Climate and monthly weather forecast
Middletown, CT

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The climate of Middletown

Geographically, Middletown is part of the Northeast region of the United States, in the state of Connecticut. The area falls under the Dfa Köppen climate classification, characterized by a humid continental climate, no dry season, and hot summer. Throughout the year, Middletown experiences a wide temperature range, with highs that reach up to 82.9°F (28.3°C) in July and lows that fall to about 22.1°F (-5.5°C) in January.

Month by month, the various weather parameters in Middletown display noticeable changes. Rainfall fluctuates from a low of 1.89" (48mm) in September to a high of 3.66" (93mm) in December. Humidity balances out across the year, with all months showing relative humidity between 71% and 79%. The daylight duration grows from a baseline of 9.6 hours in January to reach a peak of 15.1 hours in June, and then diminishes again.

Certain unique patterns can be discerned from the climate data for Middletown. July emerges as the hottest month, with a high temperature near the 82.9°F (28.3°C) mark while January takes the spot of the coldest month, displaying a low temperature of approximately 22.1°F (-5.5°C). Additionally, Middletown experiences significant snowfall only from December to March, with January recording the highest snowfall of 4.13" (105mm).

The best time to visit Middletown

One of the best times to visit Middletown is between May and June. During this period, the city experiences warm temperatures ranging from 56.8°F (13.8°C) to 76.1°F (24.5°C). The daylight hours are long, with an average of between 14.5 hours to 15.1 hours per day. Although there is a 16.8% to 16.9% chance of rainfall, it usually does not hamper outdoor activities as the total rainfall hovers between 2.64" (67mm) to 2.91" (74mm). The UV index is at a comfortable range of 5 to 6 during this time.

The worst time to visit Middletown

January and February are perhaps the least favorable months for a visit to Middletown. The lower temperatures can be chilling, with the mercury dropping from 23°F (-5°C) to 22.1°F (-5.5°C) respectively. There is a significant amount of snowfall during these months, with January seeing around 4.13" (105mm) of snow over a period of 7.2 days. The daylight hours are also considerably shorter, averaging around 9.6 to 10.6 hours, which could restrict outdoor activities.

Spring weather in Middletown

In Middletown, springtime takes place from March to May. During these months, it sees a steady rise in temperatures, beginning at an average high of 44.8°F (7.1°C) in March and culminating to a warm 68.2°F (20.1°C) by May. The rainfall during this period varies between 2.83" (72mm) to 2.64" (67mm), with May recording slightly lower figures. The increase in daylight hours from 12 hours in March to 14.5 hours in May permits more enjoyment of outdoor activities.

Summer weather in Middletown

The summer months in Middletown, spanning from June to August, are distinguished by warm to hot temperatures, which hover between 76.1°F (24.5°C) to 82.9°F (28.3°C). The highest recorded temperature is during July. Rainfall varies from 2.91" (74mm) to 3.07" (78mm) across these months, while the hours of daylight are the longest, fluctuating around 14.8 to 15.1 hours.

Autumn weather in Middletown

Autumn in Middletown runs from September to November. During this period, temperatures gradually drop from 73.6°F (23.1°C) in September to 49.3°F (9.6°C) in November. Rainfall increases again in this season, reaching up to 3.27" (83mm) in October. The daylight hours likewise gradually decrease, going from 12.5 hours in September to 9.9 hours in November.

Winter weather in Middletown

Winter sets in Middletown from December to February, bringing chilly temperatures. The average high temperature varies from 34°F (1.1°C) in December to 37°F (2.8°C) in February, while the low ranges from 29.1°F (-1.6°C) to 22.1°F (-5.5°C) in the same period. December receives the highest rainfall of 3.66" (93mm), while January records the most snowfall at 4.13" (105mm). The daylight hours dwindle to their lowest, with an average of 9.2 hours in December to 10.6 hours in February.

Weather in January

The depth of winter grips Middletown, Connecticut with cold, snowy weather characteristic of January. The region experiences a notable shift from the sunny December days to a cloudier atmosphere, resulting in a decrease in average daily sunlight to 4.9 hours. Weather in January »

Weather in February

February in Middletown, Connecticut, carries the winter baton from January, with chilling temperatures and cloudy skies persisting. February brings an increase in the average daily snowfall to 3.78" (96mm) while relentlessly maintaining the cold weather conditions. Weather in February »

Weather in March

The arrival of March in Middletown, Connecticut witnesses the transition from winter to spring. The city starts to warm up slowly and steadily, yet still compared to February, March hosts an intense wave of rainfall occurring over 12.7 days. Weather in March »

Weather in April

April in Middletown, Connecticut marks the true arrival of spring. The weather continues to warm up, significantly contrasting with the cold March winds. The city receives a generous share of sunlight, and the flowers start to bloom beautifully. Weather in April »

