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March Weather in Webster Groves, United States

Last updated: June 24, 2025

In March, the average temperature in Webster Groves, United States hovers around 8°C (48°F). However, be prepared for a range of conditions, with minimum temperatures plunging to a chilly -16°C (3°F) and peaking at a warm 28°C (82°F). Expect about 134 mm (5.3 in) of precipitation spread over 12 days, accompanied by an average humidity of 80%. Stay comfortable and ready for varying weather as you explore this delightful destination!

March Temperature in Webster Groves

In March in Webster Groves, the average temperature is 8°C (48°F). Maximums can reach 28°C (82°F) and minimums can be as low as -16°C (3°F). It’s important to pack for a wide range of temperatures when traveling during this month.

March Weather in Webster Groves: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Webster Groves, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Webster Groves, March typically has an average temperature of 8°C (48°F), with highs reaching up to 28°C (82°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec333647556877807773594539
Data source: Temperature data for Webster Groves 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 Webster Groves

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

March Precipitation Trends in Webster Groves

The chart displays monthly precipitation patterns in Webster Groves, 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 Webster Groves, March typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec79831351351469492131581077564
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Webster Groves

In Webster Groves in March, humidity is 80%. With an average temperature of 8°C (48°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and travel a bit more arduous as the cool air mixes with the moisture, creating a heavy atmosphere.

March Average Humidity in Webster Groves

This chart illustrates the average monthly humidity levels in Webster Groves, 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 Webster Groves is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Webster Groves

In Webster Groves 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 Webster Groves.

Maximum UV Index Levels in Webster Groves for March

The chart shows the monthly maximum UV Index (UVI) for Webster Groves 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 Webster Groves typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109753
Data source: Webster Groves 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 Webster Groves Compares to Other Months

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

This table compares monthly weather conditions in Webster Groves, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)79 mm (3.1 inches)82%moderate
February Weather2°C (36°F)82 mm (3.2 inches)80%moderate
March Weather8°C (48°F)134 mm (5.3 inches)80%high
April Weather13°C (56°F)135 mm (5.3 inches)80%very high
May Weather20°C (68°F)146 mm (5.7 inches)82%very high
June Weather25°C (77°F)94 mm (3.7 inches)83%extreme
July Weather27°C (80°F)92 mm (3.6 inches)81%very high
August Weather25°C (77°F)131 mm (5.1 inches)80%very high
September Weather23°C (73°F)58 mm (2.3 inches)76%very high
October Weather15°C (60°F)107 mm (4.2 inches)76%high
November Weather7°C (45°F)75 mm (3.0 inches)85%moderate
December Weather4°C (40°F)64 mm (2.5 inches)86%moderate

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