Climate and monthly weather forecast
New Britain, CT

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The climate of New Britain

New Britain, located within the boundaries of Connecticut, USA, falls under the Köppen climate classification of Dfa. This classification represents a humid continental climate with no distinct dry season and hot summers. Throughout the year, New Britain's weather brims with fluctuations. This variability extends across diverse parameters, ranging from temperature and humidity to snowfall and wind speed.

The city experiences temperatures as high as 82.9°F (28.3°C) in the peak summer month of July and as low as 21.2°F (-6°C) during the coldest month, January. New Britain's climate encompasses a broad spectrum, from the heat of summer to the chill of a continental winter. Relative humidity hovers near the 75% mark year-round, while annual rainfall and snowfall present their own patterns and variations.

Rainfall is consistent in New Britain, with July presenting the highest average monthly rainfall, at 2.99" (76mm). Relative dryness occurs in September, the month recording the lowest average rainfall of 1.97" (50mm). Significant snowfall is only evident from January to March and in November and December, with February showing the maximum average snowfall of 4.69" (119mm). March, on the other hand, sees more days with snowfall, tallying to 6.9 on average.

Pertaining to sunshine and daylight hours, there is a visible contrast between the seasons. With the height of summer in June, daylight reaches a maximum of 15.2 hours, receding to the shortest daylight duration of 9.2 hours in December. Correspondingly, New Britain enjoys the longest sunshine duration - 10.4 hours in July, dropping to a modest 4.8 hours during the dreary month of December.

The best time to visit New Britain

The most favorable time to visit New Britain is between May and September. During these months, optimal conditions with temperatures ranging from 56.5°F (13.6°C) to 80.8°F (27.1°C) make it ideal for outdoor activities. The city bathes in about 15.2 daylight hours in June, allowing plenty of time to explore the locale. Despite being the period with the highest average rainfall ranging from 2.64" (67mm) to 2.99" (76mm), the warmth of the sun and the overall ambiance make it the best time to experience New Britain.

The worst time to visit New Britain

Visiting New Britain from December to February is less advised. Specifically, February presents the inseparable twin challenges of a chilly climate and substantial snowfall. Temperatures dip to a frigid 21.2°F (-6°C), while snowfall accumulates to a solid 4.69" (119mm) on average. This combination makes outdoor activities prohibitive and presents a less than ideal scenario for tourism.

Spring weather in New Britain

Spring emerges with a pleasantly gradual transition from winter to warmer temperatures. From March to May, temperatures climb from 44.1°F (6.7°C) to 68.5°F (20.3°C). Rainfall is higher during this season, peaking at 2.91" (74mm) in April. Wind speed sees a tapering trend from 8.2mph (13.2km/h) to 6.5mph (10.5km/h), making the spring a favorable season in terms of weather conditions.

Summer weather in New Britain

In New Britain, summer extends from June to August. This sunny season hosts the highest temperatures of the year, from 76.3°F (24.6°C) to 82.9°F (28.3°C). Rainfall remains consistent, ranging from 2.72" (69mm) to 2.99" (76mm). Despite the rain, summer days are lenghty, providing an average of 14.8 to 15.2 daylight hours for outdoor exploration and enjoyment.

Autumn weather in New Britain

Autumn, spanning from September to November, marks a significant dip in temperatures, falling from 73.4°F (23°C) to 48.9°F (9.4°C). September witnesses the lowest annual rainfall of 1.97" (50mm), signifying reduced precipitation. Daylight hours shorten progressively down to 9.9, announcing the retreat of summer and the onset of winter.

Winter weather in New Britain

In New Britain, winter initiates in December and lasts until February. During this time, the temperature plummets to a low between 38.8°F (3.8°C) and 21.2°F (-6°C). December records the highest average rainfall for the season at 3.54" (90mm). Snowfall is prevalent and reaches its peak in February with an average of 4.69" (119mm). The winter months expose New Britain to the harsh realities of a continental climate, with less travel-friendly conditions in general.

Weather in January

January in New Britain, Connecticut is characterized by a consistent frosty climate with the highest average temperature reaching up to 33.3°F (0.7°C) and the lowest sinking to 21.2°F (-6°C). Snowfall is a common occurrence this month with approximately 3.19" (81mm) of snow, spanning over 7.9 days. Weather in January »

Weather in February

As January’s chill slightly subsides, February in New Britain, Connecticut sees an average peak temperature of 36.1°F (2.3°C) and a low of 21.9°F (-5.6°C). The month typically experiences 4.69" (119mm) of snow over 8.6 days, giving it a characteristic wintery appearance. Weather in February »

Weather in March

March brings a shift in weather in New Britain, Connecticut. The high and low temperatures rise to 44.1°F (6.7°C) and 29.5°F (-1.4°C) respectively, marking the onset of spring. Snowfall reduces to an average of 4.17" (106mm) across 6.9 days. Weather in March »

Weather in April

April in New Britain, Connecticut sees a substantial jump in temperatures, with the highs hitting 56.5°F (13.6°C) and lows at 40.1°F (4.5°C). A remarkable decrease in snowfall happens at this time, with the average snowfall reducing to merely 0.79" (20mm) spread over 1.2 days. Weather in April »

