May Weather in Chemainus, Canada

Last updated: April 22, 2025

May in Chemainus, Canada offers a delightful blend of warmth and refreshing breezes, with temperatures reaching a maximum of 28°C (82°F) and an average of 14°C (57°F). As spring unfolds, residents experience a minimum temperature dipping to 3°C (37°F), inviting cozy layers for cooler evenings. Though May sees 10 days of precipitation totaling 58 mm (2.3 in), the high humidity of 81% adds a lush vibrancy to the landscapes. This month is truly a beautiful time to explore the charming coastal town, where the balance between sun and rain nurtures its stunning natural beauty.

May Temperature in Chemainus

In May, Chemainus welcomes the warmer embrace of spring, with temperatures reflecting a significant shift from the cold winter months. The month kicks off with a minimum of 3°C (37°F), gradually rising towards an average of 14°C (57°F) and peaking at a delightful 28°C (82°F). This upward trend not only signifies the end of chilly days but also invites outdoor activities and blooming landscapes. Compared to April's mild conditions, May brings a noticeable increase in warmth, highlighting a transition into summer that's perfect for enjoying the vibrant community and stunning natural scenery of this charming Canadian town.

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

The chart illustrates May temperature patterns in Chemainus, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec403844495763676860504540
Data source: Temperature data for Chemainus 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 Chemainus

In May, Chemainus experiences a noticeable shift in precipitation, with rainfall amounting to 58 mm (2.3 in) over the course of 10 days. This decline in both total precipitation and the number of rainy days marks a transition into drier conditions compared to the preceding months—especially when juxtaposed with January, which sees 196 mm of rain over 15 days. The moderate precipitation in May is a welcome respite after the heavier, wetter months of winter and early spring, hinting at the arrival of summer. As the region prepares for the brighter months ahead, the lighter rainfall can lead to more outdoor activities and blooming landscapes, making May a refreshing time in Chemainus.

May Precipitation Trends in Chemainus

The chart displays monthly precipitation patterns in Chemainus, 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.
JanFebMarAprMayJunJulAugSepOctNovDec19611710710458572525111135224199
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Chemainus

In Chemainus, Canada, the humidiity begins to wane as spring transitions into summer, with May recording a more moderate 81%. This marks a notable decline from the consistently high levels of 86% humidity observed in the preceding months of January through April. Following May, humidity levels rise again slightly in June before peaking in the drier summer months of July and August, where they fluctuate between 77% and 84%. The trend suggests that while Chemainus experiences relatively high humidity throughout the year, May offers a brief respite before the summer heat takes over, making it a refreshing month of transition.

May Average Humidity in Chemainus

This chart illustrates the average monthly humidity levels in Chemainus, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%86%86%81%83%84%77%76%88%87%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Chemainus

As we transition into May in Chemainus, Canada, the UV Index climbs to 7, placing it in the high exposure category with a burn time of just 25 minutes. This marks an important shift from the more moderate levels of January through April, where the UV Index ranged from 2 to 6. Interestingly, the upward trend continues into June, where the UV Index reaches 8, signaling a period of heightened sun exposure. It's essential for residents and visitors alike to stay vigilant about sun protection during this time, as prolonged exposure can lead to skin damage in just a matter of minutes. To stay informed on daily UV levels, check out the Chemainus UV Index for ongoing updates.

Maximum UV Index Levels in Chemainus for May

The chart shows the monthly maximum UV Index (UVI) for Chemainus 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.
JanFebMarAprMayJunJulAugSepOctNovDec234678886421
Data source: Chemainus 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 Chemainus

May in Chemainus, Canada, heralds a vibrant shift towards longer, sunnier days, with an impressive 328 hours of sunlight. This surge is part of a delightful trend as spring transitions into summer, with sunlight hours steadily increasing from a modest 79 hours in January to 233 hours in April. As the days stretch longer, June follows suit with its peak of 337 hours, highlighting the region's enchanting allure for outdoor enthusiasts. Even as summer faces a gradual decline, the 247 hours of sunlight in September keeps the warmth lingering just a little longer, making Chemainus a perfect destination for those seeking the beauty of extended daylight.

Monthly Sunshine Duration in Chemainus: May Highlighted

The May sunshine duration represents the total number of hours Chemainus 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.
JanFebMarAprMayJunJulAugSepOctNovDec79h140h201h233h328h337h383h344h247h178h118h93h
Data source: Chemainus May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chemainus During May

As spring unfolds in Chemainus, Canada, the likelihood of sunny weather begins to shift noticeably. May sees a 39% chance of sun, a significant uptick from the 55% in April, reflecting nature's transition and the increasing daylight. Though it may not rival the peak sunny months of July, with a robust 68% chance, May still offers a promising start to the warm season. While the sunniest days of summer are just around the corner, the month signals a positive trend, encouraging outdoor activities and blooming landscapes as residents and visitors alike embrace the gradual warmth.

