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Contents
- 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
Weather in January
January, like December, in East Haddam, Connecticut, is an icy winter month, with temperature in the range of an average high of 34.7°F (1.5°C) and an average low of 22.8°F (-5.1°C). East Haddam records the coldest temperatures in January, averaging a high of 34.7°F (1.5°C) and a low of 22.8°F (-5.1°C). Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in East Haddam, Connecticut, with an average temperature varying between 23.4°F (-4.8°C) and 37.8°F (3.2°C). The ushering in of February brings an average high-temperature of a still wintry 37.8°F (3.2°C), closely mirroring the 34.7°F (1.5°C) of January. Weather in February »
Weather in March
March, the first month of the spring in East Haddam, is a chilly month, with an average temperature ranging between max 45°F (7.2°C) and min 30.6°F (-0.8°C). With the onset of March, East Haddam experiences a subtle temperature shift, with the average high-temperature moving from a wintry 37.8°F (3.2°C) in February to a chilly 45°F (7.2°C). Weather in March »
Weather in April
April is a moderate spring month in East Haddam, Connecticut, with an average temperature ranging between max 56.7°F (13.7°C) and min 40.3°F (4.6°C). An escalation in the average high-temperature is seen with the onset of April, moving from a frosty 45°F (7.2°C) in March to a mild 56.7°F (13.7°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in East Haddam, Connecticut, with an average temperature varying between 68°F (20°C) and 49.5°F (9.7°C). With the onset of May, East Haddam sees a temperature rise, with the average high-temperature moving from April's moderate 56.7°F (13.7°C) to an agreeable 68°F (20°C). Weather in May »
Weather in June
June, the first month of the summer in East Haddam, is a moderately hot month, with an average temperature varying between 75.7°F (24.3°C) and 57.2°F (14°C). The coming of June brings a minor shift in East Haddam's weather, with average high-temperatures adjusting from May's pleasant 68°F (20°C) to a warm 75.7°F (24.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in East Haddam, Connecticut, with temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 82.6°F (28.1°C). July, with average temperatures reaching a high of 82.6°F (28.1°C) and a low of 63.9°F (17.7°C), is the warmest month. In July, the heat index is calculated to be a tropical 89.6°F (32°C). Weather in July »
Weather in August
August, the last month of the summer in East Haddam, is another warm month, with temperature in the range of an average high of 80.4°F (26.9°C) and an average low of 62.8°F (17.1°C). August commences with an average high-temperature of a still warm 80.4°F (26.9°C), showing little deviation from July's 82.6°F (28.1°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in East Haddam, Connecticut, with temperature in the range of an average low of 56.7°F (13.7°C) and an average high of 73.4°F (23°C). The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from 80.4°F (26.9°C) to a still warm 73.4°F (23°C). Weather in September »
Weather in October
October, like September, in East Haddam, Connecticut, is another enjoyable autumn month, with an average temperature ranging between max 61.7°F (16.5°C) and min 48°F (8.9°C). In East Haddam, the beginning of October is marked by a lowered average high-temperature, shifting from September's moderately hot 73.4°F (23°C) to an enjoyable 61.7°F (16.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in East Haddam, Connecticut, with an average temperature ranging between max 50°F (10°C) and min 37.6°F (3.1°C). The onset of November is marked by a decrease in temperature, transitioning from a refreshing 61.7°F (16.5°C) in October to a cool 50°F (10°C). Weather in November »
Weather in December
December, the first month of the winter in East Haddam, is also an icy month, with temperature in the range of an average high of 40.6°F (4.8°C) and an average low of 30°F (-1.1°C). East Haddam's progression into December involves a drop in the average high-temperature, receding from a fresh 50°F (10°C) in November to an icy 40.6°F (4.8°C). Weather in December »
Updated: Jul 24, 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 time of the year is the coldest in East Haddam?
January proves to be the coldest month, recording an average maximum temperature of 34.7°F (1.5°C) and a minimum temperature of 22.8°F (-5.1°C).
How many days does it rain?
