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March Weather in Dubuque, United States

Last updated: June 24, 2025

In Dubuque, United States, the average temperature in March hovers around 3°C (37°F). This chilly month can bring extremes, with temperatures plunging to a minimum of -24°C (-11°F) and soaring up to a maximum of 23°C (74°F). Expect a fair share of moisture as well, with 64 mm (2.5 in) of precipitation spread over 9 days. Coupled with an average humidity of 84%, it's a perfect time to bundle up and enjoy the crisp air!

March Temperature in Dubuque

In March in Dubuque, the average temperature is 3°C (37°F). The maximum can reach 23°C (74°F), and the minimum can be as low as -24°C (-11°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack warm clothing as well as some lighter layers.

March Weather in Dubuque: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Dubuque, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dubuque, March typically has an average temperature of 3°C (37°F), with highs reaching up to 23°C (74°F) and lows dropping to around -24°C (-11°F).
JanFebMarAprMayJunJulAugSepOctNovDec212337476172757266523730
Data source: Temperature data for Dubuque 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 Dubuque

In Dubuque in March, the precipitation amount is 64 mm (2.5 in) over a span of 9 days.

March Precipitation Trends in Dubuque

The chart displays monthly precipitation patterns in Dubuque, 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 Dubuque, March typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec4861648615013692891181194643
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Dubuque

In Dubuque in March humidity is 84%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions brisk and invigorating, yet requiring extra layers to stay comfortable.

March Average Humidity in Dubuque

This chart illustrates the average monthly humidity levels in Dubuque, 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 Dubuque is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%84%83%75%79%75%69%74%79%88%82%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Dubuque

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

Maximum UV Index Levels in Dubuque for March

The chart shows the monthly maximum UV Index (UVI) for Dubuque 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 Dubuque typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
Data source: Dubuque 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 Dubuque Compares to Other Months

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

This table compares monthly weather conditions in Dubuque, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)48 mm (1.9 inches)84%moderate
February Weather-5°C (23°F)61 mm (2.4 inches)85%moderate
March Weather3°C (37°F)64 mm (2.5 inches)84%high
April Weather8°C (47°F)86 mm (3.4 inches)83%very high
May Weather16°C (61°F)150 mm (5.9 inches)75%very high
June Weather22°C (72°F)136 mm (5.4 inches)79%very high
July Weather24°C (76°F)92 mm (3.6 inches)75%very high
August Weather22°C (72°F)89 mm (3.5 inches)69%very high
September Weather19°C (66°F)118 mm (4.7 inches)74%very high
October Weather11°C (52°F)119 mm (4.7 inches)79%moderate
November Weather3°C (37°F)46 mm (1.8 inches)88%moderate
December Weather-1°C (30°F)43 mm (1.7 inches)82%low

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