February Weather in Lewistown, United States

Last updated: June 24, 2025

In February, the average temperature in Lewistown, United States hovers around 1°C (34°F), offering a chilly backdrop. Temperature extremes can vary significantly, with a minimum of -22°C (-8°F) and a maximum of 25°C (77°F). Expect some wet days, as the region sees about 104 mm (4.1 in) of precipitation over 12 days, coupled with a high average humidity of 90%.

February Temperature in Lewistown

In February, in Lewistown, the average temperature is 1°C (34°F). Maximum temperatures can reach 25°C (77°F), while minimums can dip as low as -22°C (-8°F). Be prepared for a diverse range of weather conditions when traveling during this time.

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

The chart illustrates February temperature patterns in Lewistown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lewistown, February typically has an average temperature of 1°C (34°F), with highs reaching up to 25°C (77°F) and lows dropping to around -22°C (-8°F).

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

February Precipitation in Lewistown

In Lewistown in February, the total precipitation amount is 104 mm (4.1 in) spread over 12 days.

February Precipitation Trends in Lewistown

The chart displays monthly precipitation patterns in Lewistown, 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 Lewistown, February typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 12 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 Lewistown

In Lewistown in February, humidity is 90%. With an average temperature of 1°C (34°F), this humidity feels like you're wrapped in a cold, damp blanket, making travel uncomfortable and requiring extra layers to combat the chill.

February Average Humidity in Lewistown

This chart illustrates the average monthly humidity levels in Lewistown, 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 Lewistown is approximately 90%, 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 Lewistown

In Lewistown 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 Lewistown.

Maximum UV Index Levels in Lewistown for February

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

Data source: Lewistown 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 Lewistown Compares to Other Months

Weather in Lewistown varies notably across the year, with each month offering distinct climate conditions. This page compares February’s weather to other months in Lewistown, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Lewistown, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	65 mm (2.6 inches)	89%	moderate
February Weather	1°C (34°F)	104 mm (4.1 inches)	90%	moderate
March Weather	5°C (41°F)	94 mm (3.7 inches)	89%	high
April Weather	11°C (51°F)	102 mm (4.0 inches)	88%	very high
May Weather	17°C (62°F)	120 mm (4.7 inches)	80%	very high
June Weather	21°C (71°F)	101 mm (4.0 inches)	79%	very high
July Weather	24°C (76°F)	121 mm (4.8 inches)	74%	very high
August Weather	23°C (74°F)	102 mm (4.0 inches)	64%	very high
September Weather	20°C (68°F)	129 mm (5.1 inches)	67%	very high
October Weather	14°C (57°F)	113 mm (4.5 inches)	81%	high
November Weather	6°C (42°F)	85 mm (3.3 inches)	89%	moderate
December Weather	2°C (36°F)	91 mm (3.6 inches)	88%	low