Climate and monthly weather forecastClinton, CT
Climate and monthly weather forecast
The climate of Clinton
Clinton, a town nestled in Connecticut, USA, yields an intriguing climate dynamic. A Cfa Köppen climate classification indicates a predominant humid subtropical climate with no dry season here. Hence, varying weather conditions paint Clinton's atmospheric canvas throughout the year.One key feature of the Clinton climate is a swing in temperatures that spans from as low as 25.5°F (-3.6°C) in January to a peak of 79.7°F (26.5°C) in July. There is a gradual yet noticeable shift in these temperatures, steadily rising from the early months of the year up till July, then taking a slow descent towards the year-end. Tracking alongside the temperature fluctuations, the average relative humidity also sees a uniform distribution, hovering between 74% to 78% across the year.
This humid subtropical environment encourages generous rainfall, often dispersed across 9 to 17 days each month. The highest recorded rainfall of 3.66" (93mm) in a month occurs during December, while September registers the least precipitation of 1.93" (49mm). A unique feature is the occurrence of snowfall, predominantly seen from January to March, and occasionally in November and December. However, these snow events are usually minimal, totaling an average of 2.76" (70mm) at the highest in March.
The best time to visit Clinton
A visit to Clinton is considered optimal between the months of May and October. During this time, the average temperature ranges from a mild 54.3°F (12.4°C) in May to a warm 78.6°F (25.9°C) in August. The period also coincides with longer daylight hours, providing ample opportunities for outdoor activities. Additionally, sunshine hours are at the peak, reaching up to 10.6 hours in August, ensuring maximum daylight utilization. It is also the best period to enjoy marine activities since sea temperatures peak between July and September ranging from 71°F (21.7°C) to 73°F (22.8°C).The worst time to visit Clinton
The most challenging time to visit Clinton would likely be during the winter months. The chilly grip from December through February sees temperatures plunging from 41.9°F (5.5°C) in December to 25.5°F (-3.6°C) in January. The reduced daylight hours, reaching as low as 9.2 hours in December, coupled with the least sunshine hours of 4.8 in both January and December, might hamper outdoor plans. The potential of snow during these months could also affect accessibility and travel plans.Spring weather in Clinton
The Spring in Clinton, characterized by the months of March to May, is a season of transformation. Temperatures warm up nicely from a crisp 43.7°F (6.5°C) in March to a comfortable 64.9°F (18.3°C) in May. Rainfall typically measures between 2.8" (71mm) in March and 3.23" (82mm) in April. Visitors during this period can enjoy a relatively mild climate, with daylight duration gradually increasing from 12 hours to 14.5 hours by May's end.Summer weather in Clinton
During the Clinton Summer, which spans from June to August, the town experiences a comfortably warm climate. Average temperatures hover from 73°F (22.8°C) in June to a high of 79.7°F (26.5°C) in July. Rainfall is at its highest in July, registering 3.11" (79mm), typically spread across 17 days. This time sees the year's longest daylight hours, ranging from 15.1 hours in June to 14.8 hours in July.Autumn weather in Clinton
Clinton's Autumn, encapsulating September to November, experiences a gradual decrease in temperatures from 72.3°F (22.4°C) in September to 50.7°F (10.4°C) in November. The frequency of rainy days drops considerably in September to 13 days, although rainfall amounts tend to increase, reaching 3.07" (78mm) in November. Daylight duration begins to wane, dwindling down from 12.5 hours in September to 9.9 hours in November.Winter weather in Clinton
The winter months of December through February in Clinton bear a frigid weather pattern. Temperatures often slip to a chilling low, ranging from an average low of 32.4°F (0.2°C) in February to 25.5°F (-3.6°C) in January. Rainfall increases in December to 3.66" (93mm), and the frequency of rainy days clocks at 13 days. Proper warmth and weather-resistant apparel are recommended as snowfall could be accumulated in these months amounting up to 2.17" (55mm) in December. Daylight duration is the shortest in this season, matching with the year's lowest sunshine hours.Weather in January
