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Contents
- The climate of East Haven
- The best time to visit East Haven
- The worst time to visit East Haven
- Spring weather in East Haven
- Summer weather in East Haven
- Autumn weather in East Haven
- Winter weather in East Haven
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of East Haven
Cognizant of its geographic position on the east coast of the United States, East Haven, Connecticut, adheres to a Köppen climate classification of Cfa, depicting it as a region with a humid subtropical climate with no distinct dry season. In review of the climatic data, certain trends can easily be traced across the year.
Temperature fluctuations are evident, with average high temperatures escalating from a cool 35.2°F (1.8°C) in January to a warm 80.4°F (26.9°C) in July, thereafter gradually diminishing towards the year's end. Likewise, the town experiences a rise in minimum temperatures from 25.3°F (-3.7°C) in January to 67.5°F (19.7°C) in July. Humidity stays relatively constant throughout the year, with average values revolving around the mid-70s percentile.
A glance at precipitation figures indicates a distribution pattern wherein rainfall intensifies from 0.51" (13mm) in January to its peak at 1.14" (29mm) in July, while snowfall predominantly occurs only in the winter months of January, February, and March, and again in December. East Haven enjoys a generous amount of daylight all year round, with the duration ranging from a low of 9.6 hours in January to a high of 15.1 hours in June.
Temperature fluctuations are evident, with average high temperatures escalating from a cool 35.2°F (1.8°C) in January to a warm 80.4°F (26.9°C) in July, thereafter gradually diminishing towards the year's end. Likewise, the town experiences a rise in minimum temperatures from 25.3°F (-3.7°C) in January to 67.5°F (19.7°C) in July. Humidity stays relatively constant throughout the year, with average values revolving around the mid-70s percentile.
A glance at precipitation figures indicates a distribution pattern wherein rainfall intensifies from 0.51" (13mm) in January to its peak at 1.14" (29mm) in July, while snowfall predominantly occurs only in the winter months of January, February, and March, and again in December. East Haven enjoys a generous amount of daylight all year round, with the duration ranging from a low of 9.6 hours in January to a high of 15.1 hours in June.
The best time to visit East Haven
For most visitors to East Haven, the sun-kissed days of late spring and early summer, particularly from May to July, prove most appealing. During these months, temperatures reach a pleasurable average high ranging from 54.7°F (12.6°C) to 80.4°F (26.9°C). The average amount of daylight is also at its peak with 14.5 to 15.1 hours, backed by 8.8 to 10.6 hours of sunshine. Its comfortable humidity levels hanging around the high 70s percentile make it an ideal time to enjoy outdoor activities.
The worst time to visit East Haven
For those adverse to extreme cold, the winter months of December, January, and February would equate to the least favorable time to visit East Haven. In these months, average highs hover between 35.2°F (1.8°C) and 41.7°F (5.4°C), and lows plummet between 25.3°F (-3.7°C) and 32.4°F (0.2°C). Add to this the snowfall in these months, it makes for a less than inviting climate for those unaccustomed to cold weather.
Spring weather in East Haven
Springtime in East Haven from March to May ushers in a noticeable warming trend. As the seasons change, average high temperatures exhibit a considerable hike from 43.9°F (6.6°C) in March to 65.3°F (18.5°C) in May. Concurrently, average low temperatures also rise from 33.1°F (0.6°C) to 51.4°F (10.8°C) over these months. Incremental increase in rainfall is observed, going from 0.67" (17mm) in March to 0.83" (21mm) in May. The duration of daylight lengthens from 12 hours to 14.5 hours, inviting for more outdoor activities.
Summer weather in East Haven
Characterized by warm, longer days, summer in East Haven unfolds from June to August. Average high temperatures peak between 73.6°F (23.1°C) and 80.4°F (26.9°C), while average low temperature ranges from 60.3°F (15.7°C) to 67.5°F (19.7°C). With sunlight at its zenith around the summer solstice, East Haven experiences an average daylight duration of between 14.8 hours in June to 13.8 hours in August. Rainfall also reaches its annual apex at 1.14" (29mm) in July, making summer the wettest season in East Haven.
