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 is January, when temperatures fluctuate between an average high of 50.9°F (10.5°C) and a low of 35.6°F (2°C).Humidity
In Great Falls, the average relative humidity in January is 72%.Rainfall
In January, the rain falls for 10.8 days. Throughout January, 2.24" (57mm) of precipitation is accumulated. In Great Falls, during the entire year, the rain falls for 152.5 days and collects up to 29.53" (750mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In January, it is snowing for 0.8 days. Throughout January, 0.35" (9mm) of snow is accumulated. Throughout the year, there are 2.2 snowfall days, and 1.5" (38mm) of snow is accumulated.Daylight
In Great Falls, South Carolina, the average length of the day in January is 10h and 9min.On the first day of January in Great Falls, sunrise is at 7:30 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:51 pm EST.
Sunshine
In Great Falls, South Carolina, the average sunshine in January is 5.5h.UV index
January is the month with the lowest UV index in Great Falls, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. 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 time of year in Great Falls?
What is the average January temperature in Great Falls?
What is the average humidity in January in Great Falls?
How many days does it rain in January in Great Falls?
How many days does it snow in January in Great Falls?
How many hours of daylight does Great Falls have in January?
What time are sunrise and sunset in January in Great Falls?
How long on average sun shines in January in Great Falls?
When is the lowest UV index in Great Falls?
What is the UV index reading in January in Great Falls?
Average temperature in January
Great Falls, SC
- Average high temperature in January: 50.9°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.9°F).
- Average low temperature in January: 35.6°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).
Average pressure in January
Great Falls, 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 (29.97"Hg).
Average wind speed in January
Great Falls, SC
- Average wind speed in January: 7.4mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Great Falls, SC
- Average humidity in January: 72%
The months with the highest relative humidity are May and December (75%).
The months with the lowest relative humidity are July and November (71%).
Average rainfall in January
Great Falls, SC
- Average rainfall in January: 2.24"
The wettest month (with the highest rainfall) is August (3.19").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in January
Great Falls, SC
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is October (8.4 days).
Average snowfall in January
Great Falls, SC
- Average snowfall in January: 0.35"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Great Falls, SC
- Average snowfall days in January: 0.8 days
The months with the highest number of snowfall days are January and February (0.8 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
Great Falls, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in January
Great Falls, SC
- Average sunshine days in January: 18.6 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in January
Great Falls, 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
Great Falls, SC
- Average cloud cover in January: 38
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in January
Great Falls, 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).
Great Falls, South Carolina, USA
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