January weather forecast
Fort Mill, SC

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Weather in January

Setting the stage for the year, January in Fort Mill, South Carolina, experiences cooler weather. Following the peak of winter, it bears witness to a gradual increase in daylight hours, from 10.1 hours at the beginning of the month. Notably, it joins December in showcasing the lowest UV index of 2 in the year, making it safer to be outdoors during the day. The winds, averaging 7.3mph (11.7km/h), might give the month a blustery feel. Snow is not a rare occurrence as there are approximately 0.8 snowfall days on average, depositing around 1.14" (29mm) of snow.

Temperature

January is the coldest month of the year in Fort Mill, registering average temperatures as high as 49.6°F (9.8°C) and as low as 34.3°F (1.3°C).

Humidity

In January, the average relative humidity is 72%.

Rainfall

In Fort Mill, South Carolina, in January, it is raining for 9.6 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, there are 146.1 rainfall days, and 28.94" (735mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Fort Mill are January through March and December. In Fort Mill, in January, during 0.8 snowfall days, 1.14" (29mm) of snow is typically accumulated. Throughout the year, in Fort Mill, there are 3.1 snowfall days, and 3.58" (91mm) of snow is accumulated.

Daylight

The average length of the day in January is 10h and 7min.
On the first day of January in Fort Mill, sunrise is at 7:31 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:50 pm EST.

Sunshine

The average sunshine in January is 5.4h.

UV index

The months with the lowest UV index in Fort Mill are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.
Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the coldest month in Fort Mill?

January, with average temperatures reaching a high of 49.6°F (9.8°C) and a low of 34.3°F (1.3°C), is the coldest month.

What is the temperature in January in Fort Mill?

The high-temperature in Fort Mill during January is 49.6°F (9.8°C) and the low-temperature is 34.3°F (1.3°C).

What is the average humidity in January in Fort Mill?

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

How many days does it rain in January in Fort Mill?

In Fort Mill, during January, the rain falls for 9.6 days and regularly aggregates up to 2.36" (60mm) of precipitation.

How much does it snow in Fort Mill in January?

In January, in Fort Mill, South Carolina, it is snowing for 0.8 days. Throughout January, 1.14" (29mm) of snow is accumulated.

What is the average length of the day in January in Fort Mill?

In Fort Mill, the average day length in January is 10h and 7min.

What time are sunrise and sunset in January in Fort Mill?

On the first day of January, sunrise is at 7:31 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:50 pm EST.

How many hours of sunshine does Fort Mill have in January?

In January, the average sunshine duration in Fort Mill is 5.4h.

What is the month with the lowest UV index in Fort Mill?

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Fort Mill.

What is the UV index intensity in January in Fort Mill?

In Fort Mill, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Fort Mill, SC

Average temperature in January - Fort Mill, SC
  • Average high temperature in January: 49.6°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in January: 34.3°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

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Average pressure in January
Fort Mill, SC

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

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in January
Fort Mill, SC

Average wind speed in January - Fort Mill, SC
  • Average wind speed in January: 7.3mph

The windiest months (with the highest average wind speed) are February and April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in January
Fort Mill, SC

Average humidity in January - Fort Mill, SC
  • Average humidity in January: 72%

The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in January
Fort Mill, SC

Average rainfall in January - Fort Mill, SC
  • Average rainfall in January: 2.36"

The wettest month (with the highest rainfall) is August (3.23").
The driest months (with the least rainfall) are September and October (1.81").

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Average rainfall days in January
Fort Mill, SC

Average rainfall days in January - Fort Mill, SC
  • Average rainfall days in January: 9.6 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.3 days).

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Average snowfall in January
Fort Mill, SC

Average snowfall in January - Fort Mill, SC
  • Average snowfall in January: 1.14"

The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in January
Fort Mill, SC

Average snowfall days in January - Fort Mill, SC
  • Average snowfall days in January: 0.8 days

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in January /
Average sunshine in January
Fort Mill, SC

Average daylight in January / Average sunshine in January - Fort Mill, SC
  • Average daylight in January: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in January: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in January
Fort Mill, SC

Average sunshine days in January - Fort Mill, SC
  • Average sunshine days in January: 19.5 days

The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (11.8 days).

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Average UV index in January
Fort Mill, SC

Average UV index in January - Fort Mill, SC
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in January
Fort Mill, SC

Average cloud cover in January - Fort Mill, SC
  • Average cloud cover in January: 39

The months with the most cloud cover are February and December (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in January
Fort Mill, SC

Average visibility in January - Fort Mill, 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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Fort Mill, South Carolina, USA

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