April weather forecast
Old Saybrook, CT

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Weather in April

April ushers in a definitive shift in the weather. Temperatures rise significantly, the landscape transforms with blooming flowers, and residents enjoy extended daylight hours. Rainfall proves frequent as April lives up to the proverb, "April showers bring May flowers." The winds in April soften, with gusts decreasing from March's 16.5mph (26.6km/h) to a milder 15.6mph (25.1km/h). The temperature fluctuates from 41.7°F (5.4°C) to 54.3°F (12.4°C), giving April a notably warmer and more comfortable atmosphere than March.

Temperature

As April arrives, Old Saybrook's weather shows an increase in high-temperatures, moving from March's frosty 43.7°F (6.5°C) to a fresh 54.3°F (12.4°C). Old Saybrook witnesses a consistent average low-temperature of 41.7°F (5.4°C) throughout April.

Humidity

With an average relative humidity of 73%, April is the least humid month.

Rainfall

In Old Saybrook, in April, it is raining for 15.2 days, with typically 3.23" (82mm) of accumulated precipitation. Throughout the year, there are 166.2 rainfall days, and 34.8" (884mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. In Old Saybrook, in April, snow falls for 0.7 days, with typically accumulated 0.08" (2mm) of snow. Throughout the year, in Old Saybrook, there are 24.2 snowfall days, and 9.53" (242mm) of snow is accumulated.

Ocean temperature

In Old Saybrook, in April, the average water temperature is 44.4°F (6.9°C).
Note: Beware of 44.4°F (6.9°C) waters at 55.4°F (13°C), they're uninviting, and a dip below 50°F (10°C) has risks of breath loss and cold shock, contingent on health.

Daylight

In April, the average length of the day is 13h and 21min.
On the first day of April, sunrise is at 6:31 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 7:46 pm EDT.

Sunshine

In April, the average sunshine is 8.4h.

UV index

The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In April, the maximum UV index of 3 suggests these recommendations:
Heed the precautions - It is counselled to guard against solar damage. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What are April temperatures in Old Saybrook?

In Old Saybrook, in April, the average high-temperature is 54.3°F (12.4°C), and the average low-temperature is 41.7°F (5.4°C).

What is the least humid month in Old Saybrook?

The least humid month in Old Saybrook is April, with an average relative humidity of 73%.

What is the average humidity in April in Old Saybrook?

In Old Saybrook, the average relative humidity in April is 73%.

How much does it rain in Old Saybrook in April?

In April, in Old Saybrook, Connecticut, the rain falls for 15.2 days. Throughout April, 3.23" (82mm) of precipitation is accumulated.

How many days does it snow in April in Old Saybrook?

In Old Saybrook, Connecticut, during April, snow falls for 0.7 days and regularly aggregates up to 0.08" (2mm) of snow.

What is the ocean temperature in April in Old Saybrook?

In Old Saybrook, Connecticut, in April, the average water temperature is 44.4°F (6.9°C). Swimming in 44.4°F (6.9°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Old Saybrook have in April?

The average day length in April in Old Saybrook is 13h and 21min.

When are sunrise and sunset in April in Old Saybrook?

In April, on the first day of the month, sunrise is at 6:31 am and sunset at 7:15 pm. On the last day of the month, in Old Saybrook, Connecticut, sunrise is at 5:47 am and sunset at 7:46 pm EDT.

How long on average sun shines in April in Old Saybrook?

In Old Saybrook, Connecticut, the average sunshine duration in April is 8.4h.

What is the UV index intensity in April in Old Saybrook?

The average daily maximum UV index in April in Old Saybrook is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Old Saybrook, CT

Average temperature in April - Old Saybrook, CT
  • Average high temperature in April: 54.3°F

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).

  • Average low temperature in April: 41.7°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).

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Average pressure in April
Old Saybrook, CT

Average pressure in April - Old Saybrook, CT
  • Average pressure in April: 29.98"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).

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Average wind speed in April
Old Saybrook, CT

Average wind speed in April - Old Saybrook, CT
  • Average wind speed in April: 9.8mph

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).

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Average humidity in April
Old Saybrook, CT

Average humidity in April - Old Saybrook, CT
  • Average humidity in April: 73%

The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in April
Old Saybrook, CT

Average rainfall in April - Old Saybrook, CT
  • Average rainfall in April: 3.23"

The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in April
Old Saybrook, CT

Average rainfall days in April - Old Saybrook, CT
  • Average rainfall days in April: 15.2 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).

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Average snowfall in April
Old Saybrook, CT

Average snowfall in April - Old Saybrook, CT
  • Average snowfall in April: 0.08"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in April
Old Saybrook, CT

Average snowfall days in April - Old Saybrook, CT
  • Average snowfall days in April: 0.7 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).

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Average sea temperature in April
Old Saybrook, CT

Average sea temperature in April - Old Saybrook, CT
  • Average sea temperature in April: 44.4°F

The best month for swimming (with the highest average sea temperature) is August (72.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).

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Average daylight in April /
Average sunshine in April
Old Saybrook, CT

Average daylight in April / Average sunshine in April - Old Saybrook, 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 August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

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Average sunshine days in April
Old Saybrook, CT

Average sunshine days in April - Old Saybrook, CT
  • Average sunshine days in April: 12.7 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).

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Average UV index in April
Old Saybrook, CT

Average UV index in April - Old Saybrook, 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).

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Average cloud cover in April
Old Saybrook, CT

Average cloud cover in April - Old Saybrook, CT
  • Average cloud cover in April: 44

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).

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Average visibility in April
Old Saybrook, CT

Average visibility in April - Old Saybrook, 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).

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Old Saybrook, Connecticut, USA

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