April weather forecastMamaroneck, NY

April

Weather in April

April is a mild spring month in Mamaroneck, New York, with an average temperature ranging between min 43.9°F (6.6°C) and max 57°F (13.9°C).

Temperature

April brings an increase in the average high-temperature, progressing from a chilly 45.9°F (7.7°C) in March to a mild 57°F (13.9°C). Throughout the nights in April, an average low-temperature of 43.9°F (6.6°C) is noted in Mamaroneck.

Humidity

In Mamaroneck, the average relative humidity in April is 71%.

Rainfall

In April, the rain falls for 14.1 days. Throughout April, 2.2" (56mm) of precipitation is accumulated. Throughout the year, in Mamaroneck, New York, there are 150.3 rainfall days, and 27.72" (704mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Mamaroneck. April is the last month it regularly snows. During 0.3 snowfall days, in April, Mamaroneck aggregates 0.08" (2mm) of snow. Throughout the year, in Mamaroneck, New York, there are 18.1 snowfall days, and 8.46" (215mm) of snow is accumulated.

Ocean temperature

In Mamaroneck, the average seawater temperature in April is 46°F (7.8°C).
Note: To swim in 46°F (7.8°C) at less than 50°F (10°C), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 55.4°F (13°C) is not welcoming.

Daylight

In Mamaroneck, the average length of the day in April is 13h and 20min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:20 pm. On the last day of April, sunrise is at 5:53 am and sunset at 7:50 pm EDT.

Sunshine

The average sunshine in April in Mamaroneck is 8.4h.

UV index

In Mamaroneck, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 4 in April interprets into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

April temperatures in Mamaroneck vary between a high-temperature of 57°F (13.9°C) and a low-temperature of 43.9°F (6.6°C).

In April, the average relative humidity in Mamaroneck, New York, is 71%.

In Mamaroneck, New York, during April, the rain falls for 14.1 days and regularly aggregates up to 2.2" (56mm) of precipitation.

April is the last month it regularly snows in Mamaroneck, New York. During 0.3 snowfall days, in April, Mamaroneck aggregates 0.08" (2mm) of snow.

In April, the average ocean temperature is 46°F (7.8°C). Swimming in 46°F (7.8°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.

In April, the average day length in Mamaroneck, New York, is 13h and 20min.

In April, on the first day of the month, sunrise is at 6:36 am and sunset at 7:20 pm. On the last day of the month, in Mamaroneck, sunrise is at 5:53 am and sunset at 7:50 pm EDT.

In Mamaroneck, the average sunshine duration in April is 8.4h.

The average daily maximum UV index in April in Mamaroneck, New York, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M April M J J A S O N D

Mar

April

May

Average high temperature

45.9°F

57°F

67.5°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.2mph

9.7mph

8.1mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

0.3

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

16.3

14.7

13.1

Average UV index

Average cloud cover

47%

44%

Average visibility

6mi

Average temperature in April
Mamaroneck, NY

Average high temperature in April: 57°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.3°F).

Average low temperature in April: 43.9°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

Average pressure in April
Mamaroneck, NY

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
Mamaroneck, NY

Average wind speed in April: 9mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

Average humidity in April
Mamaroneck, NY

Average humidity in April: 71%

The months with the highest relative humidity are February and December (75%).
The month with the lowest relative humidity is August (70%).

Average rainfall in April
Mamaroneck, NY

Average rainfall in April: 2.2"

The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are January and February (1.69").

Average rainfall days in April
Mamaroneck, NY

Average rainfall days in April: 14.1 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in April
Mamaroneck, NY

Average snowfall in April: 0.08"

The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in April
Mamaroneck, NY

Average snowfall days in April: 0.3 days

The months with the highest number of snowfall days are January and February (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in April
Mamaroneck, NY

Average sea temperature in April: 46°F

The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).

Average daylight in April /
Average sunshine in April
Mamaroneck, NY

Average daylight in April: 13h and 18min

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 24min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in April
Mamaroneck, NY

Average sunshine days in April: 14.7 days

The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (12 days).

Average UV index in April
Mamaroneck, NY

Average UV index in April: 4

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
Mamaroneck, NY

Average cloud cover in April: 44

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in April
Mamaroneck, NY

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).