February Weather in Lewiston, United States

Last updated: June 24, 2025

In February, the average temperature in Lewiston, United States plunges to a chilly -4°C (25°F), with minimums dipping to -20°C (-4°F) and maximums reaching a milder 10°C (50°F). Expect 89 mm (3.5 in) of precipitation spread over 15 days, contributing to an average humidity of 92%. Be sure to bundle up and prepare for damp days!

February Temperature in Lewiston

In February in Lewiston, the average temperature is -4°C (25°F). Maximum temperatures can reach 10°C (50°F), while the minimum can drop to as low as -20°C (-4°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for both mild and freezing conditions.

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

The chart illustrates February 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, February typically has an average temperature of -4°C (25°F), with highs reaching up to 10°C (50°F) and lows dropping to around -20°C (-4°F).

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

February Precipitation in Lewiston

In Lewiston in February, the precipitation amount is 89 mm (3.5 in) during 15 days of the month.

February Precipitation Trends in Lewiston

The chart displays monthly precipitation patterns in Lewiston, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Lewiston, February typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 15 days.

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

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Millimeters (mm) Inches (in)

February Humidity in Lewiston

In Lewiston in February, humidity is 92%. With an average temperature of -4°C (25°F), this humidity feels like stepping into a frosty cloud, making it challenging for travelers as the cold air clings to the skin and enhances the chill, requiring extra layers to stay warm while exploring.

February Average Humidity in Lewiston

This chart illustrates the average monthly humidity levels in Lewiston, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Lewiston is approximately 92%, offering insight into how humid the weather typically is during this month.

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

February UV Index in Lewiston

In Lewiston in February, 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 February

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

Data source: Lewiston February 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 February 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 February’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 February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
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 Weather	1°C (34°F)	63 mm (2.5 inches)	84%	very high
April Weather	4°C (40°F)	78 mm (3.1 inches)	74%	very high
May Weather	9°C (49°F)	66 mm (2.6 inches)	62%	extreme
June Weather	17°C (62°F)	31 mm (1.2 inches)	56%	extreme
July Weather	22°C (71°F)	17 mm (0.7 inches)	44%	extreme
August Weather	20°C (69°F)	23 mm (0.9 inches)	37%	extreme
September Weather	15°C (59°F)	36 mm (1.4 inches)	46%	very high
October Weather	6°C (43°F)	49 mm (1.9 inches)	67%	high
November Weather	0°C (33°F)	56 mm (2.2 inches)	84%	moderate
December Weather	-5°C (23°F)	59 mm (2.3 inches)	88%	moderate