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March Weather in Calais, United States

Last updated: June 24, 2025

In March, the average temperature in Calais, United States hovers around -1°C (30°F), with extremes ranging from a chilling -21°C (-5°F) to a mild 16°C (61°F). Expect 72 mm (2.8 in) of precipitation over 9 days, contributing to an average humidity of 82%. Embrace the diverse climate and prepare accordingly!

March Temperature in Calais

In March in Calais, the average temperature is -1°C (30°F). Maximums can reach 16°C (61°F), while minimums can drop as low as -21°C (-5°F). It's advisable to pack layers and prepare for both chilly and mild conditions while exploring this destination.

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

The chart illustrates March temperature patterns in Calais, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calais, March typically has an average temperature of -1°C (30°F), with highs reaching up to 16°C (61°F) and lows dropping to around -21°C (-5°F).
JanFebMarAprMayJunJulAugSepOctNovDec212330425262686860503726
Data source: Temperature data for Calais 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 Calais

In Calais in March, the precipitation amount is 72 mm (2.8 in) over the course of 9 days.

March Precipitation Trends in Calais

The chart displays monthly precipitation patterns in Calais, 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 Calais, March typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec99907212010791917688109136122
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Calais

In Calais in March, humidity is 82%. With an average temperature of -1°C (30°F), this humidity feels like a sharp chill that penetrates your clothing, making travel uncomfortable and dampening your spirit as you navigate through the cold, moisture-laden air.

March Average Humidity in Calais

This chart illustrates the average monthly humidity levels in Calais, 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 Calais is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%84%82%80%78%82%84%82%82%82%84%82%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Calais

In Calais in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Calais.

Maximum UV Index Levels in Calais for March

The chart shows the monthly maximum UV Index (UVI) for Calais 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 Calais typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245799887532
Data source: Calais 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 Calais Compares to Other Months

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

This table compares monthly weather conditions in Calais, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)98 mm (3.9 inches)83%low
February Weather-5°C (23°F)90 mm (3.5 inches)84%moderate
March Weather-1°C (30°F)72 mm (2.8 inches)82%moderate
April Weather5°C (42°F)119 mm (4.7 inches)80%high
May Weather11°C (53°F)107 mm (4.2 inches)78%very high
June Weather17°C (62°F)91 mm (3.6 inches)82%very high
July Weather20°C (68°F)91 mm (3.6 inches)84%very high
August Weather20°C (68°F)76 mm (3.0 inches)82%very high
September Weather16°C (61°F)88 mm (3.5 inches)82%high
October Weather10°C (50°F)109 mm (4.3 inches)82%moderate
November Weather3°C (37°F)136 mm (5.4 inches)84%moderate
December Weather-3°C (26°F)122 mm (4.8 inches)82%low

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