May Weather in Whitehorse, Canada

Last updated: April 22, 2025

May in Whitehorse, Canada, ushers in a diverse weather experience marked by fluctuating temperatures and occasional precipitation. Daily highs can reach a pleasant 24°C (75°F), while the average temperature rests around 7°C (45°F), dipping to a low of -5°C (24°F) at night. The month sees about 33 mm (1.3 in) of rainfall spread across 9 days, contributing to a humidity level that often hovers around 90%. As nature awakens, residents and visitors alike can enjoy the beauty of spring while being prepared for its dynamic weather patterns.

May Temperature in Whitehorse

In May, Whitehorse, Canada, experiences a remarkable transformation as winter gives way to the warmth of spring. Temperatures begin to rise significantly, with a minimum of -5°C (24°F) and an average of 7°C (45°F), climbing to a delightful maximum of 24°C (75°F). This month marks a significant shift from the icy grip of the earlier months, where January's bone-chilling lows reached -46°C (-50°F). As the days grow longer and the sun rises higher in the sky, residents and visitors alike can enjoy the burgeoning outdoor activities that are made possible by these milder conditions. Overall, May stands out as a transitional month, breathing life into the landscape and inviting exploration in this breathtaking part of Canada.

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

The chart illustrates May temperature patterns in Whitehorse, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec331731455357544532149
Data source: Temperature data for Whitehorse 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 Whitehorse

May in Whitehorse marks a noticeable shift in precipitation patterns, as the region awakens to spring's full embrace. With 33 mm (1.3 in) of precipitation over 9 days, May showcases an increase from the preceding months, signaling the transition from the drier early spring to the lushness of early summer. The uptick in rainfall serves not only as a harbinger of the warmer months ahead but also contributes to the vibrant blooming of local flora. As the month progresses, the frequency of rainfall hints at the wetter conditions that will define the summer, with June and July typically bringing even heavier precipitation. This gradual rise in moisture is essential for recharging the natural landscapes, creating a refreshing backdrop for both residents and visitors.

May Precipitation Trends in Whitehorse

The chart displays monthly precipitation patterns in Whitehorse, 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.
JanFebMarAprMayJunJulAugSepOctNovDec282728203360687340514047
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Whitehorse

In Whitehorse, Canada, May marks a notable shift in humidity levels, as the readings dip to 90%—a significant drop from the persistently high figures seen earlier in the year. January and February are characterized by nearly unrelenting humidity, hovering around 97% and 95% respectively, creating a blanket of moisture throughout the winter months. As spring unfolds, April's 93% hints at the gradual transition, which continues into May. This slight decrease in humidity heralds the arrival of summer, though levels remain consistently high, maintaining a balance that won't fully retreat until June when it hits 88%. Following this, humidity spikes again in August. This cyclical pattern reflects the unique climate of Whitehorse, where moisture is a constant companion all year round.

May Average Humidity in Whitehorse

This chart illustrates the average monthly humidity levels in Whitehorse, 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.
JanFebMarAprMayJunJulAugSepOctNovDec97%96%95%93%90%88%90%98%95%96%99%98%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Whitehorse

In May, Whitehorse experiences a notable shift in its UV Index, reaching a high level of 6. This marks a significant increase from the previous months, as April's moderate index of 4 signaled the beginning of stronger sun exposure. As the days grow longer and sunnier, residents and visitors should be aware of the increased risk of sunburn, with a burn time reduced to just 25 minutes. This upward trend in UV radiation continues into June and July, emphasizing the need for effective sun protection during these peak months. To learn more about UV levels throughout the year, you can explore the detailed data at Whitehorse UV Index.

