Climate and monthly weather forecast
Ossian, IA

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Weather in January

January, like December, is another subzero cold winter month in Ossian, Iowa, with temperature in the range of an average low of 9.7°F (-12.4°C) and an average high of 22.3°F (-5.4°C). January stands out as Ossian's coldest month, with temperatures ranging between an average high of 22.3°F (-5.4°C) and a low of 9.7°F (-12.4°C). Weather in January »

Weather in February

February, the last month of the winter in Ossian, is another freezing cold month, with temperature in the range of an average high of 26.1°F (-3.3°C) and an average low of 12.7°F (-10.7°C). The arrival of February brings an average high-temperature of a still subzero cold 26.1°F (-3.3°C), nearly identical to January's 22.3°F (-5.4°C). Weather in February »

Weather in March

The first month of the spring, March, is an icy month in Ossian, Iowa, with an average temperature varying between 41°F (5°C) and 26.8°F (-2.9°C). A noticeable upsurge in temperatures is seen as February gives way to March, with average highs moving from a freezing cold 26.1°F (-3.3°C) to an icy 41°F (5°C). Weather in March »

Weather in April

April is a cool spring month in Ossian, Iowa, with temperature in the range of an average high of 54°F (12.2°C) and an average low of 37.4°F (3°C). The arrival of April brings an increase in high-temperatures, moving from an icy 41°F (5°C) in March to a cool 54°F (12.2°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Ossian, Iowa, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 65.7°F (18.7°C). May's onset witnesses a shift in the average high-temperature, moving from a cool 54°F (12.2°C) in April to a refreshing 65.7°F (18.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Ossian, Iowa, with an average temperature fluctuating between 75°F (23.9°C) and 58.6°F (14.8°C). In June, the average high-temperature increases from a comfortable 65.7°F (18.7°C) in May to a warm 75°F (23.9°C). Weather in June »

Weather in July

July, like June, in Ossian, Iowa, is a moderately hot summer month, with an average temperature varying between 78.4°F (25.8°C) and 61.9°F (16.6°C). With average temperatures fluctuating between a high of 78.4°F (25.8°C) and a low of 61.9°F (16.6°C), July stands out as the warmest month. Weather in July »

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). 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. Weather in August »

Weather in September

September, the first month of the autumn in Ossian, is also an agreeable month, with an average temperature ranging between max 70.7°F (21.5°C) and min 52°F (11.1°C). With the onset of September, Ossian experiences a modest temperature adjustment, with the average high-temperature gently receding from a warm 77.2°F (25.1°C) in August to an agreeable 70.7°F (21.5°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in Ossian, Iowa, with an average temperature fluctuating between 56.3°F (13.5°C) and 41.2°F (5.1°C). Ossian's weather experiences a significant temperature drop with the arrival of October, falling from an agreeable 70.7°F (21.5°C) in September to a mild 56.3°F (13.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an icy month in Ossian, Iowa, with temperature in the range of an average low of 29.3°F (-1.5°C) and an average high of 41.9°F (5.5°C). With the beginning of November, Ossian's average high-temperature experiences a significant decrease, moving from a refreshing 56.3°F (13.5°C) in October to a wintry 41.9°F (5.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Ossian, Iowa, with an average temperature fluctuating between 28.4°F (-2°C) and 18.3°F (-7.6°C). Ossian in December demonstrates a small temperature transition, adjusting from an average high of an icy 41.9°F (5.5°C) in November to a freezing cold 28.4°F (-2°C). Weather in December »
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Frequently asked questions

What is the coldest time of year in Ossian?

January is the month that records the lowest temperatures in Ossian, Iowa, with averages ranging from a high of 22.3°F (-5.4°C) to a low of 9.7°F (-12.4°C).

What are the most humid months in Ossian?

January and February, with an average relative humidity of 89%, are most humid months in Ossian.

What is the driest month in Ossian?

January is the month with the least rainfall in Ossian, Iowa. Rain falls for 4.5 days and accumulates 1.1" (28mm) of precipitation.

How much does it rain in Ossian?

In Ossian, Iowa, during the entire year, the rain falls for 149 days and collects up to 30.59" (777mm) of precipitation.

When does it snow in Ossian?

January through May, October through December are months with snowfall in Ossian, Iowa.

How much does it snow in Ossian?

In Ossian, during the entire year, snow falls for 60.9 days and aggregates up to 24.37" (619mm) of snow.

What is the month with the least sunshine in Ossian?

With an average of 3.5h of sunshine, January has the least sunshine of the year in Ossian.

What is the month with the lowest UV index in Ossian?

The months with the lowest UV index in Ossian, Iowa, are January, February, November and December, with an average maximum UV index of 1.

What is the snowiest month in Ossian?

The month with the most snowfall is February, when snow falls for 12.8 days and typically aggregates up to 5.98" (152mm) of snow.

When is Daylight Saving Time (DST) in Ossian?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What are the months with the highest UV index in Ossian?

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

What is the rainiest month in Ossian?

The month with the most rainfall in Ossian is June, when the rain falls for 20.3 days and typically aggregates up to 5.04" (128mm) of precipitation.

When it does not snow in Ossian?

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

When are the longest days in Ossian?

June has the longest days of the year, with an average of 15h and 18min of daylight.

What is the hottest time of year in Ossian?

During the warmest month in Ossian, July, temperatures average a high of 78.4°F (25.8°C) and a low of 61.9°F (16.6°C).

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, Iowa.

What is the least humid month in Ossian?

The least humid month in Ossian is October, with an average relative humidity of 76%.

What is the month with the shortest days in Ossian?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

Average pressure
Ossian, IA

Average pressure - Ossian, IA

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
Ossian, IA

Average wind speed - Ossian, IA

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
Ossian, IA

Average humidity - Ossian, IA

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
Ossian, IA

Average rainfall - Ossian, IA

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
Ossian, IA

Average rainfall days - Ossian, IA

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
Ossian, IA

Average snowfall - Ossian, IA

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
Ossian, IA

Average snowfall days - Ossian, IA

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 / Average sunshine
Ossian, IA

Average daylight / Average sunshine - Ossian, IA

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).

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
Ossian, IA

Average sunshine days - Ossian, IA

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
Ossian, IA

Average UV index - Ossian, IA

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 visibility
Ossian, IA

Average visibility - Ossian, IA

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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