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March Weather in Princeton, Canada

Last updated: June 18, 2025

In March, the average temperature in Princeton, Canada hovers around -1°C (30°F). While you might experience minimum temperatures plummeting to -26°C (-14°F), there's a possibility of warmer days, with highs reaching 16°C (61°F). Expect about 64 mm (2.5 in) of precipitation over 14 days, accompanied by a high average humidity of 88%. Be prepared for a chilly, damp atmosphere!

March Temperature in Princeton

In March in Princeton, the average temperature is -1°C (30°F), with maximums reaching 16°C (61°F) and minimums dropping as low as -26°C (-14°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both chilly and relatively mild weather.

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

The chart illustrates March temperature patterns in Princeton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Princeton, 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 -26°C (-14°F).
JanFebMarAprMayJunJulAugSepOctNovDec252130374652585850373225
Data source: Temperature data for Princeton 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 Princeton

In Princeton in March, the precipitation amount is 64 mm (2.5 in) spread out over 14 days.

March Precipitation Trends in Princeton

The chart displays monthly precipitation patterns in Princeton, 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 Princeton, March typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec84886458474420175288124114
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Princeton

In Princeton in March humidity is 88%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates through your layers, making travel uncomfortable as every gust of wind becomes a sharp reminder of the cold and damp air surrounding you.

March Average Humidity in Princeton

This chart illustrates the average monthly humidity levels in Princeton, 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 Princeton is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%88%86%82%82%85%77%76%88%88%89%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Princeton

In Princeton 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 Princeton.

Maximum UV Index Levels in Princeton for March

The chart shows the monthly maximum UV Index (UVI) for Princeton 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 Princeton typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799997521
Data source: Princeton 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 Princeton Compares to Other Months

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

This table compares monthly weather conditions in Princeton, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)83 mm (3.3 inches)87%low
February Weather-6°C (21°F)88 mm (3.5 inches)86%moderate
March Weather-1°C (30°F)64 mm (2.5 inches)88%moderate
April Weather3°C (37°F)58 mm (2.3 inches)86%high
May Weather8°C (47°F)47 mm (1.8 inches)82%very high
June Weather11°C (52°F)44 mm (1.7 inches)82%very high
July Weather14°C (58°F)20 mm (0.8 inches)85%very high
August Weather14°C (58°F)17 mm (0.7 inches)77%very high
September Weather10°C (50°F)52 mm (2.1 inches)76%high
October Weather3°C (38°F)88 mm (3.5 inches)88%moderate
November Weather0°C (32°F)124 mm (4.9 inches)88%low
December Weather-4°C (25°F)114 mm (4.5 inches)89%low

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