January weather forecast
Bluffton, SC

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The iconic historic Church of the Cross in Bluffton, South Carolina, set in a beautiful garden park
The iconic historic Church of the Cross in Bluffton, South Carolina, set in a beautiful garden park

Weather in January

In Bluffton, South Carolina, the beginning of the new year is a blend of moderate temperatures and contrasting weather conditions. The low temperatures, ranging from 46°F (7.8°C), are gradually replaced by higher ones, hitting 57.4°F (14.1°C). The influence of the ocean contributes to a moderate winter climate and influences Bluffton's average rainfall of 1.02" (26mm). The collision of the cold, dry, continental air mass from the north with the warm, moist, tropical air mass from the southeast brings about the frequency of rainfall days being 8.3 days. This affirms an active and varied weather pattern, intricately influenced by regional geography.

Temperature

January is the coldest month of the year, registering average temperatures as high as 57.4°F (14.1°C) and as low as 46°F (7.8°C).

Humidity

January is the least humid month, with an average relative humidity of 72%.

Rainfall

The month with the least rainfall is January, when the rain falls for 8.3 days and typically collects 1.02" (26mm) of precipitation.

Snowfall

The only month with snowfall is January. The month with the most snowfall in Bluffton is January, when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.

Daylight

The average length of the day in January in Bluffton is 10h and 19min.
On the first day of January in Bluffton, sunrise is at 7:24 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:55 pm EST.

Sunshine

The average sunshine in January in Bluffton is 5.8h.

UV index

The month with the lowest UV index is January, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 3 during January translates into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Feb 13, 2024 | Published by: Weather Atlas | Resources

Frequently asked questions

What part of the year is the coldest in Bluffton?

In Bluffton, January records the average lowest temperatures, peaking at 57.4°F (14.1°C) and reaching a low of 46°F (7.8°C).

What is the usual temperature for Bluffton in January?

In Bluffton, in January, the average high-temperature is 57.4°F (14.1°C), and the average low-temperature is 46°F (7.8°C).

What is the least humid month in Bluffton?

The least humid month in Bluffton is January, with an average relative humidity of 72%.

What is the average humidity in January in Bluffton?

In Bluffton, South Carolina, the average relative humidity in January is 72%.

What is the driest month in Bluffton?

January is the month with the least rainfall in Bluffton, South Carolina. Rain falls for 8.3 days and accumulates 1.02" (26mm) of precipitation.

How many days does it rain in January in Bluffton?

In January, in Bluffton, the rain falls for 8.3 days. Throughout January, 1.02" (26mm) of precipitation is accumulated.

When does it snow the most in Bluffton?

The month with the most snowfall in Bluffton, South Carolina, is January, when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.

When does it start to snow in Bluffton?

January is the first month it typically snows in Bluffton. Throughout January, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Bluffton have in January?

In January, the average day length is 10h and 19min.

When is the sunrise / sunset in January in Bluffton?

On the first day of January in Bluffton, sunrise is at 7:24 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:55 pm EST.

How many hours of sunshine does Bluffton have in January?

The average sunshine duration in January is 5.8h.

When is the lowest UV index in Bluffton?

With an average maximum UV index of 3, January is the month with the lowest UV index in Bluffton.

How high is the UV index in January in Bluffton?

In January, the average daily maximum UV index in Bluffton is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Bluffton, SC

Average temperature in January - Bluffton, SC
  • Average high temperature in January: 57.4°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (57.4°F).

  • Average low temperature in January: 46°F

The month with the highest average low temperature is July (77.9°F).
The coldest month (with the lowest average low temperature) is January (46°F).

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Average pressure in January
Bluffton, SC

Average pressure in January - Bluffton, SC
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

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Average wind speed in January
Bluffton, SC

Average wind speed in January - Bluffton, SC
  • Average wind speed in January: 9.6mph

The windiest months (with the highest average wind speed) are January, March and April (9.6mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

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Average humidity in January
Bluffton, SC

Average humidity in January - Bluffton, SC
  • Average humidity in January: 72%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is January (72%).

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Average rainfall in January
Bluffton, SC

Average rainfall in January - Bluffton, SC
  • Average rainfall in January: 1.02"

The wettest month (with the highest rainfall) is August (6.06").
The driest month (with the least rainfall) is January (1.02").

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Average rainfall days in January
Bluffton, SC

Average rainfall days in January - Bluffton, SC
  • Average rainfall days in January: 8.3 days

The month with the highest number of rainy days is August (25 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in January
Bluffton, SC

Average snowfall in January - Bluffton, SC
  • Average snowfall in January: 0.04"

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in January
Bluffton, SC

Average snowfall days in January - Bluffton, SC
  • Average snowfall days in January: 0.1 days

The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in January /
Average sunshine in January
Bluffton, SC

Average daylight in January / Average sunshine in January - Bluffton, SC
  • Average daylight in January: 10h and 2min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in January: 5h and 5min

The months with the most sunshine are June and July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in January
Bluffton, SC

Average sunshine days in January - Bluffton, SC
  • Average sunshine days in January: 20.3 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (2.8 days).

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Average UV index in January
Bluffton, SC

Average UV index in January - Bluffton, SC
  • Average UV index in January: 3

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

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Average cloud cover in January
Bluffton, SC

Average cloud cover in January - Bluffton, SC
  • Average cloud cover in January: 33

The months with the most cloud cover are February and December (Cloud cover 38).
The months with the least cloud cover are June and July (Cloud cover 25).

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Average visibility in January
Bluffton, SC

Average visibility in January - Bluffton, SC
  • Average visibility in January: 6mi

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).

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Bluffton, South Carolina, USA

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