January Weather in Leonardtown, United States

Last updated: June 24, 2025

In January, the average temperature in Leonardtown, United States is a chilly 4°C (39°F), with extremes ranging from a biting -14°C (7°F) to a mild 20°C (68°F). Expect some drizzle, as precipitation averages around 65 mm (2.5 in) over 8 days. The air will feel quite humid, with an average humidity level of 84%, making it a perfect time to bundle up!

January Temperature in Leonardtown

In January in Leonardtown, the average temperature is 4°C (39°F), with maximums reaching up to 20°C (68°F) and minimums plummeting to as low as -14°C (7°F). Be sure to pack layers to prepare for a range of temperatures while exploring this destination.

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

The chart illustrates January temperature patterns in Leonardtown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Leonardtown, January typically has an average temperature of 4°C (39°F), with highs reaching up to 20°C (68°F) and lows dropping to around -14°C (7°F).

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

January Precipitation in Leonardtown

In Leonardtown in January, the precipitation amount is 65 mm (2.5 in) over a span of 8 days.

January Precipitation Trends in Leonardtown

The chart displays monthly precipitation patterns in Leonardtown, 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 Leonardtown, January typically receives around 65 mm (2.5 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 Leonardtown

In Leonardtown 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 Leonardtown

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

In Leonardtown 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 Leonardtown, you can check the information here.

Maximum UV Index Levels in Leonardtown for January

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

Data source: Leonardtown 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 Leonardtown Compares to Other Months

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

This table compares monthly weather conditions in Leonardtown, 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)	65 mm (2.5 inches)	84%	moderate
February Weather	6°C (43°F)	95 mm (3.7 inches)	83%	moderate
March Weather	9°C (48°F)	79 mm (3.1 inches)	83%	high
April Weather	14°C (58°F)	94 mm (3.7 inches)	81%	very high
May Weather	19°C (67°F)	117 mm (4.6 inches)	78%	very high
June Weather	24°C (76°F)	106 mm (4.2 inches)	79%	very high
July Weather	27°C (81°F)	132 mm (5.2 inches)	74%	very high
August Weather	26°C (79°F)	157 mm (6.2 inches)	72%	very high
September Weather	23°C (74°F)	100 mm (3.9 inches)	75%	very high
October Weather	18°C (64°F)	118 mm (4.7 inches)	81%	high
November Weather	10°C (50°F)	83 mm (3.3 inches)	85%	moderate
December Weather	6°C (44°F)	89 mm (3.5 inches)	84%	moderate