Persistently cold and often damp are two main characteristics of the January weather in Clinton, Connecticut. It introduces the new year with a blend of frequent snowfall and high relative humidity, often touching 74%. Daylight is somewhat short, with only 9.6 hours on average to enjoy the sparkling snow. Weather in January »Weather in February
February weather in Clinton continues the winter trend set by January, with slight improvements. It marginally raises the bar with high temperatures hovering up to 37.9°F (3.3°C), yet it still plays host to a moderate quantity of snowfall. Weather in February »Weather in March
As winter yields to spring's call, March heralds a transitional phase in Clinton's weather. The marked increase in high temperatures to 43.7°F (6.5°C) provides a much-needed respite from the biting winter cold. Coupled with the extension of daylight hours to 12, the city starts revealing a distinctly different side. Weather in March »Weather in April
April in Clinton, Connecticut presents a drastic shift away from winter's stronghold. Important to note, the maximum temperature witnesses a leap, finding its way into the pleasant 50s°F. This welcome change contributes to a significant increase in outdoor activities, taking advantage of the longer daylight hours that extend up to an inviting 13.4 hours. Weather in April »Weather in May
May is the harbinger of warmth in Clinton, with temperatures comfortably settling in the 60s°F. Rain's occasional visit keeps the humidity high, painting the cityscape in verdant hues. Long daylight hours provide ample time to indulge in a myriad of outdoor activities by the seaside. Weather in May »Weather in June
June in Clinton is a bright and balmy affair, setting the stage for the upcoming summer months. It breaks away from May's trend, experiencing a jump in both high and sea temperatures, the latter touching a tempting 63°F (17.2°C). Weather in June »Weather in July
July is the zenith of summer in Clinton, Connecticut, showcasing high temperatures that soar to around 79.7°F (26.5°C). It seduces sea-lovers with warm sea temperatures that peak up to a delightful 71°F (21.7°C). Rainfall is fairly consistent, and clouds occasionally interrupt the overall sunny disposition. Weather in July »Weather in August
August marks the continuation of July's weather, holding up the high-temperature trend. The slight toning down of wind speeds presents perfect conditions for boating and beach activities. Outdoor events are a common sight owing to the consistently warm climate and up to 13.8 hours of daylight. Weather in August »Weather in September
The arrival of September sees a gradual decline in Clinton's high temperatures, signaling the end of summer. It distinguishes itself as the driest month, featuring rainfall measuring only 1.93" (49mm). The considerable length of daylight, however, still provides ample opportunities for outdoor enjoyment. Weather in September »Weather in October
The weather in October signifies a substantial shift in Clinton's climate, paving the way for the chilled winds of winter. Autumn leaves in myriad hues adorn the cityscape, creating picturesque vistas amidst the decreasing daylight hours. Weather in October »Weather in November
November in Clinton, Connecticut embodies the true spirit of late autumn. Daylight hours continue to shorten, giving way to longer chilly nights. With a gradual drop in high temperature to 50.7°F (10.4°C), the city braces for winter's imminent arrival. Weather in November »Weather in December
December heralds the return of winter, transforming Clinton into a winter wonderland. A notable decrease in the maximum temperature to 41.9°F (5.5°C) accompanies this transition, further reinforced by snowfall measuring up to 1.34" (34mm). Weather in December »Updated: Feb 10, 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 proves to be the coldest month in Clinton, Connecticut, recording an average maximum temperature of 35.2°F (1.8°C) and a minimum temperature of 25.5°F (-3.6°C).
In Clinton, Connecticut, during the entire year, the rain falls for 166.2 days and collects up to 34.8" (884mm) of precipitation.
Months with snowfall in Clinton, Connecticut, are January through May, November and December.
