Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
During the coldest month, January, temperatures average a high of 56.8°F (13.8°C) and a low of 41.5°F (5.3°C).Humidity
January and March, with an average relative humidity of 72%, are the least humid months.Rainfall
January is the month with the least rainfall. Rain falls for 10.1 days and accumulates 1.46" (37mm) of precipitation.Snowfall
Months with snowfall are January, February and December. In Hanahan, in January, during 0.3 snowfall days, 0.08" (2mm) of snow is typically accumulated. 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 is 10h and 16min.On the first day of January, 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.
Sunshine
The average sunshine in January is 5.7h.UV index
The month with the lowest UV index is January, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: An average UV index of 3 in January transforms into this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
What is the temperature in January?
What are the least humid months?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How many hours of sunshine does Hanahan have in January?
When is the lowest UV index in Hanahan?
What is the UV index intensity in January?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Hanahan, South Carolina, USA
Weather forecast for your location
2. Allow the app to use your location