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January Weather in Summerside, Canada

Last updated: June 18, 2025

In January, the average temperature in Summerside, Canada hovers around -6°C (22°F), with a notable minimum of -21°C (-5°F) and a potential maximum of 14°C (58°F). Expect precipitation of approximately 86 mm (3.4 in) spread over 10 days, contributing to an average humidity level of 84%. Stay prepared for a chilly and damp month!

January Temperature in Summerside

In January in Summerside, the average temperature is -6°C (22°F). Maximum temperatures can reach up to 14°C (58°F), while minimums can drop as low as -21°C (-5°F). Travelers should be prepared for cold conditions and pack accordingly to fully enjoy their visit.

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

The chart illustrates January 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, January typically has an average temperature of -6°C (22°F), with highs reaching up to 14°C (58°F) and lows dropping to around -21°C (-5°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.

January Precipitation in Summerside

In Summerside in January, the precipitation amount is 86 mm (3.4 in) over the course of 10 days.

January Precipitation Trends in Summerside

The chart displays monthly precipitation patterns in Summerside, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Summerside, January typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec86927384939663691017813293
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Summerside

In Summerside in January humidity is 84%. With an average temperature of -6°C (22°F), this humidity feels like an unpleasant chill that seeps into your bones, making travel feel much more uncomfortable and harsh than the temperature alone suggests.

January Average Humidity in Summerside

This chart illustrates the average monthly humidity levels in Summerside, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Summerside is approximately 84%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Summerside

In Summerside in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Summerside, you can visit Hourly UV Index in Summerside.

Maximum UV Index Levels in Summerside for January

The chart shows the monthly maximum UV Index (UVI) for Summerside in January, 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 January, the maximum UV index in Summerside typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357810887532
Data source: Summerside January 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 January 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 January’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 January’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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