March Weather in Grayson, United States

Last updated: June 24, 2025

In March, the average temperature in Grayson, United States hovers around 17°C (62°F). However, be prepared for a range of temperatures, with minimums dipping to -3°C (27°F) and maximums soaring to 31°C (87°F). The region sees an average precipitation of 114 mm (4.5 in) spread across 12 days, complemented by a consistently high average humidity of 80%.

March Temperature in Grayson

In March in Grayson, the average temperature is 17°C (62°F). Maximum temperatures can reach 31°C (87°F), while minimums can drop to a chilly -3°C (27°F). Be prepared for a range of weather conditions during your travels!

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

The chart illustrates March temperature patterns in Grayson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grayson, March typically has an average temperature of 17°C (62°F), with highs reaching up to 31°C (87°F) and lows dropping to around -3°C (27°F).

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

March Precipitation in Grayson

In Grayson in March, the precipitation amount is 114 mm (4.5 in) spread over 12 days.

March Precipitation Trends in Grayson

The chart displays monthly precipitation patterns in Grayson, 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 Grayson, March typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 12 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 Grayson

In Grayson in March, humidity is 80%. With an average temperature of 17°C (62°F), this humidity feels like a heavy blanket wrapping around you, making travel sticky and uncomfortable, and often leaving you longing for a refreshing breeze.

March Average Humidity in Grayson

This chart illustrates the average monthly humidity levels in Grayson, 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 Grayson is approximately 80%, 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 Grayson

In Grayson in March, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Grayson.

Maximum UV Index Levels in Grayson for March

The chart shows the monthly maximum UV Index (UVI) for Grayson 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 Grayson typically reaches 9, which falls under the very high exposure category.

Data source: Grayson 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 Grayson Compares to Other Months

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

This table compares monthly weather conditions in Grayson, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (49°F)	112 mm (4.4 inches)	83%	moderate
February Weather	12°C (54°F)	169 mm (6.6 inches)	83%	high
March Weather	17°C (62°F)	114 mm (4.5 inches)	80%	very high
April Weather	19°C (66°F)	140 mm (5.5 inches)	81%	extreme
May Weather	24°C (75°F)	144 mm (5.7 inches)	81%	extreme
June Weather	27°C (80°F)	131 mm (5.1 inches)	78%	extreme
July Weather	28°C (83°F)	113 mm (4.4 inches)	79%	extreme
August Weather	28°C (83°F)	120 mm (4.7 inches)	79%	extreme
September Weather	26°C (80°F)	96 mm (3.8 inches)	79%	very high
October Weather	21°C (70°F)	120 mm (4.7 inches)	77%	very high
November Weather	13°C (56°F)	80 mm (3.2 inches)	85%	high
December Weather	12°C (53°F)	124 mm (4.9 inches)	88%	moderate