Vermont Climate

Last updated: January 18, 2025

Vermont, located in the northeastern United States, exhibits a Dfb Köppen-Geiger climate classification, characterized by its humid continental properties. The region experiences a wide temperature range, with winter minima plummeting to -35°C (-31°F) in January, while summer temperatures can soar to a scorching 38°C (101°F) in July. Throughout the year, the average temperature hovers around 7°C (45°F), underscoring the stark seasonal contrasts that define Vermont's climate. This variability not only shapes the local ecosystem but also influences the lifestyle and activities of its residents throughout the year.

Vermont temperature by month

Vermont's temperature patterns reveal a distinct seasonal rhythm, marked by harsh winters and warm summers. In the winter months, January and February experience severe cold, with minimum temperatures reaching as low as -35°C (-31°F) in January and gradually improving to -29°C (-21°F) in February. As spring approaches, temperatures begin to rise, with March showing a notable shift towards milder conditions. By April, the average temperature climbs to 6°C (43°F), and May brings even warmer averages of 13°C (56°F), hinting at the impending summer. The peak of summer is characterized by high temperatures in July, where maximums can soar to 38°C (101°F), followed by slightly cooler August temperatures. As fall arrives, a cooling trend is evident, with September and October witnessing a gradual drop, culminating in the onset of winter by November, where nighttime temperatures can plummet again to around -25°C (-12°F). This cyclical pattern emphasizes Vermont's notable oscillation between extreme cold and warm seasons, shaping its unique climate.

Monthly Temperatures in Vermont, United States

The chart illustrates Vermont's temperature patterns throughout the year, with values aggregated from various locations across the region. It highlights seasonal variations and temperature changes across the months.
JanFebMarAprMayJunJulAugSepOctNovDec202330435564706861493425
Data source: Vermont temperature data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

The monthly temperature in Burlington can vary from a chilly -28°C (-18°F) in January to a warm 35°C (96°F) in June. Meanwhile, Woodstock experiences its coldest at -29°C (-21°F) in January and heats up to a maximum of 36°C (97°F) in July. Additionally, the climate in Stowe ranges from a frigid -33°C (-26°F) in January to a milder 34°C (93°F) in May. For more detailed information about the climates, visit the respective links for monthly temperature in Burlington, monthly temperature in Woodstock, and monthly temperature in Stowe.

Precipitation Patterns in Vermont

Vermont experiences a diverse precipitation pattern throughout the year, with variations largely tied to seasonal changes. Winter months such as January and February receive moderate levels of precipitation, averaging around 81 mm (3.2 in) and 85 mm (3.3 in) respectively, often falling as snow. As spring approaches, April sees a significant increase with 119 mm (4.7 in) of precipitation, reflecting the transition to wetter conditions. This trend continues into the summer months, where July emerges as the wettest month, boasting 126 mm (5.0 in) of rainfall, highlighting the peak of moisture before gradually tapering off in August.

As fall sets in, Vermont experiences increased precipitation levels once again, particularly in October, which records the highest monthly total at 146 mm (5.7 in). The pattern shows an overall tendency of around 10 to 14 days of precipitation each month, with rainfall generally distributed throughout the year, allowing for a rich and diverse landscape. Notably, September exhibits a dip in precipitation days, at just 8 days, marking a brief respite before the winter returns. This cyclical rhythm of wetter and drier periods significantly contributes to Vermont's lush vegetation and vibrant ecosystems.

Monthly Average Precipitation in Vermont, United States

The average monthly precipitation in Vermont, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec8185771199599126977614610892
Data source: Vermont precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
Choose your preferred precipitation unit

Sunshine Duration in Vermont

In Vermont, the sunshine duration varies significantly across the seasons, reflecting the transition between cold winters and warm summers. January sees only 117 hours of sunshine, which gradually increases to 156 hours in February. This upward trend becomes more pronounced in the spring, with March and April recording 228 hours and 219 hours respectively, marking a shift towards brighter days. As the state moves into the heart of summer, sunshine hours peak dramatically in June, July, and August, with July and August each boasting over 330 hours of sunshine. This three-month stretch represents the sunniest period of the year, providing ample opportunity for outdoor activities and vibrant landscapes.

