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August Weather in Summerside, Canada

Last updated: June 18, 2025

In Summerside, Canada, the average temperature in August hovers around 20°C (69°F). Temperatures can vary significantly, with a minimum of 8°C (47°F) and a maximum reaching up to 32°C (91°F). Expect about 69 mm (2.7 in) of precipitation over 10 days, coupled with a high average humidity of 87%.

August Temperature in Summerside

In August in Summerside, the average temperature is 20°C (69°F), with maximums reaching up to 32°C (91°F) and minimums dropping as low as 8°C (47°F). This range makes it an ideal time for travelers seeking pleasant weather and a variety of outdoor activities.

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

The chart illustrates August temperature patterns in Summerside, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Summerside, August typically has an average temperature of 20°C (69°F), with highs reaching up to 32°C (91°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec222127384860676860503828
Data source: Temperature data for Summerside 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 Summerside

In Summerside in August, the precipitation amount is 69 mm (2.7 in) spread over a period of 10 days.

August Precipitation Trends in Summerside

The chart displays monthly precipitation patterns in Summerside, 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 Summerside, August typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec86927384939663691017813293
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Summerside

In Summerside in August humidity is 87%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making outdoor activities such as sightseeing and hiking quite challenging, as the thick air can leave you feeling sticky and tired quickly.

August Average Humidity in Summerside

This chart illustrates the average monthly humidity levels in Summerside, 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 Summerside is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%86%86%85%82%86%87%85%85%85%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Summerside

In Summerside 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 Summerside.

Maximum UV Index Levels in Summerside for August

The chart shows the monthly maximum UV Index (UVI) for Summerside 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 Summerside typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357810887532
Data source: Summerside 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 Summerside Compares to Other Months

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

This table compares monthly weather conditions in Summerside, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)86 mm (3.4 inches)84%low
February Weather-6°C (22°F)92 mm (3.6 inches)84%moderate
March Weather-3°C (28°F)73 mm (2.9 inches)86%moderate
April Weather4°C (39°F)84 mm (3.3 inches)86%high
May Weather9°C (48°F)93 mm (3.6 inches)85%very high
June Weather16°C (60°F)96 mm (3.8 inches)82%very high
July Weather20°C (68°F)63 mm (2.5 inches)86%very high
August Weather20°C (69°F)69 mm (2.7 inches)87%very high
September Weather16°C (60°F)101 mm (4.0 inches)85%high
October Weather10°C (50°F)78 mm (3.1 inches)85%moderate
November Weather3°C (38°F)132 mm (5.2 inches)85%moderate
December Weather-2°C (28°F)93 mm (3.7 inches)84%low

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