Autumn weather in East Haven
As leaves start to change color, Autumn creeps in East Haven from September to November. Temperatures exhibit a gradual cool down from the summer's warmth, with average highs descending from 72.5°F (22.5°C) in September to 50.7°F (10.4°C) in November. Meanwhile, average lows also decrease from 60.3°F (15.7°C) to 39.9°F (4.4°C). Rainfall persists but at a slightly lesser quantity than the summer, ranging from 0.51" (13mm) in September to 0.91" (23mm) in November.
Winter weather in East Haven
Winter in East Haven, spanning December through February, typically brings colder weather and snowfall. Average high temperatures fluctuate from 41.7°F (5.4°C) in December to 35.2°F (1.8°C) in January, while average lows fall between 32.4°F (0.2°C) and 25.3°F (-3.7°C). Though rainfall lessens compared to other seasons, snowfall makes its appearance in these months, with a significant amount of 0.55" (14mm) in March. East Haven sees its shortest days in winter with daylight hours decreasing to a yearly low of 9.3 hours in December.
Weather in January
January, often considered a bracing month in East Haven, Connecticut, could feel colder with temperatures plunging from 35.2°F (1.8°C) to 25.3°F (-3.7°C). The primary characteristic of January is its brisk, invariable chill. Weather in January »
Weather in February
In February, conditions in East Haven become progressively cooler with average high and low temperatures registering 37.9°F (3.3°C) and 26.6°F (-3°C) respectively. This infers an upward temperature shift in comparison to January; however, the weather remains fiercely wintry. Weather in February »
Weather in March
March mostly manifests as a transition month, as it exhibits a significant shift in weather conditions. Temperatures noticeably increase with the maximum temperature scaling up to 43.9°F (6.6°C) and the minimum to 33.1°F (0.6°C). Weather in March »
Weather in April
As April unfolds, East Haven weather adopts a mild stance with balmy spring conditions prevailing. The weather fluctuations from previous periods are gradually replaced by more stable patterns. April calls for warmer attire as the icy spell fades, transforming the town's atmosphere. Weather in April »
Weather in May
The influence of spring is pronounced during May. Maximum and minimum temperatures reach 65.3°F (18.5°C) and 51.4°F (10.8°C) respectively, providing the town with a pleasant weather during this month. Days in May often reflect vibrant hues deriving from blooming flora. Weather in May »
Weather in June
The festive month of June heralds the arrival of summer in East Haven. Temperatures continue to rise, giving citizens the opportunity to indulge in outdoor pursuits. While showers may occur sporadically, the overall weather scenario typically remains radiant. Weather in June »
Weather in July
Come July, East Haven experiences peak summer conditions with temperatures reaching a high of 80.4°F (26.9°C) and a low that indicates a balmy 67.5°F (19.7°C). The vibrant burst of summer is displayed in full measure. Noteworthy sunshine hours coupled with infrequent downpours contribute to the overall relaxed summer vibe. Weather in July »
Weather in August
The month of August, often touted as the summer zenith, carries forward the prevalent climatic trends from the previous month. Pleasingly high temperatures continue to rule, promoting a leisurely, relaxed atmosphere. Persistently clear skies render marvelous sunsets and vivacious starry nights. Weather in August »
Weather in September
September betokens the termination of summer and introduction of the temperate fall season. As Fall starts unveiling its charm, temperatures begin to recede, paving the way for a mellow weather scenario. September usually offers an exquisite blend of weather patterns. Weather in September »
Weather in October
October endorses the full onset of the vibrant autumn season in East Haven. The town brims with various shades of fall, driven by the changing leaf colors. A nip in the air, symbolizing the arrival of cooler weather, becomes noticeable. Weather in October »
Weather in November
November brings about a noteworthy decrease in temperatures, signaling the onset of the chilly winter season as values fall from 50.7°F (10.4°C) to 39.9°F (4.4°C). As the rustic autumn hues succumb to barren trees, a colder atmosphere prevails. Weather in November »
Weather in December
In December, East Haven finally embraces the winter season in full swing, as the temperatures settle between 41.7°F (5.4°C) and 32.4°F (0.2°C). As the snowflakes start to grace the town, December adds aesthetic value to the overall landscape. Weather in December »
Updated: Jun 3, 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
What part of the year is the coldest?
