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March Weather in Saint Elmo, United States

Last updated: June 24, 2025

In March, the average temperature in Saint Elmo, United States hovers around 8°C (46°F), with a broad range that can dip to a chilly -17°C (2°F) or rise to a warm 24°C (76°F). Expect about 134 mm (5.3 in) of precipitation over approximately 12 days, contributing to a notably high average humidity of 84%.

March Temperature in Saint Elmo

In March in Saint Elmo, the average temperature is 8°C (46°F). Maximums can reach 24°C (76°F) and minimums can drop as low as -17°C (2°F). Be prepared for a wide range of temperatures and pack accordingly for your travels!

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

The chart illustrates March temperature patterns in Saint Elmo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Elmo, March typically has an average temperature of 8°C (46°F), with highs reaching up to 24°C (76°F) and lows dropping to around -17°C (2°F).
JanFebMarAprMayJunJulAugSepOctNovDec323546556776797672594338
Data source: Temperature data for Saint Elmo 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 Elmo

In Saint Elmo in March, the precipitation amount is 134 mm (5.3 in) over a period of 12 days.

March Precipitation Trends in Saint Elmo

The chart displays monthly precipitation patterns in Saint Elmo, 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 Elmo, March typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec828613412615310799105651168875
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Saint Elmo

In Saint Elmo in March humidity is 84%. With an average temperature of 8°C (46°F), this humidity feels like a chilly mist wrapping around you, making outdoor exploration cumbersome and layering your clothing a necessity for comfort.

March Average Humidity in Saint Elmo

This chart illustrates the average monthly humidity levels in Saint Elmo, 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 Elmo is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Saint Elmo

In Saint Elmo 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 Saint Elmo.

Maximum UV Index Levels in Saint Elmo for March

The chart shows the monthly maximum UV Index (UVI) for Saint Elmo 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 Elmo typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357911111098643
Data source: Saint Elmo 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 Elmo Compares to Other Months

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

This table compares monthly weather conditions in Saint Elmo, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)82 mm (3.2 inches)84%moderate
February Weather2°C (35°F)86 mm (3.4 inches)82%moderate
March Weather8°C (46°F)134 mm (5.3 inches)84%high
April Weather13°C (55°F)126 mm (5.0 inches)83%very high
May Weather20°C (67°F)153 mm (6.0 inches)80%extreme
June Weather25°C (77°F)107 mm (4.2 inches)83%extreme
July Weather26°C (79°F)99 mm (3.9 inches)82%very high
August Weather24°C (76°F)105 mm (4.2 inches)82%very high
September Weather22°C (72°F)65 mm (2.6 inches)79%very high
October Weather15°C (59°F)116 mm (4.5 inches)79%high
November Weather6°C (43°F)88 mm (3.5 inches)88%moderate
December Weather3°C (38°F)75 mm (2.9 inches)87%moderate

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