Climate and monthly weather forecast
Winooski, VT

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The climate of Winooski

Recognized under the Köppen climate classification as Dfb, the city of Winooski, Vermont, experiences a humid continental climate with no dry season and a warm summer. Situated in the northeastern United States, precisely in the state of Vermont, Winooski's geographical location directly influences its prevalent weather conditions.

Throughout the year, the city's weather parameters exhibit significant variations. The highest average monthly temperatures vary from 24.6°F (-4.1°C) in January to a peak of 78.1°F (25.6°C) in July, before reducing to 30.4°F (-0.9°C) in December. Similarly, the lowest temperatures experience a similar trend, with January averaging at 12.4°F (-10.9°C), July at 57.6°F (14.2°C), and a reduction to 20.3°F (-6.5°C) by December.

Humidity levels in Winooski range between 75% in May and 87% in February, indicating a rather humid atmosphere all year round. Rainfall varies from month to month, with the lowest average precipitation of 0.87" (22mm) recorded in February and the highest of 2.09" (53mm) in June. From the data, Winooski gets maximum sunshine hours of 10.2 in July and a minimum of 3 in January.

Unique weather patterns present in the city include significant snowfall during winter, particularly from December to February with 3.43" (87mm), 5.16" (131mm), and 4.06" (103mm) respectively. On the other hand, there is no recorded snowfall from June to September.

The best time to visit Winooski

Determining the best time to visit Winooski depends largely on the activities one desires to engage in. For those keen on enjoying warm weather, the months of June to August offer the highest temperatures with averages ranging from 71.6°F (22°C) to 78.1°F (25.6°C). Additionally, these months experience extended daylight hours, reaching up to 15.5 hours in June, making them ideal for outdoor exploration.

The worst time to visit Winooski

Unless visitors are enthusiastic about cold weather and snow activities, the period from December to February can be challenging due to cold temperatures and significant snowfall. Temperatures during this period frequently fall below freezing, with average monthly highs varying from 24.6°F (-4.1°C) to 36.1°F (2.3°C) and lows between 12.4°F (-10.9°C) and 21.9°F (-5.6°C).

Spring weather in Winooski

Spring in Winooski, observed from March to May, introduces gradually rising temperatures marking the transition from winter. March sees a high of 36.1°F (2.3°C) and low of 21.9°F (-5.6°C), and by May, these increase to highs of 64.9°F (18.3°C) and lows of 45°F (7.2°C). Rainfall during this period is moderate, with an average of 1.14" (29mm) to 1.85" (47mm).

Summer weather in Winooski

June marks the onset of summer in Winooski, lasting till August. Temperature highs peak around 78.1°F (25.6°C) in July while the lows remain comfortably above 50°F (10°C) throughout. Months of plentiful sunshine and increased daylight hours up to 15.5 hours characterize summer in Winooski. Rainfall peaks in June at 2.09" (53mm) but decreases to 1.65" (42mm) by July.

Autumn weather in Winooski

Autumn, extending from September to November, heralds the onset of cooler temperatures. September experiences a high of 69.1°F (20.6°C) and a low of 49.3°F (9.6°C). By November, these decrease to a high of 41.7°F (5.4°C) and a low of 29.7°F (-1.3°C). Rainfall is fairly consistent with 1.18" (30mm) in September and 1.3" (33mm) in November.

Winter weather in Winooski

December ushers in the winter season in Winooski, characterized by chilly temperatures and significant snowfall. December records a high of 30.4°F (-0.9°C) and a low of 20.3°F (-6.5°C). Snowfall in December amounts to 3.43" (87mm) enhancing the winter charm of the city. The short daylight hours, reaching a minimum of 8.9 hours in December, further contribute to the distinct winter ambience.

Weather in January

January in Winooski, Vermont, is often cloudy with temperatures somewhat chillier than in other months, producing an average high of 24.6°F (-4.1°C). Snowfall is quite frequent, giving the city a quiet, wintery wonderland feel. Weather in January »

Weather in February

In comparison to the cold temperatures of January, though still in the winter season, February offers a tad bit more warmth in Winooski. With minimal shifts in manner, the weather patterns of this month closely resemble those of its predecessor. Weather in February »

Weather in March

The dense winter atmosphere begins to give way to early spring in March, with a considerable temperature leap to 36.1°F (2.3°C) as the highest average. More sunshine hours dominate, and with diminishing snowfall, outdoor activities take a more versative angle. Weather in March »

Weather in April

April marks a clear departure from the winter cold, ushering in spring's warmth as the high temperature average surges to a balmy 49.8°F (9.9°C). The retreating snowfall paves the way for the spring flora to thrive in the increased daylight hours. Weather in April »

