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March Weather in Saint-Thomas, France

Last updated: August 23, 2025

In March, the average temperature in Saint-Thomas, France hovers around 10°C (51°F), with a notable range from a chilly -5°C (23°F) to a warm 24°C (76°F). Expect about 64 mm (2.5 in) of precipitation spread over 12 days, contributing to a considerable average humidity of 80%. Prepare accordingly for a mix of weather!

March Temperature in Saint-Thomas

In March in Saint-Thomas, the average temperature is 10°C (51°F). Maximums can reach 24°C (76°F), while minimums can drop as low as -5°C (23°F). It's important to pack layers to stay comfortable during your travels in such varied weather.

March Weather in Saint-Thomas: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Saint-Thomas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Thomas, March typically has an average temperature of 10°C (51°F), with highs reaching up to 24°C (76°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec424850556169737367594946
Data source: Temperature data for Saint-Thomas 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 Saint-Thomas

In Saint-Thomas in March, the total precipitation amount is 64 mm (2.5 in) over the course of 12 days.

March Precipitation Trends in Saint-Thomas

The chart displays monthly precipitation patterns in Saint-Thomas, 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 Saint-Thomas, March typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec6266646996847055616584118
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Saint-Thomas

In Saint-Thomas in March, humidity is 80%. With an average temperature of 10°C (51°F), this humidity feels like a damp layer clinging to the skin, making outdoor activities uncomfortable and requiring travelers to dress in layers to cope with the chill and moisture in the air.

March Average Humidity in Saint-Thomas

This chart illustrates the average monthly humidity levels in Saint-Thomas, 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 Saint-Thomas is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%83%80%77%75%74%72%70%73%82%87%88%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Saint-Thomas

In Saint-Thomas in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Saint-Thomas, you can refer to this Hourly UV Index in Saint-Thomas.

Maximum UV Index Levels in Saint-Thomas for March

The chart shows the monthly maximum UV Index (UVI) for Saint-Thomas 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 Saint-Thomas typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Saint-Thomas 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 Saint-Thomas Compares to Other Months

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

This table compares monthly weather conditions in Saint-Thomas, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)62 mm (2.5 inches)87%low
February Weather9°C (48°F)66 mm (2.6 inches)83%moderate
March Weather10°C (51°F)64 mm (2.5 inches)80%high
April Weather13°C (55°F)69 mm (2.7 inches)77%high
May Weather16°C (62°F)96 mm (3.8 inches)75%very high
June Weather20°C (69°F)84 mm (3.3 inches)74%very high
July Weather23°C (73°F)70 mm (2.7 inches)72%very high
August Weather23°C (73°F)55 mm (2.2 inches)70%very high
September Weather19°C (67°F)61 mm (2.4 inches)73%high
October Weather15°C (59°F)64 mm (2.5 inches)82%moderate
November Weather9°C (49°F)84 mm (3.3 inches)87%moderate
December Weather8°C (46°F)118 mm (4.6 inches)88%low

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