Climate and monthly weather forecastManchester, CT
Climate and monthly weather forecast
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 »Updated: Jul 23, 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
January, with average temperatures reaching a high of 32.9°F (0.5°C) and a low of 21.2°F (-6°C), is the coldest month.
In Manchester, during the entire year, the rain falls for 164.8 days and collects up to 31.77" (807mm) of precipitation.
January through May, October through December are months with snowfall.
Throughout the year, there are 31.6 snowfall days, and 17.13" (435mm) of snow is accumulated.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The most humid month is February, with an average relative humidity of 80%.
The month with the most snowfall is February, when snow falls for 8.5 days and typically aggregates up to 4.8" (122mm) of snow.
The month with the least sunshine is February, with an average of 4.6h of sunshine.
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.
With an average relative humidity of 71%, April is the least humid month.
June through September are months without snowfall.
June has the longest days of the year, with an average of 15h and 12min of daylight.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
July, with average temperatures reaching a high of 83.1°F (28.4°C) and a low of 63.5°F (17.5°C), is the warmest month.
July and August, with an average of 10.4h of sunshine, are months with the most sunshine.
September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.77" (45mm) of precipitation.
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.
December has the shortest days of the year, with an average of 9h and 12min of daylight.
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).
Average pressure
Manchester, CT
- Average pressure in January:
30.03"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Manchester, CT
- Average wind speed in January:
8.1mph - Average wind speed in February:
8mph - Average wind speed in March:
8.1mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.8mph - Average wind speed in October:
6.9mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.8mph
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).
Average humidity
Manchester, CT
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Manchester, CT
- Average rainfall in January:
2.28" - Average rainfall in February:
2.32" - Average rainfall in March:
2.68" - Average rainfall in April:
2.83" - Average rainfall in May:
2.6" - Average rainfall in June:
2.8"
- Average rainfall in July:
2.83" - Average rainfall in August:
2.6" - Average rainfall in September:
1.77" - Average rainfall in October:
3.03" - Average rainfall in November:
2.76" - Average rainfall in December:
3.27"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days
Manchester, CT
- Average rainfall days in January:
10 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
17 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
16.7 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
14.5 days - Average rainfall days in November:
10.6 days - Average rainfall days in December:
11.8 days
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).
Average snowfall
Manchester, CT
- Average snowfall in January:
3.39" - Average snowfall in February:
4.8" - Average snowfall in March:
4.17" - Average snowfall in April:
0.59" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Manchester, CT
- Average snowfall days in January:
7.8 days - Average snowfall days in February:
8.5 days - Average snowfall days in March:
6.9 days - Average snowfall days in April:
0.9 days - Average snowfall days in May:
0.1 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:
0.1 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
5.8 days
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).
Average daylight / Average sunshine
Manchester, CT
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
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).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 48min
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).
Average sunshine days
Manchester, CT
- Average sunshine days in January:
17 days - Average sunshine days in February:
12.9 days - Average sunshine days in March:
12.5 days - Average sunshine days in April:
12.2 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
12 days - Average sunshine days in August:
12 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
14.1 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
15.1 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11.2 days).
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).
Average cloud cover
Manchester, CT
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
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).