January stands out as East Haven's coldest month, with an average high-temperature of 35.2°F (1.8°C) and a low-temperature of 25.3°F (-3.7°C).
What is the driest month?
The months with the least rainfall are January and September Rain falls for 6.2 days and accumulates 0.51" (13mm) of rain.
How much does it rain?
Throughout the year, there are 112.8 rainfall days, and 9.8" (249mm) of precipitation is accumulated.
When does it snow?
January through March and December are months with snowfall.
How many days does it snow?
Throughout the year, there are 16.3 snowfall days, and 1.54" (39mm) of snow is accumulated.
What is the month with the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 4.8h of sunshine.
What is the snowiest month?
The month with the most snowfall is March, when snow falls for 3 days and typically aggregates up to 0.55" (14mm) 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 is April, with an average relative humidity of 72%.
When it does not snow?
April through November are months without snowfall.
What is the most humid month?
The most humid month in East Haven is June, with an average relative humidity of 77%.
When are the longest days in East Haven?
With an average of 15h and 6min of daylight, June has the longest days of the year.
What are the months with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What part of the year is the hottest?
In East Haven, July is known for its average highest temperatures, reaching a high of 80.4°F (26.9°C) and a low of 67.5°F (19.7°C).
What is the wettest month?
July is the month with the most rainfall. Rain falls for 12.8 days and accumulates 1.14" (29mm) of precipitation.
What is the month with the most sunshine?
July and August, with an average of 10.6h of sunshine, are months with the most sunshine.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
East Haven, CT
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (35.2°F).
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure
East Haven, CT
- Average pressure in January:
30.04"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:
30.09"Hg - Average pressure in December:
30.06"Hg
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
East Haven, CT
- Average wind speed in January:
10.4mph - Average wind speed in February:
10mph - Average wind speed in March:
10.1mph - Average wind speed in April:
9.4mph - Average wind speed in May:
7.9mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.3mph - Average wind speed in November:
9.8mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity
East Haven, CT
The month with the highest relative humidity is June (77%).
The month with the lowest relative humidity is April (72%).
Average rainfall
East Haven, CT
- Average rainfall in January:
0.51" - Average rainfall in February:
0.55" - Average rainfall in March:
0.67" - Average rainfall in April:
0.83" - Average rainfall in May:
0.83" - Average rainfall in June:
0.83"
- Average rainfall in July:
1.14" - Average rainfall in August:
0.98" - Average rainfall in September:
0.51" - Average rainfall in October:
0.94" - Average rainfall in November:
0.91" - Average rainfall in December:
1.1"
The wettest month (with the highest rainfall) is July (1.14").
The driest months (with the least rainfall) are January and September (0.51").
Average rainfall days
East Haven, CT
- Average rainfall days in January:
6.2 days - Average rainfall days in February:
6.7 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
10.1 days - Average rainfall days in May:
11.3 days - Average rainfall days in June:
11.2 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
8.6 days - Average rainfall days in November:
6.7 days - Average rainfall days in December:
9.1 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is January (6.2 days).
Average snowfall
East Haven, CT
The month with the highest snowfall is March (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
East Haven, CT
- Average snowfall days in January:
5.1 days - Average snowfall days in February:
4.7 days - Average snowfall days in March:
3 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 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 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
2.7 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
East Haven, CT
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
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 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 3min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
East Haven, CT
- Average sunshine days in January:
20.7 days - Average sunshine days in February:
17.6 days - Average sunshine days in March:
19.4 days - Average sunshine days in April:
18.2 days - Average sunshine days in May:
16.8 days - Average sunshine days in June:
17.3 days
- Average sunshine days in July:
16.4 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
18.7 days - Average sunshine days in October:
19.8 days - Average sunshine days in November:
21.1 days - Average sunshine days in December:
19.3 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is August (16.3 days).
Average UV index
East Haven, 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
East Haven, 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
East Haven, 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).
East Haven, Connecticut, USA
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