Climate and monthly weather forecast
Jewett City, CT

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The climate of Jewett City

Jewett City, located within the state of Connecticut in the USA, holds a climate that is defined by the Köppen climate classification as Cfb. This denotes a marine climate with warm summers, which is influenced largely by its geographical positioning on the east coast of the United States. The relative humidity stays fairly steady throughout the year, oscillating between 72 and 79%.
The temperature range presents a clear seasonal variation. Highs peak in July with a sweltering 81.1°F (27.3°C), while January sees the lower bounds with lows of 23.5°F (-4.7°C). Rainfall in Jewett City is evenly distributed throughout the year, with a slight increase during the months of April to June, and also in November and December. The region experiences an increment from 2.4" (61mm) in February to a little heavier 3.5" (89mm) in December. The months with the least rainfall are September and February. In terms of snowfall, the colder months from December to March experience moderate snow, yet it rests absent from May to November. Particularly, February sees the highest snowfall at 3.7" (94mm).

The best time to visit Jewett City

Considering the climatic conditions, the most favorable time to visit Jewett City would arguably be between May and September. During this period, temperatures hover comfortably between highs of 66°F (18.9°C) and 81.1°F (27.3°C), and lows in the range of 49.8°F (9.9°C) and 64.2°F (17.9°C). Humidity remains relatively constant and balanced during this period, while rainfall stands more on the moderate side. In addition, the city enjoys the most sunlight with the daylight hours extending up to a maximum of 15.2 hours in June and the sunshine duration reaching its climax of 10.1 hours between July and August.

The worst time to visit Jewett City

The harshest climate in Jewett City can be observed between late autumn and winter, specifically from November to March. During this phase, the temperatures drop significantly with low figures stretching from 23.5°F (-4.7°C) in January to 40.5°F (4.7°C) in April. Snowfall is also frequent in this span, notably peaking in February at 3.7" (94mm). In comparison to other months, the sunshine duration becomes limited, with December bathing in the least sunshine at 4.7 hours. The short daylight hours, paired with reduced visibility during winter, further exacerbates the challenging conditions.

Spring weather in Jewett City

Spring in Jewett City, extending from March till May, ushers in a gradual warming trend. March commences with an average high temperature of 44.2°F (6.8°C) which ascends to 66°F (18.9°C) by the close of May. Lower temperatures follow a similar trajectory, moving from 30.7°F (-0.7°C) to 49.8°F (9.9°C). A notable feature of the spring weather is the substantial increase of rainfall moving from 2.8" (71mm) in March to 3.15" (80mm) in April. Relevantly, April sees the most rain-soaked days at 14.3. Sunshine hours also markedly increase during this season, from 5.9 hours in March to 8.1 hours in May.

Summer weather in Jewett City

The summer season, spanning from June to August, experiences the warmest and longest days of the year. Average high temperatures range between 74.1°F (23.4°C) and a scorching 81.1°F (27.3°C) in July, while the low temperatures stay fair between 57.2°F (14°C) and 64.2°F (17.9°C). Understandably, the UV index is also at its peak during these months, reaching a value of 6; hence, protective measures are advised during outdoor activities. Unexpectedly, it presents a lessened cloud cover, dropping to a low 34% in August.

Autumn weather in Jewett City

As the autumn months of September to November approach, the temperature starts to descend noticeably, with highs dropping from 73.2°F (22.9°C) in September to 50.4°F (10.2°C) in November. Correspondingly, the temperature lows shift from 57.4°F (14.1°C) to 38.1°F (3.4°C) across these months. Rainfall becomes more prominent with a leap from 1.42" (36mm) in September to 2.76" (70mm) in November. Sunshine hours and daylight begin their decline during this season, reducing from 8.3 hours and 12.5 hours respectively in September to 5.3 hours and 9.9 hours by November.

Winter weather in Jewett City

Winter strikes Jewett City with short, cold days from December to February. Averaging from a high of 40.8°F (4.9°C) in December to a chilling 35.2°F (1.8°C) in February, with corresponding lows resting from 30.4°F (-0.9°C) to 23.5°F (-4.7°C), this season notably contains the coldest days of the year. Significant snowfall marks these months, with the heaviest, 3.7" (94mm), falling in February. Maximum wind gusts also increase during this period, stretching from 14.1mph (22.7km/h) in December to a peak of 14.9mph (24km/h) in February, leading to a sharp decline in outdoor activities. Overall, this season is marked with extreme chill, increased snow and wind, and shortened daylight.

Weather in January

January offers the chilliest weather in Jewett City, Connecticut, with an air filled with high relative humidity. This marks the commencement of the winter season, white with snowfall and limited sunshine. The maximum recorded temperature for this month tapers from an average of 37.8°F (3.2°C) in February to an average of 35.2°F (1.8°C). Weather in January »

Weather in February

February continues the cold theme in Jewett City, though temperatures do begin to warm up slightly. It is almost as snowy as January, with the thick white layer often slowing things down in the city. Wardrobes remain heavy with winter clothes ready to combat the 24.3°F (-4.3°C) minimum recorded temperature. Weather in February »

Weather in March

March is when the transformation of weather takes place in Jewett City. It says goodbye to the snow visited in winter months and welcomes rainfall. It embraces warmer temperatures, marking a steady rise from the low-lying averages of January and February. Weather in March »

