August weather forecast
Osage, IA

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Weather in August

August, the last month of the summer in Osage, is also a moderately hot month, with temperature in the range of an average high of 76.8°F (24.9°C) and an average low of 59.5°F (15.3°C).

Temperature

As Osage, Iowa, transitions from July to August, the average high-temperatures adjust to a still warm 76.8°F (24.9°C), nearly the same as the previous 78.6°F (25.9°C). Osage witnesses a consistent average low-temperature of 59.5°F (15.3°C) throughout August.

Humidity

In Osage, the average relative humidity in August is 82%.

Rainfall

In August, the rain falls for 15.5 days. Throughout August, 2.56" (65mm) of precipitation is accumulated. In Osage, during the entire year, the rain falls for 135.3 days and collects up to 26.54" (674mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 54min.
On the first day of the month, sunrise is at 6:02 am and sunset at 8:32 pm. On the last day of August, sunrise is at 6:35 am and sunset at 7:47 pm CDT.

Sunshine

In August, the average sunshine in Osage is 9.7h.

UV index

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In August, the maximum UV index of 5 suggests this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. It's recommended to limit sun exposure when its radiation is at its peak during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August?

The average high-temperature, in August, in Osage, is 76.8°F (24.9°C), while the average low-temperature is 59.5°F (15.3°C).

What is the average humidity in August?

In August, the average relative humidity is 82%.

How much does it rain in August?

In Osage, during August, the rain falls for 15.5 days and regularly aggregates up to 2.56" (65mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in August?

The average day length in August is 13h and 54min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:02 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:47 pm CDT.

How long on average sun shines in August?

In August, the average sunshine duration is 9.7h.

What is the UV index intensity in August?

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Osage, IA

Average temperature in August - Osage, IA
  • Average high temperature in August: 76.8°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (21.6°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 (9°F).

Average pressure in August
Osage, IA

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

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in August
Osage, IA

Average wind speed in August - Osage, IA
  • Average wind speed in August: 7.3mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).

Average humidity in August
Osage, IA

Average humidity in August - Osage, IA
  • Average humidity in August: 82%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (73%).

Average rainfall in August
Osage, IA

Average rainfall in August - Osage, IA
  • Average rainfall in August: 2.56"

The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is January (0.94").

Average rainfall days in August
Osage, IA

Average rainfall days in August - Osage, IA
  • Average rainfall days in August: 15.5 days

The month with the highest number of rainy days is June (19.2 days).
The month with the least rainy days is February (3 days).

Average snowfall in August
Osage, IA

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

The month with the highest snowfall is February (6.46").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Osage, IA

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

The month with the highest number of snowfall days is December (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Osage, 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 0min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in August
Osage, IA

Average sunshine days in August - Osage, IA
  • Average sunshine days in August: 13 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.5 days).

Average UV index in August
Osage, IA

Average UV index in August - Osage, 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, February, November and December (UV index 1).

Average cloud cover in August
Osage, IA

Average cloud cover in August - Osage, IA
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in August
Osage, IA

Average visibility in August - Osage, IA
  • Average visibility in August: 6mi

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

Osage, Iowa, USA

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