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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Ossian, Iowa, is another subzero cold winter month, with an average temperature ranging between max 22.3°F (-5.4°C) and min 9.7°F (-12.4°C). January, marked by an average high-temperature of 22.3°F (-5.4°C) and a low-temperature of 9.7°F (-12.4°C), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Ossian, is another freezing cold month, with an average temperature ranging between min 12.7°F (-10.7°C) and max 26.1°F (-3.3°C). February registers an average high-temperature of a still freezing cold 26.1°F (-3.3°C), slightly varied from January's 22.3°F (-5.4°C). Weather in February »
Weather in March
The first month of the spring, March, is a cold month in Ossian, Iowa, with an average temperature ranging between min 26.8°F (-2.9°C) and max 41°F (5°C). With the onset of March, Ossian experiences a noticeable temperature shift, with the average high-temperature advancing from a subzero cold 26.1°F (-3.3°C) in February to an icy 41°F (5°C). Weather in March »
Weather in April
April in Ossian, Iowa, is a cool spring month, with an average temperature ranging between min 37.4°F (3°C) and max 54°F (12.2°C). The rise of average high-temperatures is seen in April, with an increase from an icy 41°F (5°C) in March to a cool 54°F (12.2°C). Weather in April »
Weather in May
May, the last month of the spring in Ossian, is a refreshing month, with an average temperature fluctuating between 65.7°F (18.7°C) and 48.7°F (9.3°C). May brings a rise in Ossian's average high-temperature, moving from a fresh 54°F (12.2°C) in April to a refreshing 65.7°F (18.7°C). Weather in May »
Weather in June
June, the first month of the summer in Ossian, is a warm month, with an average temperature varying between 58.6°F (14.8°C) and 75°F (23.9°C). June signals a shift in the average high-temperature, moving from May's refreshing 65.7°F (18.7°C) to a warm 75°F (23.9°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Ossian, Iowa, with temperature in the range of an average high of 78.4°F (25.8°C) and an average low of 61.9°F (16.6°C). In Ossian, July is identified by the highest average temperatures, reaching a peak of 78.4°F (25.8°C) and a low of 61.9°F (16.6°C). Weather in July »
Weather in August
August, the last month of the summer in Ossian, is also a moderately hot month, with an average temperature fluctuating between 59.4°F (15.2°C) and 77.2°F (25.1°C). Ossian's average high-temperature in August sits at a still warm 77.2°F (25.1°C), showing little difference from the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Ossian, is still a pleasant month, with an average temperature ranging between max 70.7°F (21.5°C) and min 52°F (11.1°C). September marks a gentle change in average high-temperature, declining from August's moderately hot 77.2°F (25.1°C) to an agreeable 70.7°F (21.5°C). Weather in September »
Weather in October
October, the same as September, in Ossian, Iowa, is another mild autumn month, with temperature in the range of an average high of 56.3°F (13.5°C) and an average low of 41.2°F (5.1°C). The start of October signals a considerable reduction in the average high-temperature, receding from an agreeable 70.7°F (21.5°C) in September to a moderate 56.3°F (13.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Ossian, is also a wintry month, with an average temperature ranging between min 29.3°F (-1.5°C) and max 41.9°F (5.5°C). As Ossian transitions into November, a noticeable drop in the average high-temperature is observed, falling from a refreshing 56.3°F (13.5°C) in October to a cold 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 varying between 28.4°F (-2°C) and 18.3°F (-7.6°C). Ossian experiences a temperature shift at the start of December, with average high-temperatures adjusting from an icy 41.9°F (5.5°C) in November to a freezing cold 28.4°F (-2°C). Weather in December »
Updated: Aug 5, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
The coldest temperatures occur during January, when averages reach a peak of 22.3°F (-5.4°C) and a low of 9.7°F (-12.4°C).
What are the most humid months?
January and February, with an average relative humidity of 89%, are most humid months in Ossian.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 4.5 days and typically collects 1.1" (28mm) of precipitation.
How many days does it rain?
In Ossian, during the entire year, the rain falls for 149 days and collects up to 30.59" (777mm) of precipitation.
When does it snow?
Months with snowfall are January through May, October through December.
How many days does it snow?
Throughout the year, there are 60.9 snowfall days, and 24.37" (619mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 3.5h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index?
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
When does it snow the most?
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)?
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.
When is the highest UV index?
The months with the highest UV index in Ossian are May through August, with an average maximum UV index of 5.
What is the wettest month?
The month with the most rainfall 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?
June through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 18min of daylight.
What is the hottest time of year?
The highest temperatures are recorded in July, with averages reaching 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?
The month with the most sunshine is August, with an average of 9.8h of sunshine.
What is the least humid month in Ossian?
The least humid month is October, with an average relative humidity of 76%.
What is the month with the shortest days?
With an average of 9h and 6min of daylight, December has the shortest days of the year.
Average temperature
Ossian, IA
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).
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).
Average pressure
Ossian, IA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.1"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).
Average wind speed
Ossian, IA
- Average wind speed in January:
10.2mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.4mph - Average wind speed in May:
9mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7mph - Average wind speed in September:
8.1mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.7mph
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).
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%).
Average rainfall
Ossian, IA
- Average rainfall in January:
1.1" - Average rainfall in February:
1.26" - Average rainfall in March:
1.81" - Average rainfall in April:
3.39" - Average rainfall in May:
4.06" - Average rainfall in June:
5.04"
The wettest month (with the highest rainfall) is June (5.04").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days
Ossian, IA
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
4.4 days - Average rainfall days in March:
10.7 days - Average rainfall days in April:
16.5 days - Average rainfall days in May:
20.3 days - Average rainfall days in June:
20.3 days
- Average rainfall days in July:
18 days - Average rainfall days in August:
14.9 days - Average rainfall days in September:
13.3 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
8 days - Average rainfall days in December:
6.4 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).
Average snowfall
Ossian, IA
- Average snowfall in January:
5.63" - Average snowfall in February:
5.98" - Average snowfall in March:
2.95" - Average snowfall in April:
2.44" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Ossian, IA
- Average snowfall days in January:
14.3 days - Average snowfall days in February:
12.8 days - Average snowfall days in March:
8.8 days - Average snowfall days in April:
3.8 days - Average snowfall days in May:
0.4 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.8 days - Average snowfall days in November:
5.9 days - Average snowfall days in December:
13.1 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).
Average daylight / Average sunshine
Ossian, IA
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 1min
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 January:
3h and 3min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 1min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h 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).
Average sunshine days
Ossian, IA
- Average sunshine days in January:
14 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
13 days - Average sunshine days in April:
10.3 days - Average sunshine days in May:
8.2 days - Average sunshine days in June:
7.1 days
- Average sunshine days in July:
8.6 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
15.6 days - Average sunshine days in November:
16.2 days - Average sunshine days in December:
14.5 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).
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).
Average cloud cover
Ossian, IA
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
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).
Ossian, Iowa, USA
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