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April Weather in Princeton, Canada

Last updated: June 18, 2025

In April, the average temperature in Princeton, Canada hovers around 3°C (37°F). Expect a minimum chill of -10°C (15°F), while the mercury can rise to a pleasant 22°C (72°F). During this period, precipitation amounts to 58 mm (2.3 in) over approximately 14 days, accompanied by a notably high average humidity of 86%. Stay prepared for a mix of weather conditions!

April Temperature in Princeton

In April in Princeton, the average temperature is 3°C (37°F), with maximums reaching 22°C (72°F) and minimums dipping as low as -10°C (15°F). Travelers should be prepared for a wide range of temperatures during this time of year.

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

The chart illustrates April 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, April typically has an average temperature of 3°C (37°F), with highs reaching up to 22°C (72°F) and lows dropping to around -10°C (15°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.

April Precipitation in Princeton

In Princeton in April, the precipitation amount is 58 mm (2.3 in) over the course of 14 days.

April Precipitation Trends in Princeton

The chart displays monthly precipitation patterns in Princeton, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Princeton, April typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec84886458474420175288124114
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Princeton

In Princeton in April humidity is 86%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

April Average Humidity in Princeton

This chart illustrates the average monthly humidity levels in Princeton, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Princeton is approximately 86%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Princeton

In Princeton in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Princeton.

Maximum UV Index Levels in Princeton for April

The chart shows the monthly maximum UV Index (UVI) for Princeton in April, 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 April, the maximum UV index in Princeton typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799997521
Data source: Princeton April 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 April 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 April’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 April’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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