August Weather in Peterborough, Canada

Last updated: June 18, 2025

In Peterborough, Canada, the average temperature in August is a pleasant 21°C (69°F). However, be prepared for a temperature range where it can dip to a minimum of 8°C (46°F) and soar to a maximum of 32°C (90°F). Rain is a possibility, with 118 mm (4.6 in) expected over 13 days, contributing to an average humidity of 67%.

August Temperature in Peterborough

In August in Peterborough, the average temperature is 21°C (69°F), with maximums reaching 32°C (90°F) and minimums dropping as low as 8°C (46°F). This pleasant climate makes it an ideal time for outdoor activities and exploring the local sights.

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

The chart illustrates August temperature patterns in Peterborough, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Peterborough, August typically has an average temperature of 21°C (69°F), with highs reaching up to 32°C (90°F) and lows dropping to around 8°C (46°F).

Data source: Temperature data for Peterborough generated using information from the Copernicus Climate Change Service.

August Precipitation in Peterborough

In Peterborough in August, the precipitation amount is 118 mm (4.6 in) over a span of 13 days.

August Precipitation Trends in Peterborough

The chart displays monthly precipitation patterns in Peterborough, 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 Peterborough, August typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Peterborough

In Peterborough in August, humidity is 67%. With an average temperature of 21°C (69°F), this humidity feels like a warm, enveloping embrace, making travel enjoyable yet slightly sticky. It encourages you to seek shade and sip cool drinks while exploring, adding a tropical flair to your adventures.

August Average Humidity in Peterborough

This chart illustrates the average monthly humidity levels in Peterborough, 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 Peterborough is approximately 67%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Peterborough

In Peterborough 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 Peterborough.

Maximum UV Index Levels in Peterborough for August

The chart shows the monthly maximum UV Index (UVI) for Peterborough 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 Peterborough typically reaches 9, which falls under the very high exposure category.

Data source: Peterborough 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 Peterborough Compares to Other Months

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

This table compares monthly weather conditions in Peterborough, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	67 mm (2.7 inches)	93%	low
February Weather	-5°C (23°F)	72 mm (2.8 inches)	94%	moderate
March Weather	-1°C (31°F)	65 mm (2.6 inches)	87%	moderate
April Weather	6°C (42°F)	116 mm (4.6 inches)	82%	very high
May Weather	13°C (56°F)	105 mm (4.1 inches)	74%	very high
June Weather	19°C (66°F)	99 mm (3.9 inches)	68%	very high
July Weather	22°C (72°F)	93 mm (3.7 inches)	67%	very high
August Weather	21°C (69°F)	118 mm (4.6 inches)	67%	very high
September Weather	17°C (62°F)	82 mm (3.2 inches)	74%	high
October Weather	10°C (50°F)	110 mm (4.4 inches)	83%	moderate
November Weather	2°C (36°F)	85 mm (3.3 inches)	89%	moderate
December Weather	-3°C (27°F)	74 mm (2.9 inches)	91%	low