May Weather in Vermont, United States

Last updated: February 24, 2025

May in Vermont presents a vibrant transition into warmer days, with average temperatures settling around 15°C (60°F). The month can experience maximum highs reaching an impressive 34°C (94°F) while dipping to a chilly -1°C (31°F) on cooler nights. Rainfall is a constant companion, with 135 mm (5.3 in) accumulated over approximately 14 days, contributing to a rich tapestry of lush greenery and blossoming flora. The humidity level hovers at a notable 78%, creating a refreshing ambiance that enhances the beauty of this picturesque state in springtime.

May Temperature in Vermont

May in Vermont marks a vibrant transition into warmer weather, where temperatures begin to rise appreciably from the lingering chill of winter. With minimums around -1°C (31°F), average daytime temperatures soar to a comfortable 15°C (60°F), peaking at delightful highs of 34°C (94°F). This gradual increase not only heralds the arrival of spring blossoms but also invites outdoor activities, as the state shakes off the cold. The sharp contrasts in temperature throughout the year are particularly evident here; May stands out as a pivotal month where nature comes alive, drawing residents and visitors to enjoy the lush landscapes and burgeoning wildlife after months of icy grip. It's a time when the warmth begins to feel more consistent, making Vermont a delightful getaway for those seeking to embrace the beauty of the season.

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

The chart illustrates May temperature patterns in Vermont, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec212236466071757165513629
Data source: Temperature data for Vermont 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 Vermont

May marks a significant uptick in precipitation in Vermont, with an impressive 135 mm (5.3 in) of rain falling over approximately 14 days. This surge not only makes May the wettest month of the year but also highlights a clear trend of increasing moisture as spring transitions into summer. Following April's 93 mm (3.7 in), May's downpours invigorate the lush landscapes, providing essential hydration for the abundant flora. Interestingly, this pattern of escalating rainfall continues into June, albeit at a slightly lower volume of 123 mm (4.9 in). Such seasonal variations serve as a reminder of Vermont's rich, dynamic climate that fosters vibrant ecosystems while keeping residents guessing about their umbrellas!

May Precipitation Trends in Vermont

The chart displays monthly precipitation patterns in Vermont, 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.
JanFebMarAprMayJunJulAugSepOctNovDec50565893135123871131191174344
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Vermont

As spring blossoms into summer, May in Vermont showcases a notable shift in humidity levels. After a consistent 85% humidity throughout the chilly months from January to April, May experiences a refreshing drop to 78%, signaling the arrival of warmer weather. This decline sets a trend that continues into June, where humidity rises slightly to 80%, then stabilizes again in July at 78%. As the season progresses, we see a gradual decline, peaking in August at 76%, before the cycle of higher humidity returns with the fall months. Overall, May acts as a transitional period, bridging the high humidity of winter and the more comfortable summer conditions that follow.

May Average Humidity in Vermont

This chart illustrates the average monthly humidity levels in Vermont, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Vermont

As May rolls in, Vermonters can expect a significant jump in UV exposure, with the UV Index soaring to 9, placing it in the very high exposure category. This marks a notable increase from April's Index of 8, which necessitated a shift in sun safety practices. With a burn time of just 15 minutes, it's crucial to protect your skin during this month as the sun becomes increasingly intense. This trend continues into June and July, where the UV Index reaches its peak at 10, emphasizing the importance of vigilance when enjoying outdoor activities. For more details on UV levels throughout the year, visit the Vermont UV Index.

Maximum UV Index Levels in Vermont for May

The chart shows the monthly maximum UV Index (UVI) for Vermont 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.
JanFebMarAprMayJunJulAugSepOctNovDec34589101098532
Data source: Vermont 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 Vermont

May in Vermont is a delightful turning point, showcasing a significant boost in sunlight hours with 264 hours gracing the sky. This vibrant month stands out as a bridge between the awakening of spring and the lushness of summer, contributing to a steady upward trend in sunshine that begins in January with a modest 126 hours. As the days lengthen through February and March, the province receives an increasing amount of sunlight, peaking in July at a luminous 356 hours. This progression illustrates Vermont's transformation, where the lush landscapes bask in the extended daylight, preparing for a brief dip in sunshine as autumn approaches, notably in September. Overall, May serves as a radiant prelude, setting the stage for the sunny months ahead as residents and visitors alike revel in the blooming beauty of the Green Mountain State.

Monthly Sunshine Duration in Vermont: May Highlighted

The May sunshine duration represents the total number of hours Vermont 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.
JanFebMarAprMayJunJulAugSepOctNovDec126h194h228h237h264h324h356h330h262h203h185h176h
Data source: Vermont May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Vermont During May

In Vermont, the likelihood of sunny weather in May holds steady at 35%, mirroring the trends seen in April and indicating a continuation of spring's unpredictable charm. As one looks ahead to the summer months, the chance of sunshine noticeably climbs, peaking in August at 57%. This gradual increase highlights a shift towards brighter days, with June emerging as a pivotal month when sunny probabilities leap to 52%. Therefore, while May may not boast the highest likelihood of sunny skies, it serves as a promising precursor to the sunnier seasons ahead, inviting Vermonters to savor the mild springtime ambiance before the summer warmth fully takes hold.

