January Weather in Louisa, United States

Last updated: June 24, 2025

In January, the average temperature in Louisa, United States hovers around 4°C (39°F). Expect cold snaps, with minimums dipping to -16°C (4°F), while sunny days could reach a pleasant 21°C (70°F). Precipitation is fairly common, totaling 64 mm (2.5 in) over 7 days, and the air remains quite moist with an average humidity of 84%.

January Temperature in Louisa

In January in Louisa, the average temperature is 4°C (39°F). The maximum can reach 21°C (70°F), while the minimum can drop to as low as -16°C (4°F). Be prepared for a wide range of temperatures when traveling to Louisa during this time.

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

The chart illustrates January temperature patterns in Louisa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Louisa, January typically has an average temperature of 4°C (39°F), with highs reaching up to 21°C (70°F) and lows dropping to around -16°C (4°F).

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

January Precipitation in Louisa

In Louisa in January, the precipitation amount is 64 mm (2.5 in) accumulated over a period of 7 days.

January Precipitation Trends in Louisa

The chart displays monthly precipitation patterns in Louisa, 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 Louisa, January typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 7 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 Louisa

In Louisa in January, humidity is 84%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions uncomfortable and demanding more layers than you anticipate while traveling.

January Average Humidity in Louisa

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

In Louisa 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 Louisa, you can check the information here.

Maximum UV Index Levels in Louisa for January

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

Data source: Louisa 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 Louisa Compares to Other Months

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

This table compares monthly weather conditions in Louisa, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	64 mm (2.5 inches)	84%	moderate
February Weather	6°C (44°F)	93 mm (3.7 inches)	84%	high
March Weather	9°C (49°F)	67 mm (2.6 inches)	84%	high
April Weather	15°C (59°F)	102 mm (4.0 inches)	82%	very high
May Weather	20°C (68°F)	104 mm (4.1 inches)	82%	very high
June Weather	24°C (76°F)	107 mm (4.2 inches)	83%	very high
July Weather	27°C (82°F)	66 mm (2.6 inches)	79%	very high
August Weather	26°C (79°F)	127 mm (5.0 inches)	77%	very high
September Weather	23°C (73°F)	83 mm (3.3 inches)	75%	very high
October Weather	17°C (63°F)	104 mm (4.1 inches)	81%	high
November Weather	9°C (49°F)	72 mm (2.9 inches)	87%	moderate
December Weather	6°C (43°F)	84 mm (3.3 inches)	85%	moderate