Maximum UV Index Levels in Whitehorse for May

The chart shows the monthly maximum UV Index (UVI) for Whitehorse 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.
JanFebMarAprMayJunJulAugSepOctNovDec123466764211
Data source: Whitehorse 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 Whitehorse

May brings a radiant burst of sunshine to Whitehorse, Canada, with an impressive 353 hours of sunlight, marking a significant leap from the 310 hours in April. This steady increase reflects the gradual shift into summer, as the city transitions from the long, dark winter months. Following May, June and July offer slightly less sun, with 342 and 350 hours respectively, indicating that while summer is in full swing, the daylight hours begin to stabilize. As we move into August, the sunshine starts to wane with 282 hours, foreshadowing the approaching autumn, marked by a noticeable decrease in daylight. Overall, May stands out as a glorious month of sunlight, heralding the vibrant energy of the season and a time of outdoor exploration in the Yukon.

Monthly Sunshine Duration in Whitehorse: May Highlighted

The May sunshine duration represents the total number of hours Whitehorse 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.
JanFebMarAprMayJunJulAugSepOctNovDec55h138h236h310h353h342h350h282h228h129h75h56h
Data source: Whitehorse May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Whitehorse During May

In Whitehorse, Canada, the likelihood of sunny weather experiences notable fluctuations throughout the year. As spring transitions into summer, the chances of sunshine peak in June and July, reaching 36% and 45%, respectively. However, May stands out with a surprisingly low 16% probability of sunny days, creating a contrast as the region sheds the chill of winter. This dip marks a shift from the more promising 47% chance in April, highlighting the unpredictable nature of late spring in Whitehorse. As we move into the summer months, residents and visitors alike can expect a much sunnier outlook, making May an intriguing time for those hoping for clear skies.

Percentage of Sunny Days in May in Whitehorse

The chart illustrates the percentage of sunny days in Whitehorse 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 Whitehorse experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%41%24%47%16%36%45%26%22%25%21%19%
Data source: Whitehorse May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Whitehorse in May

In Whitehorse, Canada, the progression of daylight duration throughout the year paints a vivid picture of the changing seasons. Beginning in January with a mere 6 hours of daylight, residents experience a gradual increase as winter gives way to spring. By February, daylight extends to 9 hours, and by March, it reaches 11 hours—signifying the slow but steady approach of brighter days. As April arrives, the days lengthen significantly to 14 hours, paving the way for May, when daylight peaks at an impressive 17 hours. This trend continues into June and July, where the community basks in a maximum of 18 hours of sunlight. However, as summer fades into autumn, daylight begins to wane, dropping to 15 hours in August and continuing downwards to 12 hours by September. The cycle repeats, leading to shorter days in October with 9 hours, until winter settles in once again with a mere 5 hours of daylight by December. This dance of light illustrates the stark yet beautiful contrast of life in Whitehorse, where the rhythms of nature play a crucial role in daily life.

Average Daylight Hours in Whitehorse for May

The chart illustrates the variation in daylight duration in Whitehorse throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 38m9h 5m11h 53m14h 44m17h 25m18h 58m18h 4m15h 34m12h 46m9h 57m7h 18m5h 45m
Data source: Whitehorse daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Whitehorse

In May, Whitehorse experiences a delightful consistency in its breezy charm, with an average wind speed of 2.3 m/s (5 mph)—a figure that mirrors the prior month of April. This gentle airflow sets the stage for enjoyable outdoor activities as the town begins to shake off the chill of winter. Interestingly, wind speeds remain stable from May through June, reflecting a seasonal transition that brings warmth without overwhelming gusts. The trend reveals a slight decrease into the summer months, yet the winds consistently hover around the 5 mph mark, lending a refreshing touch to the region’s vibrant spring landscape. With favorable winds, May stands out as a perfect time to embrace the revitalizing spirit of Whitehorse.

Average May Wind Speed in Whitehorse

The chart displays monthly wind speed patterns in Whitehorse, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.01.72.12.32.3 m/s2.12.12.22.12.31.71.9
Data source: Whitehorse May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Whitehorse Compares to Other Months

The weather in Whitehorse 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 Whitehorse and find detailed weather information for every month.

