May Weather in Canada, Spain

Last updated: February 6, 2025

In May, Canada and Spain experience a captivating mix of weather patterns, showcasing a range of climatic conditions. Temperature peaks at a maximum of 32°C (90°F), while the average settles comfortably at 18°C (65°F), dipping to a cool minimum of 5°C (41°F) during the month. Rainfall adds a refreshing touch, with a total precipitation of 35 mm (1.4 in) over 6 days, ensuring landscapes remain lush and vibrant. With a relative humidity of 53%, the month offers a pleasant atmosphere, making May an ideal time to explore the distinct beauty of these two remarkable countries.

May Temperature in Canada

In Canada, May heralds a transition to warmer days, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 32°C (90°F). The average temperature rises to 18°C (65°F), reflecting a significant warmth compared to earlier months. As the last vestiges of winter fade away, the country starts to blossom into a vibrant landscape of greenery. Meanwhile, in Spain, May is characterized by delightful warmth, with a minimum temperature around 10°C (50°F) and maximums reaching up to 30°C (86°F). The average hovers around 20°C (68°F), making it a fantastic time for locals and tourists alike to revel in the outdoor charm. Both countries showcase a remarkable increase in temperatures from the preceding months, making May a pivotal month of climatic change, where the embrace of spring becomes increasingly palpable.

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

The chart illustrates May temperature patterns in Canada, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec455052556472797971625349
Data source: Temperature data for Canada generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Canada

In May, Canada experiences a notable dip in precipitation with an average of 35 mm (1.4 in) spread over 6 days. This reduction follows a wetter April, which recorded 76 mm (3.0 in) over 10 days. The trend suggests a shift towards drier conditions as spring progresses, particularly when compared to the heavier rainfall seen in March and earlier months. This pattern is indicative of the seasonal transitions in Canada, where May often serves as a turning point, leading into the sunnier summer months ahead. The variability in rainfall sets the stage for a vibrant flora as nature prepares for the warm season.

May Precipitation Trends in Canada

The chart displays monthly precipitation patterns in Canada, 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.
JanFebMarAprMayJunJulAugSepOctNovDec57196376354683291485524
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Canada

As spring gives way to summer, May brings a noticeable dip in humidity levels across Canada, settling at 53%. This marks a significant decrease from the preceding months, where humidity levels were considerably higher—78% in January and 75% in February. The trend shows a steady decline, with April averaging 58%, hinting at the gradual transition to drier summer months. Interestingly, June follows suit with 49% humidity, continuing the downward trajectory. This pattern indicates a shift towards a more comfortable climate as the year progresses, allowing Canadians to enjoy the warming weather without the heaviness of moist air typical of the early months.

May Average Humidity in Canada

This chart illustrates the average monthly humidity levels in Canada, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec78%75%64%58%53%49%51%51%58%71%76%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Canada

As we move into May, the UV Index in Canada reaches a striking 10, categorizing it as very high and reducing the burn time to just 15 minutes. This trend signifies a considerable leap from earlier months, with January seeing a moderate UV Index of 3 and a burn time of 30 minutes. The sunshine intensity escalates significantly through April's 9, but May marks the onset of peak exposure, continuing into June's extreme level of 12. With this dramatic increase, it's crucial for Canadians to be vigilant and take protective measures against UV radiation. For more detailed information on UV levels throughout the year, check out Canada UV Index.

Maximum UV Index Levels in Canada for May

The chart shows the monthly maximum UV Index (UVI) for Canada 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.
JanFebMarAprMayJunJulAugSepOctNovDec3569101211109743
Data source: Canada 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.

May Sunshine in Canada

As spring blossoms into summer, May emerges as a standout month for sunshine in Canada and Spain, boasting an impressive 404 hours of radiant sunlight. This marks a noticeable increase from April's 333 hours, highlighting a consistent upward trend as we transition into warmer months. The sun continues to shine brightly through June and July, peaking at 419 hours in July, before slowly tapering off in August with 387 hours. This surge in daylight not only brings warmth to the landscape but also rejuvenates the spirit, encouraging outdoor activities and vibrant community gatherings, making May a particularly delightful time to bask in the sun.

Monthly Sunshine Duration in Canada: May Highlighted

The May sunshine duration represents the total number of hours Canada experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec214h272h323h333h404h407h419h387h333h316h268h268h
Data source: Canada May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Canada During May

As the calendar turns to May, Canada's chances of sunny weather hover around 46%, which reflects a transitional period in the climate. Although this percentage is slightly lower than earlier months like January and March, it still shows a resilience against the winter's end, especially when compared to April's 28%. Interestingly, the likelihood of sunny days begins to rise as the summer months approach, with June boasting a 59% chance and peaking in July at an impressive 83%. Meanwhile, in Spain, the sun shines more frequently, with early summer months like July and August showing favorable conditions. Together, these patterns underscore a clear upward trend in sunshine as the season progresses, promising brighter days ahead for both regions.

