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March Weather in Lewiston, United States

Last updated: June 24, 2025

In March, the average temperature in Lewiston, United States hovers around 1°C (34°F). While chilly days can see temperatures drop as low as -18°C (-1°F), the mercury can also rise to a pleasant 18°C (64°F) on warmer occasions. Expect 63 mm (2.5 in) of precipitation spread over about 11 days, accompanied by a high average humidity of 84%. Prepare for a month where cozy layers will serve you well!

March Temperature in Lewiston

In March in Lewiston, the average temperature is 1°C (34°F), with maximums reaching up to 18°C (64°F) and minimums dropping as low as -18°C (-1°F). Be prepared for a wide range of temperatures if you plan to travel 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 (34°F), with highs reaching up to 18°C (64°F) and lows dropping to around -18°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec232534404962716959433323
Data source: Temperature data for Lewiston generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Lewiston

In Lewiston in March, the precipitation amount is 63 mm (2.5 in) during a total of 11 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 63 mm (2.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec698963786631182336495659
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Lewiston

In Lewiston in March humidity is 84%. With an average temperature of 1°C (34°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring extra layers to keep warm while navigating the damp air.

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.
JanFebMarAprMayJunJulAugSepOctNovDec91%92%84%75%62%56%44%37%46%67%84%88%
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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35810111211119653
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.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)68 mm (2.7 inches)91%moderate
February Weather-4°C (25°F)89 mm (3.5 inches)92%moderate
March Weather1°C (34°F)63 mm (2.5 inches)84%very high
April Weather4°C (40°F)78 mm (3.1 inches)74%very high
May Weather9°C (49°F)66 mm (2.6 inches)62%extreme
June Weather17°C (62°F)31 mm (1.2 inches)56%extreme
July Weather22°C (71°F)17 mm (0.7 inches)44%extreme
August Weather20°C (69°F)23 mm (0.9 inches)37%extreme
September Weather15°C (59°F)36 mm (1.4 inches)46%very high
October Weather6°C (43°F)49 mm (1.9 inches)67%high
November Weather0°C (33°F)56 mm (2.2 inches)84%moderate
December Weather-5°C (23°F)59 mm (2.3 inches)88%moderate

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