Climate and monthly weather forecastSaint Stephen, SC
Climate and monthly weather forecast
Weather in January
January, the same as December, is another fresh winter month in Saint Stephen, South Carolina, with an average temperature ranging between max 55°F (12.8°C) and min 38.3°F (3.5°C). With average temperatures fluctuating between a high of 55°F (12.8°C) and a low of 38.3°F (3.5°C), January stands out as the coldest month. Weather in January »Weather in February
The last month of the winter, February, is a mild month in Saint Stephen, South Carolina, with an average temperature varying between 41.7°F (5.4°C) and 59°F (15°C). With the transition into February, Saint Stephen notes an average high-temperature of a mild 59°F (15°C), closely resembling January. Weather in February »Weather in March
March, the first month of the spring in Saint Stephen, is a refreshing month, with an average temperature ranging between min 47.5°F (8.6°C) and max 64.9°F (18.3°C). The coming of March brings a minor shift in Saint Stephen's weather, with average high-temperatures adjusting from February's refreshing 59°F (15°C) to an enjoyable 64.9°F (18.3°C). Weather in March »Weather in April
April is a warm spring month in Saint Stephen, South Carolina, with an average temperature fluctuating between 55.4°F (13°C) and 73.9°F (23.3°C). The shift from March to April is marked by an increase in the average high-temperature, moving from an enjoyable 64.9°F (18.3°C) to a moderately hot 73.9°F (23.3°C). Weather in April »Weather in May
May, the last month of the spring in Saint Stephen, is another warm month, with an average temperature ranging between max 80.6°F (27°C) and min 63.1°F (17.3°C). Observing a minor shift, the average high-temperature during May adjusts from April's 73.9°F (23.3°C) to a still moderately hot 80.6°F (27°C). Weather in May »Weather in June
June, the first month of the summer in Saint Stephen, is a tropical month, with an average temperature ranging between max 87.4°F (30.8°C) and min 70.3°F (21.3°C). A minor escalation in the average high-temperature is seen with the onset of June, moving from a warm 80.6°F (27°C) in May to a tropical 87.4°F (30.8°C). Weather in June »Weather in July
July, the same as June, in Saint Stephen, South Carolina, is a hot summer month, with an average temperature varying between 73.6°F (23.1°C) and 90.3°F (32.4°C). July is the warmest month of the year, registering average temperatures as high as 90.3°F (32.4°C) and as low as 73.6°F (23.1°C). The heat index value for July is computed to be a blistering 111.2°F (44°C). Weather in July »Weather in August
August, the last month of the summer in Saint Stephen, is also a hot month, with an average temperature ranging between min 72.7°F (22.6°C) and max 89.2°F (31.8°C). Saint Stephen ushers in August with an average high-temperature of a still tropical 89.2°F (31.8°C), showing a close resemblance to the previous month. Weather in August »Weather in September
September, the first month of the autumn in Saint Stephen, is also a moderately hot month, with an average temperature fluctuating between 67.6°F (19.8°C) and 84.6°F (29.2°C). Saint Stephen experiences a subtle adjustment in high-temperatures to a warm 84.6°F (29.2°C) with the onset of September, maintaining near parity with August's 89.2°F (31.8°C). Weather in September »Weather in October
October, the same as September, is a moderately hot autumn month in Saint Stephen, South Carolina, with an average temperature fluctuating between 57°F (13.9°C) and 75°F (23.9°C). The average high-temperature drops in October, from September's 84.6°F (29.2°C) to a still warm 75°F (23.9°C). Weather in October »Weather in November
November, the last month of the autumn in Saint Stephen, is another refreshing month, with an average temperature ranging between max 64°F (17.8°C) and min 46.8°F (8.2°C). November involves a decrease in temperature, down from a warm 75°F (23.9°C) in October to an enjoyable 64°F (17.8°C). Weather in November »Weather in December
December, the first month of the winter in Saint Stephen, is still a mild month, with temperature in the range of an average high of 58.5°F (14.7°C) and an average low of 42.8°F (6°C). December signifies a gentle decline in Saint Stephen's average high-temperature, easing from a refreshing 64°F (17.8°C) in November to a mild 58.5°F (14.7°C). Weather in December »Updated: Jul 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
The lowest temperatures are recorded in January, with averages reaching a high of 55°F (12.8°C) and a low of 38.3°F (3.5°C).
