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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 Darien, Connecticut, is another cold winter month, with an average temperature ranging between min 26.4°F (-3.1°C) and max 36.1°F (2.3°C). January, with its high-temperature average of 36.1°F (2.3°C) and a low-temperature average of 26.4°F (-3.1°C), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Darien, is also a wintry month, with an average temperature ranging between max 38.3°F (3.5°C) and min 27.9°F (-2.3°C). February brings an average high-temperature of a still icy 38.3°F (3.5°C), showing a slight difference from January's 36.1°F (2.3°C). Weather in February »
Weather in March
March, the first month of the spring in Darien, is a chilly month, with an average temperature varying between 44.6°F (7°C) and 34.2°F (1.2°C). March comes with a subtle rise, with the average high-temperature adjusting from a cold 38.3°F (3.5°C) in February to a chilly 44.6°F (7°C). Weather in March »
Weather in April
April is a mild spring month in Darien, Connecticut, with an average temperature varying between 43.3°F (6.3°C) and 55.4°F (13°C). The start of April is characterized by an increase in the average high-temperature, transitioning from a chilly 44.6°F (7°C) in March to a refreshing 55.4°F (13°C). Weather in April »
Weather in May
May, the last month of the spring in Darien, is a refreshing month, with temperature in the range of an average high of 65.8°F (18.8°C) and an average low of 53.1°F (11.7°C). May marks a rise in the average high-temperature, moving from April's mild 55.4°F (13°C) to an enjoyable 65.8°F (18.8°C). Weather in May »
Weather in June
June, the first month of the summer in Darien, is a warm month, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 74.1°F (23.4°C). With the start of June, the average high-temperature marginally shifts from May's enjoyable 65.8°F (18.8°C) to a warm 74.1°F (23.4°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Darien, Connecticut, with an average temperature fluctuating between 68.9°F (20.5°C) and 81.3°F (27.4°C). July, with an average high of 81.3°F (27.4°C) and a low of 68.9°F (20.5°C), signifies the warmest month of the year. July's mean heat index is computed to be a hot 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Darien, Connecticut, with temperature in the range of an average high of 80.4°F (26.9°C) and an average low of 68.5°F (20.3°C). Darien indicates an average high-temperature of a still warm 80.4°F (26.9°C) in August, showing minor variation from July's 81.3°F (27.4°C). Weather in August »
Weather in September
September, the first month of the autumn in Darien, is still a pleasant month, with an average temperature fluctuating between 73.2°F (22.9°C) and 62.1°F (16.7°C). The onset of September brings a small shift in high-temperatures, falling from a warm 80.4°F (26.9°C) in August to an agreeable 73.2°F (22.9°C). Weather in September »
Weather in October
October, like September, in Darien, Connecticut, is another refreshing autumn month, with an average temperature fluctuating between 62.2°F (16.8°C) and 52.3°F (11.3°C). In Darien, entering October brings a temperature decrement, reducing from September's pleasant 73.2°F (22.9°C) to an enjoyable 62.2°F (16.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Darien, is also a fresh month, with an average temperature ranging between max 50.9°F (10.5°C) and min 40.8°F (4.9°C). With November's arrival, Darien's weather changes as the average high-temperature falls from a refreshing 62.2°F (16.8°C) in October to a fresh 50.9°F (10.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Darien, Connecticut, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 33.3°F (0.7°C). A decrease in the average high-temperature is observed during December, shifting from a fresh 50.9°F (10.5°C) in November to a cold 41.9°F (5.5°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Darien?
With an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 26.4°F (-3.1°C), January is the coldest month in Darien, Connecticut.
What is the driest month in Darien?
The month with the least rainfall is January, when the rain falls for 8.8 days and typically collects 2.48" (63mm) of precipitation.
How many days does it rain in Darien?
Throughout the year, there are 166.4 rainfall days, and 38.7" (983mm) of precipitation is accumulated.
When does it snow in Darien?
January through April, November and December are months with snowfall in Darien.
How much does it snow in Darien?
In Darien, during the entire year, snow falls for 25.7 days and aggregates up to 9.09" (231mm) of snow.
What is the month with the lowest UV index in Darien?
The months with the lowest UV index in Darien are January through March, November and December, with an average maximum UV index of 2.
When does it snow the most in Darien?
February is the month with the most snowfall. Snow falls for 7.8 days and accumulates 2.64" (67mm) of snow.
What is the month with the least sunshine in Darien?
February has the least sunshine of the year in Darien, with an average of 4.6h of sunshine.
When is Daylight Saving Time (DST) in Darien?
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 in Darien?
April, August and November, with an average relative humidity of 72%, are the least humid months.
What is the most humid month in Darien?
With an average relative humidity of 76%, May is the most humid month.
When it does not snow in Darien?
May through October are months without snowfall in Darien.
When are the longest days in Darien?
With an average of 15h and 6min of daylight, June has the longest days of the year in Darien, Connecticut.
When is the highest UV index in Darien?
The months with the highest UV index in Darien, Connecticut, are June through August, with an average maximum UV index of 6.
What is the hottest time of year in Darien?
Temperature records in Darien mark July as the warmest month, with highs averaging 81.3°F (27.4°C) and lows at 68.9°F (20.5°C).
What is the rainiest month in Darien?
The months with the most rainfall in Darien are July and December, with an average 4.17" (106mm) of precipitation.
What month has the most sunshine in Darien?
July has the most sunshine of the year in Darien, with an average of 10.4h of sunshine.
What is the month with the shortest days in Darien?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
Average temperature
Darien, CT
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (36.1°F).
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure
Darien, CT
- Average pressure in January:
30.05"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
30.05"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:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Darien, CT
- Average wind speed in January:
10.3mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.9mph - Average wind speed in April:
9.3mph - Average wind speed in May:
7.6mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity
Darien, CT
The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are April, August and November (72%).
Average rainfall
Darien, CT
- Average rainfall in January:
2.48" - Average rainfall in February:
2.52" - Average rainfall in March:
3.03" - Average rainfall in April:
3.19" - Average rainfall in May:
3.19" - Average rainfall in June:
3.31"
- Average rainfall in July:
4.17" - Average rainfall in August:
3.46" - Average rainfall in September:
2.76" - Average rainfall in October:
3.54" - Average rainfall in November:
2.87" - Average rainfall in December:
4.17"
The wettest months (with the highest rainfall) are July and December (4.17").
The driest month (with the least rainfall) is January (2.48").
Average rainfall days
Darien, CT
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
17 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
16.4 days - Average rainfall days in September:
13.1 days - Average rainfall days in October:
14.3 days - Average rainfall days in November:
10.6 days - Average rainfall days in December:
12.4 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8.8 days).
Average snowfall
Darien, CT
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Darien, CT
- Average snowfall days in January:
7.1 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
5 days - Average snowfall days in April:
0.5 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:
4.2 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Darien, 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 0min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 1min - 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 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Darien, CT
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
13.5 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
14.7 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
14.3 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (10.8 days).
Average UV index
Darien, 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
Darien, CT
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Darien, 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).
Darien, Connecticut, USA
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