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August Weather in Greater Napanee, Canada

Last updated: June 18, 2025

In Greater Napanee, Canada, the average temperature in August hovers around 21°C (71°F), creating a comfortable atmosphere. However, be prepared for some variation, as temperatures can dip to a cool 9°C (49°F) or soar to a warm 32°C (90°F). Expect about 90 mm (3.6 in) of precipitation spread over 11 days, adding a touch of freshness to the air with an average humidity of 67%. Enjoy the dynamic climate this month brings!

August Temperature in Greater Napanee

In August in Greater Napanee, the average temperature is 21°C (71°F). Maximums can reach 32°C (90°F) and minimums can be as low as 9°C (49°F). This range makes it an ideal destination for travelers seeking a comfortable climate.

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

The chart illustrates August 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, August typically has an average temperature of 21°C (71°F), with highs reaching up to 32°C (90°F) and lows dropping to around 9°C (49°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.

August Precipitation in Greater Napanee

In Greater Napanee in August, the precipitation amount is 90 mm (3.6 in) spread over 11 days.

August Precipitation Trends in Greater Napanee

The chart displays monthly precipitation patterns in Greater Napanee, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Greater Napanee, August typically receives around 90 mm (3.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec71737012096909590721379485
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Greater Napanee

In Greater Napanee in August humidity is 67%. With an average temperature of 21°C (71°F), this humidity feels like a warm blanket wrapping around you, making traveling both refreshing and a bit stifling at times, as the air clings to your skin and encourages slow, leisurely exploration.

August Average Humidity in Greater Napanee

This chart illustrates the average monthly humidity levels in Greater Napanee, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Greater Napanee is approximately 67%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Greater Napanee

In Greater Napanee in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Greater Napanee.

Maximum UV Index Levels in Greater Napanee for August

The chart shows the monthly maximum UV Index (UVI) for Greater Napanee in August, 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 August, the maximum UV index in Greater Napanee typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Greater Napanee August 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 August 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 August’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 August’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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