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March Weather in Grayson, United States

Last updated: June 24, 2025

In March, the average temperature in Grayson, United States hovers around 9°C (48°F). Expect a wide range, with minimums plummeting to -11°C (13°F) and maximums peaking at 28°C (83°F). Rainfall adds to the scenery, bringing about 110 mm (4.3 in) of precipitation over approximately 13 days. Don't forget, the air tends to be quite humid, with an average humidity level of 87%.

March Temperature in Grayson

In March in Grayson, the average temperature is 9°C (48°F). The maximum can reach 28°C (83°F), while the minimum can drop as low as -11°C (13°F). Be prepared for a wide range of temperatures when traveling during this month!

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 9°C (48°F), with highs reaching up to 28°C (83°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec364148566673787570604541
Data source: Temperature data for Grayson generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Grayson

In Grayson in March, the total precipitation amount is 110 mm (4.3 in) over the course of 13 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 110 mm (4.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9313211012513017511814011311374118
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Grayson

In Grayson in March humidity is 87%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and requiring extra layers and careful planning for any activities.

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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
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 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108753
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.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)93 mm (3.7 inches)88%moderate
February Weather5°C (41°F)132 mm (5.2 inches)88%moderate
March Weather9°C (48°F)110 mm (4.3 inches)87%high
April Weather13°C (56°F)125 mm (4.9 inches)85%very high
May Weather19°C (67°F)130 mm (5.1 inches)81%very high
June Weather23°C (73°F)175 mm (6.9 inches)82%very high
July Weather25°C (78°F)118 mm (4.6 inches)81%very high
August Weather24°C (75°F)140 mm (5.5 inches)73%very high
September Weather21°C (71°F)113 mm (4.4 inches)73%very high
October Weather16°C (60°F)113 mm (4.4 inches)78%high
November Weather7°C (46°F)74 mm (2.9 inches)89%moderate
December Weather5°C (41°F)118 mm (4.6 inches)87%moderate

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