Weather in May

May's weather in New Britain, Connecticut sees an increase in warmth, with temperatures ranging from 68.5°F (20.3°C) to 49.5°F (9.7°C). Aside from the increased heat, the only significant snowfall observed throughout the month is a meager 0.28" (7mm) over 0.1 days, signifying that winter has ended. Weather in May »

Weather in June

June in New Britain, Connecticut signals the start of the summer season, evidenced by average temperatures rising between 76.3°F (24.6°C) and 57.4°F (14.1°C). There is no snowfall throughout the month, marking the shift to warm weather. Weather in June »

Weather in July

July in New Britain, Connecticut presents the most elevated temperatures of the year, scaling from 82.9°F (28.3°C) to 63.9°F (17.7°C). This is the hottest month with the relative humidity hovering around 74%%, signifying a predominantly humid climate. Weather in July »

Weather in August

August in New Britain, Connecticut continues with hot temperatures, averaging highs up to 80.8°F (27.1°C) and lows down to 62.6°F (17°C). The climate remains essentially snow-free during this time. September brings a subtle change in weather as the intense summer heat starts to dissipate. Weather in August »

Weather in September

September in New Britain, Connecticut marks the onset of autumn, with average temperatures receding to highs of 73.4°F (23°C) and lows of 55.9°F (13.3°C). The month remains devoid of snowfall, keeping the climate suitable for outdoor activities. Weather in September »

Weather in October

October in New Britain, Connecticut witnesses a distinct drop in temperatures, with averages fluctuating between 61.2°F (16.2°C) to 46.9°F (8.3°C). With the arrival of the first snowfall, averaging 0" (0mm) over a span of 0.1 days, October initiates the transition into winter. Weather in October »

Weather in November

The last month of the autumn, November, is chilly month in New Britain, Connecticut, with an average temperature varying between 36°F (2.2°C) and 48.9°F (9.4°C). The shift from October to November corresponds with a decrease in the average high-temperature, down to a chilly 48.9°F (9.4°C) from a refreshing 61.2°F (16.2°C). Weather in November »

Weather in December

December in New Britain, Connecticut denotes the beginning of winter, with temperatures dipping between 38.8°F (3.8°C) and 28°F (-2.2°C). The month sees an increased presence of snowfall, measuring 3.23" (82mm) spread across 5.5 days, indicating the arrival of the winter season. Weather in December »
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in New Britain?

January tends to be the coldest month, with temperatures averaging a daily high of 33.3°F (0.7°C) and a low of 21.2°F (-6°C).

How many days does it rain in New Britain?

Throughout the year, in New Britain, Connecticut, there are 167.6 rainfall days, and 33.35" (847mm) of precipitation is accumulated.

When does it snow in New Britain?

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

How many days does it snow in New Britain?

In New Britain, during the entire year, snow falls for 31.7 days and aggregates up to 17.2" (437mm) of snow.

What is the most humid month in New Britain?

With an average relative humidity of 79%, February is the most humid month.

When does it snow the most in New Britain?

The month with the most snowfall in New Britain, Connecticut, is February, when snow falls for 8.6 days and typically aggregates up to 4.69" (119mm) of snow.

What is the month with the least sunshine in New Britain?

With an average of 4.6h of sunshine, February has the least sunshine of the year in New Britain, Connecticut.

When is Daylight Saving Time (DST) in New Britain?

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.

What is the least humid month in New Britain?

With an average relative humidity of 71%, April is the least humid month in New Britain.

When it does not snow in New Britain?

In New Britain, Connecticut, snow does not fall in June through October.

When are the longest days in New Britain?

The month with the longest days in New Britain, Connecticut, is June, with an average of 15h and 12min of daylight.

What is the month with the highest UV index in New Britain?

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

What time of the year is the hottest in New Britain?

July, known for its average high temperature of 82.9°F (28.3°C) and an average low temperature of 63.9°F (17.7°C), is the warmest month.

What month has the most sunshine in New Britain?

July has the most sunshine of the year, with an average of 10.4h of sunshine.

What is the driest month in New Britain?

The month with the least rainfall in New Britain, Connecticut, is September, when the rain falls for 12.5 days and typically collects 1.97" (50mm) of precipitation.

What is the rainiest month in New Britain?

December is the month with the most rainfall in New Britain. Rain falls for 12.1 days and accumulates 3.54" (90mm) of precipitation.

What is the month with the shortest days in New Britain?

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

When is the lowest UV index in New Britain?

The month with the lowest UV index in New Britain, Connecticut, is December, with an average maximum UV index of 1.

Average temperature
New Britain, CT

Average temperature - New Britain, 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 (33.3°F).

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure
New Britain, CT

Average pressure - New Britain, 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
New Britain, CT

Average wind speed - New Britain, CT

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity
New Britain, CT

Average humidity - New Britain, CT

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

Average rainfall
New Britain, CT

Average rainfall - New Britain, CT

The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days
New Britain, CT

Average rainfall days - New Britain, CT

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.8 days).

Average snowfall
New Britain, CT

Average snowfall - New Britain, CT

The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days
New Britain, CT

Average snowfall days - New Britain, CT

The month with the highest number of snowfall days is February (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
New Britain, CT

Average daylight / Average sunshine - New Britain, 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 month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days
New Britain, CT

Average sunshine days - New Britain, CT

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (10.4 days).

Average visibility
New Britain, CT

Average visibility - New Britain, 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).

New Britain, Connecticut, USA

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