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

January weather forecast and climate
Lithonia, GA

January, like December, in Lithonia, Georgia, is a cool winter month, with average temperature varying between 35.2°F (1.8°C) and 50.5°F (10.3°C).

Temperature

With an average high-temperature of 50.5°F (10.3°C) and an average low-temperature of 35.2°F (1.8°C), January is the coldest month.

Humidity

In January, the average relative humidity in Lithonia is 73%.

Rainfall

In Lithonia, during 12.5 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. In Lithonia, Georgia, during the entire year, the rain falls for 182.9 days and collects up to 40.39" (1026mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Lithonia. In Lithonia, during 0.9 snowfall days, 0.51" (13mm) of snow is typically accumulated. In Lithonia, Georgia, during the entire year, snow falls for 2.4 days, and aggregates up to 1.5" (38mm) of snow.

Daylight

In Lithonia, the average length of the day is 10.2h.

Sunshine

The average sunshine in Lithonia is 5.8h.

UV index

Months with the lowest UV index in Lithonia are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Lithonia?

The coldest month is January, with an average high-temperature of 50.5°F (10.3°C) and an average low-temperature of 35.2°F (1.8°C).

What is the temperature in January in Lithonia?

In January, in Lithonia, the average high-temperature is 50.5°F (10.3°C), and the average low-temperature is 35.2°F (1.8°C).

What is the average humidity in January in Lithonia?

The average relative humidity in January in Lithonia is 73%.

How many days does it rain in January in Lithonia?

In January, the rain falls for 12.5 days. Throughout January, 3.07" (78mm) of precipitation is accumulated.

How much does it snow in Lithonia in January?

In Lithonia, Georgia, in January, during 0.9 snowfall days, 0.51" (13mm) of snow is typically accumulated.

How many hours of daylight does Lithonia have in January?

In Lithonia, the average length of the day in January is 10.2h.

How long on average sun shines in January in Lithonia?

The average sunshine in January in Lithonia is 5.8h.

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

January and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in January in Lithonia?

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the UV radiation.
Average temperature in January - Lithonia, GA
  • Average high temperature in January: 50.5°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 (50.5°F).

  • Average low temperature in January: 35.2°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 (35.2°F).

Average humidity in January - Lithonia, GA
  • Average humidity in January: 73%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).

Average rainfall in January - Lithonia, GA
  • Average rainfall in January: 3.07"

The wettest month (with the highest rainfall) is August (5.35").
The driest month (with the least rainfall) is October (2.2").

Average rainfall days in January - Lithonia, GA
  • Average rainfall days in January: 12.5 days

The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is November (9.9 days).

Average snowfall in January - Lithonia, GA
  • Average snowfall in January: 0.51"

The month with the highest snowfall is February (0.71").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January - Lithonia, GA
  • Average snowfall days in January: 0.9 days

The month with the highest number of snowfall days is January (0.9 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January / Average sunshine in January - Lithonia, GA
  • Average daylight in January: 10.2h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in January: 5.8h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 5.1h).

Average UV index in January - Lithonia, GA
  • Average UV index in January: 2

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January and December (UV index 2).