Climate and monthly weather forecast
Manchester, CT

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The climate of Manchester

Manchester, Connecticut, USA lies within the zone of the planet's climate classified by Köppen as Dfa that is defined as a Humid continental, no dry season, hot summer. This specific climate zone is characterized by significant temperature variations on both daily and seasonal scales.

In the analysis of annual weather conditions, it becomes evident that the temperatures range from a high of 83.1°F (28.4°C) in July to a low of 21.2°F (-6°C) in January. The area experiences increased humidity throughout the year with slight fluctuations between 71% in April to a maximum of 80% in February.

Regarding rainfall, Manchester observes a consistent pattern of precipitation, ranging from 1.77" (45mm) in September to 3.27" (83mm) in December. There are more rainy days in the warmer months, peaking at 17.3 days in July comparing to slightly lower numbers during the colder months with a minimum of 10 days in January.

In terms of snowfall, the data suggests the months from November to March register some snowfall with the most significant amounts of 4.8" (122mm) occurring in February. Nonetheless, it is worth noting snowless periods from May to October.

It does not go without notice the pronounced variance in daylight hours throughout the year, topping at 15.2 hours in June and dropping to a mere 9.2 hours in December. The city also boasts a consistent visibility of 6 miles all year round, ensuring clear views for both residents and visitors alike.

The best time to visit Manchester

The ideal time to visit Manchester depends largely on the visitor's weather preferences. However, considering the average temperature and precipitation, the months from May to September with temperatures 68.9°F (20.5°C) to 81°F (27.2°C) and the minimum monthly precipitation of 1.77" (45mm) in September appear highly favorable for outdoor activities. This period also coincides with the highest average daylight hours, providing enough time for exploring the city.

The worst time to visit Manchester

Given its continental climate, Manchester experiences notably lower temperatures from November to March, with the coldest month being January (high of 32.9°F (0.5°C) and low of 21.2°F (-6°C)). Moreover, these months record the highest levels of snowfall, peaking at 4.8" (122mm) in February. Hence, those who are not particularly fond of winter sports or cold weather may find this time of the year challenging.

Spring weather in Manchester

In Manchester, spring emerges from a long, cold winter, gradually encouraging the rise of temperatures starting from 32.9°F (0.5°C) in March to a mild 56.7°F (13.7°C) in April and further up to a pleasant 68.9°F (20.5°C) in May. This season observes moderate rainfall with an average precipitation of 2.7" (69mm) per month. Increased daylight hours (from 12 hours in March to 14.6 hours in May) and reduced snowfall contribute to the charm of spring in Manchester.

Summer weather in Manchester

June to August marks the summer season in Manchester with maximum average temperatures reaching up to 83.1°F (28.4°C) in July. Consistent rainfall in the range of 2.6" (66mm) to 2.83" (72mm) combines with elevated humidity levels, peaking at 75%, to create a somewhat muggy atmosphere. Despite this, ample sunshine and maximum daylight hours (15.2 hours in June) make summer a perfect time for outdoor recreational activities.

Autumn weather in Manchester

Through September to November, the autumn season sees a steady decrease in temperatures, starting from a warm 73.4°F (23°C) in September and tapering off to a cooler 48.9°F (9.4°C) in November. September registers the lowest rainfall of the year at 1.77" (45mm), and gradually increases through October and November. Counted among the windier months of the year, autumn in Manchester is characterized by the return of snowfall towards the end of the season.

Winter weather in Manchester

Manchester's winter, spanning December through February, is distinguished by its chilly weather, where temperature highs range from 38.7°F (3.7°C) to 36°F (2.2°C) and temperature lows settle between 28°F (-2.2°C) and 21.2°F (-6°C). The city sees ample snowfall during this time, with February marking the highest amount at 4.8" (122mm). Despite the colder weather, the city maintains a steady visibility of 6 miles, adding a clear crispness to the winter season.

Weather in January

January ushers in the coldest temperatures in Manchester, Connecticut, USA, with a chillier atmosphere quite pervasive throughout the month. This is a month characterized by fresh snowfall, transforming the city into a winter wonderland. Weather in January »

Weather in February

As Manchester transitions from January to February, there is a slight rise in temperatures. It is noticed that the snow cover from January's fall starts melting away, leading to an increase in rainfall. The sun also begins to stay up a little longer, giving this February a hint of spring's impending arrival. Weather in February »

Weather in March

The city of Manchester begins to emerge from winter's grasp in March, with the weather gradually warming up. As remnants of accumulated snow disappear, the city's landscapes take on a fresh, dewy appearance. This is quite indicative of the transition from winter to spring. Weather in March »

Weather in April

April in Manchester is a month favored by spring, and this is evident in the city's weather variations. The rain showers of April bring life to the flora of the city, painting it in different hues of green. The evenings are cool, but daytimes are comfortably warm due to increased sunshine. Weather in April »

