May Weather in Charlottetown, Canada

Last updated: April 22, 2025

In May, Charlottetown experiences a dynamic shift in weather as spring firmly takes hold. With maximum temperatures reaching a pleasant 24°C (76°F) and an average of 9°C (49°F), residents enjoy increasingly mild days. However, the month also sees a minimum of -3°C (27°F), reminding us of winter's lingering presence. Rain is frequent, totaling 88 mm (3.5 in) across 13 days, contributing to the region's lush scenery. The humidity levels hover around a notable 85%, creating a vibrant, albeit damp, atmosphere. As May unfolds, the blend of warmth and moisture paints Charlottetown in its beautiful, blossoming glory.

May Temperature in Charlottetown

In May, temperatures in Charlottetown, Canada begin to awaken from the grips of winter, offering a refreshing shift as the island embraces spring. With a minimum temperature of -3°C (27°F) and an average around 9°C (49°F), the chill of winter significantly recedes, paving the way for warmer days. The mercury can soar to a delightful 24°C (76°F), inviting both locals and visitors to bask in the sun's embrace. This month marks a notable transition, showcasing a more vibrant atmosphere as the community engages in outdoor activities under increasingly pleasant skies. As May unfolds, the gradual rise in temperatures signals the approach of the idyllic summer months ahead.

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

The chart illustrates May temperature patterns in Charlottetown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec232228394860676860503928
Data source: Temperature data for Charlottetown 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 Charlottetown

In May, Charlottetown experiences a blend of spring’s renewal and the lingering chill of winter, reflected in its 88 mm (3.5 inches) of precipitation over 13 days. This quantity sets a tone for the bustling early summer, coming just after April’s slightly higher rainfall of 85 mm. Interestingly, May's precipitation marks a modest increase compared to March’s 75 mm, signaling a consistent trend of rising moisture as the season progresses. The pattern suggests a transition, with rainfall gradually swelling towards the 97 mm typically seen in June, helping to nourish the lush landscapes that characterize this vibrant region. Overall, May stands as a bridge, hinting at the impending warmth while honoring the classic variability of spring weather.

May Precipitation Trends in Charlottetown

The chart displays monthly precipitation patterns in Charlottetown, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8193758588976873977713597
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Charlottetown

In Charlottetown, Canada, May presents a slight dip in humidity, settling at 85%, which is gently lower than the preceding months of March and April, both at 86%. This transition marks a brief respite before the summer months, where humidity levels peak in July and August at 86% and 87%, respectively. Overall, while May's humidity does not stray far from the higher averages seen earlier in the spring, it hints at the shifting weather patterns that accompany the approach of summer, maintaining a relatively consistent and mild environment throughout the year. The data indicates that humidity levels remain fairly stable, fluctuating only slightly across the seasons, which contributes to the region's distinct climate charm.

May Average Humidity in Charlottetown

This chart illustrates the average monthly humidity levels in Charlottetown, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%86%86%85%82%86%87%85%85%85%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Charlottetown

In May, Charlottetown experiences a significant rise in the UV Index, peaking at 8, which falls into the very high exposure category and reduces the burn time to just 15 minutes. This leap from the more moderate indices of earlier months signals the onset of summer, where it’s crucial to take precautions against potential skin damage. As the days lengthen and the sun's rays intensify, residents and visitors alike should be mindful of sun safety practices. With June and July maintaining similarly high UV levels, it's important to stay informed and protected. For detailed information on UV trends throughout the year, check out Charlottetown UV Index.

Maximum UV Index Levels in Charlottetown for May

The chart shows the monthly maximum UV Index (UVI) for Charlottetown 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.
JanFebMarAprMayJunJulAugSepOctNovDec2357810887532
Data source: Charlottetown 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 Charlottetown

May ushers in a delightful shift in Charlottetown's sunlight, boasting an impressive 295 hours of sunshine. This marks a noticeable jump from previous months, with April's 243 hours providing a warm prelude to the vibrant onset of summer. As the spring blooms, residents and visitors alike revel in the increasing daylight, which paves the way for longer, sun-kissed days ahead. In fact, June continues this trend, shining even brighter with 329 hours, showcasing a steady rise that peaks in the summer months. This abundant sunshine not only symbolizes the arrival of warmer weather but also invigorates the community, encouraging outdoor activities and leisure pursuits throughout the scenic landscape of Prince Edward Island.

Monthly Sunshine Duration in Charlottetown: May Highlighted

The May sunshine duration represents the total number of hours Charlottetown 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.
JanFebMarAprMayJunJulAugSepOctNovDec98h170h228h243h295h329h341h351h271h220h143h123h
Data source: Charlottetown May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Charlottetown During May

In Charlottetown, Canada, the likelihood of sunny weather sees a noticeable increase as spring gives way to summer. In May, there's a promising 41% chance of sunshine, a substantial rise from the lower percentages of earlier months like January and April. This trend continues into June, where the likelihood of sunny days slightly edges up to 42% before peaking in August at 44%. Such patterns suggest that May serves as a transitional month, perfectly capturing the essence of spring's blossoming beauty while hinting at the vibrant summer ahead. With sunny days on the horizon, residents and visitors alike can look forward to enjoying the outdoors as the weather warms up.

