March Weather in Lewiston, United States

Last updated: June 24, 2025

In March, the average temperature in Lewiston, United States hovers around 1°C (35°F), with a range that can drop to a chilling -25°C (-12°F) or peak at a mild 20°C (69°F). Be prepared for 57 mm (2.2 in) of precipitation over the month, typically spread across 8 days, and expect a notably high average humidity of 84%.

March Temperature in Lewiston

In March in Lewiston, the average temperature is 1°C (35°F), with maximums reaching 20°C (69°F) and minimums dropping as low as -25°C (-12°F). Be prepared for a wide range of temperatures when traveling to Lewiston during this time.

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 (35°F), with highs reaching up to 20°C (69°F) and lows dropping to around -25°C (-12°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 57 mm (2.2 in) over the course of 8 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 57 mm (2.2 inches) of precipitation spread over approximately 8 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 84%. With an average temperature of 1°C (35°F), this humidity feels like a cold, damp chill that seeps into your bones, making it feel much colder than the thermometer suggests, which can be quite uncomfortable for traveling.

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 84%, 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	-8°C (18°F)	36 mm (1.4 inches)	84%	low
February Weather	-7°C (20°F)	49 mm (1.9 inches)	85%	moderate
March Weather	1°C (35°F)	57 mm (2.2 inches)	84%	moderate
April Weather	7°C (44°F)	86 mm (3.4 inches)	83%	very high
May Weather	15°C (59°F)	153 mm (6.0 inches)	75%	very high
June Weather	21°C (71°F)	157 mm (6.2 inches)	79%	very high
July Weather	23°C (74°F)	106 mm (4.2 inches)	75%	very high
August Weather	21°C (70°F)	129 mm (5.1 inches)	69%	very high
September Weather	18°C (64°F)	115 mm (4.5 inches)	74%	very high
October Weather	9°C (49°F)	121 mm (4.8 inches)	79%	moderate
November Weather	1°C (34°F)	53 mm (2.1 inches)	88%	moderate
December Weather	-4°C (26°F)	43 mm (1.7 inches)	82%	low