Climate and monthly weather forecastMuttontown, NY

Climate and monthly weather forecast

Weather in January

January, the same as December, is another cold winter month in Muttontown, New York, with an average temperature fluctuating between 28.8°F (-1.8°C) and 37.4°F (3°C). January is the month when Muttontown sees the lowest average temperatures, with a high of 37.4°F (3°C) and a low of 28.8°F (-1.8°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Muttontown, New York, with temperature in the range of an average high of 39.4°F (4.1°C) and an average low of 30.2°F (-1°C). February's average high-temperature is a still icy 39.4°F (4.1°C), maintaining a close comparison with January's 37.4°F (3°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Muttontown, New York, with an average temperature ranging between min 36°F (2.2°C) and max 44.6°F (7°C). Entering March, the average high-temperature is recorded at a chilly 44.6°F (7°C), exhibiting a minimal shift from February's 39.4°F (4.1°C). Weather in March »

Weather in April

April is a cool spring month in Muttontown, New York, with an average temperature ranging between min 44.8°F (7.1°C) and max 53.8°F (12.1°C). In Muttontown, stepping into April brings a temperature increase, moving up from March's chilly 44.6°F (7°C) to a cool 53.8°F (12.1°C). Weather in April »

Weather in May

May, the last month of the spring in Muttontown, is a comfortable month, with an average temperature fluctuating between 54.3°F (12.4°C) and 63.7°F (17.6°C). The arrival of May brings a change in Muttontown's weather, with average high-temperatures moving from April's fresh 53.8°F (12.1°C) to a comfortable 63.7°F (17.6°C). Weather in May »

Weather in June

June, the first month of the summer in Muttontown, is an agreeable month, with an average temperature fluctuating between 72.7°F (22.6°C) and 63.9°F (17.7°C). In Muttontown, stepping into June brings a temperature increase, moving up from May's comfortable 63.7°F (17.6°C) to an agreeable 72.7°F (22.6°C). Weather in June »

Weather in July

July in Muttontown, New York, is a warm summer month, with temperature in the range of an average low of 71.2°F (21.8°C) and an average high of 80.1°F (26.7°C). July stands out as Muttontown's warmest month, with temperatures ranging between an average high of 80.1°F (26.7°C) and a low of 71.2°F (21.8°C). Weather in July »

Weather in August

August, the last month of the summer in Muttontown, is another warm month, with an average temperature fluctuating between 79.2°F (26.2°C) and 71.2°F (21.8°C). August's advent denotes a minor fluctuation in the average high-temperature to a still moderately hot 79.2°F (26.2°C) from July's 80.1°F (26.7°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Muttontown, New York, with an average temperature varying between 72.5°F (22.5°C) and 64.8°F (18.2°C). As Muttontown enters September, the average high-temperature subtly lowers from the a warm 79.2°F (26.2°C) of August to an agreeable 72.5°F (22.5°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Muttontown, New York, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 54.5°F (12.5°C). Start of October brings a shift in the average high-temperature, falling from September's pleasant 72.5°F (22.5°C) to a comfortable 62.4°F (16.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Muttontown, New York, with temperature in the range of an average high of 51.4°F (10.8°C) and an average low of 43.7°F (6.5°C). November's arrival correlates with a reduction in the average high-temperature, down from a refreshing 62.4°F (16.9°C) in October to a fresh 51.4°F (10.8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Muttontown, New York, with an average temperature ranging between min 35.8°F (2.1°C) and max 43.3°F (6.3°C). Muttontown records a mild change in average high-temperature during December, easing from a cool 51.4°F (10.8°C) in November to a chilly 43.3°F (6.3°C). Weather in December »
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January, recording an average high temperature of 37.4°F (3°C) and a low temperature of 28.8°F (-1.8°C), is Muttontown's coldest month.

Throughout the year, there are 103.6 rainfall days, and 7.83" (199mm) of precipitation is accumulated.

January through March and December are months with snowfall.

Throughout the year, there are 14.8 snowfall days, and 1.34" (34mm) of snow is accumulated.

The months with the lowest UV index are January through March and December, with an average maximum UV index of 2.

February has the least sunshine of the year, with an average of 4.7h of sunshine.

March is the month with the most snowfall. Snow falls for 2.9 days and accumulates 0.43" (11mm) of snow.

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.

In Muttontown, New York, snow does not fall in April through November.

The months with the highest humidity are May and June, with an average relative humidity of 76%.

With an average of 15h and 6min of daylight, June has the longest days of the year in Muttontown.

June through August, with an average maximum UV index of 6, are months with the highest UV index.

July, on average, is the warmest month, registering a high temperature of 80.1°F (26.7°C) and a low of 71.2°F (21.8°C).

July is the month with the most rainfall. Rain falls for 11.3 days and accumulates 0.87" (22mm) of precipitation.

With an average of 10.8h of sunshine, July has the most sunshine of the year.

The month with the least rainfall is September, when the rain falls for 8.8 days and typically collects 0.35" (9mm) of precipitation.

The least humid month is November, with an average relative humidity of 71%.

With an average of 9h and 18min of daylight, December has the shortest days of the year.

Average temperature
Muttontown, NY

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37.4°F).

The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure
Muttontown, NY

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Muttontown, NY

The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

Average humidity
Muttontown, NY

The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).

Average rainfall
Muttontown, NY

The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is September (0.35").

Average rainfall days
Muttontown, NY

The month with the highest number of rainy days is July (11.3 days).
The month with the least rainy days is January (5.4 days).

Average snowfall
Muttontown, NY

The month with the highest snowfall is March (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days
Muttontown, NY

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Muttontown, NY

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).

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

Average sunshine days
Muttontown, NY

The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is July (16.9 days).

Average UV index
Muttontown, NY

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 and December (UV index 2).

Average cloud cover
Muttontown, NY

The month with the most cloud cover is December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility
Muttontown, NY

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).