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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, is a moderate winter month in Fairfax, South Carolina, with an average temperature varying between 55.4°F (13°C) and 39.9°F (4.4°C). In Fairfax, the month of January registers the lowest temperatures, averaging 55.4°F (13°C) at the peak and 39.9°F (4.4°C) at the lowest. Weather in January »
Weather in February
The last month of the winter, February, is another refreshing month in Fairfax, South Carolina, with an average temperature ranging between min 43.2°F (6.2°C) and max 60.1°F (15.6°C). The transition from January to February sees average high-temperatures adjusting to a still mild 60.1°F (15.6°C), from a not significantly different 55.4°F (13°C). Weather in February »
Weather in March
The first month of the spring, March, is a comfortable month in Fairfax, South Carolina, with temperature in the range of an average high of 66.6°F (19.2°C) and an average low of 48.7°F (9.3°C). The arrival of March introduces a minor uplift in high-temperatures, adjusting from a mild 60.1°F (15.6°C) in February to a still refreshing 66.6°F (19.2°C). Weather in March »
Weather in April
April is a moderately hot spring month in Fairfax, South Carolina, with temperature in the range of an average low of 56.5°F (13.6°C) and an average high of 75°F (23.9°C). In April, the meteorological conditions subtly change with the average high-temperature edging from a comfortable 66.6°F (19.2°C) in March to a moderately hot 75°F (23.9°C). Weather in April »
Weather in May
May, the last month of the spring in Fairfax, is also a moderately hot month, with temperature in the range of an average high of 81.7°F (27.6°C) and an average low of 64°F (17.8°C). The start of May signals a slight increase in the average high-temperature, moving from 75°F (23.9°C) in April to a still warm 81.7°F (27.6°C). Weather in May »
Weather in June
The first month of the summer, June, is a hot month in Fairfax, South Carolina, with temperature in the range of an average high of 88.3°F (31.3°C) and an average low of 71.1°F (21.7°C). June signifies a subtle uplift in the average high-temperature, adjusting from a warm 81.7°F (27.6°C) in May to a hot 88.3°F (31.3°C). Weather in June »
Weather in July
July, the same as June, in Fairfax, South Carolina, is another hot summer month, with temperature in the range of an average high of 91°F (32.8°C) and an average low of 73.2°F (22.9°C). July, with its average high-temperature of 91°F (32.8°C) and an average low-temperature of 73.2°F (22.9°C), holds the record as the warmest month. The heat index for July is computed to be a blazing hot 113°F (45°C). Weather in July »
Weather in August
August, the last month of the summer in Fairfax, is also a hot month, with temperature in the range of an average low of 72.9°F (22.7°C) and an average high of 89.8°F (32.1°C). Upon the onset of August, Fairfax witnesses an average high-temperature of a still hot 89.8°F (32.1°C), showing a close resemblance to the prior month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Fairfax, South Carolina, with an average temperature ranging between max 84.9°F (29.4°C) and min 68.2°F (20.1°C). As Fairfax transitions into September, the average high-temperature stands at a moderately hot 84.9°F (29.4°C), offering little variation from the preceding month. Weather in September »
Weather in October
October, like September, in Fairfax, South Carolina, is a moderately hot autumn month, with an average temperature ranging between max 75°F (23.9°C) and min 58.1°F (14.5°C). In Fairfax, entering October brings a temperature decrement, reducing from September's moderately hot 84.9°F (29.4°C) to a still warm 75°F (23.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Fairfax, is also an enjoyable month, with temperature in the range of an average high of 64.6°F (18.1°C) and an average low of 47.8°F (8.8°C). November involves a decrease in temperature, down from a warm 75°F (23.9°C) in October to a comfortable 64.6°F (18.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also a moderate month in Fairfax, South Carolina, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 44.1°F (6.7°C). As November transitions into December, Fairfax sees a gentle drop in the average high-temperature, transitioning from an enjoyable 64.6°F (18.1°C) to a still refreshing 58.6°F (14.8°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Fairfax?
In Fairfax, January registers the lowest temperatures, averaging 55.4°F (13°C) at the peak and 39.9°F (4.4°C) at the lowest.
What is the least humid month in Fairfax?
January is the least humid month, with an average relative humidity of 70%.
How much does it rain in Fairfax?
