Climate and monthly weather forecast
South Burlington, VT

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The climate of South Burlington

South Burlington, situated in the state of Vermont, USA, is characterized by its prevailing Dfb Köppen climate classification. This signifies a humid continental type of climate with no dry season and warm summers.

Across the year, South Burlington witnesses substantial fluctuations across multiple weather parameters. Monthly average temperatures, for instance, display a wide range starting from a low of 12.4°F (-10.9°C) in January to a high of 78.1°F (25.6°C) in July. The humidity levels remain fairly consistent throughout the year, floating in the upper seventies percentile. A similar pattern emerges with visibility, remaining steady at 5 miles per month across all months.

Rainfall varies considerably from 0.87" (22mm) in February, reaching a peak of 2.09" (53mm) in June, while the number of rainy days shows a gradual increase towards the middle of the year, with the highest number of 17.3 days in June, and then a decrease. Snowfall is entirely a phenomenon of the colder months, with significant quantities dropping between November and March, reaching a maximum of 5.16" (131mm) in January.

Days of sunshine range from a low of 9.3 days in January and December to a peak of 16.4 days in September. Sunshine hours follow a trend that directly corresponds to daylight hours, with the longest durations seen in the summer months. Average wind speed fluctuates a little over the year, between 5.5mph (8.9km/h) and 7.2mph (11.6km/h).

The best time to visit South Burlington

The warmest and sunniest summer months between June and September provide the most ideal conditions for visiting South Burlington. July features the highest average temperature, 78.1°F (25.6°C), and together with August, offers extended daylight hours of 15.2 hours. Despite being the months with the highest rainfall, June and July also see increased sunshine hours, an average of 8.9 and 10.2 hours respectively, which compensates for the increased chance of rain.

The worst time to visit South Burlington

The winter months of December, January, and February would constitute the least favorable period to visit South Burlington. These months witness the lowest average temperatures, 12.4°F (-10.9°C) to 27.1°F (-2.7°C), coupled with high snowfall reaching up to 5.16" (131mm) in January. The least variables determining the desirability of travel during these months include, but not limited to, the short daylight hours (ranging from 8.9 hours to 10.5 hours), low UV index, and high cloud cover.

Spring weather in South Burlington

Spring, stretching from March to May, finds South Burlington transitioning from the cold winter towards warmer temperatures. The developing season brings with it an increase in daylight hours from 12 hours in March to 14.8 hours in May. Rainfall begins to rise during this period, peaking at 1.85" (47mm) in May, while snowfall grinds to a near halt. Sunshine hours progressively increase, offering between 4.5 hours to 8.5 hours across the spring months.

Summer weather in South Burlington

Summer months of June, July and August offer the most invigorating weather in South Burlington. Temperatures peak at 78.1°F (25.6°C) in July and gradually descend to 76.6°F (24.8°C) in August. These months are the wettest of the year but also witness the longest days, with daylight hours spanning from 15.5 hours in June to 14 hours by August. Sunshine hours are high, providing between 8.9 and 10.2 hours of sunlight per day.

Autumn weather in South Burlington

Autumn in South Burlington brings about a gradual decrease in temperatures from September to November. Daylight hours shorten from 12.5 hours to 9.6 hours in this period, and rainfall begins to decrease from a high of 1.89" (48mm) in September to 1.3" (33mm) by November. Meanwhile, sunshine hours decrease as well, transitioning from 8.9 hours in September to just 4.6 hours by November's end.

Winter weather in South Burlington

The winter months, December to February, bring forth the coldest weather in South Burlington. The temperatures during this time are low, ranging from the coldest 12.4°F (-10.9°C) in January to a high of 27.1°F (-2.7°C) in February. Snowfall is a prominent feature during these months, peaking at 5.16" (131mm) in January. Daylight and sunshine hours are at their annual minimum, reaching as low as 8.9 hours and 3 hours respectively in December. The UV index also falls to its lowest value of 1, indicating minimal ultraviolet radiation exposure.

Weather in January

Challenging winter weather arrives in South Burlington, Vermont, with January often being the month of heavy snowfall. This coincides with short days, providing approximately 9.3 hours of daylight. The mercury typically dips to significant lows, marking the coldest temperatures of the year, with averages ranging from 12.4°F (-10.9°C) to 24.6°F (-4.1°C). Weather in January »

Weather in February

As the calendar turns to February, temperatures in South Burlington show slight signs of increasing. The mercury tends to hover from 13.6°F (-10.2°C) to 27.1°F (-2.7°C), making snowfall more likely. Wrapped in heavy cloud cover, February inherits January's short days and low visibility. Weather in February »

Weather in March

March comes in like a lion with significant alterations in weather patterns in South Burlington. The temperature begins a steady climb, ranging between 21.9°F (-5.6°C) and 36.1°F (2.3°C). Sunlight graces the area for approximately 12 hours, making days longer. Weather in March »

Weather in April

Spring finally arrives in South Burlington in April, bringing with it a flurry of weather changes. The temperature sees a significant rise and swings grandly from 33.4°F (0.8°C) to 49.8°F (9.9°C). Snowfall becomes a rare spectacle with only 1.81" (46mm) recorded. Weather in April »

Weather in May

May gets ushered in on a wave of transformation, signaling confirmatory changes in the weather of South Burlington. With temperatures shifting from 45°F (7.2°C) to 64.9°F (18.3°C), winter’s chill becomes a distant memory. The daylight hours top the hour scale, providing the city with approximately 14.8 hours of daylight. Weather in May »

