Charleston Weather in January: Temperature, Precipitation, Wind

Temperature
5.2°C
41.3°F
High temperature
9.8°C
49.7°F
Low temperature
1.1°C
33.9°F
Feels like
3.7°C
38.7°F
Rainy days
21 days
Rainfall level
3.13mm
0.12 inch
Cloud coverage
79%
Wind speed
20.7km/h
12.9mph
Daylight time
9:50:43
UV index
2
1
rain
10.4°C
51.0°F
2
rain
12.5°C
55.0°F
3
rain
17.3°C
63.0°F
4
rain
14.2°C
58.0°F
5
partly cloudy day
8.2°C
47.0°F
6
cloudy
4.0°C
39.0°F
7
partly cloudy day
1.3°C
34.0°F
8
rain
1.4°C
35.0°F
9
partly cloudy day
1.7°C
35.0°F
10
partly cloudy day
1.9°C
35.0°F
11
rain
5.8°C
42.0°F
12
rain
10.6°C
51.0°F
13
snow
1.3°C
34.0°F
14
snow
-2.5°C
28.0°F
15
partly cloudy day
-3.9°C
25.0°F
16
rain
0.7°C
33.0°F
17
rain
10.2°C
50.0°F
18
partly cloudy day
8.4°C
47.0°F
19
rain
13.3°C
56.0°F
20
rain
3.6°C
38.0°F
21
partly cloudy day
0.9°C
34.0°F
22
rain
1.4°C
35.0°F
23
snow
1.5°C
35.0°F
24
partly cloudy day
2.9°C
37.0°F
25
rain
7.4°C
45.0°F
26
snow
2.5°C
37.0°F
27
rain
1.9°C
35.0°F
28
partly cloudy day
8.5°C
47.0°F
29
rain
5.6°C
42.0°F
30
rain
8.0°C
46.0°F
31
snow
-0.3°C
31.0°F

Charleston, United States experiences a cool and damp climate in January. The average temperature hovers around 5.2°C (41.3°F), with daily highs reaching 9.8°C (49.7°F) and lows dipping to 1.1°C (33.9°F). Residents and visitors feel the chill more acutely, as the average perceived temperature is 3.7°C (38.7°F), with the feels-like minimum dropping to -1.2°C (29.9°F).

January in Charleston is characterized by frequent precipitation. The city receives an average of 3.13 inches (79.5 mm) of rain, with a 67.7% probability of precipitation on any given day. Rain is the most common form of precipitation, occurring on 21 days throughout the month. Snow is relatively rare, with only 0.26 inches (6.6 mm) falling on average and a minimal snow depth of 0.06 inches (1.5 mm).

Humidity levels in Charleston during January are high, averaging 77.4%. Cloud cover is extensive, with an average of 79% of the sky obscured. These conditions contribute to reduced visibility, which averages 13.9 kilometers (8.6 miles). The UV index remains low at 2.0, reflecting the limited sunlight during this winter month.

Wind plays a significant role in Charleston’s January weather. Average wind speeds reach 20.7 km/h (12.9 mph), with gusts up to 36.9 km/h (22.9 mph). The atmospheric pressure averages 1017.2 hPa, indicating stable conditions.

Charleston’s historic district, including popular attractions like the Charleston City Market and Rainbow Row, experiences these cool and damp conditions throughout January. Visitors to Folly Beach or Sullivan’s Island should prepare for brisk winds and potential rain showers. The average sunrise occurs at 7:40 AM, while sunset takes place around 5:31 PM, providing limited daylight hours for outdoor activities.

What is the temperature in Charleston in January?

Average air temperature in Charleston is 5.2°C (41.3°F) in January. The outside temperature in Charleston feels like 3.7°C (38.7°F) on a typical January day. The highest average temperature during sunny days is 9.8°C (49.7°F) and feels like 9.1°C (48.3°F). The lowest average temperature after dark is 1.1°C (33.9°F) which feels like -1.2°C (29.9°F).

Daily Temperature in Charleston in January -5°C / 23.0°F 0°C / 32.0°F 5°C / 41.0°F 10°C / 50.0°F 15°C / 59.0°F 20°C / 68.0°F 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

How hot is Charleston in January?

