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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, the same as December, is another fresh winter month in Barnwell, South Carolina, with an average temperature varying between 54.3°F (12.4°C) and 39.4°F (4.1°C). With average high and low temperatures of 54.3°F (12.4°C) and 39.4°F (4.1°C) respectively, January is Barnwell's coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a refreshing month in Barnwell, South Carolina, with an average temperature ranging between max 59.4°F (15.2°C) and min 42.3°F (5.7°C). The introduction of February notes a subtle temperature variation to a mild 59.4°F (15.2°C) from January's 54.3°F (12.4°C). Weather in February »
Weather in March
March, the first month of the spring in Barnwell, is an enjoyable month, with an average temperature fluctuating between 65.8°F (18.8°C) and 48.2°F (9°C). As Barnwell welcomes March, the average high-temperature sees a modest rise, transitioning from a moderate 59.4°F (15.2°C) in February to a still refreshing 65.8°F (18.8°C). Weather in March »
Weather in April
April is a warm spring month in Barnwell, South Carolina, with an average temperature fluctuating between 56.1°F (13.4°C) and 74.3°F (23.5°C). The shift from March to April is marked by a slight increase in the average high-temperature, moving from a refreshing 65.8°F (18.8°C) to a moderately hot 74.3°F (23.5°C). Weather in April »
Weather in May
May, the last month of the spring in Barnwell, is another warm month, with an average temperature ranging between max 81.1°F (27.3°C) and min 63.7°F (17.6°C). A gentle upsurge in temperatures occurs as April gives way to May, with average highs shifting from a warm 74.3°F (23.5°C) to a still moderately hot 81.1°F (27.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a tropical month in Barnwell, South Carolina, with an average temperature varying between 88.2°F (31.2°C) and 70.7°F (21.5°C). The start of June is characterized by a subtle increase in the average high-temperature, transitioning from a warm 81.1°F (27.3°C) in May to a hot 88.2°F (31.2°C). Weather in June »
Weather in July
July, like June, is a hot summer month in Barnwell, South Carolina, with an average temperature fluctuating between 90.9°F (32.7°C) and 73.2°F (22.9°C). Barnwell's July weather, marked by an average high temperature of 90.9°F (32.7°C) and an average low temperature of 73.2°F (22.9°C), is the warmest in the year. For most parts of July, the heat index is computed to be a scorching 111.2°F (44°C). Weather in July »
Weather in August
The last month of the summer, August, is another tropical month in Barnwell, South Carolina, with an average temperature varying between 89.2°F (31.8°C) and 72.7°F (22.6°C). With the start of August, Barnwell measures an average high-temperature of a still tropical 89.2°F (31.8°C), not significantly differing from July's 90.9°F (32.7°C). Weather in August »
Weather in September
September, the first month of the autumn in Barnwell, is also a moderately hot month, with an average temperature varying between 68°F (20°C) and 84.4°F (29.1°C). The transition into September notes an average high-temperature of a moderately hot 84.4°F (29.1°C), revealing a mild distinction from the 89.2°F (31.8°C) in August. Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Barnwell, South Carolina, with an average temperature ranging between min 57.2°F (14°C) and max 74.7°F (23.7°C). Barnwell experiences a temperature shift at the start of October, with average high-temperatures adjusting from 84.4°F (29.1°C) in September to a still moderately hot 74.7°F (23.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is another refreshing month in Barnwell, South Carolina, with an average temperature ranging between max 63.5°F (17.5°C) and min 47.5°F (8.6°C). November weather is marked by a drop in the average high-temperature, falling from a moderately hot 74.7°F (23.7°C) in October to a refreshing 63.5°F (17.5°C). Weather in November »
Weather in December
December, the first month of the winter in Barnwell, is still a refreshing month, with temperature in the range of an average low of 43.7°F (6.5°C) and an average high of 57.7°F (14.3°C). The onset of December brings a small shift in high-temperatures, falling from 63.5°F (17.5°C) in November to a still refreshing 57.7°F (14.3°C). Weather in December »
Updated: Aug 17, 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 month?
Barnwell's temperature records reveal January as the coldest month, marked by average highs of 54.3°F (12.4°C) and lows of 39.4°F (4.1°C).
What is the least humid month in Barnwell?
January is the least humid month, with an average relative humidity of 70%.
How many days does it rain?
Throughout the year, there are 155.3 rainfall days, and 29.37" (746mm) of precipitation is accumulated.
When does it snow?
January, February and December are months with snowfall.
How many days does it snow in Barnwell?
In Barnwell, South Carolina, during the entire year, snow falls for 0.9 days and aggregates up to 0.31" (8mm) of snow.
What is the month with the lowest UV index?
January and December, with an average maximum UV index of 3, are months with the lowest UV index.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 0.3 days and typically aggregates up to 0.2" (5mm) of snow.
When it does not snow?
March through November are months without snowfall.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Barnwell, 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.
When are the longest days?
June has the longest days of the year, with an average of 14h and 18min of daylight.
When is the highest UV index?
June and July, with an average maximum UV index of 7, are months with the highest UV index.
What is the warmest month?
Barnwell's temperatures tend to reach their peak averages in July, with a high of 90.9°F (32.7°C) and a low of 73.2°F (22.9°C).
What month has the most sunshine?
With an average of 11h of sunshine, July has the most sunshine of the year.
What is the driest month?
The month with the least rainfall is November, when the rain falls for 7.8 days and typically collects 1.61" (41mm) of precipitation.
What is the most humid month?
December is the most humid month, with an average relative humidity of 76%.
What is the wettest month?
December is the month with the most rainfall in Barnwell, South Carolina. Rain falls for 10.8 days and accumulates 3.39" (86mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 10h and 0min of daylight.
What is the month with the least sunshine?
The month with the least sunshine is December, with an average of 5.5h of sunshine.
Average temperature
Barnwell, SC
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (54.3°F).
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).
Average pressure
Barnwell, 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:
30.02"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Barnwell, SC
- Average wind speed in January:
7.8mph - Average wind speed in February:
8.1mph - Average wind speed in March:
8.2mph - Average wind speed in April:
8.2mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
6mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6.2mph - Average wind speed in October:
6.9mph - Average wind speed in November:
7mph - Average wind speed in December:
7.2mph
The windiest months (with the highest average wind speed) are March and April (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity
Barnwell, SC
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is January (70%).
Average rainfall
Barnwell, SC
- Average rainfall in January:
1.89" - Average rainfall in February:
2.48" - Average rainfall in March:
2.48" - Average rainfall in April:
3.11" - Average rainfall in May:
2.68" - Average rainfall in June:
2.36"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days
Barnwell, SC
- Average rainfall days in January:
10.4 days - Average rainfall days in February:
11.3 days - Average rainfall days in March:
13 days - Average rainfall days in April:
12.9 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
18 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
9 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
10.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (7.8 days).
Average snowfall
Barnwell, SC
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days
Barnwell, SC
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0.1 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:
0.2 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 and November (0 days).
Average daylight / Average sunshine
Barnwell, SC
- Average daylight in January:
10h and 1min - 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 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 3min - 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 5min - Average sunshine in February:
6h and 5min - Average sunshine in March:
7h and 4min - Average sunshine in April:
9h and 2min - Average sunshine in May:
10h and 1min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 5min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days
Barnwell, SC
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
16.1 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
15.6 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
9 days - Average sunshine days in August:
10.1 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
20.1 days - Average sunshine days in November:
19.9 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (9 days).
Average UV index
Barnwell, 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
Barnwell, SC
The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility
Barnwell, 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).
Barnwell, South Carolina, USA
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