March Weather in Lewisville, United States

Last updated: June 24, 2025

The average temperature in Lewisville, United States for March is a cool 7°C (45°F). During this time, temperatures can range from a chilly -4°C (26°F) to a pleasant 22°C (72°F). Be prepared for some rain, as the area experiences an average precipitation of 189 mm (7.4 in) over about 18 days. Additionally, expect a high humidity level of 85%, adding to the crisp atmosphere of the season.

March Temperature in Lewisville

In March in Lewisville, the average temperature is 7°C (45°F). The maximum can reach 22°C (72°F), while the minimum can drop as low as -4°C (26°F). This variability in temperature makes it essential for travelers to pack layers to stay comfortable throughout the day.

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

The chart illustrates March 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, March typically has an average temperature of 7°C (45°F), with highs reaching up to 22°C (72°F) and lows dropping to around -4°C (26°F).

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

March Precipitation in Lewisville

In Lewisville in March, the total precipitation amount is 189 mm (7.4 in) spread over a period of 18 days.

March Precipitation Trends in Lewisville

The chart displays monthly precipitation patterns in Lewisville, 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 Lewisville, March typically receives around 189 mm (7.4 inches) of precipitation spread over approximately 18 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Lewisville

In Lewisville in March, humidity is 85%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.

March Average Humidity in Lewisville

This chart illustrates the average monthly humidity levels in Lewisville, 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 Lewisville is approximately 85%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Lewisville

In Lewisville in March, 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 Lewisville.

Maximum UV Index Levels in Lewisville for March

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

Data source: Lewisville 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 Lewisville Compares to Other Months

Weather in Lewisville varies notably across the year, with each month offering distinct climate conditions. This page compares March’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 March’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