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March Weather in Saint George, United States

Last updated: June 24, 2025

The average temperature in Saint George, United States during March is 8°C (46°F), with extremes that can drop to a chilling -19°C (-3°F) or soar to a sweltering 33°C (92°F). Expect 88 mm (3.5 in) of precipitation spread over 9 days, contributing to an average humidity of 70% that adds a noticeable moisture to the air.

March Temperature in Saint George

In March in Saint George, the average temperature is 8°C (46°F). The maximum can reach 33°C (92°F), while the minimum can drop to as low as -19°C (-3°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack clothing suitable for both warm and cold weather.

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

The chart illustrates March temperature patterns in Saint George, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint George, March typically has an average temperature of 8°C (46°F), with highs reaching up to 33°C (92°F) and lows dropping to around -19°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec313246546578817772564437
Data source: Temperature data for Saint George 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 George

In Saint George in March, the precipitation amount is 88 mm (3.5 in) over the course of 9 days.

March Precipitation Trends in Saint George

The chart displays monthly precipitation patterns in Saint George, 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 George, March typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec32298869187868112169983428
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Saint George

In Saint George in March, humidity is 70%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that can make exploring the area feel less enjoyable and might lead travelers to seek indoor activities or wrapped layers for comfort.

March Average Humidity in Saint George

This chart illustrates the average monthly humidity levels in Saint George, 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 George is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%84%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Saint George

In Saint George 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 George, you can refer to this Hourly UV Index in Saint George.

Maximum UV Index Levels in Saint George for March

The chart shows the monthly maximum UV Index (UVI) for Saint George 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 George typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Saint George 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 George Compares to Other Months

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

This table compares monthly weather conditions in Saint George, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)32 mm (1.3 inches)76%moderate
February Weather0°C (32°F)29 mm (1.1 inches)77%moderate
March Weather8°C (46°F)88 mm (3.5 inches)70%high
April Weather12°C (54°F)69 mm (2.7 inches)73%very high
May Weather19°C (66°F)187 mm (7.4 inches)82%very high
June Weather26°C (78°F)86 mm (3.4 inches)82%extreme
July Weather27°C (81°F)81 mm (3.2 inches)81%extreme
August Weather25°C (77°F)121 mm (4.7 inches)78%very high
September Weather22°C (73°F)69 mm (2.7 inches)71%very high
October Weather14°C (57°F)98 mm (3.8 inches)71%high
November Weather7°C (44°F)34 mm (1.3 inches)81%moderate
December Weather3°C (37°F)28 mm (1.1 inches)84%moderate

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