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
In Simpsonville, January is the coldest month, with temperatures averaging a high of 49.6°F (9.8°C) and a low of 33.6°F (0.9°C).Humidity
In Simpsonville, the average relative humidity in January is 73%.Rainfall
In Simpsonville, in January, it is raining for 11.5 days, with typically 3.15" (80mm) of accumulated precipitation. Throughout the year, there are 163.9 rainfall days, and 35.51" (902mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Simpsonville, during January, snow falls for 1.4 days and regularly aggregates up to 0.87" (22mm) of snow. In Simpsonville, South Carolina, during the entire year, snow falls for 3.7 days and aggregates up to 4.17" (106mm) 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 7:36 am and sunset at 5:28 pm. On the last day of January, sunrise is at 7:28 am and sunset at 5:56 pm EST.
Sunshine
The average sunshine in January is 5.6h.UV index
With an average maximum UV index of 2, January is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 2 in January interprets into the following advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
What is the average January temperature?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Simpsonville, SC
- Average high temperature in January: 49.6°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 (49.6°F).
- Average low temperature in January: 33.6°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).
Average pressure in January
Simpsonville, 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
Simpsonville, SC
- Average wind speed in January: 6.6mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in January
Simpsonville, SC
- Average humidity in January: 73%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).
Average rainfall in January
Simpsonville, SC
- Average rainfall in January: 3.15"
The wettest month (with the highest rainfall) is December (4.09").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in January
Simpsonville, SC
- Average rainfall days in January: 11.5 days
The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is October (9.6 days).
Average snowfall in January
Simpsonville, SC
- Average snowfall in January: 0.87"
The month with the highest snowfall is December (1.69").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Simpsonville, SC
- Average snowfall days in January: 1.4 days
The months with the highest number of snowfall days are January and February (1.4 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
Simpsonville, 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: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in January
Simpsonville, SC
- Average sunshine days in January: 17.4 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in January
Simpsonville, SC
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in January
Simpsonville, SC
- Average cloud cover in January: 37
The months with the most cloud cover are February, March and December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in January
Simpsonville, 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).
Simpsonville, South Carolina, USA
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