Climate and monthly weather forecastSimpsonville, KY
Climate and monthly weather forecast
Weather in January
January, like December, in Simpsonville, Kentucky, is a wintry winter month, with temperature in the range of an average low of 26.1°F (-3.3°C) and an average high of 38.8°F (3.8°C). January is the month when Simpsonville experiences its coldest temperatures, averaging a high of 38.8°F (3.8°C) and a low of 26.1°F (-3.3°C). Weather in January »Weather in February
The last month of the winter, February, is a chilly month in Simpsonville, Kentucky, with an average temperature fluctuating between 43.9°F (6.6°C) and 28.9°F (-1.7°C). February brings a marginal elevation to a frosty 43.9°F (6.6°C) from January's 38.8°F (3.8°C) in Simpsonville's average high-temperatures. Weather in February »Weather in March
March, the first month of the spring in Simpsonville, is a fresh month, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 37.2°F (2.9°C). The start of March brings a rise in the average high-temperature, moving from a frosty 43.9°F (6.6°C) in February to a cool 53.8°F (12.1°C). Weather in March »Weather in April
April in Simpsonville, Kentucky, is a comfortable spring month, with an average temperature varying between 46.9°F (8.3°C) and 66°F (18.9°C). April brings a rise in the average high-temperature, transitioning from March's fresh 53.8°F (12.1°C) to a comfortable 66°F (18.9°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Simpsonville, Kentucky, with an average temperature ranging between max 75.4°F (24.1°C) and min 56.3°F (13.5°C). May brings a rise in the average high-temperature, transitioning from April's enjoyable 66°F (18.9°C) to a moderately hot 75.4°F (24.1°C). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Simpsonville, Kentucky, with an average temperature fluctuating between 63.5°F (17.5°C) and 83.3°F (28.5°C). The start of June is characterized by a subtle increase in the average high-temperature, transitioning from a warm 75.4°F (24.1°C) in May to a still moderately hot 83.3°F (28.5°C). Weather in June »Weather in July
July is a hot summer month in Simpsonville, Kentucky, with an average temperature varying between 66.7°F (19.3°C) and 86.4°F (30.2°C). The warmest temperatures occur during July, when averages reach a peak of 86.4°F (30.2°C) and a low of 66.7°F (19.3°C). For most parts of July, the heat index is computed to be a fiery hot 98.6°F (37°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Simpsonville, Kentucky, with an average temperature varying between 65.3°F (18.5°C) and 85.3°F (29.6°C). The advent of August sees the average high-temperature at a warm 85.3°F (29.6°C), subtly shifted from July's 86.4°F (30.2°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Simpsonville, Kentucky, with an average temperature ranging between min 59.7°F (15.4°C) and max 79.2°F (26.2°C). The onset of September results in a small decrease in the average high-temperature, moderately receding from a warm 85.3°F (29.6°C) in August to a still moderately hot 79.2°F (26.2°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Simpsonville, Kentucky, with an average temperature varying between 66.7°F (19.3°C) and 48°F (8.9°C). The transition into October involves a decrease in the average high-temperature, falling from a moderately hot 79.2°F (26.2°C) in September to an enjoyable 66.7°F (19.3°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Simpsonville, Kentucky, with an average temperature fluctuating between 53.2°F (11.8°C) and 37.4°F (3°C). The average high-temperature drops in November, from October's comfortable 66.7°F (19.3°C) to a fresh 53.2°F (11.8°C). Weather in November »Weather in December
December, the first month of the winter in Simpsonville, is also a frosty month, with temperature in the range of an average high of 44.1°F (6.7°C) and an average low of 31.8°F (-0.1°C). Simpsonville in December experiences a subtle temperature decline, with average high-temperatures reducing from a cool 53.2°F (11.8°C) in November to a frosty 44.1°F (6.7°C). Weather in December »Updated: Jul 19, 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
Simpsonville's temperature records reveal January as the coldest month, marked by average highs of 38.8°F (3.8°C) and lows of 26.1°F (-3.3°C).
In Simpsonville, during the entire year, the rain falls for 152.3 days and collects up to 25.75" (654mm) of precipitation.
January through April, November and December are months with snowfall.
In Simpsonville, during the entire year, snow falls for 27.1 days and aggregates up to 5.98" (152mm) of snow.
With an average of 4.3h of sunshine, January has the least sunshine of the year in Simpsonville.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
February and December, with an average relative humidity of 80%, are most humid months.
March is the month with the most snowfall in Simpsonville. Snow falls for 3.9 days and accumulates 1.61" (41mm) 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.
April is the month with the most rainfall. Rain falls for 15.7 days and accumulates 2.8" (71mm) of precipitation.
May through October are months without snowfall in Simpsonville.
With an average of 14h and 48min of daylight, June has the longest days of the year.
June has the most sunshine of the year, with an average of 10.3h of sunshine.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
July, with its high-temperature average of 86.4°F (30.2°C) and a low-temperature average of 66.7°F (19.3°C), is the warmest month.
August through October, with an average relative humidity of 74%, are the least humid months.
September is the month with the least rainfall. Rain falls for 11.7 days and accumulates 1.42" (36mm) of precipitation.
With an average of 9h and 36min of daylight, December has the shortest days of the year.
Average temperature
Simpsonville, KY
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (38.8°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure
Simpsonville, KY
- 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:
29.97"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:
30.14"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
Simpsonville, KY
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.1mph - Average wind speed in March:
7.9mph - Average wind speed in April:
8mph - Average wind speed in May:
6.4mph - 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:
5.5mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity
Simpsonville, KY
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall
Simpsonville, KY
- Average rainfall in January:
1.73" - Average rainfall in February:
2.56" - Average rainfall in March:
2.13" - Average rainfall in April:
2.8" - Average rainfall in May:
2.64" - Average rainfall in June:
2.09"
- Average rainfall in July:
2.48" - Average rainfall in August:
2.05" - Average rainfall in September:
1.42" - Average rainfall in October:
1.85" - Average rainfall in November:
2.09" - Average rainfall in December:
1.93"
The wettest month (with the highest rainfall) is April (2.8").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days
Simpsonville, KY
- Average rainfall days in January:
8.9 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
13.4 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
13.5 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
14.6 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
9.8 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8.9 days).
Average snowfall
Simpsonville, KY
The month with the highest snowfall is March (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Simpsonville, KY
- Average snowfall days in January:
7.6 days - Average snowfall days in February:
7.2 days - Average snowfall days in March:
3.9 days - Average snowfall days in April:
0.6 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:
2.2 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Simpsonville, KY
- 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 18min - 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:
9h and 0min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 24min - Average sunshine in October:
6h and 48min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Simpsonville, KY
- Average sunshine days in January:
15.2 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
13.4 days - Average sunshine days in April:
13 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
13.7 days
- Average sunshine days in July:
12 days - Average sunshine days in August:
14.6 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
19.4 days - Average sunshine days in November:
18.4 days - Average sunshine days in December:
15.7 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is May (11.3 days).
Average UV index
Simpsonville, KY
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, November and December (UV index 2).
Average cloud cover
Simpsonville, KY
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Simpsonville, KY
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).
