Climate and monthly weather forecastHartsville, IN
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Hartsville, Indiana, with an average temperature fluctuating between 34.7°F (1.5°C) and 22.3°F (-5.4°C). The coldest period is January, when temperatures fluctuate between an average high of 34.7°F (1.5°C) and a low of 22.3°F (-5.4°C). Weather in January »Weather in February
February, the last month of the winter in Hartsville, is also an icy month, with temperature in the range of an average low of 25.7°F (-3.5°C) and an average high of 39.4°F (4.1°C). Transitioning into February, Hartsville records an average high-temperature of a still icy 39.4°F (4.1°C), almost identical to January's 34.7°F (1.5°C). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Hartsville, Indiana, with temperature in the range of an average high of 50.5°F (10.3°C) and an average low of 35.2°F (1.8°C). Hartsville's transition into March is marked by a rise in the average high-temperature, advancing from a wintry 39.4°F (4.1°C) in February to a cool 50.5°F (10.3°C). Weather in March »Weather in April
April is a comfortable spring month in Hartsville, Indiana, with an average temperature varying between 62.2°F (16.8°C) and 45.7°F (7.6°C). The transition to April introduces an increase in the average high-temperature, shifting from a fresh 50.5°F (10.3°C) in March to a refreshing 62.2°F (16.8°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Hartsville, Indiana, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 72.3°F (22.4°C). As Hartsville transitions into May, a rise in the average high-temperature is observed, moving from a comfortable 62.2°F (16.8°C) in April to a pleasant 72.3°F (22.4°C). Weather in May »Weather in June
June, the first month of the summer in Hartsville, is a warm month, with an average temperature varying between 63°F (17.2°C) and 79.7°F (26.5°C). As Hartsville enters June, the average high-temperature marginally increases from the an agreeable 72.3°F (22.4°C) of May to a warm 79.7°F (26.5°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Hartsville, Indiana, with an average temperature varying between 65.1°F (18.4°C) and 82.4°F (28°C). Hartsville witnesses the warmest weather in July, with temperatures averaging a high of 82.4°F (28°C) and a low of 65.1°F (18.4°C). The heat index in July is estimated at a tropical 89.6°F (32°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Hartsville, Indiana, with an average temperature varying between 63.1°F (17.3°C) and 81.3°F (27.4°C). As Hartsville transitions from July to August, the average high-temperatures adjust to a still warm 81.3°F (27.4°C), nearly the same as the previous 82.4°F (28°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Hartsville, Indiana, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 75.9°F (24.4°C). Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a warm 81.3°F (27.4°C) to a still moderately hot 75.9°F (24.4°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Hartsville, Indiana, with an average temperature ranging between max 63.7°F (17.6°C) and min 47.1°F (8.4°C). Hartsville's transition into October involves a shift in temperature, receding from a moderately hot 75.9°F (24.4°C) in September to an enjoyable 63.7°F (17.6°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Hartsville, Indiana, with an average temperature ranging between min 36.5°F (2.5°C) and max 50.4°F (10.2°C). The onset of November results in a decrease in the average high-temperature, receding from a comfortable 63.7°F (17.6°C) in October to a fresh 50.4°F (10.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Hartsville, Indiana, with an average temperature varying between 29.3°F (-1.5°C) and 40.1°F (4.5°C). The onset of December introduces a moderate change in Hartsville's weather, with average high-temperatures falling from November's fresh 50.4°F (10.2°C) to a wintry 40.1°F (4.5°C). Weather in December »Updated: Jul 9, 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
Hartsville reaches its average lowest temperatures in January, measuring 34.7°F (1.5°C) at the peak and 22.3°F (-5.4°C) at the lowest.
Throughout the year, there are 169.5 rainfall days, and 35.87" (911mm) of precipitation is accumulated.
January through April, November and December are months with snowfall.
Throughout the year, there are 34.1 snowfall days, and 11.22" (285mm) of snow is accumulated.
With an average of 3.9h of sunshine, January has the least sunshine of the year.
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Hartsville.
The month with the most snowfall is February, when snow falls for 8.2 days and typically aggregates up to 2.91" (74mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
May is the month with the most rainfall. Rain falls for 20.1 days and accumulates 4.17" (106mm) of precipitation.
May through October are months without snowfall.
June has the longest days of the year, with an average of 14h and 54min of daylight.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
July proves to be the warmest month, recording an average peak temperature of 82.4°F (28°C) and a minimum temperature of 65.1°F (18.4°C).
July and December, with an average relative humidity of 82%, are most humid months in Hartsville.
With an average of 10.2h of sunshine, July has the most sunshine of the year.
September is the month with the least rainfall. Rain falls for 13.9 days and accumulates 2.17" (55mm) of precipitation.
With an average relative humidity of 74%, October is the least humid month.
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Hartsville, IN
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.7°F).
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure
Hartsville, IN
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Hartsville, IN
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.4mph - Average wind speed in March:
9.1mph - Average wind speed in April:
9.3mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6.2mph - Average wind speed in October:
7.9mph - Average wind speed in November:
8.5mph - Average wind speed in December:
8.8mph
The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity
Hartsville, IN
The months with the highest relative humidity are July and December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Hartsville, IN
- Average rainfall in January:
2.76" - Average rainfall in February:
2.64" - Average rainfall in March:
3.23" - Average rainfall in April:
4.02" - Average rainfall in May:
4.17" - Average rainfall in June:
3.27"
- Average rainfall in July:
3.15" - Average rainfall in August:
2.52" - Average rainfall in September:
2.17" - Average rainfall in October:
2.64" - Average rainfall in November:
2.52" - Average rainfall in December:
2.8"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days
Hartsville, IN
- Average rainfall days in January:
9.8 days - Average rainfall days in February:
10.1 days - Average rainfall days in March:
14.7 days - Average rainfall days in April:
16.7 days - Average rainfall days in May:
20.1 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
14.5 days - Average rainfall days in September:
13.9 days - Average rainfall days in October:
13.2 days - Average rainfall days in November:
10.7 days - Average rainfall days in December:
11.8 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (9.8 days).
Average snowfall
Hartsville, IN
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Hartsville, IN
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
8.2 days - Average snowfall days in March:
5.1 days - Average snowfall days in April:
0.9 days - Average snowfall days in May:
0.1 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:
0.2 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
7.8 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Hartsville, IN
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
3h and 54min - Average sunshine in February:
5h and 6min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 18min - Average sunshine in October:
6h and 48min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Hartsville, IN
- Average sunshine days in January:
13.1 days - Average sunshine days in February:
12 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
11 days - Average sunshine days in May:
9.3 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
11.4 days - Average sunshine days in August:
13 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
15.8 days - Average sunshine days in November:
16.2 days - Average sunshine days in December:
13.5 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is May (9.3 days).
Average UV index
Hartsville, IN
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Hartsville, IN
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Hartsville, IN
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).
