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October Weather in Summerside, Canada

Last updated: June 18, 2025

In October, the average temperature in Summerside, Canada hovers around 10°C (50°F). Expect chilly nights with minimum temperatures dropping to -3°C (27°F), while days can warm up to a pleasant 25°C (77°F). This period sees about 78 mm (3.1 in) of precipitation spread over 10 days, and an average humidity of 85% adds a touch of dampness to the air.

October Temperature in Summerside

In October in Summerside, the average temperature is 10°C (50°F). Maximums can reach 25°C (77°F), while minimums can drop as low as -3°C (27°F). Be prepared for a range of temperatures, making it ideal for layering your clothing during your travels.

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

The chart illustrates October 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, October typically has an average temperature of 10°C (50°F), with highs reaching up to 25°C (77°F) and lows dropping to around -3°C (27°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.

October Precipitation in Summerside

In Summerside in October, the precipitation amount is 78 mm (3.1 in) over the course of 10 days.

October Precipitation Trends in Summerside

The chart displays monthly precipitation patterns in Summerside, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Summerside, October typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec86927384939663691017813293
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Summerside

In Summerside in October, humidity is 85%. With an average temperature of 10°C (50°F), this humidity feels like a heavy, damp blanket surrounding you, making travel feel sluggish and uncomfortable as you navigate through the thick, moist air.

October Average Humidity in Summerside

This chart illustrates the average monthly humidity levels in Summerside, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Summerside is approximately 85%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Summerside

In Summerside in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Summerside.

Maximum UV Index Levels in Summerside for October

The chart shows the monthly maximum UV Index (UVI) for Summerside in October, 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 October, the maximum UV index in Summerside typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357810887532
Data source: Summerside October 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 October 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 October’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 October’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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