Percentage of Sunny Days in May in Vermont

The chart illustrates the percentage of sunny days in Vermont 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 Vermont experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%35%44%35%35%52%45%57%61%36%41%34%
Data source: Vermont May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Vermont in May

As spring gives way to summer in Vermont, May shines with a delightful 14 hours of daylight, marking a strong sense of rejuvenation in the landscape. This increase in daylight follows a steady ascent from 11 hours in March and 13 hours in April, reflecting the approach of warmer weather and longer, sun-kissed days. The transition from the colder months of winter, characterized by just 9 hours in January and 10 hours in February, sharply contrasts the vibrancy of May, which not only fosters a spirit of renewal but also invites outdoor activities and social gatherings. This upward trend in daylight culminates in June, showcasing Vermont's stunning natural beauty, as residents revel in the abundance of sunshine and longer evenings that the summer months promise.

Average Daylight Hours in Vermont for May

The chart illustrates the variation in daylight duration in Vermont throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 23m10h 31m11h 57m13h 26m14h 41m15h 18m14h 57m13h 51m12h 26m10h 58m9h 41m9h 2m
Data source: Vermont daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Vermont

In May, Vermont experiences a slight dip in wind speed, averaging 3.5 m/s (8 mph), but still maintains a gentle and refreshing breeze perfect for springtime activities. This marks a continuation of a general upward trend beginning in March, where wind speeds peaked at 4.1 m/s (9 mph) and then gradually declined to April's 3.7 m/s (8 mph). As summer approaches, Vermont typically sees a gradual reduction in wind speeds, peaking in the summer months when the averages fall to around 2.6 to 3.0 m/s. However, May's breezy delight signals the transition from a vibrant spring to a more serene summer season, inviting both residents and visitors to enjoy the lush landscapes carried by the light winds.

Average May Wind Speed in Vermont

The chart displays monthly wind speed patterns in Vermont, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.44.13.73.5 m/s3.02.82.63.33.34.03.9
Data source: Vermont May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Vermont Compares to Other Months

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

May and January present stark contrasts in weather conditions. In May, temperatures can range from a chilly minimum of -1°C (31°F) to a warm maximum of 34°C (94°F), with an average of 15°C (60°F). This month also sees substantial precipitation, totaling 135 mm (5.3 in) over about 14 days, accompanied by a humidity level of 78%. In contrast, January experiences much colder temperatures, with a minimum of -32°C (-26°F) and a maximum of just 11°C (51°F), averaging -6°C (21°F). The precipitation is significantly lower at 50 mm (2.0 in) across 8 days, and the humidity is slightly higher at 85%. For a deeper look at January conditions, you can check out Vermont weather in January.

May and February present strikingly different weather conditions. In May, temperatures can range from a brisk -1°C (31°F) at night to a warm 34°C (94°F) during the day, with an average of 15°C (60°F). The month experiences considerable rainfall, totaling 135 mm (5.3 in) over 14 days, bringing a relative humidity of 78%. In contrast, February has a significantly colder climate, with temperatures dipping as low as -33°C (-26°F) and peaking at 20°C (69°F), averaging -5°C (23°F). This chillier month sees less precipitation, at 56 mm (2.2 in) over 9 days, and a higher humidity level of 85%. For more details, check out Vermont weather in February.

In comparing the weather of May and March, it's clear that May offers a much warmer experience, with average temperatures hovering around 15°C (60°F) and maximums reaching up to 34°C (94°F). In contrast, March is significantly cooler, with average temperatures around 2°C (36°F) and a maximum of only 23°C (73°F). Additionally, May experiences more precipitation, totaling 135 mm (5.3 in) over 14 days, while March sees only 58 mm (2.3 in) falling over 8 days. Humidity levels are also noteworthy, with March being slightly more humid at 85% compared to May's 78%. For more detailed insights on March weather, you can check Vermont weather in March.

In comparing the weather between April and May, May exhibits significantly warmer temperatures, with a minimum of -1°C (31°F) and an average of 15°C (60°F), compared to April's colder range, which has a minimum of -8°C (17°F) and an average of 8°C (46°F). The maximum temperatures in May can reach up to 34°C (94°F), while April peaks at 27°C (80°F). Precipitation also increases in May, totaling 135 mm (5.3 in) over 14 days, compared to 93 mm (3.7 in) across 12 days in April. Humidity remains high in both months, with April slightly higher at 85% compared to May's 78%. For a detailed overview of April's weather, you can check Vermont weather in April.