The hot temperature in January in Charleston rises to 23.3°C (73.9°F) on sunny days with low cloud coverage and 77.4% humidity. During hottest days of January it feels like 23.3 °C (73.9°F). The average maximum temp in Charleston is 9.8°C (73.9°F) during day time in January.

How cold is Charleston in January?

The coldest temp in Charleston in January drops to -8.3°C (17.1°F) during the cold nights. With 20.7km/h (12.9mph) winds and 77.4% humidity it feels like -8.8°C (16.2°F) on the coldest nights. The average minimum temperature is 1.1°C (33.9°F) during night time in January.

Does it rain in Charleston in January?

Yes, it rains for 21 days in Charleston, United States in January averaging 3.13 mm of precipitation. Charleston has a 67.7% chance for rain throughout the entire month of January.

How much does it rain in Charleston throughout January?

Charleston has 3.13 mm (0.12 inch) of rain per day on average in January. It rains for an average of 21 days out of the entire month.

Does it snow in Charleston in January?

Yes, it snows in Charleston during January. The average snowfall is 0.26 cm (0.1 inch) per day. And there is 0.06 cm (0.02 inch) of snow on the ground.

Is Charleston windy in January?

The average speed of wind in Charleston, United States during January is 20.7km/h (12.9mph) and average windgust is 36.9km/h (22.9mph). On some days in January wind can reach up to 44.5km/h (27.7mph).

Daily wind speed in Charleston in January 0km/h (0mph) 12km/h (7mph) 24km/h (15mph) 36km/h (22mph) 48km/h (30mph) 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

What is the direction of the wind in Charleston in January?

Most days of January the wind is blowing from Southwest direction in Charleston.

What are the humidity levels in Charleston in January?

The average humidity levels in Charleston in January are 77.4%. Daily humidity levels in Charleston range from 44.1% to 96.2% during January.

Daily humidity levels in Charleston in January 0% 25% 50% 75% 100% 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

How many hours of daylight are in Charleston in January?

Charleston has 9 hours 50 minutes of daylight in January on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Charleston in January is at 7:40:40 and the sunset is at 17:31:23.

What is the cloud coverage in Charleston in January?

Clouds cover 79% of the sky on average throughout January in Charleston. The cloud coverage ranges from 26.4% to 100% depending on the day of the month.

What is the UV level in January in Charleston?

The average UV index in Charleston is 2 in January. UV levels change throughout the month and range from 0 to 5.

What is the solar radiation in Charleston in January?

The average solar radiation is 35.3 W/m2 (Watts per square meter) in Charleston during January. However solar radiation levels change throughout the month and range from 9 W/m2 to 86.1 W/m2.

What is the solar energy during January in Charleston?

The average solar energy during January in Charleston is 3 MJ/m2 (megajoules per square metre). Solar energy ranges from 0.7 MJ/m2, to 7.4 MJ/m2 during January.

Are there severe weather risks in Charleston in January?

Yes, there is a 10% risk for severe weather in Charleston, United States in January.

What is the air pressure in Charleston in January?

On average the air pressure in Charleston in January is 1017.2 mb (millibars). Throughout the month the sea level pressure ranges from 1005.4 mb to 1026 mb.

What is the visibility in Charleston in January?

The average daylight visibility in Charleston in January is 13.9 km (8.6 miles). Depending on the precipitation the visibility ranges from 7.8 km (4.8 miles) to 16 km (9.9 miles) throughout January.

What is the dew point in Charleston in January?

The average dew point in Charleston during January is 1.2°C (34.1°F).

Where is the data for Charleston climate in January coming from?

The climate data for Charleston, South Carolina, United States in January is collected from the following weather stations.

  • BECKLEY RALEIGH CO AIRPORT, WV US
  • CHARLESTON YEAGER AIRPORT, WV US
  • HUNTINGTON TRI STATE AIRPORT, WV US
  • BEE MOUNTAIN WV US
  • FW6696 Charleston WV US
  • FW7791 South Charleston WV US
  • KBKW
  • KCRW
  • KHTS
  • LAKIN WV US