Jacksonville
Georgia, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Jacksonville, GA

January, the same as December, in Jacksonville, Georgia, is a moderate winter month, with average temperature fluctuating between 57.4°F (14.1°C) and 40.6°F (4.8°C).

Temperature

With an average high-temperature of 57.4°F (14.1°C) and an average low-temperature of 40.6°F (4.8°C), January is the coldest month.

Humidity

January, October and November, with an average relative humidity of 72%, are the least humid months.

Rainfall

In Jacksonville, during January, the rain falls for 8.1 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, in Jacksonville, there are 134.5 rainfall days, and 14.61" (371mm) of precipitation is accumulated.

Snowfall

January and February are months with snowfall. Months with the most snowfall in Jacksonville are January and February, with an average 0.04" (1mm) of accumulated snow.

Daylight

In Jacksonville, Georgia, the average length of the day is 10.4h.

Sunshine

The average sunshine in Jacksonville, Georgia, is 6.2h.

UV index

Months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. 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 Jacksonville?

January is the coldest month, with an average high-temperature of 57.4°F (14.1°C) and an average low-temperature of 40.6°F (4.8°C).

What is the temperature in January in Jacksonville?

The average high-temperature, in January, in Jacksonville, is 57.4°F (14.1°C), while the average low-temperature is 40.6°F (4.8°C).

What are the least humid months in Jacksonville?

Months with the lowest humidity are January, October and November, with an average relative humidity of 72%.

What is the average humidity in January in Jacksonville?

In Jacksonville, Georgia, the average relative humidity in January is 72%.

How many days does it rain in January in Jacksonville?

In Jacksonville, Georgia, in January, during 8.1 rainfall days, 0.98" (25mm) of precipitation is typically accumulated.

When does it start to snow in Jacksonville?

January is the first month it typically snows. Throughout January, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

When does it snow the most in Jacksonville?

Months with the most snowfall in Jacksonville are January and February, with an average 0.04" (1mm) of accumulated snow.

How many hours of daylight does Jacksonville have in January?

In Jacksonville, the average length of the day in January is 10.4h.

How long on average sun shines in January in Jacksonville?

The average sunshine in January in Jacksonville, Georgia, is 6.2h.

When is the lowest UV index in Jacksonville?

Months with the lowest UV index in Jacksonville, Georgia, are January and December, with an average maximum UV index of 3.

What is the UV index intensity in January in Jacksonville?

In January, the average daily maximum UV index in Jacksonville, Georgia, is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in January - Jacksonville, GA
  • Average high temperature in January: 57.4°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (57.4°F).

  • Average low temperature in January: 40.6°F

Months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).

Average humidity in January - Jacksonville, GA
  • Average humidity in January: 72%

Months with the highest relative humidity are August and December (77%).
Months with the lowest relative humidity are January, October and November (72%).

Average rainfall in January - Jacksonville, GA
  • Average rainfall in January: 0.98"

The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is November (0.71").

Average rainfall days in January - Jacksonville, GA
  • Average rainfall days in January: 8.1 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (5.5 days).

Average snowfall in January - Jacksonville, GA
  • Average snowfall in January: 0.04"

Months with the highest snowfall are January and February (0.04").
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in January - Jacksonville, GA
  • Average snowfall days in January: 0.3 days

The month with the highest number of snowfall days is January (0.3 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in January / Average sunshine in January - Jacksonville, GA
  • Average daylight in January: 10.4h

The month with the longest days is June (Average daylight: 14.2h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in January: 6.2h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is December (Average sunshine: 5.4h).

Average UV index in January - Jacksonville, GA
  • Average UV index in January: 3

Months with the highest UV index are May, June and July (UV index 7).
Months with the lowest UV index are January and December (UV index 3).