Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
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). During the nights in April, Darien experiences a consistent average temperature of 43.3°F (6.3°C).Humidity
April, August and November, with an average relative humidity of 72%, are the least humid months.Rainfall
In Darien, in April, during 15.9 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. Throughout the year, in Darien, there are 166.4 rainfall days, and 38.7" (983mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.5 snowfall days, in April, Darien aggregates 0.08" (2mm) of snow. In Darien, during the entire year, snow falls for 25.7 days and aggregates up to 9.09" (231mm) of snow.Daylight
In Darien, the average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:19 pm. On the last day of April, in Darien, sunrise is at 5:51 am and sunset at 7:50 pm EDT.
Sunshine
The average sunshine in April is 8.3h.UV index
In Darien, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 3 in April interprets into the following advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What are the temperatures in Darien in April?
What is the least humid month in Darien?
What is the average humidity in April in Darien?
How many days does it rain in April in Darien?
What is the last month it snows in Darien?
How many hours of daylight does Darien have in April?
When are sunrise and sunset in April in Darien?
How long on average sun shines in April in Darien?
How high is the UV index in April in Darien?
Average temperature in April
Darien, CT
- Average high temperature in April: 55.4°F
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).
- Average low temperature in April: 43.3°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 in April
Darien, CT
- Average pressure in April: 29.98"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 in April
Darien, CT
- Average wind speed in April: 9.3mph
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 in April
Darien, CT
- Average humidity in April: 72%
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 in April
Darien, CT
- Average rainfall in April: 3.19"
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 in April
Darien, CT
- Average rainfall days in April: 15.9 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 in April
Darien, CT
- Average snowfall in April: 0.08"
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 in April
Darien, CT
- Average snowfall days in April: 0.5 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 in April /
Average sunshine in April
Darien, CT
- Average daylight in April: 13h 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 April: 8h and 2min
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 in April
Darien, CT
- Average sunshine days in April: 11.9 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 in April
Darien, CT
- Average UV index in April: 3
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 in April
Darien, CT
- Average cloud cover in April: 45
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 in April
Darien, CT
- Average visibility in April: 6mi
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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