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March Weather in Napierville, Canada

Last updated: June 18, 2025

In March, the average temperature in Napierville, Canada is a chilly -1°C (30°F). Be prepared for a significant range, with minimum temperatures plunging to -21°C (-5°F) and maximums reaching up to 22°C (71°F). Expect about 82 mm (3.2 in) of precipitation spread over 11 days, accompanied by a high average humidity of 86%. Bundle up!

March Temperature in Napierville

In March in Napierville, the average temperature is -1°C (30°F). Maximum temperatures can reach up to 22°C (71°F), while minimums can plummet to as low as -21°C (-5°F). Travelers should be prepared for a wide range of temperatures during this time.

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

The chart illustrates March temperature patterns in Napierville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Napierville, March typically has an average temperature of -1°C (30°F), with highs reaching up to 22°C (71°F) and lows dropping to around -21°C (-5°F).
JanFebMarAprMayJunJulAugSepOctNovDec182130435766727062503525
Data source: Temperature data for Napierville 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 Napierville

In Napierville in March, the precipitation amount is 82 mm (3.2 in) over the course of 11 days.

March Precipitation Trends in Napierville

The chart displays monthly precipitation patterns in Napierville, 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 Napierville, March typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec818082116981121161157314111482
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Napierville

In Napierville in March, humidity is 86%. With an average temperature of -1°C (30°F), this humidity feels like a heavy blanket wrapping around you, making traveling feel much colder and more uncomfortable than the temperature suggests.

March Average Humidity in Napierville

This chart illustrates the average monthly humidity levels in Napierville, 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 Napierville is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Napierville

In Napierville 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 Napierville.

Maximum UV Index Levels in Napierville for March

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

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

This table compares monthly weather conditions in Napierville, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (19°F)81 mm (3.2 inches)93%low
February Weather-6°C (21°F)80 mm (3.1 inches)92%moderate
March Weather-1°C (30°F)82 mm (3.2 inches)86%moderate
April Weather6°C (43°F)116 mm (4.6 inches)85%high
May Weather14°C (57°F)98 mm (3.8 inches)80%very high
June Weather19°C (67°F)112 mm (4.4 inches)74%very high
July Weather22°C (72°F)116 mm (4.6 inches)76%very high
August Weather21°C (70°F)115 mm (4.5 inches)75%very high
September Weather16°C (62°F)73 mm (2.9 inches)78%high
October Weather10°C (51°F)141 mm (5.6 inches)86%moderate
November Weather2°C (35°F)114 mm (4.5 inches)88%moderate
December Weather-4°C (25°F)82 mm (3.2 inches)89%low

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