March Weather in Keller, United States

Last updated: June 24, 2025

In March, the average temperature in Keller, United States hovers around 16°C (60°F). You'll experience a range, with a minimum of -6°C (21°F) and a maximum reaching 33°C (91°F). Rain is not uncommon, with 100 mm (3.9 in) of precipitation spread over about 10 days. Don't forget, the air tends to be quite damp, boasting an average humidity of 78%.

March Temperature in Keller

In March in Keller, the average temperature is 16°C (60°F). The maximum can reach 33°C (91°F), and the minimum can be as low as -6°C (21°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack versatile clothing for both warm days and chilly nights.

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

The chart illustrates March temperature patterns in Keller, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Keller, March typically has an average temperature of 16°C (60°F), with highs reaching up to 33°C (91°F) and lows dropping to around -6°C (21°F).

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

March Precipitation in Keller

In Keller in March, the precipitation amount is 100 mm (3.9 in) over a span of 10 days.

March Precipitation Trends in Keller

The chart displays monthly precipitation patterns in Keller, 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 Keller, March typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 10 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 Keller

In Keller in March humidity is 78%. With an average temperature of 16°C (60°F), this humidity feels like a damp embrace, making travel a bit uncomfortable as the air clings to your skin and leaves you feeling sticky.

March Average Humidity in Keller

This chart illustrates the average monthly humidity levels in Keller, 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 Keller is approximately 78%, 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 Keller

In Keller 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 Keller.

Maximum UV Index Levels in Keller for March

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

Data source: Keller 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 Keller Compares to Other Months

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

This table compares monthly weather conditions in Keller, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	52 mm (2.0 inches)	80%	moderate
February Weather	9°C (49°F)	89 mm (3.5 inches)	79%	high
March Weather	16°C (60°F)	100 mm (3.9 inches)	78%	very high
April Weather	18°C (65°F)	104 mm (4.1 inches)	78%	very high
May Weather	24°C (75°F)	150 mm (5.9 inches)	81%	extreme
June Weather	27°C (82°F)	88 mm (3.5 inches)	78%	extreme
July Weather	30°C (85°F)	40 mm (1.6 inches)	73%	extreme
August Weather	29°C (85°F)	87 mm (3.4 inches)	66%	extreme
September Weather	26°C (79°F)	79 mm (3.1 inches)	65%	very high
October Weather	20°C (68°F)	133 mm (5.2 inches)	72%	very high
November Weather	13°C (56°F)	54 mm (2.1 inches)	82%	high
December Weather	11°C (51°F)	52 mm (2.0 inches)	87%	moderate