January weather forecastCainhoy, SC
January
Weather in January
January is usually a month of moderate temperatures in Cainhoy, South Carolina. The afternoon highs hover around 57.2°F (14°C) and can drop to about 45.1°F (7.3°C) in late nights and early mornings. It can be a blustery month with wind speed averaging 9.3mph (15km/h) and gusts reaching up to 14.7mph (23.7km/h). It is a wet start to the year with scattered rainfall and some overcast days throughout the month. Compared to the ensuing month, January has a slightly less rainfall, more daylight hours, but lower daytime high temperatures.Temperature
The month of January sees the lowest average temperatures, reaching 57.2°F (14°C) at the peak and 45.1°F (7.3°C) at the low.Humidity
The months with the lowest humidity are January and March, with an average relative humidity of 73%.Rainfall
January is the month with the least rainfall. Rain falls for 9.8 days and accumulates 1.38" (35mm) of precipitation.Snowfall
January, March through November are months without snowfall.Daylight
The average length of the day in January is 10h and 16min.On the first day of the month, sunrise is at 7:21 am and sunset at 5:23 pm. On the last day of January, sunrise is at 7:15 am and sunset at 5:50 pm EST.
Sunshine
In Cainhoy, the average sunshine in January is 5.9h.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 health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 3 in January suggests the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Cainhoy, SC
- Average high temperature in January: 57.2°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 (57.2°F).
- Average low temperature in January: 45.1°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 (45.1°F).
Average pressure in January
Cainhoy, SC
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in January
Cainhoy, SC
- Average wind speed in January: 9.3mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity in January
Cainhoy, SC
- Average humidity in January: 73%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January and March (73%).
Average rainfall in January
Cainhoy, SC
- Average rainfall in January: 1.38"
The wettest month (with the highest rainfall) is August (8.03").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in January
Cainhoy, SC
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is August (25.8 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in January
Cainhoy, SC
- Average snowfall in January: 0"
The month with the highest snowfall is December (0.5").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Cainhoy, SC
- Average snowfall days in January: 0.3 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Cainhoy, SC
- Average daylight in January: 10h and 18min
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 54min
The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in January
Cainhoy, SC
- Average sunshine days in January: 19.3 days
The months with the most sunshine days are January and November (19.3 days).
The month with the least sunshine days is August (3 days).
Average UV index in January
Cainhoy, 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).
Average cloud cover in January
Cainhoy, SC
- Average cloud cover in January: 35
The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in January
Cainhoy, 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).