In East Haddam, Connecticut, during the entire year, the rain falls for 109.9 days and collects up to 11.14" (283mm) of precipitation.
When does it snow?
Months with snowfall are January through May, November and December.
How many days does it snow in East Haddam?
In East Haddam, during the entire year, snow falls for 19.9 days and aggregates up to 3.7" (94mm) of snow.
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 most humid month?
With an average relative humidity of 78%, February is the most humid month.
What is the month with the least sunshine?
With an average of 4.5h of sunshine, February has the least sunshine of the year.
What is the snowiest month?
The month with the most snowfall is March, when snow falls for 4.9 days and typically aggregates up to 1.14" (29mm) 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?
With an average relative humidity of 72%, April is the least humid month.
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 are the months with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What time of the year is the hottest?
East Haddam's warmest temperatures are experienced in July, with average high temperatures of 82.6°F (28.1°C) and lows of 63.9°F (17.7°C).
What is the wettest month?
The month with the most rainfall is July, when the rain falls for 12.7 days and typically aggregates up to 1.18" (30mm) of precipitation.
What is the month 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?
September is the month with the least rainfall. Rain falls for 8.5 days and accumulates 0.39" (10mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 12min of daylight.
Average temperature
East Haddam, CT
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (34.7°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 (22.8°F).
Average pressure
East Haddam, 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
East Haddam, CT
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.4mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.2mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.5mph - Average wind speed in November:
7.8mph - Average wind speed in December:
8.4mph
The windiest months (with the highest average wind speed) are January and March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity
East Haddam, CT
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall
East Haddam, CT
- Average rainfall in January:
0.75" - Average rainfall in February:
0.63" - Average rainfall in March:
0.75" - Average rainfall in April:
1.1" - Average rainfall in May:
0.91" - Average rainfall in June:
1.06"
- Average rainfall in July:
1.18" - Average rainfall in August:
1.02" - Average rainfall in September:
0.39" - Average rainfall in October:
1.06" - Average rainfall in November:
1.14" - Average rainfall in December:
1.14"
The wettest month (with the highest rainfall) is July (1.18").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days
East Haddam, CT
- Average rainfall days in January:
5.9 days - Average rainfall days in February:
6.4 days - Average rainfall days in March:
9.2 days - Average rainfall days in April:
10.6 days - Average rainfall days in May:
10.9 days - Average rainfall days in June:
9.8 days
- Average rainfall days in July:
12.7 days - Average rainfall days in August:
11.1 days - Average rainfall days in September:
8.5 days - Average rainfall days in October:
9.2 days - Average rainfall days in November:
7 days - Average rainfall days in December:
8.6 days
The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is January (5.9 days).
Average snowfall
East Haddam, CT
- Average snowfall in January:
0.67" - Average snowfall in February:
0.63" - Average snowfall in March:
1.14" - Average snowfall in April:
0.04" - Average snowfall in May:
0.35" - Average snowfall in June:
0"
The month with the highest snowfall is March (1.14").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
East Haddam, CT
- Average snowfall days in January:
4.6 days - Average snowfall days in February:
5.2 days - Average snowfall days in March:
4.9 days - Average snowfall days in April:
0.6 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 days - Average snowfall days in November:
0.8 days - Average snowfall days in December:
3.7 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
East Haddam, 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 1min
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).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
4h and 3min - Average sunshine in March:
5h and 5min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 0min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 2min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days
East Haddam, CT
- Average sunshine days in January:
20.2 days - Average sunshine days in February:
17.6 days - Average sunshine days in March:
17.2 days - Average sunshine days in April:
17.3 days - Average sunshine days in May:
17.9 days - Average sunshine days in June:
17.6 days
- Average sunshine days in July:
16.3 days - Average sunshine days in August:
16.9 days - Average sunshine days in September:
19.1 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
19.2 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is July (16.3 days).
Average UV index
East Haddam, 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 Haddam, CT
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility
East Haddam, CT
The months with the highest visibility are January, March, April, September, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July and August (5mi).
East Haddam, Connecticut, USA
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