Throughout the year, there are 152.9 rainfall days, and 31.18" (792mm) of precipitation is accumulated.
When does it snow in Fairfax?
January and February are months with snowfall in Fairfax, South Carolina.
How many days does it snow in Fairfax?
Throughout the year, there are 0.6 snowfall days, and 0.16" (4mm) of snow is accumulated.
What is the month with the lowest UV index in Fairfax?
The months with the lowest UV index in Fairfax, South Carolina, are January and December, with an average maximum UV index of 3.
When does it snow the most in Fairfax?
February is the month with the most snowfall. Snow falls for 0.3 days and accumulates 0.12" (3mm) of snow.
When it does not snow in Fairfax?
In Fairfax, snow does not fall in March through December.
When is Daylight Saving Time (DST) in Fairfax?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Fairfax, South Carolina, 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 in Fairfax?
June has the longest days of the year, with an average of 14h and 18min of daylight.
What is the month with the highest UV index in Fairfax?
The months with the highest UV index in Fairfax, South Carolina, are June through August, with an average maximum UV index of 7.
What is the warmest month in Fairfax?
Temperature records in Fairfax mark July as the warmest month, with highs averaging 91°F (32.8°C) and lows at 73.2°F (22.9°C).
What month has the most sunshine in Fairfax?
With an average of 10.8h of sunshine, July has the most sunshine of the year.
What is the most humid month in Fairfax?
August and December, with an average relative humidity of 76%, are most humid months.
What is the rainiest month in Fairfax?
The month with the most rainfall in Fairfax is August, when the rain falls for 20.8 days and typically aggregates up to 3.7" (94mm) of precipitation.
What is the driest month in Fairfax?
The month with the least rainfall in Fairfax, South Carolina, is November, when the rain falls for 6.6 days and typically collects 1.38" (35mm) of precipitation.
What is the month with the shortest days in Fairfax?
With an average of 10h and 0min of daylight, December has the shortest days of the year.
What is the month with the least sunshine in Fairfax?
With an average of 5.3h of sunshine, December has the least sunshine of the year.
Average temperature
Fairfax, SC
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (55.4°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 (39.9°F).
Average pressure
Fairfax, 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:
30.02"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
Fairfax, SC
- Average wind speed in January:
7mph - Average wind speed in February:
7.3mph - Average wind speed in March:
7.5mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.7mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.4mph - Average wind speed in September:
5.9mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.5mph - Average wind speed in December:
6.6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity
Fairfax, SC
The months with the highest relative humidity are August and December (76%).
The month with the lowest relative humidity is January (70%).
Average rainfall
Fairfax, SC
- Average rainfall in January:
1.89" - Average rainfall in February:
2.68" - Average rainfall in March:
2.52" - Average rainfall in April:
2.87" - Average rainfall in May:
2.8" - Average rainfall in June:
2.76"
- Average rainfall in July:
3.03" - Average rainfall in August:
3.7" - Average rainfall in September:
1.97" - Average rainfall in October:
2.17" - Average rainfall in November:
1.38" - Average rainfall in December:
3.43"
The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is November (1.38").
Average rainfall days
Fairfax, SC
- Average rainfall days in January:
9 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
14.6 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
20 days - Average rainfall days in August:
20.8 days - Average rainfall days in September:
13.9 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
6.6 days - Average rainfall days in December:
9.6 days
The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is November (6.6 days).
Average snowfall
Fairfax, SC
The month with the highest snowfall is February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Fairfax, SC
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0 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 March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
Fairfax, SC
- Average daylight in January:
10h and 2min - 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 4min - Average sunshine in February:
6h and 4min - Average sunshine in March:
7h and 3min - Average sunshine in April:
9h and 1min - Average sunshine in May:
9h and 5min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 2min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 2min
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 18min).
Average sunshine days
Fairfax, SC
- Average sunshine days in January:
21 days - Average sunshine days in February:
17.6 days - Average sunshine days in March:
18.8 days - Average sunshine days in April:
17.3 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
9 days - Average sunshine days in August:
7.3 days - Average sunshine days in September:
14.3 days - Average sunshine days in October:
21 days - Average sunshine days in November:
22.3 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is August (7.3 days).
Average UV index
Fairfax, SC
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover
Fairfax, SC
The months with the most cloud cover are February and December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility
Fairfax, 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).
Fairfax, South Carolina, USA
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