March Weather in Lewiston, United States

Last updated: June 24, 2025

In Lewiston, United States, the average temperature in March hovers around -1°C (30°F). Expect chilly extremes, with a minimum dipping to -24°C (-11°F) and a maximum reaching 21°C (70°F). During this month, anticipate about 55 mm (2.2 in) of precipitation over 10 days, coupled with a high average humidity of 87%. Stay warm and prepared!

March Temperature in Lewiston

In March in Lewiston, the average temperature is -1°C (30°F), with maximums reaching 21°C (70°F) and minimums plummeting to -24°C (-11°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates March temperature patterns in Lewiston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lewiston, March typically has an average temperature of -1°C (30°F), with highs reaching up to 21°C (70°F) and lows dropping to around -24°C (-11°F).

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

March Precipitation in Lewiston

In Lewiston in March, the precipitation amount is 55 mm (2.2 in) spread over a duration of 10 days.

March Precipitation Trends in Lewiston

The chart displays monthly precipitation patterns in Lewiston, 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 Lewiston, March typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 10 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 Lewiston

In Lewiston in March, humidity is 87%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates through layers of clothing, making travel uncomfortable as the dampness clings to your skin, intensifying the cold and causing every gust of wind to feel even more frigid.

March Average Humidity in Lewiston

This chart illustrates the average monthly humidity levels in Lewiston, 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 Lewiston is approximately 87%, 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 Lewiston

In Lewiston 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 Lewiston.

Maximum UV Index Levels in Lewiston for March

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

Data source: Lewiston 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 Lewiston Compares to Other Months

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

This table compares monthly weather conditions in Lewiston, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	49 mm (1.9 inches)	92%	low
February Weather	-6°C (21°F)	55 mm (2.1 inches)	91%	moderate
March Weather	-1°C (30°F)	55 mm (2.2 inches)	87%	moderate
April Weather	5°C (41°F)	94 mm (3.7 inches)	85%	high
May Weather	13°C (55°F)	101 mm (4.0 inches)	79%	very high
June Weather	18°C (65°F)	105 mm (4.1 inches)	75%	very high
July Weather	21°C (70°F)	87 mm (3.4 inches)	75%	very high
August Weather	20°C (68°F)	95 mm (3.7 inches)	75%	very high
September Weather	16°C (60°F)	69 mm (2.7 inches)	79%	high
October Weather	9°C (48°F)	116 mm (4.6 inches)	85%	moderate
November Weather	1°C (34°F)	62 mm (2.4 inches)	88%	moderate
December Weather	-3°C (27°F)	64 mm (2.5 inches)	89%	low