Last updated: April 22, 2025
In Niagara-on-the-Lake during May, the weather reflects the transition into warmer days, with a maximum temperature reaching a pleasant 23°C (74°F) and an average of 11°C (53°F). However, the minimum temperature can dip to a chilly 1°C (33°F), reminding visitors of the lingering coolness of spring. Rainfall is a notable feature, with a total precipitation of 99 mm (3.9 in) spread over 13 rainy days, contributing to the lush scenery of the region. With humidity levels at 82%, the air feels balmy, making it the perfect time for experiencing the beauty and charm of this picturesque destination.
In May, Niagara-on-the-Lake experiences a delightful transformation as temperatures rise significantly, marking the arrival of spring in full bloom. With a minimum temperature of 1°C (33°F), the region shakes off the winter chill, while the average settles comfortably at 11°C (53°F). This pleasant weather paves the way for a maximum of 23°C (74°F), inviting locals and visitors alike to indulge in outdoor activities and explore the vibrant landscapes. As the days grow longer and warmer, the stark contrast to the preceding months is evident, highlighting a clear trend towards milder and more enjoyable conditions, making May a perfect time to enjoy the breathtaking beauty and charm of this Canadian gem.
In May, Niagara-on-the-Lake experiences a moderate precipitation total of 99 mm (3.9 in), continuing the trend of increased rainfall established in April with 118 mm (4.6 in). This month witnesses precipitation on approximately 13 days, maintaining a consistent pattern with the preceding month. While May's rainfall is less than April's peak, it still contributes to the region's lush spring landscape. Interestingly, as the year progresses into summer, June typically sees a dip in rainfall, dropping to 81 mm (3.2 in), hinting at a shift towards drier weather patterns. Overall, May serves as a bridge between the wetter spring months and the dryer summer season, making it a vibrant time for the region's flora and outdoor activities.
As May rolls into Niagara-on-the-Lake, the charming Canadian town begins to experience a notable drop in humidity, settling at 82%. This decline marks a refreshing shift from the winter months, where humidity levels lingered around an impressive 91% in both January and February. Following the steady warmth of April, which remained at 88%, May heralds the start of a more comfortable and inviting atmosphere. As summer approaches, this trend continues, with humidity levels declining further to 79% in June and 77% in July. The overall progression illustrates a gradual transition from the heavier, moisture-laden air of early spring to the lighter, drier breezes of summer, making May an ideal time to enjoy the area’s stunning landscapes and outdoor activities.
As the spring months transition into May, Niagara-on-the-Lake experiences a significant spike in UV exposure, with the UV Index soaring to 9, categorizing this month as having a very high risk of harm from unprotected sun exposure. The burn time for fair-skinned individuals drops to just 15 minutes, highlighting the urgency for sun protection. This trend of increasing UV levels began in February with a moderate index of 4 and escalated markedly through April, which had a notable jump to 8. Following May, the summer months continue to see the UV Index remain elevated at 9 in July and August, underscoring the importance of vigilance against UV radiation as temperatures rise. For a comprehensive understanding of UV trends throughout the year, visit Niagara-on-the-Lake UV Index.
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As spring blossoms into summer, May shines brightly in Niagara-on-the-Lake, boasting an impressive 292 hours of sunshine. This significant increase from April's 240 hours reflects the region's transition into a vibrant season, where longer days and warm weather awaken the landscape. Following May, June bursts onto the scene with 341 hours of sunlight, marking the peak of the sunny months. The steady climb in daylight from the 108 hours in January to May’s glow illustrates a delightful trend, inviting visitors to revel in the picturesque charm of this Canadian gem as it basks in the warmth of spring.
As spring transitions into summer, the likelihood of sunny weather in Niagara-on-the-Lake, Canada, begins to rise significantly. In May, residents can expect a 46% chance of sunshine, a figure that mirrors the optimism of the blossoming landscape. This probability matches that of March, indicating a promising start to the warmer months. While April offers a slightly lower chance of sun at 41%, May confidently shifts back up to join the ranks of more favorable weather, still trailing behind the peak of summer. This trend suggests that as the days lengthen and temperatures rise, the likelihood of basking in sunlight continues to increase, making May an inviting month for outdoor activities in this picturesque locale.
