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
Summerville, South Carolina, witnesses the coldest weather in January, with temperatures averaging a high of 56.8°F (13.8°C) and a low of 40.1°F (4.5°C).Humidity
The months with the lowest humidity are January and March, with an average relative humidity of 72%.Rainfall
January is the month with the least rainfall. Rain falls for 5.7 days and accumulates 0.28" (7mm) of precipitation.Snowfall
January and February are months with snowfall in Summerville. The months with the most snowfall in Summerville are January and February, with an average 0.04" (1mm) of accumulated snow.Daylight
In Summerville, the average length of the day in January is 10h and 16min.On the first day of the month, sunrise is at 7:23 am and sunset at 5:24 pm. On the last day of January, in Summerville, sunrise is at 7:16 am and sunset at 5:51 pm EST.
Sunshine
The average sunshine in January in Summerville is 5.6h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 3 in January translates into these instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Stay sun-safe with clothing that is both closely woven and worn loosely. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Summerville?
What is the average January temperature in Summerville?
What are the least humid months in Summerville?
What is the average humidity in January in Summerville?
What is the driest month in Summerville?
How much does it rain in Summerville in January?
What is the snowiest month in Summerville?
When does it start snowing in Summerville?
How many hours of daylight does Summerville have in January?
What time are sunrise and sunset in January in Summerville?
How many hours of sunshine does Summerville have in January?
When is the lowest UV index in Summerville?
How high is the UV index in January in Summerville?
Average temperature in January
Summerville, SC
- Average high temperature in January: 56.8°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in January: 40.1°F
The month with the highest average low temperature is July (74.7°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).
Average pressure in January
Summerville, 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 (29.97"Hg).
Average wind speed in January
Summerville, SC
- Average wind speed in January: 6.1mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in January
Summerville, SC
- Average humidity in January: 72%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January and March (72%).
Average rainfall in January
Summerville, SC
- Average rainfall in January: 0.28"
The wettest month (with the highest rainfall) is August (2.09").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in January
Summerville, SC
- Average rainfall days in January: 5.7 days
The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in January
Summerville, SC
- Average snowfall in January: 0.04"
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Summerville, 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 April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Summerville, 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 30min).
Average sunshine days in January
Summerville, SC
- Average sunshine days in January: 23.6 days
The month with the most sunshine days is January (23.6 days).
The month with the least sunshine days is August (7.4 days).
Average UV index in January
Summerville, SC
- Average UV index in January: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in January
Summerville, SC
- Average cloud cover in January: 38
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are July and October (Cloud cover 29).
Average visibility in January
Summerville, 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).
Summerville, South Carolina, USA
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