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March Weather in Thornhill, United Kingdom

Last updated: August 27, 2025

In March, the average temperature in Thornhill, United Kingdom hovers around 5°C (41°F). Expect a chilly minimum of -7°C (19°F), while the mercury can rise to a pleasant 16°C (62°F). Be prepared for some wet days, as you'll encounter approximately 116 mm (4.6 in) of precipitation over 17 days. With an average humidity of 86%, dress accordingly to stay comfortable in this damp climate!

March Temperature in Thornhill

In March in Thornhill, the average temperature is 5°C (41°F). Maximums can reach 16°C (62°F), while minimums can drop as low as -7°C (19°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates March temperature patterns in Thornhill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thornhill, March typically has an average temperature of 5°C (41°F), with highs reaching up to 16°C (62°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec383941445056585753484339
Data source: Temperature data for Thornhill 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 Thornhill

In Thornhill in March, the precipitation amount is 116 mm (4.6 in) spread over 17 days.

March Precipitation Trends in Thornhill

The chart displays monthly precipitation patterns in Thornhill, 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 Thornhill, March typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec861611164875112103144101142121122
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Thornhill

In Thornhill in March humidity is 86%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket wrapping around you, making outdoor activities uncomfortable and travel quite challenging due to the chill combined with the stickiness in the air.

March Average Humidity in Thornhill

This chart illustrates the average monthly humidity levels in Thornhill, 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 Thornhill is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%85%81%83%82%82%88%90%92%89%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Thornhill

In Thornhill in March, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Thornhill, you can check the information here.

Maximum UV Index Levels in Thornhill for March

The chart shows the monthly maximum UV Index (UVI) for Thornhill 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 Thornhill typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568865321
Data source: Thornhill 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 Thornhill Compares to Other Months

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

This table compares monthly weather conditions in Thornhill, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)86 mm (3.4 inches)90%low
February Weather4°C (39°F)161 mm (6.3 inches)88%low
March Weather5°C (41°F)116 mm (4.6 inches)86%moderate
April Weather7°C (45°F)47 mm (1.9 inches)85%moderate
May Weather10°C (50°F)75 mm (2.9 inches)80%high
June Weather13°C (56°F)112 mm (4.4 inches)83%very high
July Weather15°C (59°F)103 mm (4.0 inches)82%very high
August Weather14°C (57°F)144 mm (5.7 inches)82%high
September Weather12°C (54°F)101 mm (4.0 inches)88%moderate
October Weather9°C (48°F)142 mm (5.6 inches)90%moderate
November Weather6°C (43°F)121 mm (4.8 inches)92%low
December Weather4°C (40°F)122 mm (4.8 inches)89%low

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