January Weather in Warrenton, United States

Last updated: June 24, 2025

In January, the average temperature in Warrenton, United States hovers around 5°C (42°F), with a range from a chilly -14°C (7°F) to a pleasantly warm 24°C (76°F). Expect approximately 86 mm (3.4 in) of precipitation spread over 9 days, contributing to a relatively high average humidity of 84%.

January Temperature in Warrenton

In January in Warrenton, the average temperature is 5°C (42°F), with maximums reaching 24°C (76°F) and minimums dipping as low as -14°C (7°F). It's advisable to pack layers and prepare for a wide range of weather conditions when traveling during this time.

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

The chart illustrates January temperature patterns in Warrenton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Warrenton, January typically has an average temperature of 5°C (42°F), with highs reaching up to 24°C (76°F) and lows dropping to around -14°C (7°F).

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

January Precipitation in Warrenton

In Warrenton in January, the precipitation amount is 86 mm (3.4 in), falling over the course of 9 days.

January Precipitation Trends in Warrenton

The chart displays monthly precipitation patterns in Warrenton, 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 Warrenton, January typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 9 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 Warrenton

In Warrenton in January, humidity is 84%. With an average temperature of 5°C (42°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier while traveling.

January Average Humidity in Warrenton

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

In Warrenton 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 Warrenton, you can check the information here.

Maximum UV Index Levels in Warrenton for January

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

Data source: Warrenton 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 Warrenton Compares to Other Months

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

This table compares monthly weather conditions in Warrenton, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	86 mm (3.4 inches)	84%	moderate
February Weather	8°C (47°F)	109 mm (4.3 inches)	84%	high
March Weather	11°C (52°F)	88 mm (3.5 inches)	84%	high
April Weather	16°C (61°F)	107 mm (4.2 inches)	82%	very high
May Weather	21°C (70°F)	120 mm (4.7 inches)	82%	extreme
June Weather	24°C (76°F)	123 mm (4.8 inches)	83%	extreme
July Weather	27°C (80°F)	110 mm (4.3 inches)	79%	extreme
August Weather	26°C (78°F)	141 mm (5.5 inches)	77%	very high
September Weather	23°C (74°F)	109 mm (4.3 inches)	75%	very high
October Weather	18°C (65°F)	98 mm (3.8 inches)	81%	very high
November Weather	10°C (51°F)	78 mm (3.1 inches)	87%	moderate
December Weather	7°C (46°F)	100 mm (3.9 inches)	85%	moderate