March Weather in Bay City, United States

Last updated: June 24, 2025

In March, the average temperature in Bay City, United States hovers around 19°C (67°F). Temperatures can range from a brisk -1°C (31°F) to a warm 31°C (89°F). With an average humidity of 76%, the climate often feels moist, and you can expect about 70 mm (2.7 in) of precipitation spread over 10 days. Pack accordingly!

March Temperature in Bay City

In March in Bay City, the average temperature is 19°C (67°F), with maximums reaching 31°C (89°F) and minimums dropping as low as -1°C (31°F). This diverse range of temperatures makes Bay City an ideal destination for travelers seeking various outdoor experiences, from warm sunny days to cooler evenings.

March Weather in Bay City: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Bay City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bay City, March typically has an average temperature of 19°C (67°F), with highs reaching up to 31°C (89°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec565967727982848480736459
Data source: Temperature data for Bay City generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Bay City

In Bay City in March, the precipitation amount is 70 mm (2.7 in) spread over a span of 10 days.

March Precipitation Trends in Bay City

The chart displays monthly precipitation patterns in Bay City, 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 Bay City, March typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec73727071137157145171165747890
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Bay City

In Bay City in March, humidity is 76%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities a bit sluggish and requiring regular breaks to stay hydrated while exploring.

March Average Humidity in Bay City

This chart illustrates the average monthly humidity levels in Bay City, 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 Bay City is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%81%76%79%79%74%72%68%73%75%78%84%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Bay City

In Bay City in March, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Bay City.

Maximum UV Index Levels in Bay City for March

The chart shows the monthly maximum UV Index (UVI) for Bay City 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 Bay City typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121211975
Data source: Bay City 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 Bay City Compares to Other Months

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

This table compares monthly weather conditions in Bay City, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (56°F)73 mm (2.9 inches)78%moderate
February Weather15°C (60°F)72 mm (2.8 inches)81%very high
March Weather19°C (67°F)70 mm (2.7 inches)76%very high
April Weather22°C (72°F)71 mm (2.8 inches)79%extreme
May Weather26°C (79°F)137 mm (5.4 inches)79%extreme
June Weather28°C (83°F)157 mm (6.2 inches)74%extreme
July Weather29°C (84°F)145 mm (5.7 inches)71%extreme
August Weather29°C (85°F)171 mm (6.7 inches)68%extreme
September Weather27°C (81°F)165 mm (6.5 inches)73%extreme
October Weather23°C (74°F)74 mm (2.9 inches)75%very high
November Weather18°C (64°F)78 mm (3.1 inches)78%high
December Weather15°C (60°F)90 mm (3.5 inches)84%moderate

Compare Bay City's Climate with Cities Worldwide