The weather in May contrasts sharply with that of January, showcasing the stark differences between the two months. In May, temperatures range from a chilly -5°C (24°F) at night to a pleasant maximum of 24°C (75°F) during the day, with an average of 7°C (45°F). In contrast, January presents much harsher conditions, with temperatures plummeting to a minimum of -46°C (-50°F) and an average of -16°C (3°F), peaking at just 3°C (38°F). Although May experiences slightly more precipitation (33 mm) spread over 9 days, January maintains a comparable level at 28 mm over only 7 days. The humidity is notably high in both months, reaching 90% in May and 97% in January, creating unique climates for each. For more detailed information, visit Whitehorse weather in January.

May and February present starkly contrasting weather conditions. In May, temperatures range from a minimum of -5°C (24°F) to a pleasant maximum of 24°C (75°F), with an average of 7°C (45°F). The month sees around 33 mm (1.3 in) of precipitation across approximately 9 days and a humidity level of 90%. Conversely, February is much colder, with temperatures dipping as low as -41°C (-41°F) and averaging -16°C (3°F). While it experiences slightly lower precipitation at 27 mm (1.1 in) over just 6 days, the humidity is slightly higher at 95%. For a closer look at the conditions in February, check out Whitehorse weather in February.

May and March present stark contrasts in weather conditions. In May, temperatures range from a chilly minimum of -5°C (24°F) to a pleasant maximum of 24°C (75°F), with an average of 7°C (45°F), allowing for more comfortable outdoor activities. The month sees about 33 mm (1.3 in) of precipitation over 9 days and maintains a humidity level of 90%. In contrast, March experiences significantly harsher conditions, with temperatures dipping as low as -33°C (-27°F) and peaking at only 12°C (55°F), averaging around -8°C (17°F). Precipitation is slightly less at 28 mm (1.1 in) over 8 days, while humidity levels remain high at 95%. For more detailed information, you can check Whitehorse weather in March.

The weather in May shows a noticeable improvement compared to April, with temperatures rising significantly from a chilly average of -1°C (31°F) in April to a more mild average of 7°C (45°F) in May. While April experienced minimum temperatures plunging to -26°C (-15°F), May’s lowest recorded temperature is a much milder -5°C (24°F). Although May sees a higher average maximum temperature of 24°C (75°F), it also comes with increased precipitation, totaling 33 mm (1.3 in) over 9 days, compared to April’s 20 mm (0.8 in) over 6 days. Humidity levels barely fluctuate between the two months, standing at 90% in May and slightly higher at 93% in April, contributing to the overall dampness. For a more detailed comparison, you can check Whitehorse weather in April.

In comparing the weather between May and June, we see a notable increase in both temperature and precipitation. May experiences a wider temperature range with lows dipping to -5°C (24°F) and highs reaching up to 24°C (75°F), averaging around 7°C (45°F). It also has lower precipitation at 33 mm (1.3 in) over approximately 9 days, with high humidity levels at 90%. In contrast, June presents milder lows of -1°C (31°F) and warmer highs peaking at 29°C (84°F), with an average temperature of 12°C (53°F). However, June also sees an increase in precipitation, totaling 60 mm (2.4 in) over 13 days, while the humidity remains relatively consistent at 88%. For a more detailed look at the June weather, you can visit Whitehorse weather in June.

In May, temperatures in Whitehorse range from a chilly minimum of -5°C (24°F) to a comfortable maximum of 24°C (75°F), averaging around 7°C (45°F). The month sees approximately 33 mm (1.3 in) of precipitation spread over 9 days, with humidity remaining high at 90%. In contrast, July experiences warmer conditions, with a minimum of 4°C (39°F), an average of 14°C (58°F), and a maximum reaching 29°C (84°F). Precipitation also increases to 68 mm (2.7 in) over 13 days while maintaining the same humidity level of 90%. For a detailed overview, you can check the Whitehorse weather in July.

