March Weather in Lewiston, United States

Last updated: June 24, 2025

In March, the average temperature in Lewiston, United States hovers around 7°C (44°F). Expect a temperature range that can plunge to a brisk -7°C (20°F) or rise to a pleasant 24°C (75°F). During this time, precipitation measures about 137 mm (5.4 in) across 15 days, while the air remains relatively humid, with an average humidity level of 85%. Prepare accordingly for this varied climate!

March Temperature in Lewiston

In March in Lewiston, the average temperature is 7°C (44°F), with maximums reaching up to 24°C (75°F) and minimums dipping as low as -7°C (20°F). Be sure to pack layers to stay comfortable while exploring the area!

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 7°C (44°F), with highs reaching up to 24°C (75°F) and lows dropping to around -7°C (20°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 137 mm (5.4 in) over the course of 15 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 137 mm (5.4 inches) of precipitation spread over approximately 15 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Lewiston

In Lewiston in March, humidity is 85%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

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 85%, 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 is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, 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 7, which falls under the high 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	4°C (40°F)	163 mm (6.4 inches)	86%	moderate
February Weather	5°C (41°F)	156 mm (6.1 inches)	85%	moderate
March Weather	7°C (44°F)	137 mm (5.4 inches)	85%	high
April Weather	11°C (51°F)	82 mm (3.2 inches)	82%	very high
May Weather	15°C (59°F)	62 mm (2.4 inches)	81%	extreme
June Weather	20°C (69°F)	15 mm (0.6 inches)	79%	extreme
July Weather	25°C (77°F)	2 mm (0.1 inches)	70%	extreme
August Weather	24°C (76°F)	4 mm (0.1 inches)	60%	very high
September Weather	20°C (68°F)	12 mm (0.5 inches)	62%	very high
October Weather	13°C (56°F)	52 mm (2.0 inches)	72%	high
November Weather	8°C (46°F)	97 mm (3.8 inches)	87%	moderate
December Weather	4°C (39°F)	118 mm (4.6 inches)	86%	moderate