As spring transitions to summer in Niagara-on-the-Lake, May heralds a delightful increase in daylight, offering an average of 14 hours of sunlight—a significant jump from the 13 hours noted in April. This gradual ascent in daylight hours, which begins in January with only 9 hours, showcases a consistent pattern of increasing brightness as the months unfold. The trend continues into June, peaking at 15 hours, before gently tapering off in the summer months of July and August. By September, daylight begins its gradual descent back towards winter, but May stands out as a vibrant month where longer days invite exploration and celebration in this charming Canadian town.
In Niagara-on-the-Lake, May ushers in a gentle breeze, with an average wind speed of 3.9 m/s (9 mph), the lightest of the spring months. This decline from April’s 4.4 m/s (10 mph) sets the stage for more serene afternoons, perfect for enjoying the vibrant blossoms and outdoor activities. As temperatures begin to rise, the pleasant winds create an inviting atmosphere reminiscent of a tranquil summer day, contrasting with the brisker winds of the colder months. Looking ahead, the summer months see a slight uptick, hinting at the dynamic weather patterns that characterize this charming region. Overall, May's calm winds add to the allure of Niagara-on-the-Lake, making it an ideal time for leisurely strolls and outdoor gatherings amid nature's splendor.
The weather in Niagara-on-the-Lake 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 Niagara-on-the-Lake and find detailed weather information for every month.
May and January offer contrasting weather experiences. In May, temperatures range from a chilly 1°C (33°F) to a pleasant 23°C (74°F), with an average of 11°C (53°F). This month sees about 99 mm (3.9 in) of precipitation over 13 days, accompanied by humidity levels around 82%. In stark contrast, January features much colder conditions, with temperatures dropping to a minimum of -18°C (0°F) and peaking at 13°C (55°F), averaging -2°C (29°F). Precipitation in January is slightly lower at 78 mm (3.1 in) over 12 days, but humidity is higher at 91%. For a detailed look at January weather, visit Niagara-on-the-Lake weather in January.
May and February present contrasting weather patterns. In May, temperatures range from a chilly 1°C (33°F) at night to a pleasant 23°C (74°F) during the day, with an average of 11°C (53°F). The humidity is moderate at 82%, and rainfall occurs on about 13 days, totaling 99 mm (3.9 in). In contrast, February is significantly colder, with temperatures dipping as low as -18°C (-1°F) and averaging around -1°C (30°F). The maximum temperature reaches a maximum of 14°C (58°F), while the humidity is slightly higher at 91%, with precipitation occurring for 14 days and accumulating 87 mm (3.4 in). For more detailed insights on February weather in the region, you can check Niagara-on-the-Lake weather in February.
In comparing the weather between March and May, it is evident that May offers a much milder climate. While March experiences colder temperatures with a minimum of -12°C (11°F) and an average of 2°C (35°F), May's temperatures range from a minimum of 1°C (33°F) to an average of 11°C (53°F), peaking at a comfortable 23°C (74°F). Additionally, May sees more precipitation, averaging 99 mm (3.9 in) over 13 days, compared to March's 71 mm (2.8 in) spread over 11 days. Despite slightly lower humidity in May at 82%, it remains higher than that of March, which is at 88%. For a more detailed look at March's weather, visit Niagara-on-the-Lake weather in March.
When comparing the weather in April and May, it is evident that May experiences milder temperatures with an average of 11°C (53°F), compared to April's cooler average of 6°C (43°F). The minimum temperature in May is also notably warmer, sitting at 1°C (33°F) versus April’s chillier -3°C (28°F). While both months see precipitation on 13 days, May receives slightly less rain at 99 mm (3.9 in) compared to April's 118 mm (4.6 in). However, April tends to be more humid, with humidity levels reaching 88%, while May averages 82%. For those interested in a more detailed look at April's weather, check out Niagara-on-the-Lake weather in April.
In May, the weather tends to be cooler, with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 23°C (74°F) and an average of 11°C (53°F). Precipitation is relatively high at 99 mm (3.9 in) over 13 days, accompanied by a humidity level of 82%. In contrast, June offers warmer temperatures, featuring a minimum of 8°C (47°F) and peaking at 27°C (80°F), with an average temperature of 18°C (64°F). Rainfall decreases to 81 mm (3.2 in) over just 10 days, and humidity slightly drops to 79%. For a detailed look at June weather specifics, check Niagara-on-the-Lake weather in June.
