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August Weather in Nepean, Canada

Last updated: June 18, 2025

In August, the average temperature in Nepean, Canada hovers around 20°C (69°F), with a minimum of 7°C (45°F) and a maximum of 33°C (91°F). Expect about 89 mm (3.5 in) of precipitation spread over 12 days, contributing to an average humidity of 67%. Enjoy the mix of warm days and refreshing showers!

August Temperature in Nepean

In August in Nepean, the average temperature is 20°C (69°F). Maximums can reach 33°C (91°F), and minimums can drop as low as 7°C (45°F). It's a great time to pack for both warm sunny days and cooler evenings while exploring the area.

August Weather in Nepean: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Nepean, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nepean, August typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (91°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec172028435665716961493424
Data source: Temperature data for Nepean 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 Nepean

In Nepean in August, the precipitation amount is 89 mm (3.5 in) during 12 days of rainfall.

August Precipitation Trends in Nepean

The chart displays monthly precipitation patterns in Nepean, 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 Nepean, August typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec7478841151119211289661319477
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Nepean

In Nepean in August, humidity is 67%. With an average temperature of 20°C (69°F), this humidity feels like a warm, gentle embrace that clings to your skin, creating a comfortable yet slightly sticky atmosphere that can be refreshing while exploring the sights, provided you stay hydrated and take breaks in the shade.

August Average Humidity in Nepean

This chart illustrates the average monthly humidity levels in Nepean, 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 Nepean 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 Nepean

In Nepean in August, 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 Nepean.

Maximum UV Index Levels in Nepean for August

The chart shows the monthly maximum UV Index (UVI) for Nepean 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 Nepean typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899987532
Data source: Nepean 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 Nepean Compares to Other Months

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

This table compares monthly weather conditions in Nepean, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)74 mm (2.9 inches)93%low
February Weather-7°C (20°F)78 mm (3.1 inches)93%moderate
March Weather-2°C (29°F)84 mm (3.3 inches)86%moderate
April Weather6°C (43°F)115 mm (4.5 inches)82%very high
May Weather13°C (57°F)111 mm (4.4 inches)75%very high
June Weather19°C (66°F)92 mm (3.6 inches)68%very high
July Weather22°C (72°F)112 mm (4.4 inches)69%very high
August Weather20°C (69°F)89 mm (3.5 inches)67%very high
September Weather16°C (61°F)66 mm (2.6 inches)72%high
October Weather10°C (49°F)131 mm (5.1 inches)83%moderate
November Weather1°C (34°F)94 mm (3.7 inches)88%moderate
December Weather-5°C (24°F)77 mm (3.0 inches)89%low

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