January weather forecast
Hanahan, SC

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Weather in January

In Hanahan, South Carolina, January is characterized by colder temperatures, low rainfall, and a relatively low amount of sunlight. It should be noted that the month comes with the lowest amount of daylight hours, standing merely at 10.3 hours. Though temperatures start to rise in subsequent months, January typically sees a high temperature of 56.8°F (13.8°C) and a low temperature of 41.5°F (5.3°C). The weather conditions in January are ideal for indoor activities, and residents and visitors should be prepared for cold weather throughout the month. By comparison, January has better weather conditions than December, with less humidity, a lower rainfall, and marginally higher temperatures.

Temperature

Hanahan, South Carolina, reaches its lowest average temperatures in January, measuring 56.8°F (13.8°C) at the peak and 41.5°F (5.3°C) at the lowest.

Humidity

January and March, with an average relative humidity of 72%, are the least humid months.

Rainfall

The month with the least rainfall in Hanahan is January, when the rain falls for 10.1 days and typically collects 1.46" (37mm) of precipitation.

Snowfall

Months with snowfall are January, February and December. In Hanahan, in January, snow falls for 0.3 days, with typically accumulated 0.08" (2mm) of snow. In Hanahan, during the entire year, snow falls for 0.9 days and aggregates up to 0.39" (10mm) of snow.

Daylight

The average length of the day in January in Hanahan, South Carolina, is 10h and 16min.
On the first day of the month, sunrise is at 7:22 am and sunset at 5:24 pm. On the last day of January, in Hanahan, sunrise is at 7:15 am and sunset at 5:50 pm EST.

Sunshine

In January, the average sunshine is 5.7h.

UV index

With an average maximum UV index of 3, January is the month with the lowest UV index in Hanahan. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 3 in January, converts into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

What time of the year is the coldest in Hanahan?

With average high and low temperatures of 56.8°F (13.8°C) and 41.5°F (5.3°C) respectively, January is Hanahan's coldest month.

What is the average January temperature in Hanahan?

In Hanahan, 56.8°F (13.8°C) is the average high-temperature and 41.5°F (5.3°C) is the average low-temperature during January.

What are the least humid months in Hanahan?

January and March, with an average relative humidity of 72%, are the least humid months in Hanahan, South Carolina.

What is the average humidity in January in Hanahan?

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

What is the driest month in Hanahan?

January is the month with the least rainfall in Hanahan. Rain falls for 10.1 days and accumulates 1.46" (37mm) of precipitation.

How much does it rain in Hanahan in January?

In Hanahan, during January, the rain falls for 10.1 days and regularly aggregates up to 1.46" (37mm) of precipitation.

How much does it snow in Hanahan in January?

In Hanahan, in January, during 0.3 snowfall days, 0.08" (2mm) of snow is typically accumulated.

How many hours of daylight does Hanahan have in January?

In Hanahan, the average day length in January is 10h and 16min.

When are sunrise and sunset in January in Hanahan?

On the first day of January in Hanahan, sunrise is at 7:22 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:50 pm EST.

How long on average sun shines in January in Hanahan?

In Hanahan, South Carolina, the average sunshine duration in January is 5.7h.

What is the month with the lowest UV index in Hanahan?

The month with the lowest UV index is January, with an average maximum UV index of 3.

How high is the UV index in January in Hanahan?

In January, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
60.6°F 15.9°C
56.8°F 13.8°C
60.6°F 15.9°C
Average low temperature
45.9°F 7.7°C
41.5°F 5.3°C
45.1°F 7.3°C
Average pressure
30.13" 765mmHg
30.14" 766mmHg
30.11" 765mmHg
Average wind speed
6.9mph 11.1km/h
7.1mph 11.4km/h
7.4mph 11.9km/h
Average max. wind speed
7.5mph 12.1km/h
7.6mph 12.2km/h
7.9mph 12.7km/h
Average wind speed gusts
10.9mph 17.5km/h
11.1mph 17.9km/h
11.5mph 18.5km/h
Average humidity
77%
72%
74%
Average rainfall
4.17" 106mm
1.46" 37mm
2.09" 53mm
Average rainfall days
10.8
10.1
10.8
Average snowfall
0.04" 1mm
0.08" 2mm
0.28" 7mm
Average snowfall days
0.2
0.3
0.3
Average daylight
10h 0min
10h 2min
11h 0min
Average sunshine
5h 4min
5h 4min
6h 4min
Average sunshine days
19.1
19.7
15.8
Average UV index
4
3
4
Average cloud cover
41%
36%
40%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Hanahan, SC

Average temperature in January - Hanahan, SC
  • Average high temperature in January: 56.8°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in January: 41.5°F

The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

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Average pressure in January
Hanahan, SC

Average pressure in January - Hanahan, 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
Hanahan, SC

Average wind speed in January - Hanahan, SC
  • Average wind speed in January: 7.1mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in January
Hanahan, SC

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

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

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Average rainfall in January
Hanahan, SC

Average rainfall in January - Hanahan, SC
  • Average rainfall in January: 1.46"

The wettest month (with the highest rainfall) is August (6.22").
The driest month (with the least rainfall) is January (1.46").

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Average rainfall days in January
Hanahan, SC

Average rainfall days in January - Hanahan, SC
  • Average rainfall days in January: 10.1 days

The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is November (8.2 days).

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Average snowfall in January
Hanahan, SC

Average snowfall in January - Hanahan, SC
  • Average snowfall in January: 0.08"

The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in January
Hanahan, SC

Average snowfall days in January - Hanahan, SC
  • Average snowfall days in January: 0.3 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).

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

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

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

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in January
Hanahan, SC

Average sunshine days in January - Hanahan, SC
  • Average sunshine days in January: 19.7 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (5.8 days).

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Average UV index in January
Hanahan, SC

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

The months with the highest UV index are 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
Hanahan, SC

Average cloud cover in January - Hanahan, SC
  • Average cloud cover in January: 36

The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).

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Average visibility in January
Hanahan, SC

Average visibility in January - Hanahan, 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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Hanahan, South Carolina, USA

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