February Weather in Lewiston, United States

Last updated: June 24, 2025

In February, the average temperature in Lewiston, United States hovers around -1°C (30°F). Expect chilly nights, with minimum temperatures plunging to -18°C (-1°F), while daytime highs can reach a mild 14°C (58°F). Precipitation is quite frequent, totaling 87 mm (3.4 in) over 14 days, and with an average humidity of 91%, it's important to bundle up and stay dry!

February Temperature in Lewiston

In February in Lewiston, the average temperature is -1°C (30°F), with maximums reaching 14°C (58°F) and minimums dipping as low as -18°C (-1°F). Travelers should prepare for chilly conditions and be ready for occasional warm spells amidst the cold.

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 -1°C (30°F), with highs reaching up to 14°C (58°F) and lows dropping to around -18°C (-1°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 87 mm (3.4 in) over a span of 14 days.

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 87 mm (3.4 inches) of precipitation spread over approximately 14 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 91%. With an average temperature of -1°C (30°F), this humidity feels like stepping into a damp, chilly fog that clings to your skin, making every breath a reminder of the cold, and every step outdoors an adventure in resilience against the elements.

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 91%, 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 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Lewiston for better planning.

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 4, 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	-2°C (29°F)	78 mm (3.1 inches)	91%	low
February Weather	-1°C (30°F)	87 mm (3.4 inches)	91%	moderate
March Weather	2°C (35°F)	71 mm (2.8 inches)	88%	moderate
April Weather	6°C (43°F)	118 mm (4.6 inches)	88%	very high
May Weather	11°C (53°F)	99 mm (3.9 inches)	82%	very high
June Weather	18°C (64°F)	81 mm (3.2 inches)	79%	very high
July Weather	23°C (73°F)	115 mm (4.5 inches)	77%	very high
August Weather	22°C (73°F)	85 mm (3.3 inches)	72%	very high
September Weather	19°C (66°F)	73 mm (2.9 inches)	76%	high
October Weather	13°C (56°F)	128 mm (5.0 inches)	83%	moderate
November Weather	6°C (42°F)	89 mm (3.5 inches)	88%	moderate
December Weather	1°C (35°F)	90 mm (3.5 inches)	87%	low