Weather in May

The merry month of May in Middletown, Connecticut, experiences more consistent weather patterns. As spring transitions into early summer, temperatures start to climb, yet relatively balanced with a cool breeze making evenings pleasant. Weather in May »

Weather in June

June welcomes summer in Middletown, Connecticut with longer days and plenty of sunshine. Temperatures continue to rise, making it one of the hottest months of the year. Evenings become balmy, yet they carry the sweet fragrance of blooming flowers indicating that the city is in full summer bloom. Weather in June »

Weather in July

July is the peak summer month in Middletown, Connecticut and displays some of the highest temperatures of the year. The weather remains consistently warm throughout the month, making it perfect for outdoor activities. Despite the warm days, the city experiences adequate rainfall, preventing the atmosphere from getting too dry. Weather in July »

Weather in August

In August, Middletown, Connecticut continues to experience summer weather, albeit with a subtle breeze signalling the impending arrival of autumn. As the month progresses, daylight hours start to decrease gradually, giving a hint of the approaching fall. Weather in August »

Weather in September

The autumn equinox arrives in September, reflecting a significant change in Middletown, Connecticut’s weather. As the leaves begin to change colour, the temperatures also start to drop gradually, symbolising the end of summer. Weather in September »

Weather in October

October firmly establishes the autumn season in Middletown, Connecticut. The city experiences further cooling, and the colourful fall foliage creates a visually stunning landscape. The relatively higher humidity levels this month, coupled with cooler temperatures, can create a foggy morning atmosphere. Weather in October »

Weather in November

November in Middletown, Connecticut, is the threshold between autumn and winter. November brings a chill in the air as the city experiences a further drop in temperatures, preparing itself for the winter to come. The decrease in overall daylight and sunshine hours reduces outdoor activities. Weather in November »

Weather in December

December marks the onset of winter in Middletown, Connecticut, with a definitive drop in temperature. The city gears up for the festive season with the likelihood of snowfall increasing towards the end of the month. The reduced sunray makes for shorter days, while the chill in the air heralds the coming of Christmas. Weather in December »
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Middletown?

The lowest temperatures in Middletown, Connecticut, are recorded in January, with averages reaching a high of 34°F (1.1°C) and a low of 22.1°F (-5.5°C).

How many days does it rain in Middletown?

In Middletown, during the entire year, the rain falls for 162.2 days and collects up to 34.13" (867mm) of precipitation.

When does it snow in Middletown?

Months with snowfall are January through May, November and December.

How many days does it snow in Middletown?

Throughout the year, there are 29.4 snowfall days, and 14.76" (375mm) of snow is accumulated.

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

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 Middletown?

The most humid month in Middletown is February, with an average relative humidity of 79%.

What is the month with the least sunshine in Middletown?

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

When does it snow the most in Middletown?

March is the month with the most snowfall. Snow falls for 6.2 days and accumulates 4.13" (105mm) of snow.

When is Daylight Saving Time (DST) in Middletown?

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

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

When it does not snow in Middletown?

June through October are months without snowfall in Middletown, Connecticut.

When are the longest days in Middletown?

June has the longest days of the year in Middletown, with an average of 15h and 6min of daylight.

What is the month with the highest UV index in Middletown?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Middletown.

What time of the year is the hottest in Middletown?

July is the warmest month, exhibiting average temperatures of 82.9°F (28.3°C) at the peak and 64°F (17.8°C) at the base.

What is the month with the most sunshine in Middletown?

July and August, with an average of 10.3h of sunshine, are months with the most sunshine in Middletown.

What is the driest month in Middletown?

September is the month with the least rainfall in Middletown, Connecticut. Rain falls for 11.9 days and accumulates 1.89" (48mm) of precipitation.

What is the rainiest month in Middletown?

December is the month with the most rainfall. Rain falls for 11.9 days and accumulates 3.66" (93mm) of precipitation.

What is the month with the shortest days in Middletown?

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

Average temperature
Middletown, CT

Average temperature - Middletown, CT

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34°F).

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure
Middletown, CT

Average pressure - Middletown, 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).

Average wind speed
Middletown, CT

Average wind speed - Middletown, CT

The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity
Middletown, CT

Average humidity - Middletown, CT

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

Average rainfall
Middletown, CT

Average rainfall - Middletown, CT

The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days
Middletown, CT

Average rainfall days - Middletown, CT

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (9.1 days).

Average snowfall
Middletown, CT

Average snowfall - Middletown, CT

The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days
Middletown, CT

Average snowfall days - Middletown, CT

The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Middletown, CT

Average daylight / Average sunshine - Middletown, CT

The month with the longest days is June (Average daylight: 15h and 6min).
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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days
Middletown, CT

Average sunshine days - Middletown, CT

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11.3 days).

Average UV index
Middletown, CT

Average UV index - Middletown, CT

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

Average visibility
Middletown, CT

Average visibility - Middletown, CT

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

Middletown, Connecticut, USA

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