With an average relative humidity of 73%, January is the least humid month.
January is the month with the least rainfall. Rain falls for 7.4 days and accumulates 0.51" (13mm) of precipitation.
Throughout the year, there are 139.5 rainfall days, and 15.75" (400mm) of precipitation is accumulated.
January and February are months with snowfall.
January is the month with the most snowfall in Saint Stephen, South Carolina. Snow falls for 0.3 days and accumulates 0.16" (4mm) of snow.
Throughout the year, there are 0.8 snowfall days, and 0.24" (6mm) of snow is accumulated.
January and December, with an average maximum UV index of 3, are months with the lowest UV index.
March through December are months without snowfall.
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.
The months with the highest humidity in Saint Stephen, South Carolina, are May, August, September and December, with an average relative humidity of 78%.
With an average of 14h and 18min of daylight, June has the longest days of the year.
June and July, with an average maximum UV index of 7, are months with the highest UV index.
In Saint Stephen, the average temperatures in July are the highest, with a peak at 90.3°F (32.4°C) and a low of 73.6°F (23.1°C).
With an average of 10.8h of sunshine, July has the most sunshine of the year.
August is the month with the most rainfall. Rain falls for 20.1 days and accumulates 2.87" (73mm) of precipitation.
With an average of 10h and 0min of daylight, December has the shortest days of the year.
The month with the least sunshine is December, with an average of 5.6h of sunshine.
Average temperature
Saint Stephen, SC
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (55°F).
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).
Average pressure
Saint Stephen, SC
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Saint Stephen, SC
- Average wind speed in January:
6.4mph - Average wind speed in February:
7mph - Average wind speed in March:
7.1mph - Average wind speed in April:
7.3mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.8mph - Average wind speed in October:
6.2mph - Average wind speed in November:
5.9mph - Average wind speed in December:
6mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Saint Stephen, SC
The months with the highest relative humidity are May, August, September and December (78%).
The month with the lowest relative humidity is January (73%).
Average rainfall
Saint Stephen, SC
- Average rainfall in January:
0.51" - Average rainfall in February:
0.83" - Average rainfall in March:
0.91" - Average rainfall in April:
1.02" - Average rainfall in May:
1.02" - Average rainfall in June:
1.77"
- Average rainfall in July:
1.85" - Average rainfall in August:
2.87" - Average rainfall in September:
1.42" - Average rainfall in October:
1.06" - Average rainfall in November:
0.75" - Average rainfall in December:
1.73"
The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days
Saint Stephen, SC
- Average rainfall days in January:
7.4 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
9.7 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
12.7 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
19 days - Average rainfall days in August:
20.1 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
7.4 days - Average rainfall days in November:
6.4 days - Average rainfall days in December:
8.2 days
The month with the highest number of rainy days is August (20.1 days).
The month with the least rainy days is November (6.4 days).
Average snowfall
Saint Stephen, SC
The month with the highest snowfall is January (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Saint Stephen, SC
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0.2 days - Average snowfall days in April:
0 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 days - Average snowfall days in December:
0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
Saint Stephen, SC
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 18min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
5h and 42min - Average sunshine in February:
6h and 30min - Average sunshine in March:
7h and 30min - Average sunshine in April:
9h and 36min - Average sunshine in May:
9h and 54min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 24min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days
Saint Stephen, SC
- Average sunshine days in January:
22.3 days - Average sunshine days in February:
18.9 days - Average sunshine days in March:
18.9 days - Average sunshine days in April:
17.2 days - Average sunshine days in May:
14.7 days - Average sunshine days in June:
10.1 days
- Average sunshine days in July:
7.6 days - Average sunshine days in August:
6.8 days - Average sunshine days in September:
13.1 days - Average sunshine days in October:
21.1 days - Average sunshine days in November:
21.9 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is August (6.8 days).
Average UV index
Saint Stephen, SC
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover
Saint Stephen, SC
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility
Saint Stephen, SC
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).
