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April Weather in Greater Napanee, Canada

Last updated: June 18, 2025

In Greater Napanee, Canada, the average temperature in April hovers around 6°C (44°F). However, temperatures can swing dramatically, with minimums dipping to -7°C (19°F) and maximums reaching up to 26°C (79°F). Expect about 120 mm (4.7 in) of precipitation spread over 11 days, accompanied by an average humidity level of 82%.

April Temperature in Greater Napanee

In April in Greater Napanee, the average temperature is 6°C (44°F). Maximums can reach 26°C (79°F) and minimums can be as low as -7°C (19°F). This unpredictable weather makes it essential for travelers to pack both warm and light clothing.

April Weather in Greater Napanee: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Greater Napanee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greater Napanee, April typically has an average temperature of 6°C (44°F), with highs reaching up to 26°C (79°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec222432435666727063513728
Data source: Temperature data for Greater Napanee 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 Greater Napanee

In Greater Napanee in April, the precipitation amount is 120 mm (4.7 in) during a span of 11 days.

April Precipitation Trends in Greater Napanee

The chart displays monthly precipitation patterns in Greater Napanee, 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 Greater Napanee, April typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec71737012096909590721379485
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Greater Napanee

In Greater Napanee in April humidity is 82%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that settles into your bones, making travel uncomfortable as every step feels heavy with moisture and the cool air seems to cling to your skin.

April Average Humidity in Greater Napanee

This chart illustrates the average monthly humidity levels in Greater Napanee, 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 Greater Napanee is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%86%82%75%68%69%67%72%83%88%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Greater Napanee

In Greater Napanee in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Greater Napanee.

Maximum UV Index Levels in Greater Napanee for April

The chart shows the monthly maximum UV Index (UVI) for Greater Napanee 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 Greater Napanee typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Greater Napanee 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 Greater Napanee Compares to Other Months

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

This table compares monthly weather conditions in Greater Napanee, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)71 mm (2.8 inches)93%low
February Weather-4°C (24°F)73 mm (2.9 inches)93%moderate
March Weather0°C (32°F)70 mm (2.8 inches)86%moderate
April Weather6°C (44°F)120 mm (4.7 inches)82%very high
May Weather14°C (57°F)95 mm (3.8 inches)75%very high
June Weather19°C (66°F)90 mm (3.5 inches)68%very high
July Weather22°C (73°F)95 mm (3.7 inches)69%very high
August Weather21°C (71°F)90 mm (3.6 inches)67%very high
September Weather17°C (63°F)72 mm (2.8 inches)72%high
October Weather11°C (52°F)137 mm (5.4 inches)83%moderate
November Weather3°C (38°F)94 mm (3.7 inches)88%moderate
December Weather-2°C (28°F)85 mm (3.4 inches)89%low

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