Climate and monthly weather forecast
Colchester, VT

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The climate of Colchester

Colchester, Vermont, USA, falls in the Köppen climate classification as a Dfb climate. This type of environment signifies a humid continental climate, no dry season, and a warm summer. This Vermont town experiences incurring alterations in temperatures and precipitation levels all year round.

Temperature peaks hover between 24.6°F (-4.1°C) in January to 78.1°F (25.6°C) in July, ranging from brutally cold winters to pleasantly warm summers. The lowest temperatures are marked from 12.4°F (-10.9°C) in January to 57.6°F (14.2°C) in July. Colchester sees a distinctive division in its seasons, predominantly affected by its inland position, surrounded by land mass.

Relative humidity remains consistent throughout the months, from a low of 75% in May to a high of 87% in February. Seeing minor fluctuations in humidity, this atmospheric moisture aids in enhancing the overall temperate sensation.

On the precipitation front, rainfall days show variations from 7.4 days in January to a high of 17.3 days in June. The amount of rainfall experienced remains relatively steady but sees a slightly increased uptick in May with 2.09" (53mm) of rainfall. However, precipitation is not limited to just rain, with snowfall reaching up to 5.16" (131mm) in January and peaking at 19.8 days of snowfall both in January and February.

Among the unique weather patterns experienced in Colchester is the daylight hours variation from a low of 9.3 hours in January to a high of 15.5 hours in June, which significantly impacts the locals' daily routines and leisure activities.

The best time to visit Colchester

The ideal time to visit Colchester lies between May and September, corresponding with the warmest months. This period sees average high temperatures ranging from 64.9°F (18.3°C) to 78.1°F (25.6°C), encouraging outdoor exploration. The lowest rainfall of 1.18" (30mm) occurs in September, reducing the chance of travel disruptions.

Tourists can also enjoy the longest daylight hours peaking at 15.5 hours in June. Enjoying bright blue skies, those travelling during this period can experience the tranquillity and beauty of the sun setting as late as 9 pm during June, providing an extended day for sightseeing.

The worst time to visit Colchester

Winter months, particularly January to March, may not be conducive for travel due to harsh weather conditions. Temperature lows drop to 12.4°F (-10.9°C) in January and snowfall rises to 5.16" (131mm), restricting outdoor activities. Adding to the woes, the region witnesses only 9.3 daylight hours in January, reducing the window for sighting endeavors.

Spring weather in Colchester

Spring in Colchester is marked by temperature highs scaling up from 36.1°F (2.3°C) in March to 64.9°F (18.3°C) in May and lows raising from 21.9°F (-5.6°C) to 45°F (7.2°C) for the same period. The daylight hours increase from 12 hours in March to 14.8 hours in May.

However, rainfall also increases during this period, peaking in May with 1.85" (47mm) and 16.1 days of rainfall. Spring sees a transition from snowfall to rain as warmer temperatures set in.

Summer weather in Colchester

Summer marks the warmest period in Colchester. The months from June to August see temperatures peak from 71.6°F (22°C) to 78.1°F (25.6°C), and the lows varying from 51.4°F (10.8°C) to 57.6°F (14.2°C). June holds the highest number of daylight hours at 15.5 hours, gradually decreasing over the following months.

Rainfall reaches its high in June at 2.09" (53mm) and tapers down to 1.89" (48mm) in August. Sunshine duration is at its maximum during these months, with an average of 8.9 hours of sunshine in June, scaling as high as 10.2 hours in July before declining slightly to 10.1 hours in August.

Autumn weather in Colchester

Autumn in Colchester registers a gradual dip in temperatures, from 69.1°F (20.6°C) to 41.7°F (5.4°C) in high temperatures and 49.3°F (9.6°C) to 29.7°F (-1.3°C) in low temperatures, from September to November. The number of daylight hours decreases from 12.5 hours in September to a low of 9.6 hours in November.

Rainfall drops to 1.18" (30mm) in September and gradually ascends to 1.3" (33mm) by November. September also marks the onset of an extended period with no snowfall, making it still a feasible time to visit and explore the outdoor beauty of the region.

Winter weather in Colchester

Winter is the coldest season in Colchester, with the lowest temperature dropping to 12°F (-11.1°C) in January, and the highest temperature reaching 30.4°F (-0.9°C) by December. This period from December to February is characterized by substantial snowfall, with 5.16" (131mm) in January and an extended period of snowfall days.

The number of daylight hours lies at its lowest during this season, from 9.6 hours in December to 8.9 hours in February. Despite the harsh conditions, the snow-covered landscape offers a unique beauty, drawing in visitors interested in winter sports.

