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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
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Hadlyme, Connecticut, with an average temperature varying between 25.5°F (-3.6°C) and 35.2°F (1.8°C). Hadlyme experiences its lowest average temperatures in January, reaching a peak of 35.2°F (1.8°C) and a minimum of 25.5°F (-3.6°C). Weather in January »
Weather in February
February, the last month of the winter in Hadlyme, is also an icy month, with temperature in the range of an average low of 26.2°F (-3.2°C) and an average high of 37.9°F (3.3°C). The shift into February finds Hadlyme at an average high-temperature of a still cold 37.9°F (3.3°C), closely comparable to January's conditions. Weather in February »
Weather in March
March, the first month of the spring in Hadlyme, is a chilly month, with an average temperature varying between 43.7°F (6.5°C) and 32.5°F (0.3°C). Hadlyme in March observes a minor temperature shift, with average high-temperatures adjusting from a cold 37.9°F (3.3°C) in February to a frosty 43.7°F (6.5°C). Weather in March »
Weather in April
April is a cool spring month in Hadlyme, Connecticut, with an average temperature ranging between min 41.7°F (5.4°C) and max 54.3°F (12.4°C). April's onset is marked by a temperature increase, moving from a chilly 43.7°F (6.5°C) in March to a fresh 54.3°F (12.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Hadlyme, Connecticut, with an average temperature fluctuating between 64.9°F (18.3°C) and 50.7°F (10.4°C). The arrival of May signals an increase in the average high-temperature, moving from a fresh 54.3°F (12.4°C) in April to a refreshing 64.9°F (18.3°C). Weather in May »
Weather in June
June, the first month of the summer in Hadlyme, is a pleasant month, with an average temperature ranging between min 58.8°F (14.9°C) and max 73°F (22.8°C). Hadlyme's transition into June brings a slight rise in the average high-temperature, moving from a refreshing 64.9°F (18.3°C) in May to a pleasant 73°F (22.8°C). Weather in June »
Weather in July
July in Hadlyme, Connecticut, is a warm summer month, with an average temperature ranging between max 79.7°F (26.5°C) and min 66.6°F (19.2°C). July temperatures tend to peak at an average high of 79.7°F (26.5°C) and dip to a low of 66.6°F (19.2°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Hadlyme, Connecticut, with an average temperature fluctuating between 78.6°F (25.9°C) and 65.7°F (18.7°C). Hadlyme's August average high-temperature settles at a still moderately hot 78.6°F (25.9°C), showing a near match with the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Hadlyme, Connecticut, with temperature in the range of an average high of 72.3°F (22.4°C) and an average low of 59.5°F (15.3°C). Transition into September subtly marks a drop in the average high-temperature, moderately moving from a moderately hot 78.6°F (25.9°C) in August to an agreeable 72.3°F (22.4°C). Weather in September »
Weather in October
October, like September, in Hadlyme, Connecticut, is another comfortable autumn month, with temperature in the range of an average high of 61.9°F (16.6°C) and an average low of 50.5°F (10.3°C). Onset of October witnesses a reduction in the average high-temperature, falling from an agreeable 72.3°F (22.4°C) in September to a comfortable 61.9°F (16.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Hadlyme, Connecticut, with temperature in the range of an average high of 50.7°F (10.4°C) and an average low of 39.9°F (4.4°C). The commencement of November indicates a shift in the average high-temperature, receding from October's enjoyable 61.9°F (16.6°C) to a cool 50.7°F (10.4°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Hadlyme, Connecticut, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 32.4°F (0.2°C). The start of December involves a subtle temperature drop, shifting from a cool 50.7°F (10.4°C) in November to a wintry 41.9°F (5.5°C). Weather in December »
Updated: Aug 19, 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 month is the coldest?
Hadlyme's coldest month, January, generally records average temperatures ranging from a high of 35.2°F (1.8°C) to a low of 25.5°F (-3.6°C).
How many days does it rain?
Throughout the year, there are 166.2 rainfall days, and 34.8" (884mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, November and December.
How many days does it snow?
Throughout the year, there are 24.2 snowfall days, and 9.53" (242mm) of snow is accumulated.
What are the months with 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 are the months with the least sunshine?
February and December, with an average of 4.8h of sunshine, are months with the least sunshine.
When does it snow the most?
The month with the most snowfall is March, when snow falls for 4.7 days and typically aggregates up to 2.76" (70mm) 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 73%, April is the least humid month.
What are the most humid months?
May through July, with an average relative humidity of 78%, are most humid months.
When it does not snow?
In Hadlyme, snow does not fall in June through October.
When are the longest days?
June has the longest days of the year, 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?
In Hadlyme, temperatures reach their average annual highs in July, measuring 79.7°F (26.5°C) and a minimum average of 66.6°F (19.2°C).
What month has the most sunshine?
August has the most sunshine of the year, with an average of 10.6h of sunshine.
What is the driest month?
September is the month with the least rainfall. Rain falls for 13 days and accumulates 1.93" (49mm) of precipitation.
What is the rainiest month?
The month with the most rainfall in Hadlyme is December, when the rain falls for 13 days and typically aggregates up to 3.66" (93mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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 daylight / Average sunshine
Hadlyme, 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:
5h and 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 4min - Average sunshine in September:
8h and 5min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
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
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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
Hadlyme, 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).