As summer ebbs into fall, sunshine hours begin to decline, with September still lush with 287 hours of sunlight before the days shorten significantly in October to just 196 hours. The trend continues into the late fall and winter months, where November receives 155 hours and December drops further to 141 hours. This cyclical pattern not only highlights Vermont's seasonal contrasts but also enhances the state's picturesque scenery, where the bright summer days give way to the serene beauty of winter under a blanket of snow. The fluctuations in sunshine play a crucial role in shaping the local climate and the lifestyle of its residents throughout the year.

Monthly Sunshine in Vermont, United States

Monthly sunshine duration represents the total hours of direct sunlight Vermont receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec117h156h228h219h270h320h331h332h287h196h155h141h
Data source: Vermont sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

Vermont UV Index Trends

Vermont's UV Index (UVI) exhibits noticeable seasonal variations, reflecting the intensity of sunlight throughout the year. During the winter months, the UV Index remains relatively low, with January at 3 and December dropping to 2, indicating a lower risk of harm from unprotected sun exposure. As the year progresses into spring, the UV Index begins to rise; March sees a UVI of 6 and escalates sharply in April to 8. This increase signals the approaching summer, where caution is warranted as ultraviolet radiation becomes more intense.

The summer months are characterized by peak UV levels, with both May and June reaching a UVI of 10, presenting a significant risk for sunburn and skin damage. Even in July and August, while slightly lower at 9, the UV Index remains high, necessitating protective measures during outdoor activities. As fall approaches, the index gradually decreases, tapering to 7 in September and transitioning to 6 in October before declining to a winter level of 4 in November. This seasonal fluctuation underscores the importance of sun safety practices, particularly during the sunniest months, to mitigate the effects of increased UV exposure in Vermont.

Monthly Maximum UV Index for Vermont, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Vermont. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec34681010997642
Data source: Vermont UV Index data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

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.

Daylight Hours in Vermont

In Vermont, the daylight duration varies considerably across the seasons, markedly affecting daily life and activities. During the winter months, daylight is at its shortest, with January offering just 9 hours and December declining further to 8 hours. As February approaches, there is a slight increase to 10 hours, signaling the gradual return of longer days. This upward trend continues into spring, where by April, daylight extends to 13 hours, enhancing opportunities for outdoor pursuits and heralding the arrival of warmer weather.

The summer months are when Vermont experiences the longest daylight hours, peaking at 15 hours in both June and July. This extended daylight not only promotes vibrant outdoor communities but also facilitates agricultural activities and tourism. As summer wanes into fall, daylight begins to decrease again, dropping to 13 hours in August and dwindling to 12 hours in September. By October, daylight hours retract to 10 hours, setting the stage for the shorter days of winter. This cyclical pattern of daylight duration plays a crucial role in shaping the region's cultural and environmental rhythms throughout the year.

Average Monthly Daylight Hours in Vermont, United States

This chart shows the total daylight hours Vermont receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec558h628h717h808h885h923h902h833h746h656h576h535h
Data source: Vermont daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of Vermont's Popular Destinations

Burlington, United States, experiences diverse temperatures throughout the year, with harsh winters and warm summers. January is typically the coldest month, featuring average temperatures of -6°C (22°F), while July boasts the warmest with an average of 22°C (72°F). Precipitation peaks in October at 142 mm (5.6 in), contributing to the vibrancy of autumn foliage. Sunshine is most abundant during the summer months, peaking in July with approximately 334 hours of sunlight, while winter months receive significantly less. For more detailed information, please visit the Burlington climate.

Castleton, United States, experiences a diverse climate with significant fluctuations in temperature and precipitation throughout the year. Winter months are characterized by cold temperatures, with January seeing minimums as low as -30°C (-22°F) and an average of 79 mm (3.1 in) of precipitation. As the year progresses, temperatures rise, peaking in July with averages around 22°C (72°F) and maximums reaching up to 37°C (98°F), accompanied by considerable sunshine of 332 hours. The area receives regular rainfall, with October being notably wet with 139 mm (5.5 in) of precipitation. For further details, you can explore the Castleton climate.

