January Weather in Smyrna, United States

Last updated: June 24, 2025

In Smyrna, United States, the average temperature in January hovers around 3°C (38°F). Be prepared for temperature extremes, as minimums can plummet to -15°C (5°F) while maximums can reach up to 20°C (68°F). This month also sees precipitation measuring 59 mm (2.3 in) over approximately 8 days, with an average humidity level of 84%.

January Temperature in Smyrna

In January in Smyrna, the average temperature is 3°C (38°F), with maximums reaching up to 20°C (68°F) and minimums dropping as low as -15°C (5°F). Travelers should be prepared for a wide range of temperatures, making layered clothing essential for comfort.

January Weather in Smyrna: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Smyrna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Smyrna, January typically has an average temperature of 3°C (38°F), with highs reaching up to 20°C (68°F) and lows dropping to around -15°C (5°F).

Data source: Temperature data for Smyrna generated using information from the Copernicus Climate Change Service.

January Precipitation in Smyrna

In Smyrna in January, the total precipitation amount is 59 mm (2.3 in) spread over 8 days.

January Precipitation Trends in Smyrna

The chart displays monthly precipitation patterns in Smyrna, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Smyrna, January typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Smyrna

In Smyrna in January, humidity is 84%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as the cold air clings to you and the moisture creates an oppressive heaviness in the atmosphere.

January Average Humidity in Smyrna

This chart illustrates the average monthly humidity levels in Smyrna, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Smyrna is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Smyrna

In Smyrna in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Smyrna, you can check the information here.

Maximum UV Index Levels in Smyrna for January

The chart shows the monthly maximum UV Index (UVI) for Smyrna in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Smyrna typically reaches 3, which falls under the moderate exposure category.

Data source: Smyrna January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Smyrna Compares to Other Months

Weather in Smyrna varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Smyrna, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Smyrna, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	59 mm (2.3 inches)	84%	moderate
February Weather	5°C (41°F)	99 mm (3.9 inches)	83%	moderate
March Weather	8°C (46°F)	105 mm (4.1 inches)	83%	high
April Weather	13°C (56°F)	96 mm (3.8 inches)	81%	very high
May Weather	18°C (65°F)	127 mm (5.0 inches)	78%	very high
June Weather	24°C (75°F)	106 mm (4.2 inches)	79%	very high
July Weather	27°C (80°F)	144 mm (5.7 inches)	74%	very high
August Weather	25°C (78°F)	183 mm (7.2 inches)	72%	very high
September Weather	22°C (72°F)	96 mm (3.8 inches)	75%	very high
October Weather	17°C (63°F)	121 mm (4.8 inches)	81%	high
November Weather	9°C (49°F)	78 mm (3.1 inches)	85%	moderate
December Weather	5°C (42°F)	97 mm (3.8 inches)	84%	moderate