Climate and monthly weather forecastClarksville, IN
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Clarksville, Indiana, with an average temperature varying between 25.9°F (-3.4°C) and 38.8°F (3.8°C). With average temperatures fluctuating between a high of 38.8°F (3.8°C) and a low of 25.9°F (-3.4°C), January stands out as the coldest month. Weather in January »Weather in February
February, the last month of the winter in Clarksville, is a chilly month, with an average temperature fluctuating between 28.9°F (-1.7°C) and 43.7°F (6.5°C). The arrival of February brings an average high-temperature of a chilly 43.7°F (6.5°C), nearly identical to January's 38.8°F (3.8°C). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Clarksville, Indiana, with an average temperature ranging between min 37.6°F (3.1°C) and max 54.1°F (12.3°C). As Clarksville transitions into March, the average high-temperature shows a change, moving from a chilly 43.7°F (6.5°C) in February to a cool 54.1°F (12.3°C). Weather in March »Weather in April
April is an enjoyable spring month in Clarksville, Indiana, with an average temperature fluctuating between 47.5°F (8.6°C) and 66.2°F (19°C). April's arrival brings a temperature shift, moving from a cool 54.1°F (12.3°C) in March to a refreshing 66.2°F (19°C). Weather in April »Weather in May
May, the last month of the spring in Clarksville, is a moderately hot month, with an average temperature varying between 57.2°F (14°C) and 75.7°F (24.3°C). Observing a rise in May, the average high-temperature goes from April's comfortable 66.2°F (19°C) to a warm 75.7°F (24.3°C). Weather in May »Weather in June
June, the first month of the summer in Clarksville, is still a warm month, with temperature in the range of an average high of 84°F (28.9°C) and an average low of 64.2°F (17.9°C). Observing a slight rise in June, the average high-temperature shifts from May's warm 75.7°F (24.3°C) to a still moderately hot 84°F (28.9°C). Weather in June »Weather in July
July is a tropical summer month in Clarksville, Indiana, with an average temperature ranging between max 87.1°F (30.6°C) and min 67.5°F (19.7°C). July temperatures tend to peak at an average high of 87.1°F (30.6°C) and dip to a low of 67.5°F (19.7°C). July's average heat index is computed to be a very hot 100.4°F (38°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Clarksville, Indiana, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 85.6°F (29.8°C). With August's advent, Clarksville sees an average high-temperature of a warm 85.6°F (29.8°C), subtly shifted from July's 87.1°F (30.6°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Clarksville, Indiana, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 60.1°F (15.6°C). With the onset of September, Clarksville experiences a modest temperature adjustment, with the average high-temperature gently receding from a moderately hot 85.6°F (29.8°C) in August to a still warm 79.3°F (26.3°C). Weather in September »Weather in October
October, like September, in Clarksville, Indiana, is another refreshing autumn month, with an average temperature varying between 66.7°F (19.3°C) and 48.6°F (9.2°C). Clarksville in October demonstrates a small temperature transition, adjusting from an average high of a moderately hot 79.3°F (26.3°C) in September to an enjoyable 66.7°F (19.3°C). Weather in October »Weather in November
November, the last month of the autumn in Clarksville, is also a fresh month, with temperature in the range of an average high of 53.2°F (11.8°C) and an average low of 37.6°F (3.1°C). In November, the average high-temperature goes from an enjoyable 66.7°F (19.3°C) in October to a cool 53.2°F (11.8°C). Weather in November »Weather in December
December, the first month of the winter in Clarksville, is also a frosty month, with an average temperature fluctuating between 31.8°F (-0.1°C) and 44.1°F (6.7°C). With December's onset, the average high-temperature recedes from November's cool 53.2°F (11.8°C) to a frosty 44.1°F (6.7°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Clarksville, IN
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (38.8°F).
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure
Clarksville, IN
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Clarksville, IN
- Average wind speed in January:
7.8mph - Average wind speed in February:
7.7mph - Average wind speed in March:
7.5mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
4.9mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.8mph - Average wind speed in December:
7.1mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity
Clarksville, IN
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August and October (73%).
Average rainfall
Clarksville, IN
- Average rainfall in January:
1.06" - Average rainfall in February:
1.57" - Average rainfall in March:
1.38" - Average rainfall in April:
1.81" - Average rainfall in May:
1.89" - Average rainfall in June:
1.54"
- Average rainfall in July:
1.89" - Average rainfall in August:
1.54" - Average rainfall in September:
1.06" - Average rainfall in October:
1.34" - Average rainfall in November:
1.26" - Average rainfall in December:
1.3"
The wettest months (with the highest rainfall) are May and July (1.89").
The driest months (with the least rainfall) are January and September (1.06").
Average rainfall days
Clarksville, IN
- Average rainfall days in January:
9 days - Average rainfall days in February:
8.9 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
16 days - Average rainfall days in June:
12.4 days
- Average rainfall days in July:
15.5 days - Average rainfall days in August:
14.4 days - Average rainfall days in September:
12.4 days - Average rainfall days in October:
9.8 days - Average rainfall days in November:
9 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (8.9 days).
Average snowfall
Clarksville, IN
The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Clarksville, IN
- Average snowfall days in January:
7.3 days - Average snowfall days in February:
6.9 days - Average snowfall days in March:
3.4 days - Average snowfall days in April:
0.5 days - Average snowfall days in May:
0 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:
0.1 days - Average snowfall days in November:
1.6 days - Average snowfall days in December:
5.2 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Clarksville, IN
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
5h and 30min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 24min - Average sunshine in October:
7h and 0min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 24min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days
Clarksville, IN
- Average sunshine days in January:
16.3 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
14 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
14.8 days - Average sunshine days in October:
19.2 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
15.2 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.7 days).
Average UV index
Clarksville, IN
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Clarksville, IN
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Clarksville, IN
The months with the highest visibility are March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and May (5mi).





