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August Weather in Arnprior, Canada

Last updated: June 18, 2025

In Arnprior, Canada, the average temperature in August hovers around 20°C (68°F), making it a pleasant time to visit. However, be prepared for a minimum temperature that can drop to 6°C (44°F) and a maximum that can soar up to 32°C (91°F). You can expect approximately 101 mm (4.0 in) of precipitation over about 13 days, accompanied by an average humidity of 67%. Plan accordingly for a balanced experience of warmth and occasional showers!

August Temperature in Arnprior

In August in Arnprior, the average temperature is 20°C (68°F). The maximum can reach 32°C (91°F) and the minimum can be as low as 6°C (44°F). This variety in temperature makes it a perfect time for travelers to enjoy both warm and cooler activities.

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

The chart illustrates August temperature patterns in Arnprior, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arnprior, August typically has an average temperature of 20°C (68°F), with highs reaching up to 32°C (91°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec161827415564706760483222
Data source: Temperature data for Arnprior 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 Arnprior

In Arnprior in August, the precipitation amount is 101 mm (4.0 in) over the course of 13 days.

August Precipitation Trends in Arnprior

The chart displays monthly precipitation patterns in Arnprior, 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 Arnprior, August typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec71758011011595107101701259076
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Arnprior

In Arnprior in August humidity is 67%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making travel comfortable yet slightly sticky, as the air clings to your skin and invites you to enjoy the sights at a leisurely pace.

August Average Humidity in Arnprior

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

In Arnprior 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 Arnprior.

Maximum UV Index Levels in Arnprior for August

The chart shows the monthly maximum UV Index (UVI) for Arnprior 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 Arnprior typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Arnprior 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 Arnprior Compares to Other Months

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

This table compares monthly weather conditions in Arnprior, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)71 mm (2.8 inches)93%low
February Weather-8°C (18°F)75 mm (3.0 inches)93%moderate
March Weather-3°C (28°F)80 mm (3.1 inches)86%moderate
April Weather5°C (42°F)110 mm (4.3 inches)82%very high
May Weather13°C (55°F)115 mm (4.5 inches)75%very high
June Weather18°C (65°F)95 mm (3.7 inches)68%very high
July Weather21°C (71°F)107 mm (4.2 inches)69%very high
August Weather20°C (68°F)101 mm (4.0 inches)67%very high
September Weather15°C (60°F)70 mm (2.8 inches)72%high
October Weather9°C (48°F)125 mm (4.9 inches)83%moderate
November Weather0°C (33°F)90 mm (3.5 inches)88%moderate
December Weather-6°C (22°F)76 mm (3.0 inches)89%low

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