Percentage of Sunny Days in May in Chemainus

The chart illustrates the percentage of sunny days in Chemainus 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 Chemainus experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%27%30%55%39%52%68%54%31%24%19%23%
Data source: Chemainus May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chemainus in May

As spring transitions into summer, Chemainus, Canada, experiences a remarkable increase in daylight hours, reaching a vibrant 15 hours by May. This month stands as a clear turning point, as the daylight gradually lengthens from 8 hours in January to a delightful 13 hours in April, showcasing a liberation from winter’s shorter days. By June, the sun extends its embrace even further to 16 hours, highlighting the thrilling peak of summer. The gradual shift not only enriches the landscape but also infuses the community with a sense of vitality, encouraging outdoor activities and social gatherings. As the year progresses, daylight begins to wane again by August, a gentle reminder of the seasonal cycle.

Average Daylight Hours in Chemainus for May

The chart illustrates the variation in daylight duration in Chemainus throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 45m10h 11m11h 56m13h 45m15h 18m16h 6m15h 39m14h 15m12h 31m10h 43m9h 7m8h 17m
Data source: Chemainus daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Chemainus

In May, the tranquil winds in Chemainus, Canada, blow gently at an average speed of 1.8 m/s (4 mph), marking a notable decline from the gustier months earlier in the spring. This decrease from 2.0 m/s in April reflects a seasonal calm that often settles in as the region transitions into the warmer months. Interestingly, this trend of diminishing wind speed continues into June, where averages only nudge up slightly to 1.9 m/s. Comparing this to the more blustery beginning of the year, with speeds around 2.5 m/s in January and February, it's clear that May serves as a sweet spot of serenity, inviting residents and visitors alike to enjoy the peaceful landscapes of Chemainus as nature prepares for the summer blooms.

Average May Wind Speed in Chemainus

The chart displays monthly wind speed patterns in Chemainus, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.62.32.01.8 m/s1.91.51.71.92.52.62.4
Data source: Chemainus May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Chemainus Compares to Other Months

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

When comparing the weather in May and January, there are significant differences in both temperature and precipitation. In May, temperatures range from a minimum of 3°C (37°F) to a maximum of 28°C (82°F), with an average of 14°C (57°F). This month sees relatively moderate precipitation levels at 58 mm (2.3 in) over 10 days, and humidity levels average around 81%. In stark contrast, January features much colder temperatures, with a minimum of -9°C (15°F) and a maximum of just 13°C (55°F), leading to an average of 4°C (40°F). Additionally, January experiences significantly higher precipitation of 196 mm (7.7 in) over 15 days and slightly higher humidity at 86%. For more detailed information on January weather, visit Chemainus weather in January.

When comparing the weather conditions of May and February, several notable differences emerge. May typically boasts a more pleasant temperature range, with minimums of 3°C (37°F) and maximums reaching up to 28°C (82°F), while February experiences significantly lower temperatures, with a minimum of -9°C (16°F) and a maximum of 13°C (55°F). Additionally, May generally sees less precipitation, accumulating around 58 mm (2.3 in) over about 10 days, compared to February's higher total of 117 mm (4.6 in) spread across 15 days. Humidity levels are relatively similar, with May at 81% and February slightly higher at 85%. For a closer look at February's weather patterns, you can check out Chemainus weather in February.

In comparing the weather of March and May, it's clear that May offers a more pleasant climate. With average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 28°C (82°F), May is significantly warmer than March, which has temperatures that dip as low as -3°C (27°F) and peak at 20°C (68°F). Additionally, May experiences less precipitation at 58 mm (2.3 in) over 10 days, compared to March's 107 mm (4.2 in) over 15 days. Humidity is slightly lower in May at 81%, while March's humidity sits at a slightly higher 86%. For a more detailed look at March weather, you can visit Chemainus weather in March.

In comparing the weather between April and May, May tends to be warmer with average temperatures reaching 14°C (57°F), while April's average is only 10°C (50°F). The maximum temperature in May can reach up to 28°C (82°F), significantly higher than April's high of 24°C (76°F). However, April experiences more rainfall, with a total precipitation of 104 mm (4.1 in) over 14 days compared to May's 58 mm (2.3 in) over just 10 days. Humidity levels are slightly lower in May at 81%, compared to April's 86%. For more details on April weather, you can check Chemainus weather in April.

In comparing the weather conditions of May and June, we can see a noticeable increase in temperature. May experiences minimum temperatures around 3°C (37°F) and maximums reaching 28°C (82°F), while June starts off warmer with minimums of 6°C (44°F) and peaks soaring to an impressive 40°C (104°F). The average temperature in May is 14°C (57°F), which increases to 17°C (63°F) in June, indicating a transition into the hotter summer months. Precipitation is quite similar in both months, with May receiving 58 mm (2.3 in) over approximately 10 days, while June has slightly less at 57 mm (2.2 in) over 9 days. Humidity levels remain high in both months, ranging from 81% in May to 83% in June. For more detailed insights on the climate during this time, check out Chemainus weather in June.

