January Weather in Vandalia, United States

Last updated: June 24, 2025

In January, the average temperature in Vandalia, United States hovers around 0°C (32°F). During this time, you can expect a minimum chill of -22°C (-7°F), while temperatures can reach a pleasant 19°C (67°F) at their peak. Keep in mind, precipitation levels are around 80 mm (3.1 in) spread over 8 days, contributing to an average humidity of 84%.

January Temperature in Vandalia

In January in Vandalia, the average temperature is 0°C (32°F). Maximums can reach 19°C (67°F) and minimums can be as low as -22°C (-7°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and cold conditions.

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

The chart illustrates January temperature patterns in Vandalia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vandalia, January typically has an average temperature of 0°C (32°F), with highs reaching up to 19°C (67°F) and lows dropping to around -22°C (-7°F).

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

January Precipitation in Vandalia

In Vandalia in January, the precipitation amount is 80 mm (3.1 in) over a period of 8 days.

January Precipitation Trends in Vandalia

The chart displays monthly precipitation patterns in Vandalia, 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 Vandalia, January typically receives around 80 mm (3.1 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Vandalia

In Vandalia in January, humidity is 84%. With an average temperature of 0°C (32°F), this humidity feels like a cold, damp chill that seeps into your clothes, making traveling uncomfortable and necessitating extra layers to stay warm despite the moisture-laden air.

January Average Humidity in Vandalia

This chart illustrates the average monthly humidity levels in Vandalia, 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 Vandalia 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 Vandalia

In Vandalia 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 Vandalia, you can check the information here.

Maximum UV Index Levels in Vandalia for January

The chart shows the monthly maximum UV Index (UVI) for Vandalia 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 Vandalia typically reaches 3, which falls under the moderate exposure category.

Data source: Vandalia 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 Vandalia Compares to Other Months

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

This table compares monthly weather conditions in Vandalia, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	80 mm (3.1 inches)	84%	moderate
February Weather	2°C (35°F)	82 mm (3.2 inches)	82%	moderate
March Weather	8°C (46°F)	134 mm (5.3 inches)	84%	high
April Weather	12°C (55°F)	130 mm (5.1 inches)	83%	very high
May Weather	19°C (67°F)	153 mm (6.0 inches)	80%	extreme
June Weather	25°C (77°F)	105 mm (4.1 inches)	83%	extreme
July Weather	26°C (79°F)	94 mm (3.7 inches)	82%	very high
August Weather	24°C (76°F)	105 mm (4.1 inches)	82%	very high
September Weather	22°C (72°F)	62 mm (2.4 inches)	79%	very high
October Weather	15°C (59°F)	114 mm (4.5 inches)	79%	high
November Weather	6°C (43°F)	83 mm (3.3 inches)	88%	moderate
December Weather	3°C (38°F)	71 mm (2.8 inches)	87%	moderate