February Weather in Lewisville, United States

Last updated: June 24, 2025

In Lewisville, United States, the average temperature in February hovers around 4°C (40°F), with a wide range that can dip to a chilly -11°C (13°F) at its lowest and reach a mild 16°C (62°F) at its peak. Expect 260 mm (10.2 in) of precipitation spread over 21 days, contributing to an overall average humidity of 84%. Stay prepared for the varying conditions!

February Temperature in Lewisville

In February in Lewisville, the average temperature is 4°C (40°F). Maximums can reach 16°C (62°F) and minimums can drop as low as -11°C (13°F). Be sure to pack warm clothing for your trip, as temperatures can vary significantly throughout the day.

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

The chart illustrates February temperature patterns in Lewisville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lewisville, February typically has an average temperature of 4°C (40°F), with highs reaching up to 16°C (62°F) and lows dropping to around -11°C (13°F).

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

February Precipitation in Lewisville

In Lewisville in February, the precipitation amount is 260 mm (10.2 in) spread over 21 days.

February Precipitation Trends in Lewisville

The chart displays monthly precipitation patterns in Lewisville, 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 Lewisville, February typically receives around 260 mm (10.2 inches) of precipitation spread over approximately 21 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 Lewisville

In Lewisville in February, humidity is 84%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and requiring extra layers to stay warm and dry while traveling.

February Average Humidity in Lewisville

This chart illustrates the average monthly humidity levels in Lewisville, 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 Lewisville is approximately 84%, 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 Lewisville

In Lewisville in February, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Lewisville, you can check the information here.

Maximum UV Index Levels in Lewisville for February

The chart shows the monthly maximum UV Index (UVI) for Lewisville 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 Lewisville typically reaches 3, which falls under the moderate exposure category.

Data source: Lewisville 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 Lewisville Compares to Other Months

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

This table compares monthly weather conditions in Lewisville, 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 (41°F)	246 mm (9.7 inches)	85%	low
February Weather	4°C (40°F)	260 mm (10.2 inches)	84%	moderate
March Weather	7°C (45°F)	189 mm (7.4 inches)	85%	moderate
April Weather	10°C (50°F)	166 mm (6.5 inches)	83%	high
May Weather	14°C (57°F)	86 mm (3.4 inches)	83%	very high
June Weather	17°C (63°F)	75 mm (3.0 inches)	83%	very high
July Weather	20°C (68°F)	10 mm (0.4 inches)	82%	very high
August Weather	20°C (69°F)	13 mm (0.5 inches)	74%	very high
September Weather	17°C (63°F)	111 mm (4.4 inches)	71%	high
October Weather	11°C (52°F)	199 mm (7.8 inches)	81%	moderate
November Weather	7°C (46°F)	260 mm (10.2 inches)	87%	moderate
December Weather	5°C (40°F)	273 mm (10.7 inches)	87%	low