Greenville
South Carolina, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Greenville, SC

A view from the sky of the scenic Greenville City of South Carolina, with a view of the curved bridge over a small river flowing through the city
A view from the sky of the scenic Greenville City of South Carolina, with a view of the curved bridge over a small river flowing through the city
January, the same as December, is a cool winter month in Greenville, South Carolina, with average temperature ranging between max 52.3°F (11.3°C) and min 32°F (0°C).

Temperature

January is the coldest month, with an average high-temperature of 52.3°F (11.3°C) and an average low-temperature of 32°F (0°C).

Humidity

In January, the average relative humidity in Greenville is 65.8%.

Rainfall

In Greenville, in January, it is raining for 10.2 days, with typically 3.8" (97mm) of accumulated precipitation. In Greenville, during the entire year, the rain falls for 114.2 days and collects up to 47.2" (1198.5mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. January is the month with the most snowfall. Snow falls for 1.2 days and accumulates 2.3" (58.4mm) of snow.

Daylight

In January, the average length of the day in Greenville, South Carolina, is 10.1h.

Sunshine

The average sunshine in Greenville is 5.7h.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Greenville. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for average individuals.
The daily maximum UV index of 3 in January interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Greenville?

The coldest month is January, with an average high-temperature of 52.3°F (11.3°C) and an average low-temperature of 32°F (0°C).

What is the temperature in January in Greenville?

In Greenville, South Carolina, in January, the average high-temperature is 52.3°F (11.3°C), and the average low-temperature is 32°F (0°C).

What is the average humidity in January in Greenville?

In Greenville, the average relative humidity in January is 65.8%.

How many days does it rain in January in Greenville?

In January, in Greenville, the rain falls for 10.2 days. Throughout January, 3.8" (97mm) of precipitation is accumulated.

How many days does it snow in January in Greenville?

In Greenville, in January, snow falls for 1.2 days, with typically accumulated 2.3" (58.4mm) of snow.

When does it snow the most in Greenville?

The month with the most snowfall in Greenville, South Carolina, is January when snow falls for 1.2 days and typically aggregates up to 2.3" (58.4mm) of snow.

What is the average length of the day in January in Greenville?

The average length of the day in January in Greenville, South Carolina, is 10.1h.

How many hours of sunshine does Greenville have in January?

In Greenville, South Carolina, the average sunshine in January is 5.7h.

What is the month with the lowest UV index in Greenville?

Months with the lowest UV index in Greenville, South Carolina, are January and December, with an average maximum UV index of 3.

How high is the UV index in January in Greenville?

The average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.
Average temperature in January - Greenville, SC
  • Average high temperature in January: 52.4°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (52.4°F).

  • Average low temperature in January: 32°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (32°F).

Average humidity in January - Greenville, SC
  • Average humidity in January: 65.8%

The month with the highest relative humidity is September (75.8%).
The month with the lowest relative humidity is April (60.7%).

Average rainfall in January - Greenville, SC
  • Average rainfall in January: 3.8"

The wettest month (with the highest rainfall) is July (4.8").
Driest months (with the lowest rainfall) are April, September and October (3.4").

Average rainfall days in January - Greenville, SC
  • Average rainfall days in January: 10.2 days

The month with the highest number of rainy days is July (11.7 days).
The month with the lowest number of rainy days is October (7.2 days).

Average snowfall in January - Greenville, SC
  • Average snowfall in January: 2.3"

The month with the highest snowfall is January (2.3").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January - Greenville, SC
  • Average snowfall days in January: 1.2 days

The month with the highest number of snowfall days is January (1.2 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January / Average sunshine in January - Greenville, SC
  • Average daylight in January: 10.1h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.9h).

  • Average sunshine in January: 5.7h

The month with most sunshine is June (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 5.5h).

Average UV index in January - Greenville, SC
  • Average UV index in January: 3

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January and December (UV index 3).