Percentage of Sunny Days in May in Charlottetown

The chart illustrates the percentage of sunny days in Charlottetown 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 Charlottetown experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%27%45%28%41%42%27%44%42%34%34%29%
Data source: Charlottetown May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Charlottetown in May

As spring blossoms into summer in Charlottetown, Canada, the length of daylight reveals a captivating progression. In January, the days start at a modest 9 hours, gradually extending to 10 hours by February, reflecting the slow awakening of the season. March and April bring a noticeable increase in daylight, reaching 11 and 13 hours respectively, as nature begins to thrive. May shines brightly with 14 hours of daylight, heralding the full embrace of spring, while June and July peak with 15 hours, offering long, sunlit days perfect for outdoor adventures. As summer wanes in August, daylight begins to gently decline to 14 hours, leading into 12 hours in September. The progression continues into the cooler months, where the days shorten once again to 10 hours in October, culminating in the return to 9 hours in November and a mere 8 hours by December. This cyclical dance of daylight not only marks the changing seasons but also shapes the rhythm of life in this charming coastal city.

Average Daylight Hours in Charlottetown for May

The chart illustrates the variation in daylight duration in Charlottetown throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 4m10h 20m11h 57m13h 35m14h 59m15h 42m15h 19m14h 4m12h 29m10h 51m9h 24m8h 39m
Data source: Charlottetown daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Charlottetown

In Charlottetown, Canada, the month of May presents a gentle breeziness with an average wind speed of 5.2 m/s (12 mph). This slight dip in wind strength follows the slightly stronger gusts of March and February, which had peaks of 6.2 m/s (14 mph) and 5.7 m/s (13 mph), respectively. As spring unfolds, the winds soften, aligning with the calming transition into summer, where June brings a modest increase to 5.4 m/s (12 mph) before the summer months see a gradual decline, with July recording the lowest average of 4.7 m/s (11 mph). This pattern reflects a seasonal ebb and flow, creating a serene atmosphere ideal for enjoying the blossoming landscape of May while still feeling the refreshing breath of the ocean air.

Average May Wind Speed in Charlottetown

The chart displays monthly wind speed patterns in Charlottetown, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.35.76.25.65.2 m/s5.44.74.65.54.55.86.2
Data source: Charlottetown May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Charlottetown Compares to Other Months

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

May and January present a stark contrast in weather conditions. In May, temperatures range from a chilly -3°C (27°F) at night to a comfortable high of 24°C (76°F) during the day, with an average of 9°C (49°F). Despite experiencing 88 mm (3.5 in) of precipitation over 13 days, humidity is relatively high at 85%. In contrast, January is much colder, with temperatures plummeting to a minimum of -20°C (-3°F), averaging -5°C (23°F) and reaching a maximum of 14°C (58°F). Although January sees slightly less precipitation at 81 mm (3.2 in) over 10 days, the humidity level remains similar at 84%. For more details, you can visit Charlottetown weather in January.

May and February present stark contrasts in weather conditions. In May, temperatures range from a chilly minimum of -3°C (27°F) to a pleasant maximum of 24°C (76°F), with an average of 9°C (49°F). This month experiences about 88 mm (3.5 in) of precipitation over 13 days and maintains a high humidity level of 85%. In contrast, February is much colder, with temperatures dipping as low as -20°C (-4°F) and peaking at just 9°C (49°F), resulting in an average of -5°C (22°F). February sees slightly higher precipitation at 93 mm (3.7 in) over 12 days, with humidity at 84%. For a detailed look at February weather, you can check Charlottetown weather in February.

Comparing the weather in March and May reveals a significant transition as spring unfolds. In March, temperatures can be quite low, ranging from a minimum of -19°C (-2°F) to a maximum of 11°C (53°F), with an average of -2°C (28°F). Precipitation is recorded at 75 mm (2.9 in) over 13 days, paired with a humidity level of 86%. In contrast, May sees much milder temperatures, with a minimum of -3°C (27°F), an average of 9°C (49°F), and a maximum of 24°C (76°F). Although May has slightly higher precipitation at 88 mm (3.5 in) over the same number of days, the increased warmth and lower humidity at 85% create a stark difference in the overall feel of the month. For more insights into March weather, check out Charlottetown weather in March.

In comparing the weather between April and May, it is evident that May experiences milder temperatures with an average of 9°C (49°F), compared to April's cooler average of 4°C (39°F). While both months see considerable humidity, May has a slightly lower average humidity at 85%, compared to April's 86%. Precipitation levels are similar, with May recording 88 mm (3.5 in) over 13 days and April seeing 85 mm (3.4 in) over 12 days. Notably, May also offers warmer maximum temperatures, reaching up to 24°C (76°F), compared to April's maximum of 18°C (65°F). For a more detailed look, you can explore the Charlottetown weather in April.