Ludlow, located in the northeastern United States, experiences a diverse climate with significant seasonal variation in temperature, precipitation, and sunshine. Winters are cold, with January's average temperature of -7°C (20°F) and typical lows dropping to -31°C (-23°F), complemented by moderate snowfall averaging 78 mm (3.1 in) of precipitation. Summer months are mild to warm, with July averaging 20°C (69°F) and highs reaching 35°C (96°F), while receiving the year's highest precipitation levels of 167 mm (6.6 in). Sunshine peaks in August with 336 hours, steadily declining towards winter, where December sees just 151 hours. For a detailed climate overview of Ludlow, visit the Ludlow climate page.

Manchester, United States experiences a diverse climate throughout the year, characterized by cold winters with average temperatures as low as -6°C (21°F) in January and warm summers peaking at an average of 21°C (70°F) in July. Precipitation is relatively consistent, with the heaviest rainfall occurring in October at 153 mm (6.0 in), while July receives the most sunshine with 326 hours. Transitional seasons like spring and autumn present mild temperatures, ranging from an average of 6°C (43°F) in April to 16°C (61°F) in September, making them quite pleasant. Overall, Manchester's climate offers a wide range of conditions suitable for various outdoor activities throughout the year. To learn more, please visit the Manchester climate page.

Manchester Center, located in the United States, experiences a climate with significant seasonal variations characterized by cold winters and warm summers. During the winter months, temperatures can plummet to a frigid -29°C (-20°F) in January, while summer peaks in July with average highs reaching 35°C (96°F). The region receives a moderate amount of precipitation throughout the year, with the wettest month being October, averaging 153 mm (6.0 in) of rainfall. Sunshine is abundant in the warmer months, with July and August each offering over 320 hours of sunlight, brightening up the summer days. For more detailed information, visit the Manchester Center climate page.

Quechee, located in the United States, experiences a diverse climate with cold winters and warm summers, as demonstrated by temperature variations ranging from a frigid -30°C (-21°F) in January to a warm 36°C (96°F) in July. Precipitation is relatively evenly distributed throughout the year, with July and October seeing the highest levels at 135 mm (5.3 in) and 138 mm (5.4 in) respectively, while September is the driest month with 66 mm (2.6 in). Sunshine duration fluctuates seasonally, peaking at 336 hours in August and dipping to 132 hours in January, evidencing an increase during the warmer months. For further details on the prevailing weather conditions, visit the Quechee climate page.

Stowe, Vermont, experiences a diverse climate with cold winters and warm summers, characterized by significant temperature variations. During winter months, temperatures can drop to as low as -33°C (-26°F) in January, while summer months average a pleasant 20°C (69°F) in July. Precipitation is fairly evenly distributed throughout the year, with October seeing the highest at 165 mm (6.5 in), contrasting with September's 81 mm (3.2 in). Sunshine peaks in the summer with July offering the most daylight, with 334 hours, while winter months provide considerably less, exemplified by January's 108 hours. Learn more about the Stowe climate.

Woodstock, United States experiences a diverse climate with seasonal temperature fluctuations and varied precipitation levels. Winters are cold, with January and February averaging temperatures around -6°C (21°F) and -4°C (24°F) respectively, while peak summer months like July and August rise to average temperatures of 21°C (70°F) and 20°C (68°F). Precipitation is relatively consistent throughout the year, peaking in October with 141 mm (5.5 in) of rainfall. Sunshine hours increase gradually from the dark winter months, reaching a peak of 336 hours in August. For more detailed climate information, visit the Woodstock climate page.

Conclusion

In conclusion, Vermont's climate is characterized by its distinct seasonal variations, which influence temperature, precipitation, sunshine duration, UV Index, and daylight hours throughout the year. The harsh winters transition into vibrant summers, marked by significant changes in weather patterns that shape the landscape and the lifestyle of its residents. As the state experiences both extremes— from the cold and snow-covered months with limited daylight to the warm, sun-filled summers— residents are reminded of the importance of adapting to their environment. These climatic parameters not only contribute to Vermont's breathtaking natural beauty but also underline the necessity for attention to seasonal sun safety, outdoor activity planning, and ecological awareness, ensuring a harmonious relationship with the ever-changing landscape.

Discover the Climate of Vermont's Places

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