Weather in May

In Winooski, May paints an ideal image of spring, with a sizable rise in average high temperatures, peaking at 64.9°F (18.3°C). The surplus daylight allows spring flowers to bloom in glorious color, lending the city a fresh, vibrant feel. Weather in May »

Weather in June

June steps in bearing warmer temperatures and more daylight, signifying the start of summer in Winooski, Vermont. The city basks in the summer glory as residents engage in a variety of outdoor activities. The longer days and warmer climate seem to pull people off their couches and outside to soak up the sun's rays. Weather in June »

Weather in July

July crowns itself as the warmest month in Winooski with a scorching peak in average temperatures seeing 78.1°F (25.6°C). The ample sunshine and long summer days make it ideal for outdoor recreational activities. Popular summertime happenings, such as cookouts, pool parties and picnics, animate the city. Weather in July »

Weather in August

Within just a slight dip in high temperatures to 76.6°F (24.8°C), the August weather in Winooski offers a continuation of July's summertime appeal. While the temperature may taper off slightly, it is hardly noticeable to most residents and does not deter outdoor activities. Weather in August »

Weather in September

September in Winooski heralds the arrival of fall with marginally cooler temperatures and shorter daylight hours. The cityscape gradually takes on hues of amber and red as leaves begin to change color. As the temperature drops to an average high of 69.1°F (20.6°C), residents start to pull out their comfy sweaters and warm beverages. Weather in September »

Weather in October

October's arrival intensifies the autumnal spirit within Winooski, donning the city with vibrant foliage and cooler temperatures. The crisp morning air and Carolina blue skies are clear signs of the seasonal shift. Farm visits for pumpkin picking become a typical weekend pastime amongst families. Weather in October »

Weather in November

November shifts the weather paradigm in Winooski, with the chill in the air becoming more pronounced. Winter preparations go into overdrive as thermal wear becomes the clothing norm. Daylight hours dwindle, hinting at the approaching shortest days of the year. Weather in November »

Weather in December

Winter firmly takes hold over Winooski, bringing snowfall, shorter days, and during December, the mercury plunges to the lowest average high temperature at 30.4°F (-0.9°C). Snow-covered landscapes and twinkling holiday decorations are amongst the delightful elements that add to the city's festive charm. Weather in December »
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Frequently asked questions

What time of the year is the coldest in Winooski?

Winooski's coldest month, January, generally records average temperatures ranging from a high of 24.6°F (-4.1°C) to a low of 12.4°F (-10.9°C).

How much does it rain in Winooski?

Throughout the year, in Winooski, there are 153.4 rainfall days, and 17.01" (432mm) of precipitation is accumulated.

When does it snow in Winooski?

January through May, October through December are months with snowfall in Winooski.

When does it snow the most in Winooski?

The month with the most snowfall in Winooski is January, when snow falls for 19.8 days and typically aggregates up to 5.16" (131mm) of snow.

How much does it snow in Winooski?

Throughout the year, there are 87.7 snowfall days, and 22.64" (575mm) of snow is accumulated.

What is the month with the least sunshine in Winooski?

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 Winooski?

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

What is the most humid month in Winooski?

February is the most humid month in Winooski, with an average relative humidity of 87%.

What is the driest month in Winooski?

The month with the least rainfall is February, when the rain falls for 8.2 days and typically collects 0.87" (22mm) of precipitation.

When is Daylight Saving Time (DST) in Winooski?

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

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

When is the highest UV index in Winooski?

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

What is the wettest month in Winooski?

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

When it does not snow in Winooski?

In Winooski, snow does not fall in June through September.

When are the longest days in Winooski?

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

What is the warmest month in Winooski?

In Winooski, Vermont, the average temperatures in July are the highest, with a peak at 78.1°F (25.6°C) and a low of 57.6°F (14.2°C).

What month has the most sunshine in Winooski?

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

What is the month with the shortest days in Winooski?

With an average of 8h and 54min of daylight, December has the shortest days of the year.

Average temperature
Winooski, VT

Average temperature - Winooski, 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
Winooski, VT

Average pressure - Winooski, 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
Winooski, VT

Average wind speed - Winooski, 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 rainfall
Winooski, VT

Average rainfall - Winooski, 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
Winooski, VT

Average rainfall days - Winooski, 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
Winooski, VT

Average snowfall - Winooski, 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
Winooski, VT

Average snowfall days - Winooski, 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
Winooski, VT

Average daylight / Average sunshine - Winooski, 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
Winooski, VT

Average sunshine days - Winooski, 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
Winooski, VT

Average UV index - Winooski, 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 visibility
Winooski, VT

Average visibility - Winooski, 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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Winooski, Vermont, USA

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