Percentage of Sunny Days in May in Canada

The chart illustrates the percentage of sunny days in Canada throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Canada experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec55%39%49%28%46%59%83%60%43%34%57%49%
Data source: Canada May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Canada in May

As spring unfolds, Canada and Spain experience a significant shift in daylight duration, culminating in the delightful month of May. From the chilly confines of January, where sunlight graces the sky for just 9 hours, the days progressively lengthen, bringing 10 hours in February and 11 hours in March. By April, the increase becomes more pronounced, with 13 hours of daylight awakening the landscapes. May, with its 14 hours, heralds the height of this trend, as both countries revel in extended evenings and brighter days. This abundance of sunlight continues into June and July, where daylight remains consistent at 14 hours, before gradually tapering off in the subsequent months. The annual rhythm of daylight not only marks the transition into warmer seasons but also enhances the vibrant social and outdoor activities that characterize late spring and summer.

Average Daylight Hours in Canada for May

The chart illustrates the variation in daylight duration in Canada throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 47m10h 44m11h 58m13h 13m14h 17m14h 48m14h 31m13h 35m12h 23m11h 8m10h 3m9h 29m
Data source: Canada daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Canada

In May, Canada and Spain experience a slight resurgence in wind speed, averaging 2.7 m/s (6 mph). This marks an interesting trend, as it slightly increases from the April low of 2.2 m/s (5 mph), suggesting a shift toward breezier conditions as spring unfolds. Notably, this month maintains the momentum seen earlier in the year, where higher wind speeds were recorded in the initial months, particularly in January at 3.7 m/s (8 mph). However, as the seasons transition into summer, wind speeds typically see a gradual decline, often settling around the 2.2 m/s (5 mph) mark through the warmer months. This consistent ebb and flow illustrates the seasonal dynamics at play as May stands out as a bridge between the brisk winds of winter and the more tranquil air of summer.

Average May Wind Speed in Canada

The chart displays monthly wind speed patterns in Canada, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.22.72.22.7 m/s2.12.22.22.22.02.83.3
Data source: Canada May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Canada Compares to Other Months

The weather in Canada changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Canada and find detailed weather information for every month.

May and January present contrasting weather experiences. In May, temperatures range from a minimum of 5°C (41°F) to a pleasant average of 18°C (65°F), peaking at 32°C (90°F), with relatively low precipitation of 35 mm (1.4 in) spread over six days and humidity at 53%. On the other hand, January brings a chillier climate, with temperatures dropping to a minimum of -5°C (23°F) and averaging only 7°C (46°F), but can rise to a maximum of 24°C (75°F). This month also sees higher precipitation at 57 mm (2.2 in) over just three days and significantly higher humidity at 78%. For a more in-depth look at January weather, you can check out Canada weather in January.

May and February present starkly different weather patterns. In May, temperatures range from a cooler minimum of 5°C (41°F) to a warm maximum of 32°C (90°F), with an average around 18°C (65°F), and the month experiences about 35 mm (1.4 in) of precipitation over roughly 6 days. In contrast, February tends to be much chillier, with temperatures dipping as low as -3°C (27°F) and peaking at 25°C (77°F), averaging around 10°C (50°F). This month has less precipitation at 19 mm (0.7 in) over about 3 days but presents higher humidity at 75%. For more about February weather, you can check Canada weather in February.

In comparing the weather of May and March, it's evident that May is generally warmer, with average temperatures reaching 18°C (65°F) compared to March's average of 11°C (53°F). May experiences a minimum temperature of 5°C (41°F) and can peak at 32°C (90°F), while March starts at a chilly -1°C (31°F) and has a maximum of 27°C (82°F). Precipitation levels also differ, with May seeing 35 mm (1.4 in) of rain over 6 days, whereas March receives higher rainfall at 63 mm (2.5 in) across 7 days. Furthermore, March has a higher humidity level of 64% compared to May's 53%. For more details on March weather, you can visit Canada weather in March.

In comparing the weather between April and May, one can observe significant differences. May tends to be warmer, with minimum temperatures starting at 5°C (41°F) and averaging around 18°C (65°F), peaking at 32°C (90°F). In contrast, April's temperatures are cooler, with a minimum of 0°C (32°F) and an average of 13°C (56°F), reaching a maximum of 27°C (82°F).

Moreover, May experiences less precipitation, totaling 35 mm (1.4 in) over 6 days, while April sees considerably more rainfall at 76 mm (3.0 in) across 10 days. Humidity levels are also slightly lower in May, averaging at 53%, compared to April's 58%. For more information, you can refer to Canada weather in April.

