August weather forecast
Ossian, IA

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Weather in August

August, the last month of the summer in Ossian, is another warm month, with temperature in the range of an average high of 77.2°F (25.1°C) and an average low of 59.4°F (15.2°C).

Temperature

In Ossian, August's average high-temperature stands at a still moderately hot 77.2°F (25.1°C), closely related to the preceding month. August's nights in Ossian, Iowa, observe an average temperature of 59.4°F (15.2°C).

Humidity

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

Rainfall

In August, the rain falls for 14.9 days. Throughout August, 2.6" (66mm) of precipitation is accumulated. In Ossian, during the entire year, the rain falls for 149 days and collects up to 30.59" (777mm) of precipitation.

Snowfall

June through September are months without snowfall in Ossian.

Daylight

In August, the average length of the day in Ossian is 13h and 53min.
On the first day of the month, sunrise is at 5:58 am and sunset at 8:28 pm. On the last day of August, in Ossian, sunrise is at 6:31 am and sunset at 7:43 pm CDT.

Sunshine

With an average of 9.8h of sunshine, August has the most sunshine of the year in Ossian, Iowa.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in Ossian, Iowa. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 5 during August leads to these advisories:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What are August temperatures in Ossian?

In Ossian, in August, the average high-temperature is 77.2°F (25.1°C), and the average low-temperature is 59.4°F (15.2°C).

What is the average humidity in August in Ossian?

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

How many days does it rain in August in Ossian?

In Ossian, in August, during 14.9 rainfall days, 2.6" (66mm) of precipitation is typically accumulated.

When it does not snow in Ossian?

June through September are months without snowfall in Ossian, Iowa.

How many hours of daylight does Ossian have in August?

In Ossian, Iowa, the average day length in August is 13h and 53min.

When are sunrise and sunset in August in Ossian?

In August, on the first day of the month, sunrise is at 5:58 am and sunset at 8:28 pm. On the last day of the month, in Ossian, Iowa, sunrise is at 6:31 am and sunset at 7:43 pm CDT.

What month has the most sunshine in Ossian?

With an average of 9.8h of sunshine, August has the most sunshine of the year in Ossian.

How many hours of sunshine does Ossian have in August?

The average sunshine duration in August in Ossian is 9.8h.

When is the highest UV index in Ossian?

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

How high is the UV index in August in Ossian?

In Ossian, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
Ossian, IA

Average temperature in August - Ossian, IA
  • Average high temperature in August: 77.2°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (22.3°F).

  • Average low temperature in August: 59.4°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).

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Average pressure in August
Ossian, IA

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

The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in August
Ossian, IA

Average wind speed in August - Ossian, IA
  • Average wind speed in August: 7mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average humidity in August
Ossian, IA

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

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in August
Ossian, IA

Average rainfall in August - Ossian, IA
  • Average rainfall in August: 2.6"

The wettest month (with the highest rainfall) is June (5.04").
The driest month (with the least rainfall) is January (1.1").

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Average rainfall days in August
Ossian, IA

Average rainfall days in August - Ossian, IA
  • Average rainfall days in August: 14.9 days

The months with the highest number of rainy days are May and June (20.3 days).
The month with the least rainy days is February (4.4 days).

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Average snowfall in August
Ossian, IA

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

The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Ossian, IA

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

The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Ossian, 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 month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in August
Ossian, IA

Average sunshine days in August - Ossian, IA
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (7.1 days).

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Average UV index in August
Ossian, IA

Average UV index in August - Ossian, IA
  • 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 January, February, November and December (UV index 1).

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Average cloud cover in August
Ossian, IA

Average cloud cover in August - Ossian, 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).

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Average visibility in August
Ossian, IA

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

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

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Ossian, Iowa, USA

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