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
Harleyville's January weather reaches an average high of 55.2°F (12.9°C) and an average low of 38.8°F (3.8°C), making it the coldest month.Humidity
The least humid month in Harleyville is January, with an average relative humidity of 72%.Rainfall
In January, in Harleyville, the rain falls for 9.5 days. Throughout January, 1.1" (28mm) of precipitation is accumulated. Throughout the year, there are 151.2 rainfall days, and 23.46" (596mm) of precipitation is accumulated.Snowfall
January and February are months with snowfall. The months with the most snowfall are January and February, with an average 0.16" (4mm) of accumulated snow.Daylight
In Harleyville, the average length of the day in January is 10h and 15min.On the first day of the month, sunrise is at 7:25 am and sunset at 5:25 pm. On the last day of January, in Harleyville, sunrise is at 7:18 am and sunset at 5:52 pm EST.
Sunshine
In January, the average sunshine in Harleyville is 5.8h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 3 in January interprets into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Harleyville?
What is the temperature in January in Harleyville?
What is the least humid month in Harleyville?
What is the average humidity in January in Harleyville?
How much does it rain in Harleyville in January?
What is the snowiest month in Harleyville?
When does it start to snow in Harleyville?
What is the average length of the day in January in Harleyville?
When is the sunrise / sunset in January in Harleyville?
How many hours of sunshine does Harleyville have in January?
When is the lowest UV index in Harleyville?
How high is the UV index in January in Harleyville?
Average temperature in January
Harleyville, SC
- Average high temperature in January: 55.2°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 (55.2°F).
- Average low temperature in January: 38.8°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in January
Harleyville, 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
Harleyville, SC
- Average wind speed in January: 6.5mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Harleyville, SC
- Average humidity in January: 72%
The months with the highest relative humidity are May, August, September and December (77%).
The month with the lowest relative humidity is January (72%).
Average rainfall in January
Harleyville, SC
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is November (0.91").
Average rainfall days in January
Harleyville, SC
- Average rainfall days in January: 9.5 days
The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is November (6.8 days).
Average snowfall in January
Harleyville, SC
- Average snowfall in January: 0.16"
The months with the highest snowfall are January and February (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Harleyville, SC
- Average snowfall days in January: 0.4 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Harleyville, 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 5min
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 30min).
Average sunshine days in January
Harleyville, SC
- Average sunshine days in January: 20 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (8.7 days).
Average UV index in January
Harleyville, SC
- Average UV index in January: 3
The months with the highest UV index are 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
Harleyville, SC
- Average cloud cover in January: 37
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in January
Harleyville, SC
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Harleyville, South Carolina, USA
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