May and June showcase a noticeable transition in weather patterns. In May, temperatures range from a cooler minimum of 5°C (41°F) to a warm maximum of 32°C (90°F), with an average of 18°C (65°F). The month experiences around 35 mm (1.4 in) of precipitation over approximately 6 days, contributing to a moderate humidity level of 53%. In contrast, June brings warmer temperatures, starting at a minimum of 10°C (50°F) and peaking at a maximum of 37°C (99°F), averaging 22°C (73°F). While June sees slightly higher precipitation at 46 mm (1.8 in) over just 4 days, it maintains a slightly lower humidity of 49%. For more detailed insights on June weather, check out Canada weather in June.

May and July present quite different weather patterns. In May, temperatures range from a cool minimum of 5°C (41°F) to a warm maximum of 32°C (90°F), with an average of 18°C (65°F). This month sees about 35 mm (1.4 in) of precipitation spread over six days, accompanied by a humidity level of 53%. In contrast, July offers much warmer temperatures, with a minimum of 13°C (56°F), an average of 26°C (79°F), and a scorching maximum of 41°C (105°F). Rainfall is significantly lower in July, totaling just 8 mm (0.3 in) over two days, and humidity decreases slightly to 51%. For further details, you can explore Canada weather in July.

In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 32°C (90°F), with an average temperature of 18°C (65°F). The month experiences around 35 mm (1.4 in) of precipitation over six days, accompanied by a relative humidity of 53%. In contrast, August sees warmer temperatures with a minimum of 14°C (57°F) and a maximum of 41°C (106°F), averaging at 26°C (79°F). Precipitation decreases slightly to 32 mm (1.2 in), but humidity remains similar at 51%. For more insights on August weather, you can visit Canada weather in August.

In May, the weather typically presents a comfortable range with temperatures peaking at 32°C (90°F) and an average of 18°C (65°F), alongside relatively low precipitation levels of 35 mm (1.4 in) over about 6 days. The humidity sits at a moderate 53%, making it a pleasant month for outdoor activities. In contrast, September experiences slightly warmer average temperatures at 21°C (71°F) and a maximum of 33°C (92°F). However, it is also characterized by higher precipitation at 90 mm (3.6 in) across 10 days and increased humidity at 58%. For more detailed weather insights, you can explore Canada weather in September.

May and October present distinct weather characteristics, reflecting the transition from spring to autumn. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 32°C (90°F), with an average of 18°C (65°F). The month sees relatively low precipitation at 35 mm (1.4 in) over about 6 days, accompanied by a moderate humidity of 53%. In contrast, October features slightly cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 30°C (86°F), averaging 17°C (63°F). Precipitation increases to 48 mm (1.9 in), but it occurs over just 5 days, and humidity rises to 71%. For more details on October weather in Canada, you can refer to Canada weather in October.

May and November present quite distinct weather patterns. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 32°C (90°F), with an average of 18°C (65°F). Precipitation is relatively low, measuring at 35 mm (1.4 in) over about 6 days, and the humidity sits at a comfortable 53%. In contrast, November brings cooler temperatures, with a minimum of 1°C (33°F) and a maximum of 26°C (79°F), and an average of 12°C (53°F). The month is also wetter, with precipitation reaching 54 mm (2.1 in) across 8 days and humidity rising to 76%. For a more detailed look at weather patterns, check out Canada weather in November.

May and December present contrasting weather conditions. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 32°C (90°F), with an average of 18°C (65°F). The month sees about 35 mm (1.4 in) of precipitation spread over 6 days, accompanied by a comfortable humidity level of 53%. In contrast, December experiences much colder temperatures, with a minimum of -4°C (25°F) and a maximum reaching 22°C (71°F), resulting in an average of 9°C (49°F). Precipitation is lower at 24 mm (1.0 in) over just 4 days, but the humidity is noticeably higher at 80%. For more detailed insights into December weather, you can check Canada weather in December.

Compare Canada's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Canada

As winter bids farewell and spring unfolds, May in Canada brings a delightful transition in its climate. With temperatures that can soar up to a refreshing 32°C (90°F), it stands out sharply from the cooler months preceding it. Average temperatures around 18°C (65°F) invite outdoor activities, while the brisk freshness of the evenings at 5°C (41°F) offers a charming touch of spring. Although precipitation occurs on about six days, totaling 35 mm (1.4 in), the overall humidity is a moderate 53%, creating a pleasant atmosphere for exploration. This vibrant shift heralds the arrival of summer and beckons enthusiasts to immerse themselves in Canada's natural beauty. For a broader understanding of climate patterns, explore Canada Climate.