Weather in May

In Manchester, May brings warmer weather with higher temperatures than the previous month of April. The city greets the summer with increased daylight hours, the sun stays high in the sky for longer, and days are brighter. Outdoor activities become more enjoyable with cool breezes that blow across the city. Weather in May »

Weather in June

In June, the weather in Manchester is characterized by the arrival of summer that brings sunshine-filled days and slightly humid evenings. With longer daylight hours, the city appears vibrant and full of energy. This month experiences higher temperatures, inviting people to indulge in outdoor activities such as picnics and nature walks. Weather in June »

Weather in July

Manchester in July is synonymous with summer in all its glory. The city witnesses the combination of high daytime temperatures, minimal rainfall, and slight humidity. Thunderstorms become common evening occurrences due to increased heat. Weather in July »

Weather in August

In August, the weather in Manchester is marked with a subtle shift towards cooler temperatures. The sky gets marginally cloudier than the previous month, thereby reducing the intensity of the heat. The frequency and intensity of thunderstorms dwindle, leading to pleasant weather overall. Weather in August »

Weather in September

September in Manchester offers an exceptional weather experience, with the city making a smooth transition from summer to fall. The temperatures begin to cool off, making room for the arrival of autumn’s colors. The days become shorter, and the city gets prepared for the autumn season. Weather in September »

Weather in October

October in Manchester signals the full arrival of fall, with the city becoming a beautiful canvas of reds, oranges, and yellows. With temperatures further dropping, the weather becomes crisp and cool, ideal for taking walks and enjoying the autumn scenery. Weather in October »

Weather in November

In November, winter starts making its presence felt in Manchester. The city starts to experience falling temperatures, bare trees, and fewer hours of sunlight. The transition from autumn to winter begins, with nature preparing itself for the harsh, upcoming months. Weather in November »

Weather in December

December in Manchester is a time when the city truly steps into the winter season. This month witnesses short days, less sunshine, and rapidly falling temperatures. The cityscape transforms as snowfall occurs, giving the city a festive and beautiful white look. Weather in December »
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Frequently asked questions

What are the coldest months in Manchester?

Manchester records the coldest temperatures in January, averaging a high of 32.9°F (0.5°C) and a low of 21.2°F (-6°C).

How much does it rain in Manchester?

Throughout the year, in Manchester, Connecticut, there are 164.8 rainfall days, and 31.77" (807mm) of precipitation is accumulated.

When does it snow in Manchester?

Months with snowfall in Manchester, Connecticut, are January through May, October through December.

How many days does it snow in Manchester?

Throughout the year, there are 31.6 snowfall days, and 17.13" (435mm) of snow is accumulated.

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

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

What is the most humid month in Manchester?

February is the most humid month in Manchester, Connecticut, with an average relative humidity of 80%.

What is the snowiest month in Manchester?

February is the month with the most snowfall in Manchester. Snow falls for 8.5 days and accumulates 4.8" (122mm) of snow.

What is the month with the least sunshine in Manchester?

February has the least sunshine of the year, with an average of 4.6h of sunshine.

When is Daylight Saving Time (DST) in Manchester?

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

The least humid month is April, with an average relative humidity of 71%.

When it does not snow in Manchester?

In Manchester, Connecticut, snow does not fall in June through September.

When are the longest days in Manchester?

With an average of 15h and 12min of daylight, June has the longest days of the year in Manchester, Connecticut.

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

The months with the highest UV index in Manchester are June and July, with an average maximum UV index of 6.

What part of the year is the hottest in Manchester?

July, with its average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 63.5°F (17.5°C), holds the record as the warmest month.

What are the months with the most sunshine in Manchester?

The months with the most sunshine are July and August, with an average of 10.4h of sunshine.

What is the driest month in Manchester?

September is the month with the least rainfall in Manchester. Rain falls for 12.5 days and accumulates 1.77" (45mm) of precipitation.

What is the rainiest month in Manchester?

The month with the most rainfall is December, when the rain falls for 11.8 days and typically aggregates up to 3.27" (83mm) of precipitation.

What is the month with the shortest days in Manchester?

December has the shortest days of the year in Manchester, with an average of 9h and 12min of daylight.

Average temperature
Manchester, CT

Average temperature - Manchester, CT

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (32.9°F).

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

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Average pressure
Manchester, CT

Average pressure - Manchester, CT

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Manchester, CT

Average wind speed - Manchester, CT

The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average rainfall
Manchester, CT

Average rainfall - Manchester, CT

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days
Manchester, CT

Average rainfall days - Manchester, CT

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (10 days).

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Average snowfall
Manchester, CT

Average snowfall - Manchester, CT

The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Manchester, CT

Average snowfall days - Manchester, CT

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

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Average daylight / Average sunshine
Manchester, CT

Average daylight / Average sunshine - Manchester, CT

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days
Manchester, CT

Average sunshine days - Manchester, CT

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index
Manchester, CT

Average UV index - Manchester, CT

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average visibility
Manchester, CT

Average visibility - Manchester, CT

The months with the highest visibility are January, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are February, May and September (5mi).

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Manchester, Connecticut, USA

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