Climate and monthly weather forecast
Vergennes, VT

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The climate of Vergennes

Vergennes, Vermont, USA is dictated by the Köppen climate classification Dfb, marked by a humid continental climate with no dry season but a warm summer. Located within the northern region of the United States, this city lies within the temperate zone receiving varying weather patterns throughout the year.

Throughout the year, temperatures rise from the low 12.2°F (-11°C) in January to peak at 78.8°F (26°C) in July before declining again. Hence, the annual climate journey witnesses a considerable warming and cooling period. In terms of relative humidity, the air moisture appears relatively constant, oscillating mostly between 75% and 86%, slightly dropping during the spring season.

Monthly average rainfall ranges from 1.65" (42mm) in January and February up to 2.95" (75mm) during June. The year also brings snow falling from 7.91" (201mm) in January to virtually no snowfall from June to October. The city's daylight hours extend from 9.3 hours in January to a maximum of 15.5 hours in June, offering lengthy sunny days during the mid-year period.

Unique weather patterns in Vergennes include the month of June hosting the highest rainfall and maximum daylight hours concurrently. In contrast, January is notable for its highest snowfall and lowest daylight hours.

The best time to visit Vergennes

Considering the weather trends in Vergennes, the period from May to September proves ideal for a visit. During these months, the city experiences typical daytime temperatures ranging between 65.3°F (18.5°C) and 76.8°F (24.9°C). With the relative humidity down to 75%, the climate is considerably drier than the rest of the year. Furthermore, daytime extends from 14.8 hours to 14 hours during these months, giving visitors an extended period to enjoy the city’s attractions.

The worst time to visit Vergennes

Planning a trip to Vergennes might turn discouraging between January and March. The winter chill with temperatures falling to lows between 12.2°F (-11°C) to 22.3°F (-5.4°C) serves as a deterrent to most visitors. Doubling down on the discomfort is the elevated humidity levels of 86% in January and February, making the chill more biting. Additionally, with daylight hours reduced to a yearly low of 9.3 hours in January, outdoor activities tend to be restrained.

Spring weather in Vergennes

Spring in Vergennes unfolds from March to May, taking the temperature from a mild 36.5°F (2.5°C) in March to a comfortable 65.3°F (18.5°C) in May. Rainfall peaks at 2.48" (63mm) in May, making the environment remarkably fresh and vibrant. During these months, daylight hours increase progressively from 12 hours in March to 14.8 hours in May, offering more sunshine to locals and visitors alike.

Summer weather in Vergennes

Vergennes experiences summer between June and August, with the average temperatures maintaining between 72.1°F (22.3°C) to 78.8°F (26°C). Despite the peak rainfall of 2.95" (75mm) in June, humidity levels average around 78%, making summers more bearable. The length of daylight during this season is at its peak, providing ample hours of sun for outdoor enjoyment.

Autumn weather in Vergennes

During Autumn, spanning from September to November, Vergennes witnesses a gradual cooldown from 69.3°F (20.7°C) in September to 41.7°F (5.4°C) in November. Rainfall measures gather momentum to touch 2.6" (66mm) in October, making roads a bit slick. The shortening daylight hours from 12.5 hours in September to just 9.6 hours by November signal the impending winter.

Winter weather in Vergennes

Winter casts its chill from December till February in Vergennes, characterized by temperatures plummeting from 30.7°F (-0.7°C) in December to the year’s low of 12.2°F (-11°C) in January. While average snowfall measures between 5.91" (150mm) in December to 7.91" (201mm) in January, sufficient winter gear is recommended. With daylight hours resting between 8.9 hours and 9.3 hours, early sundown is a common winter feature in Vergennes.

Weather in January

January brings the first flush of winter in Vergennes, Vermont. Maintaining high humidity levels, January doesn't comprise much of a change from the season's commencement in December. However, the snowfall heightens, reaching peak values with an average of 7.91" (201mm). Weather in January »

Weather in February

The winter in February in Vergennes continues from January, with an escalation in temperature. Even though the snowfall decreases, the layers of snow on the ground persist and keep the ambiance cool. As a minor relief from the biting cold, the daylight extends a bit, hinting toward the arrival of brighter days ahead. Weather in February »

Weather in March

As the city steps into March, the weather in Vergennes sees a gradual shift. Standout temperatures are noted to rise significantly to an average of 36.5°F (2.5°C). The precipitation, humidity, and snowfall decline, indicating the arrival of spring. Weather in March »

Weather in April

April welcomes Vergennes residents to usher in a springtime burst of warmth. With drier air and less snowfall, the surroundings turn pleasantly vibrant with blooming flowers and greener landscapes. A notable rise to approximately 50.7°F (10.4°C) in temperature suggests the firm steps of spring. Weather in April »

