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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 Simpsonville, Maryland, is a wintry winter month, with an average temperature ranging between max 38.1°F (3.4°C) and min 26.1°F (-3.3°C). With average high temperatures of 38.1°F (3.4°C) and lows of 26.1°F (-3.3°C), January is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Simpsonville, is also an icy month, with an average temperature fluctuating between 28.6°F (-1.9°C) and 42.4°F (5.8°C). Simpsonville observes a minor difference in average high-temperatures between January's 38.1°F (3.4°C) and February's 42.4°F (5.8°C). Weather in February »
Weather in March
March, the first month of the spring in Simpsonville, is a fresh month, with an average temperature fluctuating between 35.8°F (2.1°C) and 51.1°F (10.6°C). The arrival of March signals a slight increase in the average high-temperature, moving from a wintry 42.4°F (5.8°C) in February to a cool 51.1°F (10.6°C). Weather in March »
Weather in April
April in Simpsonville, Maryland, is a comfortable spring month, with an average temperature ranging between min 45.9°F (7.7°C) and max 63.1°F (17.3°C). April brings a temperature increase, with average high-temperatures moving from March's cool 51.1°F (10.6°C) to a comfortable 63.1°F (17.3°C). Weather in April »
Weather in May
May, the last month of the spring in Simpsonville, is a pleasant month, with an average temperature ranging between min 55.4°F (13°C) and max 72.7°F (22.6°C). May sees a rise in the average high-temperature, climbing from a refreshing 63.1°F (17.3°C) in April to a pleasant 72.7°F (22.6°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Simpsonville, Maryland, with an average temperature varying between 64°F (17.8°C) and 80.6°F (27°C). Simpsonville's weather in June shows a minor rise in the average high-temperature, moving slightly up from May's pleasant 72.7°F (22.6°C) to a moderately hot 80.6°F (27°C). Weather in June »
Weather in July
July, like June, in Simpsonville, Maryland, is a moderately hot summer month, with an average temperature ranging between max 85.8°F (29.9°C) and min 68.9°F (20.5°C). July stands out as Simpsonville's warmest month, with an average high-temperature of 85.8°F (29.9°C) and a low-temperature of 68.9°F (20.5°C). In July, the average heat index is estimated at a sweltering 95°F (35°C). Weather in July »
Weather in August
August, the last month of the summer in Simpsonville, is also a moderately hot month, with an average temperature varying between 83.8°F (28.8°C) and 67.3°F (19.6°C). Simpsonville experiences a recorded average high-temperature of a still warm 83.8°F (28.8°C) in August, closely aligned with July's 85.8°F (29.9°C). Weather in August »
Weather in September
September, the first month of the autumn in Simpsonville, is also a moderately hot month, with an average temperature fluctuating between 77°F (25°C) and 60.6°F (15.9°C). The onset of September results in a small decrease in the average high-temperature, moderately receding from a warm 83.8°F (28.8°C) in August to a still moderately hot 77°F (25°C). Weather in September »
Weather in October
October, like September, in Simpsonville, Maryland, is another enjoyable autumn month, with an average temperature fluctuating between 65.1°F (18.4°C) and 50.2°F (10.1°C). October comes with a drop in the average high-temperature, falling from September's warm 77°F (25°C) to a comfortable 65.1°F (18.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Simpsonville, is also a fresh month, with temperature in the range of an average high of 53.1°F (11.7°C) and an average low of 38.8°F (3.8°C). A subtle decrease in the average high-temperature marks November, falling from October's comfortable 65.1°F (18.4°C) to a cool 53.1°F (11.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Simpsonville, Maryland, with an average temperature varying between 44.2°F (6.8°C) and 32.9°F (0.5°C). As Simpsonville enters December, the average high-temperature subtly lowers from the a cool 53.1°F (11.7°C) of November to a frosty 44.2°F (6.8°C). Weather in December »
Updated: Aug 31, 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 are the coldest months in Simpsonville?
The coldest period is January, when temperatures fluctuate between an average high of 38.1°F (3.4°C) and a low of 26.1°F (-3.3°C).
What is the driest month in Simpsonville?
January is the month with the least rainfall. Rain falls for 8.4 days and accumulates 1.85" (47mm) of precipitation.
How much does it rain in Simpsonville?
Throughout the year, there are 159.3 rainfall days, and 30.31" (770mm) of precipitation is accumulated.
When does it snow?
January through March, November and December are months with snowfall in Simpsonville.
How many days does it snow?
Throughout the year, there are 15.9 snowfall days, and 8.7" (221mm) of snow is accumulated.
What are the months with the least sunshine?
January and February, with an average of 5.1h of sunshine, are months with the least sunshine in Simpsonville.
What is the month with the lowest UV index in Simpsonville?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the snowiest month?
March is the month with the most snowfall. Snow falls for 3.3 days and accumulates 3.03" (77mm) 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 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 are the least humid months in Simpsonville?
The months with the lowest humidity are April and July, with an average relative humidity of 72%.
When it does not snow?
April through October are months without snowfall.
What is the most humid month?
May and October, with an average relative humidity of 77%, are most humid months.
What is the month with the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What time of the year is the hottest?
Simpsonville's July weather, with an average high temperature of 85.8°F (29.9°C) and an average low temperature of 68.9°F (20.5°C), tends to be the warmest of the year.
What month has the most sunshine in Simpsonville?
With an average of 10.8h of sunshine, July has the most sunshine of the year.
What is the rainiest month in Simpsonville?
August is the month with the most rainfall. Rain falls for 17.1 days and accumulates 4.06" (103mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Simpsonville, MD
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (38.1°F).
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure
Simpsonville, MD
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"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:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Simpsonville, MD
- Average wind speed in January:
8.5mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.5mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.3mph - Average wind speed in September:
6.1mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.5mph - Average wind speed in December:
7.8mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Simpsonville, MD
The months with the highest relative humidity are May and October (77%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall
Simpsonville, MD
- Average rainfall in January:
1.85" - Average rainfall in February:
1.97" - Average rainfall in March:
2.2" - Average rainfall in April:
2.36" - Average rainfall in May:
3.15" - Average rainfall in June:
2.6"
- Average rainfall in July:
3.31" - Average rainfall in August:
4.06" - Average rainfall in September:
2.17" - Average rainfall in October:
2.24" - Average rainfall in November:
2.17" - Average rainfall in December:
2.24"
The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days
Simpsonville, MD
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
9.5 days - Average rainfall days in March:
13 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
18 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
17.1 days - Average rainfall days in September:
13.3 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
10.2 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.4 days).
Average snowfall
Simpsonville, MD
The month with the highest snowfall is March (3.03").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Simpsonville, MD
- Average snowfall days in January:
4.4 days - Average snowfall days in February:
4.6 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.2 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 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
2.9 days
The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Simpsonville, MD
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - 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:
14h and 5min
- 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 3min
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:
5h and 1min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 5min - Average sunshine in April:
8h and 4min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).
Average sunshine days
Simpsonville, MD
- Average sunshine days in January:
18.2 days - Average sunshine days in February:
15.1 days - Average sunshine days in March:
15.1 days - Average sunshine days in April:
13.6 days - Average sunshine days in May:
11 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
11.1 days - Average sunshine days in August:
12 days - Average sunshine days in September:
14.3 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
17.9 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11 days).
Average UV index
Simpsonville, MD
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
Simpsonville, MD
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Simpsonville, MD
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Simpsonville, Maryland, USA
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