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August Weather in Farnham, Canada

Last updated: June 18, 2025

In August, the average temperature in Farnham, Canada is a pleasant 21°C (69°F). Expect a wide range, with minimums dropping to 7°C (45°F) and maximums soaring up to 33°C (91°F). The month sees 116 mm (4.6 in) of precipitation spread over 14 days, and you'll likely feel the humidity at an average of 75%. Enjoy the seasonal shifts and be prepared for occasional rain!

August Temperature in Farnham

In August in Farnham, the average temperature is 21°C (69°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 7°C (45°F). This variety in temperatures makes it an ideal time for travelers to enjoy outdoor activities while being prepared for cooler evenings.

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

The chart illustrates August temperature patterns in Farnham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Farnham, August typically has an average temperature of 21°C (69°F), with highs reaching up to 33°C (91°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec182129435766716961503525
Data source: Temperature data for Farnham 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 Farnham

In Farnham in August, the total precipitation amount is 116 mm (4.6 in) spread over a duration of 14 days.

August Precipitation Trends in Farnham

The chart displays monthly precipitation patterns in Farnham, 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 Farnham, August typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec8984871171001111111167414812185
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Farnham

In Farnham in August, humidity is 75%. With an average temperature of 21°C (69°F), this humidity feels like a warm, sticky embrace that can make even a short walk feel exhausting for travelers, often leading to a longing for refreshing breezes or air-conditioned retreats.

August Average Humidity in Farnham

This chart illustrates the average monthly humidity levels in Farnham, 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 Farnham is approximately 75%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Farnham

In Farnham 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 Farnham.

Maximum UV Index Levels in Farnham for August

The chart shows the monthly maximum UV Index (UVI) for Farnham 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 Farnham typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245799887532
Data source: Farnham 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 Farnham Compares to Other Months

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

This table compares monthly weather conditions in Farnham, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)89 mm (3.5 inches)93%low
February Weather-6°C (21°F)84 mm (3.3 inches)92%moderate
March Weather-2°C (29°F)86 mm (3.4 inches)86%moderate
April Weather6°C (43°F)117 mm (4.6 inches)85%high
May Weather14°C (57°F)100 mm (3.9 inches)80%very high
June Weather19°C (66°F)111 mm (4.4 inches)74%very high
July Weather22°C (71°F)111 mm (4.4 inches)76%very high
August Weather21°C (69°F)116 mm (4.6 inches)75%very high
September Weather16°C (61°F)74 mm (2.9 inches)78%high
October Weather10°C (50°F)148 mm (5.8 inches)86%moderate
November Weather1°C (35°F)121 mm (4.8 inches)88%moderate
December Weather-4°C (25°F)85 mm (3.3 inches)89%low

Compare Farnham's Climate with Cities Worldwide