May and August present distinct weather patterns, with notable differences in temperature and precipitation. In May, temperatures range from a chilly minimum of -5°C (24°F) to a pleasant maximum of 24°C (75°F), with an average of 7°C (45°F). The month sees around 33 mm (1.3 in) of precipitation over approximately 9 days and features a relatively high humidity level of 90%. In contrast, August exhibits warmer temperatures, with a minimum of 1°C (34°F), an average of 12°C (54°F), and a peak of 28°C (84°F). It also experiences higher rainfall, totaling 73 mm (2.9 in) and occurring over about 13 days, along with even greater humidity at 98%. For more details on the specifics of August weather, you can visit Whitehorse weather in August.

May and September in Whitehorse exhibit distinct weather patterns, reflecting the transition between spring and autumn. In May, temperatures range from a chilly -5°C (24°F) to a pleasant maximum of 24°C (75°F), with an average of 7°C (45°F). The month receives about 33 mm (1.3 in) of precipitation over nine days, coupled with high humidity levels at 90%. In contrast, September temperatures drop slightly, with a minimum of -7°C (19°F) and a maximum of 23°C (74°F), while maintaining an average of 7°C (45°F). Precipitation increases to 40 mm (1.6 in) over ten days, and humidity rises to 95%. For more information, you can check Whitehorse weather in September.

May and October present distinctly different weather patterns. In May, temperatures range from a chilly low of -5°C (24°F) to a pleasant high of 24°C (75°F), with an average of 7°C (45°F). The month sees about 33 mm (1.3 in) of precipitation over 9 days, accompanied by relatively high humidity at 90%. In contrast, October experiences colder temperatures, with a minimum of -15°C (5°F), an average of 0°C (33°F), and a maximum of 13°C (55°F). It also sees increased precipitation at 51 mm (2.0 in) across 11 days and a higher humidity level of 96%. For a more detailed look at the October weather, you can check Whitehorse weather in October.

May and November present stark contrasts in weather conditions. In May, temperatures range from a minimum of -5°C (24°F) to a maximum of 24°C (75°F), with an average of 7°C (45°F). The month sees relatively light rainfall, accumulating to 33 mm (1.3 in) over 9 rainy days and maintaining a high humidity of 90%. In contrast, November experiences a much harsher climate with temperatures plummeting to a minimum of -34°C (-28°F) and an average of -10°C (15°F), peaking at only 7°C (45°F). Precipitation is slightly higher at 39 mm (1.6 in), spread over 11 days, and humidity reaches an almost oppressive 99%. For more detailed insights about November weather, you can refer to Whitehorse weather in November.

May and December weather in Whitehorse exhibit striking contrasts. In May, temperatures range from a chilly low of -5°C (24°F) to a pleasant maximum of 24°C (75°F), while the month sees an average temperature of 7°C (45°F). Precipitation is moderate at 33 mm (1.3 in) over 9 days, with humidity sitting at 90%. In contrast, December brings frigid conditions, with temperatures plunging to a minimum of -37°C (-35°F) and an average temperature of -13°C (9°F), only reaching a maximum of 4°C (40°F). The month experiences slightly more precipitation at 47 mm (1.9 in) over 11 days and higher humidity at 97%. For further details, you can visit Whitehorse weather in December.

Compare Whitehorse's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Whitehorse

As May unfolds in Whitehorse, residents and visitors experience a refreshing transition from the lingering chill of winter. With temperatures averaging around 7°C (45°F), the city begins to warm up, bringing a newfound vibrancy to the landscape. However, unlike the hotter summer months, May retains a distinctive crispness, marked by cool mornings and cooler evenings. The higher humidity levels, coupled with occasional rainfall over about nine days, add to the month’s dynamic weather, making it a unique time to enjoy the beautiful awakening of nature. For those interested in a more in-depth understanding of the climate trends, please visit Whitehorse Climate.