In Clinton, during the entire year, snow falls for 24.2 days and aggregates up to 9.53" (242mm) of snow.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
February is the month with the coldest seawater in Clinton, Connecticut, with an average ocean temperature of 38.5°F (3.6°C).
February and December, with an average of 4.8h of sunshine, are months with the least sunshine in Clinton, Connecticut.
The month with the most snowfall in Clinton is March, when snow falls for 4.7 days and typically aggregates up to 2.76" (70mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Clinton, 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 73%, April is the least humid month in Clinton, Connecticut.
The months with the highest humidity are May through July, with an average relative humidity of 78%.
In Clinton, Connecticut, snow does not fall in June through October.
The month with the longest days in Clinton is June, with an average of 15h and 6min of daylight.
The months with the highest UV index in Clinton are June through August, with an average maximum UV index of 6.
Clinton's warmest weather arrives in July, when temperatures average a high of 79.7°F (26.5°C) and a low of 66.6°F (19.2°C).
August is the month with the warmest seawater in Clinton, Connecticut, with an average ocean temperature of 73°F (22.8°C).
August has the most sunshine of the year in Clinton, with an average of 10.6h of sunshine.
September is the month with the least rainfall in Clinton. Rain falls for 13 days and accumulates 1.93" (49mm) of precipitation.
December is the month with the most rainfall in Clinton, Connecticut. Rain falls for 13 days and accumulates 3.66" (93mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Clinton, CT
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (35.2°F).
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure
Clinton, 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:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.05"Hg
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
Clinton, CT
- Average wind speed in January:
10.9mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.6mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7.1mph - Average wind speed in September:
8.1mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.1mph - Average wind speed in December:
10.6mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity
Clinton, CT
The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is April (73%).
Average rainfall
Clinton, CT
- Average rainfall in January:
2.52" - Average rainfall in February:
2.44" - Average rainfall in March:
2.8" - Average rainfall in April:
3.23" - Average rainfall in May:
2.76" - Average rainfall in June:
2.91"
- Average rainfall in July:
3.11" - Average rainfall in August:
2.91" - Average rainfall in September:
1.93" - Average rainfall in October:
3.46" - Average rainfall in November:
3.07" - Average rainfall in December:
3.66"
The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days
Clinton, CT
- Average rainfall days in January:
9 days - Average rainfall days in February:
10.4 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
15.2 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
16.5 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
16.4 days - Average rainfall days in September:
13 days - Average rainfall days in October:
14.6 days - Average rainfall days in November:
11 days - Average rainfall days in December:
13 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9 days).
Average snowfall
Clinton, CT
- Average snowfall in January:
2.17" - Average snowfall in February:
2.72" - Average snowfall in March:
2.76" - Average snowfall in April:
0.08" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Clinton, CT
- Average snowfall days in January:
6.3 days - Average snowfall days in February:
7 days - Average snowfall days in March:
4.7 days - Average snowfall days in April:
0.7 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:
0.9 days - Average snowfall days in December:
4.4 days
The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature
Clinton, CT
The best month for swimming (with the highest average sea temperature) is August (73°F).
The coldest month (with the lowest average sea temperature) is February (38.5°F).
Average daylight / Average sunshine
Clinton, 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 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - 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 54min - Average daylight in December:
9h and 18min
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 18min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 36min - Average sunshine in September:
8h and 54min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days
Clinton, CT
- Average sunshine days in January:
16 days - Average sunshine days in February:
12.5 days - Average sunshine days in March:
13.6 days - Average sunshine days in April:
12.7 days - Average sunshine days in May:
12.2 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
11.7 days - Average sunshine days in August:
11.9 days - Average sunshine days in September:
14.2 days - Average sunshine days in October:
14.1 days - Average sunshine days in November:
17.1 days - Average sunshine days in December:
14.8 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (11.7 days).
Average UV index
Clinton, 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 cloud cover
Clinton, CT
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Clinton, CT
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
