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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 Clarksville, Iowa, is another subzero cold winter month, with temperature in the range of an average low of 11.3°F (-11.5°C) and an average high of 23.9°F (-4.5°C). Clarksville's temperature records reveal January as the coldest month, marked by average highs of 23.9°F (-4.5°C) and lows of 11.3°F (-11.5°C). Weather in January »
Weather in February
February, the last month of the winter in Clarksville, is another freezing cold month, with an average temperature varying between 27.7°F (-2.4°C) and 14.5°F (-9.7°C). With the start of February, Clarksville measures an average high-temperature of a still subzero cold 27.7°F (-2.4°C), not significantly differing from January's 23.9°F (-4.5°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Clarksville, Iowa, with an average temperature ranging between max 43°F (6.1°C) and min 28.9°F (-1.7°C). Clarksville witnesses a significant increase in the average high-temperature with the arrival of March, rising from February's freezing cold 27.7°F (-2.4°C) to a frosty 43°F (6.1°C). Weather in March »
Weather in April
April in Clarksville, Iowa, is a mild spring month, with an average temperature ranging between min 39.7°F (4.3°C) and max 56.1°F (13.4°C). In Clarksville, stepping into April brings a temperature increase, moving up from March's frosty 43°F (6.1°C) to a moderate 56.1°F (13.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Clarksville, Iowa, with temperature in the range of an average high of 67.8°F (19.9°C) and an average low of 51.4°F (10.8°C). Clarksville's transition into May sees a rise in the average high-temperature, advancing from a refreshing 56.1°F (13.4°C) in April to a comfortable 67.8°F (19.9°C). Weather in May »
Weather in June
June, the first month of the summer in Clarksville, is a moderately hot month, with an average temperature varying between 77°F (25°C) and 60.8°F (16°C). The rise of average high-temperatures is seen in June, with an increase from a comfortable 67.8°F (19.9°C) in May to a moderately hot 77°F (25°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Clarksville, Iowa, with an average temperature fluctuating between 63°F (17.2°C) and 79.5°F (26.4°C). During the warmest month, July, temperatures average a high of 79.5°F (26.4°C) and a low of 63°F (17.2°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Clarksville, Iowa, with an average temperature varying between 78.3°F (25.7°C) and 60.4°F (15.8°C). The introduction of August notes a subtle temperature variation to a still moderately hot 78.3°F (25.7°C) from July's 79.5°F (26.4°C). Weather in August »
Weather in September
September, the first month of the autumn in Clarksville, is still a pleasant month, with temperature in the range of an average high of 72.9°F (22.7°C) and an average low of 54°F (12.2°C). The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a warm 78.3°F (25.7°C) in August to an agreeable 72.9°F (22.7°C). Weather in September »
Weather in October
October, the same as September, in Clarksville, Iowa, is another refreshing autumn month, with an average temperature varying between 58.1°F (14.5°C) and 43°F (6.1°C). October signals a clear temperature drop, with average high-temperatures decreasing from September's pleasant 72.9°F (22.7°C) to a moderate 58.1°F (14.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Clarksville, Iowa, with temperature in the range of an average high of 43.5°F (6.4°C) and an average low of 30.9°F (-0.6°C). As Clarksville transitions into November, a marked decrease in the average high-temperature is observed, dropping from a refreshing 58.1°F (14.5°C) in October to a chilly 43.5°F (6.4°C). Weather in November »
Weather in December
December, the first month of the winter in Clarksville, is also a subzero cold month, with an average temperature fluctuating between 30.2°F (-1°C) and 19.8°F (-6.8°C). As December begins, there is a decrease in the average high-temperature, falling from a chilly 43.5°F (6.4°C) in November to a subzero cold 30.2°F (-1°C). Weather in December »
Updated: Aug 29, 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 month is the coldest?
January stands out as Clarksville's coldest month, with temperatures ranging between an average high of 23.9°F (-4.5°C) and a low of 11.3°F (-11.5°C).
What is the most humid month?
The most humid month is January, with an average relative humidity of 87%.
What is the driest month?
January is the month with the least rainfall. Rain falls for 4.2 days and accumulates 1.02" (26mm) of precipitation.
How many days does it rain?
Throughout the year, there are 138.7 rainfall days, and 28.78" (731mm) of precipitation is accumulated.
When does it snow in Clarksville?
Months with snowfall are January through May, October through December.
How much does it snow?
Throughout the year, there are 43.6 snowfall days, and 19.25" (489mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 3.8h of sunshine.
When is the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 10 days and accumulates 5.08" (129mm) 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.
What is the wettest month?
The month with the most rainfall is June, when the rain falls for 19.4 days and typically aggregates up to 4.29" (109mm) of precipitation.
When it does not snow?
In Clarksville, snow does not fall in June through September.
When are the longest days?
With an average of 15h and 18min of daylight, June has the longest days of the year.
When is the highest UV index?
The month with the highest UV index is June, with an average maximum UV index of 6.
What month is the hottest?
Clarksville's warmest weather arrives in July, when temperatures average a high of 79.5°F (26.4°C) and a low of 63°F (17.2°C).
What month has the most sunshine?
The month with the most sunshine is July, with an average of 9.9h of sunshine.
What is the least humid month in Clarksville?
October is the least humid month, with an average relative humidity of 72%.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
Clarksville, IA
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (23.9°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure
Clarksville, IA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"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:
30"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Clarksville, IA
- Average wind speed in January:
10.5mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.2mph - Average wind speed in June:
8.1mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7mph - Average wind speed in September:
8.2mph - Average wind speed in October:
9.8mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity
Clarksville, IA
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Clarksville, IA
- Average rainfall in January:
1.02" - Average rainfall in February:
1.18" - Average rainfall in March:
1.69" - Average rainfall in April:
3.11" - Average rainfall in May:
4.17" - Average rainfall in June:
4.29"
- Average rainfall in July:
2.95" - Average rainfall in August:
2.36" - Average rainfall in September:
2.4" - Average rainfall in October:
2.68" - Average rainfall in November:
1.38" - Average rainfall in December:
1.54"
The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days
Clarksville, IA
- Average rainfall days in January:
4.2 days - Average rainfall days in February:
3.9 days - Average rainfall days in March:
9.6 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
18.7 days - Average rainfall days in June:
19.4 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
14.5 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
10.7 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
5.7 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (3.9 days).
Average snowfall
Clarksville, IA
- Average snowfall in January:
4.33" - Average snowfall in February:
5.08" - Average snowfall in March:
2.36" - Average snowfall in April:
1.89" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Clarksville, IA
- Average snowfall days in January:
10.5 days - Average snowfall days in February:
10 days - Average snowfall days in March:
6.3 days - Average snowfall days in April:
2.1 days - Average snowfall days in May:
0.2 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:
1.2 days - Average snowfall days in November:
3.8 days - Average snowfall days in December:
9.5 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Clarksville, IA
- Average daylight in January:
9h and 3min - 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 5min - 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 5min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Clarksville, IA
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
15.4 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
9.2 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
13.1 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
17.8 days - Average sunshine days in November:
17.8 days - Average sunshine days in December:
17.6 days
The months with the most sunshine days are October and November (17.8 days).
The month with the least sunshine days is June (9.2 days).
Average UV index
Clarksville, IA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Clarksville, IA
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Clarksville, IA
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Clarksville, Iowa, USA
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