Weather in June

June sees the start of a sunny spell for South Burlington, with an extra sprinkle of summer warmth. Temperatures begin to dance around the summer spectrum, stretching from 51.4°F (10.8°C) to 71.6°F (22°C). Clear skies become a more frequent sight, reducing cloud cover down to 44%. Weather in June »

Weather in July

July hosts some of the highest temperatures and profound changes on the weather front for South Burlington. The city braces for a sweltering month, with ranges from 57.6°F (14.2°C) to a scorching 78.1°F (25.6°C). Despite the heat, the prevalence of cloud cover drops remarkably to 35%. Weather in July »

Weather in August

Traditionally the hottest month, August in South Burlington stays true to its reputation. Temperatures fluctuate from 56.1°F (13.4°C) to 76.6°F (24.8°C) across the city, giving life to an atmosphere of exceedingly warm weather. Weather in August »

Weather in September

As summer fades and autumn ushers in, South Burlington's weather in September takes a slight turn for the cooler. The high temperature dwindles, oscillating between 49.3°F (9.6°C) and 69.1°F (20.6°C). The town witnesses a drop in daylight hours, retreated to a more manageable 12.5 hours. Weather in September »

Weather in October

October is a transitional period in South Burlington's annual weather journey. The average temperatures slide from 41.2°F (5.1°C) to 55.4°F (13°C), bringing an end to the heat of summer. The city, wrapped in approximately 11 hours of daylight, witnesses a drop in UV index. Weather in October »

Weather in November

November in South Burlington brings the return of cold weather patterns with shorter days and lower temperatures. The city experiences a sharp drop in the temperature scale, registering between 29.7°F (-1.3°C) and 41.7°F (5.4°C). Weather in November »

Weather in December

December delivers a full-on winter show in South Burlington, with temperatures sinking to yearly lows. The city shudders in the cold, with the mercury dropping from 20.3°F (-6.5°C) to 30.4°F (-0.9°C). Snowfall is a common sight in December, adorning the city in a blanket of white. Weather in December »
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Frequently asked questions

What are the coldest months in South Burlington?

In South Burlington, January records the average lowest temperatures, peaking at 24.6°F (-4.1°C) and reaching a low of 12.4°F (-10.9°C).

How many days does it rain in South Burlington?

In South Burlington, Vermont, during the entire year, the rain falls for 153.4 days and collects up to 17.01" (432mm) of precipitation.

When does it snow in South Burlington?

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

When does it snow the most in South Burlington?

January is the month with the most snowfall in South Burlington, Vermont. Snow falls for 19.8 days and accumulates 5.16" (131mm) of snow.

How much does it snow in South Burlington?

In South Burlington, Vermont, during the entire year, snow falls for 87.7 days and aggregates up to 22.64" (575mm) of snow.

What is the month with the least sunshine in South Burlington?

The months with the least sunshine are January and February, with an average of 3h of sunshine.

What is the month with the lowest UV index in South Burlington?

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

What is the most humid month in South Burlington?

The most humid month is February, with an average relative humidity of 87%.

What is the driest month in South Burlington?

February is the month with the least rainfall in South Burlington. Rain falls for 8.2 days and accumulates 0.87" (22mm) of precipitation.

When is Daylight Saving Time (DST) in South Burlington?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in South Burlington, 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 in South Burlington?

The least humid month in South Burlington is May, with an average relative humidity of 75%.

What are the months with the highest UV index in South Burlington?

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

What is the wettest month in South Burlington?

June is the month with the most rainfall in South Burlington. Rain falls for 17.3 days and accumulates 2.09" (53mm) of precipitation.

When it does not snow in South Burlington?

June through September are months without snowfall.

When are the longest days in South Burlington?

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

What are the warmest months in South Burlington?

During the warmest month in South Burlington, July, temperatures average a high of 78.1°F (25.6°C) and a low of 57.6°F (14.2°C).

What month has the most sunshine in South Burlington?

The month with the most sunshine in South Burlington is July, with an average of 10.2h of sunshine.

What is the month with the shortest days in South Burlington?

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

Average temperature
South Burlington, VT

Average temperature - South Burlington, VT

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (24.6°F).

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

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Average pressure
South Burlington, VT

Average pressure - South Burlington, 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).

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Average wind speed
South Burlington, VT

Average wind speed - South Burlington, VT

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity
South Burlington, VT

Average humidity - South Burlington, VT

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (75%).

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Average rainfall
South Burlington, VT

Average rainfall - South Burlington, VT

The wettest month (with the highest rainfall) is June (2.09").
The driest month (with the least rainfall) is February (0.87").

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Average rainfall days
South Burlington, VT

Average rainfall days - South Burlington, VT

The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is January (7.4 days).

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Average snowfall
South Burlington, VT

Average snowfall - South Burlington, VT

The month with the highest snowfall is January (5.16").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
South Burlington, VT

Average snowfall days - South Burlington, VT

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

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Average daylight / Average sunshine
South Burlington, VT

Average daylight / Average sunshine - South Burlington, 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 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 0min).

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Average sunshine days
South Burlington, VT

Average sunshine days - South Burlington, VT

The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (7.3 days).

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Average UV index
South Burlington, VT

Average UV index - South Burlington, 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).

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Average cloud cover
South Burlington, VT

Average cloud cover - South Burlington, VT

The month with the most cloud cover is February (Cloud cover 70).
The months with the least cloud cover are July, August and September (Cloud cover 35).

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Average visibility
South Burlington, VT

Average visibility - South Burlington, VT

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

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South Burlington, Vermont, USA

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