May and July present quite distinct weather patterns. In May, temperatures range from a chilly 3°C (37°F) at night to a warm 28°C (82°F) during the day, with an average temperature of 14°C (57°F). The month sees about 58 mm (2.3 in) of precipitation over approximately 10 days, while humidity sits at a relatively high 81%. In contrast, July brings a significant shift, with minimum temperatures of 10°C (50°F) and maximums reaching up to 34°C (93°F), averaging 20°C (68°F). Rainfall decreases to just 25 mm (1.0 in) over 6 days, and humidity rises slightly to 84%. This transition from May to July highlights a trend toward warmer and drier conditions. For more on July weather in the region, check out Chemainus weather in July.

May and August present contrasting weather patterns in Chemainus. In May, temperatures range from a chilly 3°C (37°F) to a warm 28°C (82°F), with an average of 14°C (57°F). The month typically experiences higher precipitation of 58 mm (2.3 in) over about 10 days, accompanied by a humidity level of 81%. In contrast, August brings a more stable climate with minimum temperatures of 9°C (48°F) and maximums reaching 34°C (94°F), averaging 20°C (68°F). Rainfall drops significantly to just 25 mm (1.0 in) across only 4 days, while humidity decreases slightly to 77%. For a more detailed view of August weather, check out Chemainus weather in August.

When comparing the weather in May and September, we see notable differences in temperature, precipitation, and humidity. May typically has a minimum temperature of 3°C (37°F) and an average of 14°C (57°F), while September offers slightly warmer conditions with a minimum of 6°C (43°F) and an average of 16°C (61°F). The maximum temperatures are also higher in September, reaching up to 31°C (88°F) compared to May's 28°C (82°F). Precipitation is more abundant in September, accumulating 111 mm (4.4 in) over 12 days, in contrast to May's 58 mm (2.3 in) over 10 days. Humidity is slightly lower in September at 76%, compared to May's 81%. For more detailed insights into September weather conditions, you can check Chemainus weather in September.

May and October exhibit striking differences in weather patterns. In May, temperatures range from a minimum of 3°C (37°F) to a maximum of 28°C (82°F), with an average of 14°C (57°F) and relatively moderate precipitation of 58 mm (2.3 in) over about 10 days. The humidity, at 81%, creates a fresh and vibrant atmosphere typical of early spring. In contrast, October sees much cooler temperatures, with lows dipping to -2°C (29°F) and an average of 10°C (50°F), peaking at 21°C (71°F). This month experiences significantly higher precipitation at 134 mm (5.3 in) across 13 days and a humidity level of 88%, resulting in a damp and crisp fall experience. For a deeper look at October weather, you can visit Chemainus weather in October.

In comparing the weather between May and November, we can see significant differences in temperature and precipitation patterns. May enjoys a milder climate with average temperatures ranging from a pleasant 3°C (37°F) at night to a warm 28°C (82°F) during the day, accompanied by a relatively lower precipitation of 58 mm (2.3 in) across about 10 days. In contrast, November brings much cooler temperatures, with lows dipping to -4°C (25°F) and daytime highs averaging around 17°C (63°F). This month also sees a substantial increase in rainfall, accumulating 224 mm (8.8 in) over about 18 days, leading to higher humidity levels of 87%. For more detailed insights, check out Chemainus weather in November.

In May, the weather tends to be mild and variable, with temperatures ranging from a minimum of 3°C (37°F) to a pleasant maximum of 28°C (82°F) and an average of 14°C (57°F). The month sees around 58 mm (2.3 in) of rain over approximately 10 days, accompanied by a relatively high humidity of 81%. In stark contrast, December brings much colder temperatures, with a minimum of -10°C (15°F), an average of only 4°C (40°F), and a maximum of 14°C (57°F). This month is significantly wetter, with precipitation totaling 199 mm (7.8 in) over 19 days and humidity levels rising to 87%. For more details on December weather, you can visit Chemainus weather in December.

Compare Chemainus's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Chemainus

As May unfolds in Chemainus, the weather begins to shift dramatically from the chill of earlier months, welcoming warmer temperatures that encourage the blossoming of spring. Unlike the lingering coolness of early spring, May boasts a pleasant average temperature that invites outdoor activities, all while balancing occasional rainfall. While total precipitation sees an increase, contributing to the region's lush landscapes, the humidity can feel quite high, adding a layer of freshness to the air. For a deeper understanding of how Chemainus weather patterns evolve throughout the year, be sure to explore Chemainus Climate.