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March Weather in Casco, United States

Last updated: June 24, 2025

In March, the average temperature in Casco, United States hovers around 0°C (33°F). Expect a chill in the air, with minimum temperatures plunging to -19°C (-2°F) and highs reaching up to 11°C (52°F). During this month, precipitation is projected at 68 mm (2.7 in) over approximately 9 days, contributing to an average humidity level of 87%. Stay warm and prepared!

March Temperature in Casco

In March in Casco, the average temperature is 0°C (33°F). Maximums can reach 11°C (52°F) and minimums can be as low as -19°C (-2°F). Travelers should be prepared for a wide range of temperatures, bringing layers to stay comfortable throughout the day.

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

The chart illustrates March temperature patterns in Casco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casco, March typically has an average temperature of 0°C (33°F), with highs reaching up to 11°C (52°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec242432394859686963523730
Data source: Temperature data for Casco 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 Casco

In Casco in March, the precipitation amount is 68 mm (2.7 in) spread over 9 days.

March Precipitation Trends in Casco

The chart displays monthly precipitation patterns in Casco, 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 Casco, March typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec495868981109910095761156062
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Casco

In Casco in March, humidity is 87%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making every step feel heavier and the air thick and suffocating, often leading to a sense of discomfort while traveling.

March Average Humidity in Casco

This chart illustrates the average monthly humidity levels in Casco, 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 Casco is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%87%84%77%75%75%73%78%84%89%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Casco

In Casco 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 Casco.

Maximum UV Index Levels in Casco for March

The chart shows the monthly maximum UV Index (UVI) for Casco 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 Casco typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Casco 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 Casco Compares to Other Months

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

This table compares monthly weather conditions in Casco, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)49 mm (1.9 inches)89%low
February Weather-5°C (24°F)57 mm (2.3 inches)90%moderate
March Weather0°C (33°F)68 mm (2.7 inches)87%moderate
April Weather4°C (39°F)98 mm (3.9 inches)84%high
May Weather9°C (48°F)110 mm (4.3 inches)77%very high
June Weather15°C (59°F)99 mm (3.9 inches)75%very high
July Weather20°C (68°F)100 mm (3.9 inches)74%very high
August Weather21°C (69°F)95 mm (3.7 inches)73%very high
September Weather17°C (63°F)76 mm (3.0 inches)78%high
October Weather11°C (52°F)115 mm (4.5 inches)84%moderate
November Weather3°C (38°F)60 mm (2.4 inches)89%moderate
December Weather-1°C (30°F)62 mm (2.4 inches)87%low

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