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May Weather in Thessalon, Canada

Last updated: June 18, 2025

In Thessalon, Canada, the average temperature in May is a brisk 7°C (45°F), with minimums dipping as low as -2°C (28°F) and peaking at a mild 17°C (62°F). Expect around 89 mm (3.5 in) of precipitation over 9 days, and keep in mind the average humidity of 74%, which adds a touch of chill to the air.

May Temperature in Thessalon

In May in Thessalon, the average temperature is 7°C (45°F). The maximum can reach 17°C (62°F), while the minimum can drop as low as -2°C (28°F). Be sure to pack layers to stay comfortable while exploring the varied weather conditions during your travels.

May Weather in Thessalon: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Thessalon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thessalon, May typically has an average temperature of 7°C (45°F), with highs reaching up to 17°C (62°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec202128354557666660493627
Data source: Temperature data for Thessalon 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.

May Precipitation in Thessalon

In Thessalon in May, the precipitation amount is 89 mm (3.5 in) during a span of 9 days.

May Precipitation Trends in Thessalon

The chart displays monthly precipitation patterns in Thessalon, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Thessalon, May typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec5169689289110921111241488684
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Thessalon

In Thessalon in May, humidity is 74%. With an average temperature of 7°C (45°F), this humidity feels like a chilly blanket that clings to your skin, making outdoor activities feel more intense and requiring extra layers to stay comfortable while exploring.

May Average Humidity in Thessalon

This chart illustrates the average monthly humidity levels in Thessalon, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Thessalon is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%94%89%87%74%72%69%72%77%85%88%93%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Thessalon

In Thessalon in May, 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 Thessalon.

Maximum UV Index Levels in Thessalon for May

The chart shows the monthly maximum UV Index (UVI) for Thessalon in May, 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 May, the maximum UV index in Thessalon typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799987532
Data source: Thessalon May 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 May Weather in Thessalon Compares to Other Months

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

This table compares monthly weather conditions in Thessalon, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)51 mm (2.0 inches)95%low
February Weather-6°C (21°F)69 mm (2.7 inches)94%moderate
March Weather-2°C (28°F)68 mm (2.7 inches)89%moderate
April Weather2°C (35°F)92 mm (3.6 inches)87%high
May Weather7°C (45°F)89 mm (3.5 inches)74%very high
June Weather14°C (57°F)110 mm (4.3 inches)72%very high
July Weather19°C (67°F)92 mm (3.6 inches)69%very high
August Weather19°C (66°F)111 mm (4.4 inches)72%very high
September Weather15°C (60°F)124 mm (4.9 inches)77%high
October Weather9°C (49°F)148 mm (5.8 inches)85%moderate
November Weather2°C (36°F)86 mm (3.4 inches)88%moderate
December Weather-3°C (27°F)84 mm (3.3 inches)92%low

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