March Weather in Loudon, United States

Last updated: June 24, 2025

In Loudon, United States, the average temperature in March hovers around 1°C (34°F), with a range that can dip to a brisk -16°C (3°F) or rise to a mild 21°C (69°F). Expect about 78 mm (3.1 in) of precipitation spread over 9 days, paired with an average humidity level of 82%—perfect for cozy winter activities!

March Temperature in Loudon

In March in Loudon, the average temperature is 1°C (34°F). Maximums can reach 21°C (69°F), while minimums can drop to as low as -16°C (3°F). Be prepared for a wide range of temperatures during your travel, so pack accordingly!

March Weather in Loudon: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Loudon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Loudon, March typically has an average temperature of 1°C (34°F), with highs reaching up to 21°C (69°F) and lows dropping to around -16°C (3°F).

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

March Precipitation in Loudon

In Loudon in March, the precipitation amount is 78 mm (3.1 in) over the course of 9 days.

March Precipitation Trends in Loudon

The chart displays monthly precipitation patterns in Loudon, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Loudon, March typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Loudon

In Loudon in March humidity is 82%. With an average temperature of 1°C (34°F), this humidity feels like walking through a thick fog, making it challenging to stay warm and comfortable while traveling.

March Average Humidity in Loudon

This chart illustrates the average monthly humidity levels in Loudon, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Loudon is approximately 82%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Loudon

In Loudon in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Loudon.

Maximum UV Index Levels in Loudon for March

The chart shows the monthly maximum UV Index (UVI) for Loudon in March, 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 March, the maximum UV index in Loudon typically reaches 5, which falls under the moderate exposure category.

Data source: Loudon March 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 March Weather in Loudon Compares to Other Months

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

This table compares monthly weather conditions in Loudon, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	72 mm (2.8 inches)	86%	moderate
February Weather	-2°C (28°F)	83 mm (3.3 inches)	84%	moderate
March Weather	1°C (34°F)	78 mm (3.1 inches)	82%	moderate
April Weather	7°C (46°F)	129 mm (5.1 inches)	80%	very high
May Weather	14°C (57°F)	75 mm (3.0 inches)	72%	very high
June Weather	20°C (68°F)	84 mm (3.3 inches)	72%	very high
July Weather	23°C (73°F)	139 mm (5.5 inches)	67%	very high
August Weather	22°C (71°F)	86 mm (3.4 inches)	66%	very high
September Weather	18°C (64°F)	77 mm (3.0 inches)	71%	high
October Weather	11°C (53°F)	126 mm (5.0 inches)	78%	moderate
November Weather	4°C (39°F)	106 mm (4.2 inches)	84%	moderate
December Weather	-2°C (29°F)	118 mm (4.6 inches)	81%	low