25.8°C) and an average low of 59.5°F (15.3°C).

Temperature

The average high-temperature for August is a still moderately hot 78.4°F (25.8°C), closely aligning with the temperature of the preceding month. Colesburg experiences a consistent average temperature of 59.5°F (15.3°C) throughout the nights in August.

Humidity

The average relative humidity in August is 81%.

Rainfall

In August, in Colesburg, the rain falls for 12.6 days. Throughout August, 1.81" (46mm) of precipitation is accumulated. In Colesburg, during the entire year, the rain falls for 138.5 days and collects up to 28.46" (723mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day in Colesburg is 13h and 52min.
On the first day of the month, sunrise is at 5:57 am and sunset at 8:24 pm. On the last day of August, sunrise is at 6:29 am and sunset at 7:40 pm CDT.

Sunshine

The months with the most sunshine are July and August, with an average of 9.9h of sunshine.

UV index

In Colesburg, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 5 during August translates into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

The average high-temperature and low-temperature during August are 78.4°F (25.8°C) and 59.5°F (15.3°C) respectively.

What is the average humidity in August?

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

How many days does it rain in August in Colesburg?

In August, the rain falls for 12.6 days. Throughout August, 1.81" (46mm) of precipitation is accumulated.

When it does not snow?

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

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

In Colesburg, Iowa, the average day length in August is 13h and 52min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:57 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:40 pm CDT.

What is the month with the most sunshine?

The months with the most sunshine are July and August, with an average of 9.9h of sunshine.

How long on average sun shines in August?

The average sunshine duration in August is 9.9h.

What is the UV index reading in August?

In Colesburg, 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 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
Colesburg, IA

Average temperature in August - Colesburg, IA
  • Average high temperature in August: 78.4°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (23.7°F).

  • Average low temperature in August: 59.5°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).

Average pressure in August
Colesburg, IA

Average pressure in August - Colesburg, IA
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Colesburg, IA

Average wind speed in August - Colesburg, IA
  • Average wind speed in August: 6.6mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in August
Colesburg, IA

Average humidity in August - Colesburg, IA
  • Average humidity in August: 81%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (75%).

Average rainfall in August
Colesburg, IA

Average rainfall in August - Colesburg, IA
  • Average rainfall in August: 1.81"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in August
Colesburg, IA

Average rainfall days in August - Colesburg, IA
  • Average rainfall days in August: 12.6 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (4.4 days).

Average snowfall in August
Colesburg, IA

Average snowfall in August - Colesburg, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (5.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Colesburg, IA

Average snowfall days in August - Colesburg, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Colesburg, IA

Average daylight in August / Average sunshine in August - Colesburg, IA
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in August: 9h and 5min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in August
Colesburg, IA

Average sunshine days in August - Colesburg, IA
  • Average sunshine days in August: 16.6 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in August
Colesburg, IA

Average UV index in August - Colesburg, IA
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in August
Colesburg, IA

Average cloud cover in August - Colesburg, IA
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in August
Colesburg, IA

Average visibility in August - Colesburg, IA
  • Average visibility in August: 5mi

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

Colesburg, Iowa, USA

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