March Weather in Houston, United States

Last updated: June 24, 2025

In March, the average temperature in Houston, United States hovers around 14°C (58°F). Expect a range from a chilly -4°C (25°F) to a warm 30°C (87°F). Prepare for some rain, as precipitation totals around 163 mm (6.4 in) over 13 days. With an average humidity of 82%, it’s a good time to layer up and stay cozy!

March Temperature in Houston

In March in Houston, the average temperature is 14°C (58°F), with maximums reaching up to 30°C (87°F) and minimums dropping as low as -4°C (25°F). This makes it a versatile month for travelers, offering opportunities to enjoy both warm and cooler experiences.

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

The chart illustrates March temperature patterns in Houston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Houston, March typically has an average temperature of 14°C (58°F), with highs reaching up to 30°C (87°F) and lows dropping to around -4°C (25°F).

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

March Precipitation in Houston

In Houston in March, the total precipitation amount is 163 mm (6.4 in), occurring over the course of 13 days.

March Precipitation Trends in Houston

The chart displays monthly precipitation patterns in Houston, 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 Houston, March typically receives around 163 mm (6.4 inches) of precipitation spread over approximately 13 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Houston

In Houston in March, humidity is 82%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and sticky.

March Average Humidity in Houston

This chart illustrates the average monthly humidity levels in Houston, 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 Houston is approximately 82%, 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 Houston

In Houston in March, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Houston.

Maximum UV Index Levels in Houston for March

The chart shows the monthly maximum UV Index (UVI) for Houston 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 Houston typically reaches 8, which falls under the very high exposure category.

Data source: Houston 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 Houston Compares to Other Months

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

This table compares monthly weather conditions in Houston, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	128 mm (5.0 inches)	85%	moderate
February Weather	10°C (50°F)	187 mm (7.4 inches)	84%	high
March Weather	14°C (58°F)	163 mm (6.4 inches)	82%	very high
April Weather	17°C (63°F)	153 mm (6.0 inches)	82%	very high
May Weather	22°C (73°F)	120 mm (4.7 inches)	82%	extreme
June Weather	26°C (79°F)	131 mm (5.2 inches)	79%	extreme
July Weather	27°C (82°F)	103 mm (4.1 inches)	82%	extreme
August Weather	27°C (81°F)	127 mm (5.0 inches)	77%	very high
September Weather	25°C (77°F)	92 mm (3.6 inches)	74%	very high
October Weather	19°C (66°F)	113 mm (4.4 inches)	73%	high
November Weather	11°C (52°F)	75 mm (3.0 inches)	85%	high
December Weather	9°C (49°F)	138 mm (5.4 inches)	88%	moderate