Climate and monthly weather forecast
Southington, CT

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The climate of Southington

Southington, located in Connecticut, USA, bears a Köppen climate classification of Dfa. This demarcation indicates a humid continental climate, characterized by a lack of a dry season, along with hot summers.

Temperature fluctuation proves to be significant throughout the year. The coldest month, typically January, sees average low temperatures of 20.7°F (-6.3°C), while the warmest month, generally July, experiences highs at an average of 82.4°F (28°C). As for the relative humidity, it averages between 72% and 80%, making Southington's weather generally humid, condensing more during the colder months.

Precipitation takes place throughout the year, with the rainiest month being December, receiving rain at an average of 3.74" (95mm). It tends to snow between December and March, with highest snowfall observed in February, averaging 5.12" (130mm). The daylight hours vary from 9.2 hours in December to 15.2 hours in June. Sunshine, however, peaks in July and August offering up to 10.2 hours a day. Average cloud cover ranges between 35% to 50%, while the usual atmospheric pressure lies from 30.04 in January and March to 29.93 in June.

The best time to visit Southington

Considering elements such as temperature, sunshine, and rainfall, the period from June through September appears to be the most favorable for visiting Southington. During this time, the temperatures vary between 56.7°F (13.7°C) and 82.4°F (28°C), offering a mild and inviting weather. Meanwhile, the amount of sunshine reaches its prime with up to 10.2 hours per day. Despite some rainfall, the months of August, boasting a rainfall of 3.03" (77mm), and September, receiving 2.24" (57mm), experience lesser rainfall compared to other months in this period.

The worst time to visit Southington

The least favorable time for a visit to Southington would likely be the winter months, particularly from December to February. During this time, the temperatures can drop to as low as 20.7°F (-6.3°C). The quantity of rainfall and snowfall also tends to be at its peak in these months, with December witnessing the most rainfall at 3.74" (95mm) and February observing the highest snowfall at 5.12" (130mm). Furthermore, sunshine is at its minimum, providing just 4.7 hours in December and a mere 4.5 hours in February.

Spring weather in Southington

Springtime in Southington embraces an increase in temperature and longer daylight hours. From March to May, the temperature sees a gradual escalation from 28.9°F (-1.7°C) to 68.2°F (20.1°C). Daylight hours extend from 12 hours in March to 14.5 hours by May’s end. A noticeable increase in rainfall occurs during these months, reaching its culmination in May with a maximum of 2.87" (73mm). Meanwhile, the snowfall gradually diminishes and disappears after March.

Summer weather in Southington

Summertime in Southington is marked by hot temperatures, longer daylight hours, and more sunshine. From June to August, the average high temperature ranges from 75.7°F (24.3°C) to 82.4°F (28°C), with lowest average temperatures varying from 56.7°F (13.7°C) to 63.1°F (17.3°C). These months benefit from more than 14 hours of daylight, with a generous amount of sunshine, reaching up to 10.2 hours in July and August. The arrival of summer also brings a slight increase in rainfall.

Autumn weather in Southington

In Southington, autumn, transpiring from September till November, is observed with a gradual decrease in temperature, shortened daylight hours, and more rainfall. The typical temperature decline starts from an average of 73.4°F (23°C) in September to 38.3°F (3.5°C) by November end. Daylight decreases from 12.5 hours in September to 9.9 hours in November. These months receive substantial rainfall, peaking in October with 3.43" (87mm).

Winter weather in Southington

Winter in Southington is distinct with freezing temperatures, curtailing daylight hours, and increased precipitation. December through February sees the average high temperature plummet from 38.3°F (3.5°C) to 32.5°F (0.3°C), while the low drops from 27.7°F (-2.4°C) in December to 20.7°F (-6.3°C) in January. Furthermore, daylight hours reduce to a low of 9.2 hours in December. Precipitation is significant, with December witnessing the highest rainfall, and the snowfall being prominent in February.

Weather in January

The weather in Southington, Connecticut starts the year with a chilly vibe. Notably, snow highlights the month with an accumulation of 3.43" (87mm) over eight days, presenting a distinct winter landscape. This colder month turns outdoor landscapes into winter wonderlands, making it a charming time for winter enthusiasts. Weather in January »

Weather in February

Moving into February, Southington’s weather continues in its winter pattern. Days are still cold with a somewhat slight increment in temperature in comparison to January. The snowfall in this month peaks at 5.12" (130mm) spread over nine days. Weather in February »

Weather in March

As March rolls in, the town of Southington begins to transition from winter to spring. Temperatures marginally increase, hinting at the onset of spring. The snowfall decreases to 4.37" (111mm) over seven days, making it a transitional month for weather patterns. Weather in March »

Weather in April

In April, Southington experiences a notable change in weather as the temperatures continue their upward trend. An affirmation of this shift is evident from the snowfall level, which drops significantly to 1.1" (28mm) experienced only on a single day of the month. Weather in April »

