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
The coldest period tends to be January, when average temperatures fluctuate between a high of 50.5°F (10.3°C) and a low of 34.7°F (1.5°C).Humidity
The average relative humidity in January is 72%.Rainfall
In January, the rain falls for 10.8 days. Throughout January, 2.32" (59mm) of precipitation is accumulated. Throughout the year, there are 157.1 rainfall days, and 31.06" (789mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. In January, it is snowing for 0.6 days. Throughout January, 0.47" (12mm) of snow is accumulated. In Chester, during the entire year, snow falls for 2.1 days and aggregates up to 1.81" (46mm) of snow.Daylight
In January, the average length of the day is 10h and 8min.On the first day of the month, sunrise is at 7:31 am and sunset at 5:24 pm. On the last day of January, sunrise is at 7:23 am and sunset at 5:52 pm EST.
Sunshine
In Chester, the average sunshine in January is 5.6h.UV index
The month with the lowest UV index is January, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
What are the temperatures in January?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January in Chester?
When are sunrise and sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
How high is the UV index in January in Chester?
Average temperature in January
Chester, SC
- Average high temperature in January: 50.5°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in January: 34.7°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).
Average pressure in January
Chester, SC
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in January
Chester, SC
- Average wind speed in January: 7mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in January
Chester, SC
- Average humidity in January: 72%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in January
Chester, SC
- Average rainfall in January: 2.32"
The wettest month (with the highest rainfall) is August (3.35").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in January
Chester, SC
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is October (8.8 days).
Average snowfall in January
Chester, SC
- Average snowfall in January: 0.47"
The month with the highest snowfall is December (0.67").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Chester, SC
- Average snowfall days in January: 0.6 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Chester, SC
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- 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
Chester, SC
- Average sunshine days in January: 19.1 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in January
Chester, SC
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in January
Chester, SC
- Average cloud cover in January: 37
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in January
Chester, 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).
Chester, South Carolina, USA
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