When comparing the weather in May and July, significant differences are evident. May temperatures range from a chilly minimum of 1°C (33°F) to a pleasant maximum of 23°C (74°F), with an average of 11°C (53°F). In contrast, July boasts much warmer temperatures, with a minimum of 16°C (62°F), an average of 23°C (73°F), and a maximum of 29°C (84°F). While both months experience precipitation over 13 days, May has a higher humidity at 82%, compared to July's slightly lower humidity at 77%. For those interested in the detailed weather conditions during July, more information can be found here: Niagara-on-the-Lake weather in July.
In comparing the weather between May and August, May tends to be cooler with a minimum temperature of 1°C (33°F) and an average of 11°C (53°F), while August sees significantly warmer temperatures, ranging from a minimum of 15°C (59°F) to an average of 22°C (73°F). Precipitation is slightly lower in August, totaling 85 mm (3.3 in) over 12 days, compared to May's 99 mm (3.9 in) spread over 13 days. Additionally, humidity levels are higher in May at 82%, whereas August enjoys a more comfortable 72%. For more details about the weather in August, you can check Niagara-on-the-Lake weather in August.
May and September exhibit distinct weather patterns that reflect the transition from spring to autumn. In May, temperatures range from a chilly minimum of 1°C (33°F) to a maximum of 23°C (74°F), with an average of 11°C (53°F). The month tends to be quite wet, receiving 99 mm (3.9 in) of precipitation over 13 days, and the humidity is notably high at 82%. In contrast, September offers milder temperatures, with a minimum of 9°C (48°F) and a pleasant maximum of 29°C (85°F), averaging around 19°C (66°F). Rainfall is less frequent, totaling 73 mm (2.9 in) over 9 days, while the humidity decreases to a more comfortable 76%. For more insights on September weather, you can visit Niagara-on-the-Lake weather in September.
In comparing the weather of May and October, we observe that May features a minimum temperature of 1°C (33°F) and a comfortable average of 11°C (53°F), peaking at a maximum of 23°C (74°F). It tends to be quite humid, with an average humidity of 82% and about 99 mm (3.9 in) of precipitation over approximately 13 days.
In contrast, October experiences slightly warmer temperatures with a minimum of 3°C (38°F) and an average of 13°C (56°F), reaching up to a maximum of 25°C (78°F). However, it has higher precipitation levels, totaling around 128 mm (5.0 in) and occurring over 16 days, coupled with humidity that is comparable at 83%. For those interested in what to expect, you can find more details in the article titled Niagara-on-the-Lake weather in October.
May and November present contrasting weather profiles in Niagara-on-the-Lake. In May, temperatures range from a cool 1°C (33°F) at night to a pleasant maximum of 23°C (74°F) during the day, with an average of 11°C (53°F). The month experiences moderate rainfall, totaling 99 mm (3.9 in) over about 13 days, and humidity levels hover around 82%. In contrast, November brings much cooler temperatures, with nighttime lows plummeting to -8°C (18°F) and daytime highs reaching up to 19°C (66°F), averaging at 6°C (42°F). Precipitation is slightly less at 89 mm (3.5 in) over 12 days, accompanied by higher humidity at 88%. For more detailed weather insights, you can check Niagara-on-the-Lake weather in November.
May and December present strikingly different weather patterns. In May, temperatures range from a minimum of 1°C (33°F) to a maximum of 23°C (74°F), with an average of 11°C (53°F). This month sees about 99 mm (3.9 in) of precipitation spread over 13 days, accompanied by a relatively high humidity of 82%. In contrast, December experiences much colder conditions, with temperatures dipping to a minimum of -16°C (4°F) and peaking at 15°C (60°F), averaging just 1°C (35°F). Although December has slightly less precipitation at 90 mm (3.5 in) over 15 days, humidity remains high at 87%. For more detailed information, you can check Niagara-on-the-Lake weather in December.
As spring reaches its peak in May, Niagara-on-the-Lake experiences a delightful transition from the chill of early months to more moderate temperatures, making it a refreshing time to visit. The average temperature hovers around a pleasant 11°C (53°F), with maximums peaking at a lovely 23°C (74°F). However, visitors should be prepared for occasional rainy days, as precipitation is common during this month. With an 82% humidity, the air feels full of life, contributing to the vibrant blooms that characterize this charming town. Overall, May offers a unique blend of warmth and freshness, a stark contrast to the cooler and colder months preceding it. For more details on the climate throughout the year, visit Niagara-on-the-Lake Climate.