Weather in May

May marks the beginning of summer in Vergennes, with a substantial leap in temperature. Though the city receives moderate rainfall, it is not enough to dampen the summery feel that bathe the city. Light breezes that blow across Vergennes add a cooling touch to the sunny afternoons. Weather in May »

Weather in June

June witnesses definitive summer characteristics in Vergennes's weather. Despite consistent rainfall, the temperature rise is persistent, reaching an average of 72.1°F (22.3°C). With the UV index at 5, the days can be a little harsh on the skin. Weather in June »

Weather in July

July hits the top notes of summer in Vergennes with temperatures peaking at an average maximum of 78.8°F (26°C). Given the longer days, outdoor activities, and excursions are encouraged. Rainfall stays moderate, ensuring the weather does not turn too dry. Weather in July »

Weather in August

August starts with similar weather patterns as July in Vergennes but witnesses a drop in temperature. The city continues to bask in the summer sun, with a slight decline in sunshine hours. Rainfall remains consistent, preventing the weather from turning overly parched. Weather in August »

Weather in September

Entering into September, Vergennes experiences the first hints of fall. The temperature starts to fall, averaging round 69.3°F (20.7°C), and the days begin to shorten. Touches of autumn start appearing with leaves turning yellow and orange. Weather in September »

Weather in October

In October, autumn settles in Vergennes. Vergennes's October weather is characterized by cooler temperatures. The city gets draped in a multicolored blanket, courtesy of autumnal leaves. Rainfall spikes slightly, the highest being 2.6" (66mm), painting the city in vibrant hues. Weather in October »

Weather in November

November marks the shift towards winter in Vergennes. As the temperatures drop to an average of 41.7°F (5.4°C), snowfall comes into play with an average of 4.76" (121mm). Shorter days and reduced sunshine hours further advance the winter feel. Weather in November »

Weather in December

December welcomes the first traces of winter in Vergennes. As temperatures drop further to an average of 30.7°F (-0.7°C), snowfall continues to rise. The days get shorter, and sunshine hours reduce, brightening only for a small span of the day. Weather in December »
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

January, marked by an average high-temperature of 24.8°F (-4°C) and a low-temperature of 12.2°F (-11°C), is the coldest month.

What is the most humid month?

January and February, with an average relative humidity of 86%, are most humid months.

What is the driest month in Vergennes?

January and February are months with the least rain when the rain falls for 9.3 days and typically aggregates up to 1.65" (42mm) of rain.

How many days does it rain in Vergennes?

Throughout the year, there are 174 rainfall days, and 26.06" (662mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through May, October through December.

How much does it snow?

In Vergennes, during the entire year, snow falls for 81.5 days and aggregates up to 36.02" (915mm) of snow.

What is the month with the lowest UV index?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

When does it snow the most?

The month with the most snowfall is February, when snow falls for 18.5 days and typically aggregates up to 8.5" (216mm) of snow.

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 3.4h of sunshine.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month?

April and May, with an average relative humidity of 75%, are the least humid months.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

What is the rainiest month?

The month with the most rainfall is June, when the rain falls for 17.8 days and typically aggregates up to 2.95" (75mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

With an average of 15h and 30min of daylight, June has the longest days of the year in Vergennes, Vermont.

What month is the hottest?

In Vergennes, the average highest temperatures are observed in July, with a high of 78.8°F (26°C) and a low of 57°F (13.9°C).

What month has the most sunshine?

With an average of 10.3h of sunshine, July has the most sunshine of the year in Vergennes.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 54min of daylight.

Average temperature
Vergennes, VT

Average temperature - Vergennes, VT

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (24.8°F).

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

Average pressure
Vergennes, VT

Average pressure - Vergennes, VT

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Vergennes, VT

Average wind speed - Vergennes, VT

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity
Vergennes, VT

Average humidity - Vergennes, VT

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).

Average rainfall
Vergennes, VT

Average rainfall - Vergennes, VT

The wettest month (with the highest rainfall) is June (2.95").
The driest months (with the least rainfall) are January and February (1.65").

Average rainfall days
Vergennes, VT

Average rainfall days - Vergennes, VT

The month with the highest number of rainy days is April (18.4 days).
The month with the least rainy days is January (9.3 days).

Average snowfall
Vergennes, VT

Average snowfall - Vergennes, VT

The month with the highest snowfall is February (8.5").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Vergennes, VT

Average snowfall days - Vergennes, VT

The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Vergennes, VT

Average daylight / Average sunshine - Vergennes, VT

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).

Average sunshine days
Vergennes, VT

Average sunshine days - Vergennes, VT

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (7 days).

Average UV index
Vergennes, VT

Average UV index - Vergennes, VT

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Vergennes, Vermont, USA

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