Climate and monthly weather forecastSouth Burlington, VT
Climate and monthly weather forecast
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 »Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
South Burlington's January weather, with an average high temperature of 24.6°F (-4.1°C) and an average low temperature of 12.4°F (-10.9°C), tends to be the coldest of the year.
Throughout the year, there are 153.4 rainfall days, and 17.01" (432mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
The month with the most snowfall is January, when snow falls for 19.8 days and typically aggregates up to 5.16" (131mm) of snow.
In South Burlington, Vermont, during the entire year, snow falls for 87.7 days and aggregates up to 22.64" (575mm) of snow.
The months with the least sunshine are January and February, with an average of 3h of sunshine.
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
With an average relative humidity of 87%, February is the most humid month.
The month with the least rainfall is February, when the rain falls for 8.2 days and typically collects 0.87" (22mm) of precipitation.
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.
May is the least humid month, with an average relative humidity of 75%.
The months with the highest UV index are May through August, with an average maximum UV index of 5.
The month with the most rainfall is June, when the rain falls for 17.3 days and typically aggregates up to 2.09" (53mm) of precipitation.
June through September are months without snowfall.
The month with the longest days in South Burlington is June, with an average of 15h and 30min of daylight.
South Burlington reaches its average highest temperatures in July, measuring 78.1°F (25.6°C) at the peak and 57.6°F (14.2°C) at the lowest.
The month with the most sunshine in South Burlington is July, with an average of 10.2h of sunshine.
With an average of 8h and 54min of daylight, December has the shortest days of the year.
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).
Average pressure
South Burlington, VT
- Average pressure in January:
30.02"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.04"Hg
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
South Burlington, VT
- Average wind speed in January:
7.2mph - Average wind speed in February:
7mph - Average wind speed in March:
7.1mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.6mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7mph - Average wind speed in December:
7mph
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).
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%).
Average rainfall
South Burlington, VT
- Average rainfall in January:
1.06" - Average rainfall in February:
0.87" - Average rainfall in March:
1.14" - Average rainfall in April:
1.34" - Average rainfall in May:
1.85" - Average rainfall in June:
2.09"
The wettest month (with the highest rainfall) is June (2.09").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days
South Burlington, VT
- Average rainfall days in January:
7.4 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
16.1 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
15.6 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
13.8 days - Average rainfall days in November:
9.6 days - Average rainfall days in December:
10.5 days
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).
Average snowfall
South Burlington, VT
- Average snowfall in January:
5.16" - Average snowfall in February:
4.06" - Average snowfall in March:
3.5" - Average snowfall in April:
1.81" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is January (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
South Burlington, VT
- Average snowfall days in January:
19.8 days - Average snowfall days in February:
19.8 days - Average snowfall days in March:
14.4 days - Average snowfall days in April:
5.7 days - Average snowfall days in May:
0.8 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.7 days - Average snowfall days in November:
8.2 days - Average snowfall days in December:
17.3 days
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).
Average daylight / Average sunshine
South Burlington, VT
- Average daylight in January:
9h and 18min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 30min
- Average daylight in July:
15h and 6min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
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).
- Average sunshine in January:
3h and 0min - Average sunshine in February:
3h and 0min - Average sunshine in March:
4h and 30min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 30min - Average sunshine in June:
8h and 54min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 36min - Average sunshine in December:
3h and 24min
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).
Average sunshine days
South Burlington, VT
- Average sunshine days in January:
9.3 days - Average sunshine days in February:
7.3 days - Average sunshine days in March:
9.3 days - Average sunshine days in April:
9.8 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
11 days
- Average sunshine days in July:
12.5 days - Average sunshine days in August:
12.6 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
13.7 days - Average sunshine days in November:
13.9 days - Average sunshine days in December:
9.3 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (7.3 days).
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).
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).
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).