Weather in January

January in Colchester, Vermont brings chilly temperatures, blanketing the city in a winter wonderland. With high temperatures hovering around 24.6°F (-4.1°C) and lows around 12.4°F (-10.9°C), it is essential to bundle up. Across the Vermont landscape, blankets of snow fall averaging about 5.16" (131mm) throughout the month. Weather in January »

Weather in February

In the heart of winter, February maintains a steadfast, cold climate. Despite the continuation of cold temperatures, this month is observed to be slightly warmer than January. The city receives less snowfall in comparison to January, marking a subtle transition towards the onset of spring. Weather in February »

Weather in March

Though still below freezing, March in Colchester, Vermont tends to be warmer, with high temperatures of 36.1°F (2.3°C) and low temperatures of 21.9°F (-5.6°C). This month indicates the arrival of spring when bulbous flowers like daffodils and crocuses start peeking out from the melting snow. Weather in March »

Weather in April

Stepping into April, one can anticipate the idyllic spring weather in Colchester, Vermont. A significant rise in temperature is notable between March and April, with the city experiencing fewer snowfall days. Flowers are in full bloom, transforming Colchester into a picturesque landscape. Weather in April »

Weather in May

May is a beautiful time in Colchester, Vermont, with the city fully embracing spring. A significant difference is observed between the high and low temperatures, a reflection of the seasonal transition. This is when the last traces of snow disappear, and rainfall begins to steadily increase. Weather in May »

Weather in June

June paves the way for summer in Colchester. It serves as a bridge between the beautiful spring season and the scorching summer, offering the best of both. Trouble-free weather is expected, offering unspoiled summer outdoor fun. Rainfall enhances the lush green landscapes of Colchester, with the city enjoying a pleasant surge in temperature. Weather in June »

Weather in July

While the country celebrates Independence Day, July graces Colchester, Vermont with its warmest weather. With high temperatures of 78.1°F (25.6°C) and lows of 57.6°F (14.2°C), the city experiences the peak of summer. Despite high temperatures, the city’s weather remains comfortable, unlike the oppressive heat observed in other parts of the country. Weather in July »

Weather in August

As one of the summer months, August extends the warm spell in Colchester. The temperatures remain relatively similar to that of July, indicating the continuation of pleasant summer weather. Colchester’s landscapes radiate under the ample sunlight, with greenery dominating the city's aesthetics. Weather in August »

Weather in September

As autumn sets in, September in Colchester, Vermont transitions the weather from warm summer days to cooler temperatures. It's characterized by falling temperatures symbolizing the end of the summer. Residents begin to observe the leaves changing color, initiating the famous Vermont fall foliage. Weather in September »

Weather in October

October in Colchester illustrates a beautifully shifting canvas, showcasing Vermont's iconic autumn scenery. The city starts preparing for the approaching winter. Less rainfall is observed in comparison to September, ensuring clear, sunny days perfect for soaking in the autumn atmosphere. Weather in October »

Weather in November

November means a shift towards wintry weather in Colchester, Vermont. The changing landscape prepares Colchester for its winter expanse, with temperatures falling considerably from October. The bare trees and the first snowflakes serve as a familiar predecessor to the winter chill. Weather in November »

Weather in December

Closing the year with a cold note, December paints Colchester, Vermont in a snowy white. A significant drop in high temperatures to 30.4°F (-0.9°C) is noticed from November, asserting the arrival of intense winter. The first heavy snowfall of the season transforms the city into a winter wonderland. Weather in December »
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Frequently asked questions

What are the coldest months in Colchester?

Colchester's coldest weather arrives in January, when temperatures average a high of 24.6°F (-4.1°C) and a low of 12.4°F (-10.9°C).

How much does it rain in Colchester?

In Colchester, 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 Colchester?

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

When does it snow the most in Colchester?

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.

How much does it snow in Colchester?

In Colchester, 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 Colchester?

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

What are the months with the lowest UV index in Colchester?

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

What is the most humid month in Colchester?

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

What is the driest month in Colchester?

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 Colchester?

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

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

What are the months with the highest UV index in Colchester?

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

What is the wettest month in Colchester?

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.

When it does not snow in Colchester?

In Colchester, Vermont, snow does not fall in June through September.

When are the longest days in Colchester?

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

What time of the year is the hottest in Colchester?

Colchester's temperatures peak on average in July, reaching 78.1°F (25.6°C) at their highest and 57.6°F (14.2°C) at their lowest.

What month has the most sunshine in Colchester?

July has the most sunshine of the year, with an average of 10.2h of sunshine.

What is the month with the shortest days in Colchester?

With an average of 8h and 54min of daylight, December has the shortest days of the year.
Today
Tomorrow
Long-term
YearJFMAMJJASOND

Average temperature
Colchester, VT

Average temperature - Colchester, 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
Colchester, VT

Average pressure - Colchester, 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
Colchester, VT

Average wind speed - Colchester, 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
Colchester, VT

Average humidity - Colchester, 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
Colchester, VT

Average rainfall - Colchester, 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
Colchester, VT

Average rainfall days - Colchester, 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
Colchester, VT

Average snowfall - Colchester, 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
Colchester, VT

Average snowfall days - Colchester, 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
Colchester, VT

Average daylight / Average sunshine - Colchester, 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
Colchester, VT

Average sunshine days - Colchester, 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
Colchester, VT

Average UV index - Colchester, 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
Colchester, VT

Average cloud cover - Colchester, 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
Colchester, VT

Average visibility - Colchester, 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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Colchester, Vermont, USA

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