May and June present notable differences in weather patterns. In May, temperatures range from a chilly minimum of -1°C (31°F) to a warmer maximum of 34°C (94°F), with an average of 15°C (60°F). Precipitation levels are relatively high at 135 mm (5.3 in) over 14 days, contributing to a humidity of 78%. In contrast, June offers more stable temperatures, with a minimum of 8°C (47°F), an average of 21°C (71°F), and the same maximum of 34°C (94°F). Precipitation slightly decreases to 123 mm (4.9 in) over 12 days, accompanied by a marginally higher humidity of 80%. For a closer look at the climate, check out Vermont weather in June.

May and July showcase distinct weather profiles, highlighting the transition from spring to summer. In May, temperatures can range from a chilly -1°C (31°F) at night to a warm 34°C (94°F) during the day, with an average of 15°C (60°F). However, May is also characterized by higher precipitation, totaling 135 mm (5.3 in) over 14 days, which contributes to a notably humid atmosphere at 78%.

In contrast, July features a more stable and warmer climate, with temperatures ranging from a comfortable 13°C (55°F) to a peak of 35°C (96°F), and an average temperature of 24°C (75°F). July sees less rainfall, with 87 mm (3.4 in) spread over only 10 days, while maintaining the same humidity level of 78%. Overall, July tends to be drier and warmer, making it ideal for summer activities. For more detailed insights, check out Vermont weather in July.

When comparing the weather in May and August, notable differences emerge. May experiences a wider temperature range, with minimums dropping to -1°C (31°F) and maximums reaching up to 34°C (94°F), while the monthly average hovers around a comfortable 15°C (60°F). With significant precipitation of 135 mm (5.3 in) over 14 days, May tends to be quite humid with an average humidity of 78%. In contrast, August offers milder conditions, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 32°C (91°F) and an average of 22°C (71°F). The month sees slightly less precipitation at 113 mm (4.4 in) over 11 days, and the humidity is marginally lower at 76%. For more insights into the August weather in Vermont, you can refer to Vermont weather in August.

May and September present distinct weather characteristics, showcasing the transition from spring to early autumn. In May, temperatures can range from a chilly -1°C (31°F) at night to a warm 34°C (94°F) during the day, with an average of 15°C (60°F). The month experiences around 135 mm (5.3 in) of precipitation over approximately 14 days, alongside a high humidity level of 78%. In contrast, September offers slightly milder temperatures, with a minimum of 3°C (37°F) and a daily maximum reaching 33°C (91°F), averaging at 18°C (65°F). Precipitation decreases to 119 mm (4.7 in) spread over about 10 days, while humidity remains fairly high at 79%. For a detailed look at September conditions, check out Vermont weather in September.

May and October present contrasting weather patterns, showcasing the transition from spring to autumn. In May, temperatures range from a chilly minimum of -1°C (31°F) to a warm average of 15°C (60°F), with highs reaching up to 34°C (94°F). The month sees considerable precipitation of 135 mm (5.3 in) over 14 days, accompanied by a humidity level of 78%. In comparison, October's temperatures are cooler, with a minimum of -5°C (23°F) and an average of 11°C (51°F), peaking at 30°C (86°F). This month experiences slightly less rainfall at 117 mm (4.6 in) over 13 days and a higher humidity of 83%. For more details on the weather during this time, refer to Vermont weather in October.

May and November present stark contrasts in weather. May features milder temperatures, ranging from a minimum of -1°C (31°F) to a pleasant average of 15°C (60°F), with occasional peaks reaching 34°C (94°F). Rainfall is relatively high, totaling 135 mm (5.3 in) over approximately 14 days, contributing to a humidity level of 78%. In contrast, November sees much colder conditions, with temperatures dropping to a minimum of -16°C (4°F) and an average of only 2°C (37°F), with a maximum temperature of 22°C (72°F). The month experiences significantly less precipitation, totaling 43 mm (1.7 in) over 8 days, but with a higher humidity of 88%. For more details on November weather, you can check out Vermont weather in November.

May and December exhibit stark differences in weather patterns. In May, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 34°C (94°F), with an average of 15°C (60°F). The month sees significant precipitation, totaling 135 mm (5.3 in) across 14 days, alongside a humidity level of 78%. In contrast, December presents a much colder climate, with minimum temperatures plunging to -23°C (-8°F) and an average of -2°C (29°F). The maximum temperature is a relatively mild 19°C (66°F), but overall precipitation is lower at 44 mm (1.7 in) over just 6 days. December also maintains a slightly higher humidity level at 81%. For more details, you can check Vermont weather in December.

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Conclusion: What to Expect From May Weather in Vermont

As May unfolds in Vermont, a vibrant transition emerges from the lingering chill of winter to the warm embrace of spring. Temperatures begin to rise, showcasing a delightful range that invites outdoor activities, contrasting sharply with the colder months. While the average temperature settles at a comfortable 15°C (60°F), occasional peaks of heat remind us of summer's approach, though nights can still bring a crisp chill. The humidity levels at 78% contribute to a refreshing atmosphere, yet the 14 days of precipitation throughout the month remind us to prepare for the occasional spring shower. This blend of warmth, moisture, and blossoming flora sets May apart as a unique and beautiful time in the Green Mountain State. For further insights on the state’s weather patterns, explore Vermont Climate.