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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, like December, in Hartsville, Pennsylvania, is another cold winter month, with an average temperature ranging between min 24.3°F (-4.3°C) and max 36.9°F (2.7°C). In Hartsville, Pennsylvania, January is the month with the lowest recorded average temperatures, measuring a high of 36.9°F (2.7°C) and a low of 24.3°F (-4.3°C). Weather in January »
Weather in February
February, the last month of the winter in Hartsville, is another cold month, with an average temperature fluctuating between 26.4°F (-3.1°C) and 40.1°F (4.5°C). The transition into February reveals an average high-temperature of a still wintry 40.1°F (4.5°C), mirroring a close resemblance to January. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Hartsville, Pennsylvania, with an average temperature fluctuating between 48.4°F (9.1°C) and 33.4°F (0.8°C). March brings a slight rise in Hartsville's average high-temperature, moving from an icy 40.1°F (4.5°C) in February to a frosty 48.4°F (9.1°C). Weather in March »
Weather in April
April is a refreshing spring month in Hartsville, Pennsylvania, with an average temperature ranging between max 60.6°F (15.9°C) and min 43.9°F (6.6°C). April indicates a change in the average high-temperature, moving up from a chilly 48.4°F (9.1°C) in March to a refreshing 60.6°F (15.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Hartsville, Pennsylvania, with an average temperature ranging between max 71.2°F (21.8°C) and min 53.6°F (12°C). May's arrival signals a temperature shift, moving from a refreshing 60.6°F (15.9°C) in April to an agreeable 71.2°F (21.8°C). Weather in May »
Weather in June
June, the first month of the summer in Hartsville, is a moderately hot month, with an average temperature varying between 79.9°F (26.6°C) and 61.5°F (16.4°C). With the start of June, the average high-temperature marginally shifts from May's pleasant 71.2°F (21.8°C) to a warm 79.9°F (26.6°C). Weather in June »
Weather in July
July, like June, in Hartsville, Pennsylvania, is a moderately hot summer month, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 67.5°F (19.7°C). July stands out as Hartsville's warmest month, with temperatures ranging between an average high of 85.6°F (29.8°C) and a low of 67.5°F (19.7°C). July's average heat index is computed to be a very hot 95°F (35°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Hartsville, Pennsylvania, with an average temperature varying between 83.3°F (28.5°C) and 66.2°F (19°C). The arrival of August marks a slight shift to an average high-temperature of a still moderately hot 83.3°F (28.5°C) from July's 85.6°F (29.8°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Hartsville, Pennsylvania, with an average temperature varying between 59.2°F (15.1°C) and 76.1°F (24.5°C). The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's 83.3°F (28.5°C) to a still warm 76.1°F (24.5°C). Weather in September »
Weather in October
October, like September, in Hartsville, Pennsylvania, is another comfortable autumn month, with an average temperature varying between 48.9°F (9.4°C) and 63.9°F (17.7°C). October's onset corresponds with a shift in the average high-temperature, moving from a moderately hot 76.1°F (24.5°C) in September to a comfortable 63.9°F (17.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Hartsville, is another cool month, with an average temperature varying between 51.8°F (11°C) and 37.9°F (3.3°C). Transition from October to November is accompanied by a temperature drop, with average high-temperatures decreasing from an enjoyable 63.9°F (17.7°C) to a fresh 51.8°F (11°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Hartsville, Pennsylvania, with an average temperature varying between 31.1°F (-0.5°C) and 42.8°F (6°C). December ushers in a slight temperature change, with average high-temperatures reducing from November's fresh 51.8°F (11°C) to a chilly 42.8°F (6°C). Weather in December »
Updated: Jul 28, 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?
January stands out as Hartsville's coldest month, with an average high-temperature of 36.9°F (2.7°C) and a low-temperature of 24.3°F (-4.3°C).
How much does it rain?
Throughout the year, in Hartsville, there are 83.7 rainfall days, and 6.22" (158mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, November and December.
How much does it snow?
In Hartsville, during the entire year, snow falls for 12.6 days and aggregates up to 1.73" (44mm) of snow.
What are the months with the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
February, October and December, with an average relative humidity of 78%, are most humid months.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 3.7 days and typically aggregates up to 0.43" (11mm) of snow.
What is the month with the least sunshine?
With an average of 4.8h of sunshine, February has the least sunshine of the year.
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 EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month?
The months with the lowest humidity are April, July and August, with an average relative humidity of 72%.
What are the months with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When it does not snow in Hartsville?
In Hartsville, snow does not fall in June through October.
When are the longest days?
The month with the longest days is June, with an average of 15h and 0min of daylight.
What part of the year is the hottest?
July, noted for its average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 67.5°F (19.7°C), is considered the warmest month in Hartsville.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.7h of sunshine.
What is the driest month?
September is the month with the least rainfall. Rain falls for 6.7 days and accumulates 0.2" (5mm) of precipitation.
What is the rainiest month?
The month with the most rainfall is December, when the rain falls for 5.8 days and typically aggregates up to 0.75" (19mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Hartsville, PA
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°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 (24.3°F).
Average pressure
Hartsville, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Hartsville, PA
- Average wind speed in January:
8mph - Average wind speed in February:
8mph - Average wind speed in March:
8.4mph - Average wind speed in April:
8.2mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.8mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Hartsville, PA
The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).
Average rainfall
Hartsville, PA
- Average rainfall in January:
0.35" - Average rainfall in February:
0.39" - Average rainfall in March:
0.55" - Average rainfall in April:
0.51" - Average rainfall in May:
0.59" - Average rainfall in June:
0.55"
- Average rainfall in July:
0.71" - Average rainfall in August:
0.59" - Average rainfall in September:
0.2" - Average rainfall in October:
0.47" - Average rainfall in November:
0.55" - Average rainfall in December:
0.75"
The wettest month (with the highest rainfall) is December (0.75").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days
Hartsville, PA
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
4.5 days - Average rainfall days in March:
7.3 days - Average rainfall days in April:
7.9 days - Average rainfall days in May:
8.1 days - Average rainfall days in June:
9.2 days
- Average rainfall days in July:
10.3 days - Average rainfall days in August:
8.5 days - Average rainfall days in September:
6.7 days - Average rainfall days in October:
6.6 days - Average rainfall days in November:
4.5 days - Average rainfall days in December:
5.8 days
The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is January (4.3 days).
Average snowfall
Hartsville, PA
- Average snowfall in January:
0.28" - Average snowfall in February:
0.43" - Average snowfall in March:
0.39" - Average snowfall in April:
0.04" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Hartsville, PA
- Average snowfall days in January:
3.1 days - Average snowfall days in February:
3.7 days - Average snowfall days in March:
3 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
1.7 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Hartsville, PA
- Average daylight in January:
9h and 4min - 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 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Hartsville, PA
- Average sunshine days in January:
24.3 days - Average sunshine days in February:
20.3 days - Average sunshine days in March:
20.8 days - Average sunshine days in April:
21.5 days - Average sunshine days in May:
19.6 days - Average sunshine days in June:
18.1 days
- Average sunshine days in July:
17.4 days - Average sunshine days in August:
20.3 days - Average sunshine days in September:
21.2 days - Average sunshine days in October:
22.1 days - Average sunshine days in November:
23.9 days - Average sunshine days in December:
23.2 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (17.4 days).
Average UV index
Hartsville, PA
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, March, November and December (UV index 2).
Average cloud cover
Hartsville, PA
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Hartsville, PA
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Hartsville, Pennsylvania, USA
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