Weather in May

May ushers in fully-fledged spring weather in Southington. The environment is lively with flora and fauna now in full bloom. This blossoming month experiences virtually no snowfall, clocking only 0.28" (7mm) typically in the early days. Weather in May »

Weather in June

June in Southington signifies the beginning of summer with the weather becoming considerably warmer. Confirming the arrival of summer, snowfall is absent making June, July, and August the only months without any snowfall. This period is ideal for waterfront activities as locals and visitors gravitate towards the city's bodies of water. Weather in June »

Weather in July

July marks the peak of the summer season in Southington. This becomes evident with the local weather hitting its highest temperature of 82.4°F (28°C). This is the warmest period, characterized by good sunlight exposure, resulting in heightened outdoor activities. Weather in July »

Weather in August

As August approaches, Southington continues to enjoy its summer, although temperatures begin to slightly decline. The weather retains the earlier pattern with no signs of snowfall. Numerous outdoor activities carry over from July, augmented by the relatively clear sky conditions. Weather in August »

Weather in September

September marks the start of the fall season in Southington and a turn in the weather pattern. This is accentuated by the lack of snowfall, as September belongs to a series of four months with virtually no snow. As the temperatures gradually drop, the fauna begins to take on fall hues, making the town visually stunning. Weather in September »

Weather in October

October in Southington deepens the fall season with continued mild temperatures. The landscape illustrates this best with the city colors turning to darker shades of red, orange, and brown. Snowfall remains very minimal, recorded at just 0.08" (2mm) in one of the month's days. Weather in October »

Weather in November

Visiting Southington in November portrays the shift towards colder days marking the late fall and impending winter season. The distinct change in weather is represented by the snowfall, which starts to increase at 0.83" (21mm) spread over one day. Weather in November »

Weather in December

December in Southington reinstates wintry conditions with temperatures falling further. Marking the onset of winter, snowfall increases to 3.23" (82mm) over six days. Despite the wintriness, city life continues its lively rhythm decorated by bright festive lights and holiday cheer. Weather in December »
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Southington?

January, having an average high-temperature of 32.5°F (0.3°C) and an average low-temperature of 20.7°F (-6.3°C), is the coldest month.

How much does it rain in Southington?

In Southington, during the entire year, the rain falls for 170 days and collects up to 35.43" (900mm) of precipitation.

When does it snow in Southington?

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

How much does it snow in Southington?

Throughout the year, in Southington, there are 33.9 snowfall days, and 18.43" (468mm) of snow is accumulated.

What is the month with the lowest UV index in Southington?

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 Southington?

With an average relative humidity of 80%, February is the most humid month.

What is the snowiest month in Southington?

February is the month with the most snowfall. Snow falls for 9.3 days and accumulates 5.12" (130mm) of snow.

What is the month with the least sunshine in Southington?

The month with the least sunshine in Southington is February, with an average of 4.5h of sunshine.

When is Daylight Saving Time (DST) in Southington?

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

The least humid month in Southington is April, with an average relative humidity of 72%.

When it does not snow in Southington?

June through September are months without snowfall in Southington.

When are the longest days in Southington?

The month with the longest days in Southington, Connecticut, is June, with an average of 15h and 6min of daylight.

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

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

What are the warmest months in Southington?

Southington's warmest temperatures are experienced in July, with average high temperatures of 82.4°F (28°C) and lows of 63.1°F (17.3°C).

What is the month with the most sunshine in Southington?

The months with the most sunshine in Southington, Connecticut, are July and August, with an average of 10.2h of sunshine.

What is the driest month in Southington?

September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 2.24" (57mm) of precipitation.

What is the wettest month in Southington?

December is the month with the most rainfall. Rain falls for 11.7 days and accumulates 3.74" (95mm) of precipitation.

What is the month with the shortest days in Southington?

The month with the shortest days in Southington is December, with an average of 9h and 12min of daylight.

Average temperature
Southington, CT

Average temperature - Southington, CT

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32.5°F).

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure
Southington, CT

Average pressure - Southington, 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
Southington, CT

Average wind speed - Southington, CT

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity
Southington, CT

Average humidity - Southington, CT

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).

Average rainfall
Southington, CT

Average rainfall - Southington, CT

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is September (2.24").

Average rainfall days
Southington, CT

Average rainfall days - Southington, CT

The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is February (9.3 days).

Average snowfall
Southington, CT

Average snowfall - Southington, CT

The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Southington, CT

Average snowfall days - Southington, CT

The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Southington, CT

Average daylight / Average sunshine - Southington, 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 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days
Southington, CT

Average sunshine days - Southington, CT

The month with the most sunshine days is January (16.7 days).
The month with the least sunshine days is June (10 days).

Average UV index
Southington, CT

Average UV index - Southington, 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
Southington, CT

Average visibility - Southington, CT

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

Southington, Connecticut, USA

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