May and June showcase a notable transition in weather patterns. In May, temperatures range from a chilly minimum of -3°C (27°F) to a pleasant maximum of 24°C (76°F), with an average of 9°C (49°F). The month sees around 88 mm (3.5 in) of precipitation over 13 days, resulting in high humidity levels of 85%. In contrast, June warms up significantly, with temperatures starting at 0°C (33°F) and reaching a maximum of 29°C (84°F), averaging 15°C (60°F). Although June experiences slightly higher precipitation at 97 mm (3.8 in) across 12 days, the humidity decreases slightly to 82%. This shift marks June as a more temperate and summery month compared to the cooler and wetter May. For more details, you can check Charlottetown weather in June.

May and July exhibit distinct differences in weather patterns. In May, temperatures can range dramatically, with a minimum of -3°C (27°F) and averaging around 9°C (49°F), peaking at 24°C (76°F). The month sees considerable rainfall, accumulating 88 mm (3.5 in) over 13 days, coupled with high humidity levels of 85%. In contrast, July brings warmer temperatures, with a minimum of 11°C (52°F) and an average of 20°C (67°F), reaching maximums of 30°C (85°F). Rainfall in July is less intense, totaling 68 mm (2.7 in) across 10 days, while humidity remains similar at 86%. For a more detailed look at the weather patterns, visit Charlottetown weather in July.

May and August present contrasting weather patterns. In May, temperatures range from a chilly minimum of -3°C (27°F) to an average of 9°C (49°F), with a maximum of 24°C (76°F). This month experiences significant rainfall, with a total of 88 mm (3.5 in) spread over 13 days, and high humidity at 85%. In contrast, August offers much warmer conditions, with temperatures fluctuating between a minimum of 11°C (51°F) and a comfortable average of 20°C (68°F), peaking at 30°C (86°F). Rainfall in August is lighter, totaling 73 mm (2.9 in) over 10 days, and humidity remains relatively high at 87%. For more details on August weather, you can check Charlottetown weather in August.

May and September offer distinct weather experiences, reflecting the transition from spring to autumn. In May, temperatures can dip to a minimum of -3°C (27°F) and reach an average of 9°C (49°F), peaking at 24°C (76°F). The month sees about 88 mm (3.5 in) of precipitation over approximately 13 days, with humidity levels remaining high at 85%. In contrast, September boasts milder temperatures, with a minimum of 3°C (38°F), an average of 16°C (61°F), and a maximum of 27°C (82°F). Although it experiences slightly higher precipitation at 96 mm (3.8 in) over just 10 days, the humidity remains consistent at 85%. For a deeper look into September's weather specifics, check out Charlottetown weather in September.

May and October in Charlottetown exhibit quite similar weather profiles, with both months experiencing a range of temperatures that peak at around 24°C (76°F) during the day. May tends to be slightly cooler at night, with minimum temperatures averaging -3°C (27°F) compared to October's -2°C (29°F). Despite May having a marginally higher average temperature of 9°C (49°F) compared to October's 10°C (50°F), both months see considerable humidity levels at 85%. Precipitation is relatively close, with 88 mm (3.5 in) falling over 13 days in May and 77 mm (3.0 in) over 11 days in October, making both months fairly wet. For more detailed information, you can check Charlottetown weather in October.

May and November showcase distinct differences in weather patterns. In May, temperatures range from a chilly minimum of -3°C (27°F) to a comfortable maximum of 24°C (76°F), with an average of 9°C (49°F). This month sees around 88 mm (3.5 in) of precipitation over 13 days, while humidity remains relatively high at 85%. In contrast, November experiences colder conditions, with temperatures ranging from a frigid -12°C (10°F) to a milder maximum of 20°C (68°F), averaging at 4°C (39°F). Rainfall increases to 135 mm (5.3 in) over 15 days, maintaining the same humidity level of 85%. For more detailed information about November weather, you can refer to Charlottetown weather in November.

In comparing the weather between May and December, significant differences become apparent. May typically sees milder temperatures, with averages around 9°C (49°F) and a maximum of 24°C (76°F), while December experiences much colder conditions, averaging -2°C (29°F) and reaching a maximum of only 14°C (58°F). Precipitation levels are slightly higher in December at 97 mm (3.8 in) compared to May's 88 mm (3.5 in), although both months have rainfall on about 13 days. Humidity remains fairly constant, with May at 85% and December at 84%. These contrasts highlight the transition from spring warmth to the chill of winter. For a more detailed look at December weather, visit Charlottetown weather in December.

Compare Charlottetown's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Charlottetown

As May arrives in Charlottetown, the city experiences a notable shift from the chill of winter to the refreshing embrace of spring. With temperatures reaching an inviting maximum of 24°C (76°F), this month offers a welcome change compared to the cooler days of early spring. However, occasional dips to -3°C (27°F) remind us that winter's hold isn't entirely gone, leading to fluctuating conditions. Precipitation is fairly common, with rain gracing about 13 days, adding a vibrant touch to the blossoming landscape. The month boasts an average humidity of 85%, which can make the air feel lush and refreshing. Overall, May serves as a beautiful bridge between the chill of spring and the warmth of summer, setting the stage for the sunny days ahead. For more details on what to expect throughout the year, check out Charlottetown Climate.