Weather in April

April is characterized by noticeable climatic transformations. Temperature and daylight hours increase significantly, making it warmer and brighter. Rainfall is the highest in this month with an average of 3.15" (80mm), making sure springs arrives with a splash. Weather in April »

Weather in May

May ushers in warmer temperatures and longer daylight hours in Jewett City. It is a time when residents start to feel the first hints of summer with the mercury beginning its journey upwards. Despite this, it might not be time to store away the umbrella just yet as the month still experiences rainfall but less than April. Weather in May »

Weather in June

June in Jewett City brings the official start of summer, with temperatures rising and days lengthening further. It is the time to enjoy the outdoors before the peak summer heat clocks in. The city radiates under an average sunshine of 8.9 hours per day, setting a warm yet vivacious backdrop. Weather in June »

Weather in July

July positions itself as the peak of summer in Jewett City. It claims the record of the highest average temperature of 81.1°F (27.3°C), and the longest daylight duration of 15.2 hours. The warming trend, coupled with the relatively low wind speed, makes the heat seem more pronounced. Weather in July »

Weather in August

August keeps the summer spirit alive in Jewett City with temperatures slightly tapering from the July high. The city distinctly enjoys more sunshine hours, with pleasant evening breezes offering respite. Alongside this, perception of humidity becomes pronounced in the air as the moist summer weather peaks. Weather in August »

Weather in September

September signals the onset of autumn—the season of harvest—in Jewett City. As leaves take on hues of red and orange, temperatures subside from the high summer levels. The average temperature lowers from 79.9°F (26.6°C) in August to 73.2°F (22.9°C) this month, creating comfortable outdoor conditions. Weather in September »

Weather in October

October continues the autumn trend in Jewett City, with temperatures deteriorating and trees blazing in autumn colors. The city bathes in a decreased average of 5.9 sunshine hours per day, compared to sunnier months. The first set of cooler winds start to dance around, taking temperatures down to 61.7°F (16.5°C) on average. Weather in October »

Weather in November

November in Jewett City prepares residents for a brisk transition towards the freezing winter temperatures. One can appreciate the final fall views as nature tucks away its colorful palette. The city first taste of snow returns with an average snowfall of 0.47" (12mm). Weather in November »

Weather in December

December in Jewett City heralds in the beauty of winters, a month synonymous with holidays and snowfall. This month receives the highest rainfall of the year averaging 3.5" (89mm), simultaneously showcasing an increased snowfall. Weather in December »
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

January, characterized by an average high temperature of 35.2°F (1.8°C) and a low temperature of 23.5°F (-4.7°C), is generally the coldest month.

How much does it rain?

Throughout the year, there are 148.1 rainfall days, and 31.93" (811mm) of precipitation is accumulated.

When does it snow?

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

How much does it snow?

Throughout the year, there are 24.9 snowfall days, and 11.54" (293mm) of snow is accumulated.

When is the lowest UV index?

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 month with the least sunshine?

The months with the least sunshine are February and December, with an average of 4.7h of sunshine.

What is the snowiest month?

The month with the most snowfall is March, when snow falls for 5.9 days and typically aggregates up to 3.7" (94mm) of snow.

When is Daylight Saving Time (DST)?

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?

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

What are the most humid months?

The months with the highest humidity are June and July, with an average relative humidity of 79%.

When it does not snow?

June through October are months without snowfall.

When are the longest days?

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

What is the month with the highest UV index?

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

What is the hottest time of year?

July temperatures tend to peak at an average high of 81.1°F (27.3°C) and dip to a low of 64.2°F (17.9°C).

What are the months with the most sunshine?

The months with the most sunshine are July and August, with an average of 10.1h of sunshine.

What is the driest month in Jewett City?

September is the month with the least rainfall. Rain falls for 11.4 days and accumulates 1.42" (36mm) of precipitation.

What is the rainiest month?

December is the month with the most rainfall. Rain falls for 11.2 days and accumulates 3.5" (89mm) of precipitation.

What is the month with the shortest days in Jewett City?

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

Average temperature
Jewett City, CT

Average temperature - Jewett City, CT

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (35.2°F).

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure
Jewett City, CT

Average pressure - Jewett City, CT

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Jewett City, CT

Average wind speed - Jewett City, CT

The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity
Jewett City, CT

Average humidity - Jewett City, CT

The months with the highest relative humidity are June and July (79%).
The month with the lowest relative humidity is April (72%).

Average rainfall
Jewett City, CT

Average rainfall - Jewett City, CT

The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days
Jewett City, CT

Average rainfall days - Jewett City, CT

The months with the highest number of rainy days are May, June and July (15.8 days).
The months with the least rainy days are January and February (8.4 days).

Average snowfall
Jewett City, CT

Average snowfall - Jewett City, CT

The month with the highest snowfall is March (3.7").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days
Jewett City, CT

Average snowfall days - Jewett City, CT

The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine
Jewett City, CT

Average daylight / Average sunshine - Jewett City, 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 6min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

Average sunshine days
Jewett City, CT

Average sunshine days - Jewett City, CT

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (12.1 days).

Average UV index
Jewett City, CT

Average UV index - Jewett City, 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
Jewett City, CT

Average visibility - Jewett City, CT

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

Jewett City, Connecticut, USA

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