Climate and monthly weather forecastMattituck, NY
Climate and monthly weather forecast
Weather in January
January, like December, in Mattituck, New York, is a wintry winter month, with an average temperature ranging between min 31.3°F (-0.4°C) and max 39°F (3.9°C). January, with its average high-temperature of 39°F (3.9°C) and an average low-temperature of 31.3°F (-0.4°C), holds the record as the coldest month. Weather in January »Weather in February
February, the last month of the winter in Mattituck, is also a wintry month, with an average temperature fluctuating between 39.7°F (4.3°C) and 31.8°F (-0.1°C). Mattituck notes an average high-temperature of a still cold 39.7°F (4.3°C) in February, displaying minor variation from January. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Mattituck, New York, with temperature in the range of an average low of 36.7°F (2.6°C) and an average high of 43°F (6.1°C). March's climate shows a minor adjustment in average high-temperatures to a frosty 43°F (6.1°C) from February's 39.7°F (4.3°C). Weather in March »Weather in April
April in Mattituck, New York, is a cool spring month, with temperature in the range of an average low of 44.8°F (7.1°C) and an average high of 50.4°F (10.2°C). April signals a minor shift in the average high-temperature, moving from March's chilly 43°F (6.1°C) to a fresh 50.4°F (10.2°C). Weather in April »Weather in May
The last month of the spring, May, is a moderate month in Mattituck, New York, with an average temperature fluctuating between 53.4°F (11.9°C) and 58.6°F (14.8°C). As May begins, there's a slight increase in the average high-temperature, moving from a cool 50.4°F (10.2°C) in April to a mild 58.6°F (14.8°C). Weather in May »Weather in June
June, the first month of the summer in Mattituck, is an agreeable month, with an average temperature fluctuating between 63°F (17.2°C) and 68°F (20°C). June brings a temperature increase, with average high-temperatures moving from May's moderate 58.6°F (14.8°C) to a pleasant 68°F (20°C). Weather in June »Weather in July
July is a warm summer month in Mattituck, New York, with an average temperature varying between 71.2°F (21.8°C) and 75.9°F (24.4°C). July, with average temperatures reaching a high of 75.9°F (24.4°C) and a low of 71.2°F (21.8°C), is the warmest month. Weather in July »Weather in August
The last month of the summer, August, is another warm month in Mattituck, New York, with an average temperature ranging between min 71.2°F (21.8°C) and max 75.7°F (24.3°C). The start of August sees the average high-temperature at a still warm 75.7°F (24.3°C), showing little difference from July's 75.9°F (24.4°C). Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Mattituck, New York, with an average temperature fluctuating between 70.9°F (21.6°C) and 65.7°F (18.7°C). The arrival of September records an average high-temperature of an agreeable 70.9°F (21.6°C), closely related to the 75.7°F (24.3°C) observed in August. Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Mattituck, New York, with an average temperature ranging between max 62.8°F (17.1°C) and min 56.7°F (13.7°C). As September transitions into October, Mattituck sees a gentle drop in the average high-temperature, transitioning from an agreeable 70.9°F (21.6°C) to a comfortable 62.8°F (17.1°C). Weather in October »Weather in November
November, the last month of the autumn in Mattituck, is another cool month, with an average temperature varying between 45.9°F (7.7°C) and 52.9°F (11.6°C). As October transitions into November, Mattituck sees a drop in the average high-temperature, transitioning from an enjoyable 62.8°F (17.1°C) to a fresh 52.9°F (11.6°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Mattituck, New York, with an average temperature varying between 38.3°F (3.5°C) and 45.3°F (7.4°C). The start of December involves a subtle temperature drop, shifting from a fresh 52.9°F (11.6°C) in November to a frosty 45.3°F (7.4°C). Weather in December »Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, marked by an average high-temperature of 39°F (3.9°C) and a low-temperature of 31.3°F (-0.4°C), is the coldest month in Mattituck.
Throughout the year, there are 156.9 rainfall days, and 35.55" (903mm) of precipitation is accumulated.
Months with snowfall are January through March, May and December.
Throughout the year, in Mattituck, there are 15.4 snowfall days, and 5.43" (138mm) of snow is accumulated.
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in Mattituck, New York.
March is the month with the most snowfall in Mattituck, New York. Snow falls for 2.7 days and accumulates 1.69" (43mm) 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.
April, June through November are months without snowfall.
The months with the highest humidity in Mattituck, New York, are May and June, with an average relative humidity of 81%.
With an average of 15h and 6min of daylight, June has the longest days of the year in Mattituck, New York.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
Mattituck's temperature records reveal July as the warmest month, marked by average highs of 75.9°F (24.4°C) and lows of 71.2°F (21.8°C).
With an average of 10.7h of sunshine, July has the most sunshine of the year in Mattituck.
The month with the least rainfall in Mattituck, New York, is September, when the rain falls for 11.7 days and typically collects 2.01" (51mm) of precipitation.
November is the least humid month, with an average relative humidity of 72%.
The month with the most rainfall in Mattituck is December, when the rain falls for 12.9 days and typically aggregates up to 4.06" (103mm) of precipitation.
December has the shortest days of the year in Mattituck, with an average of 9h and 18min of daylight.
With an average of 4.7h of sunshine, December has the least sunshine of the year in Mattituck.
Average temperature
Mattituck, NY
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (39°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 (31.3°F).
Average pressure
Mattituck, NY
- Average pressure in January:
30.03"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.04"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:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.05"Hg
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
Mattituck, NY
- Average wind speed in January:
15.9mph - Average wind speed in February:
15.2mph - Average wind speed in March:
15mph - Average wind speed in April:
13.7mph - Average wind speed in May:
11.9mph - Average wind speed in June:
10.7mph
- Average wind speed in July:
10.5mph - Average wind speed in August:
10.6mph - Average wind speed in September:
12.3mph - Average wind speed in October:
14.5mph - Average wind speed in November:
15.3mph - Average wind speed in December:
15.6mph
The windiest month (with the highest average wind speed) is January (15.9mph).
The calmest month (with the lowest average wind speed) is July (10.5mph).
Average humidity
Mattituck, NY
The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (72%).
Average rainfall
Mattituck, NY
- Average rainfall in January:
2.56" - Average rainfall in February:
2.68" - Average rainfall in March:
3.27" - Average rainfall in April:
3.11" - Average rainfall in May:
2.95" - Average rainfall in June:
2.64"
- Average rainfall in July:
3.15" - Average rainfall in August:
2.83" - Average rainfall in September:
2.01" - Average rainfall in October:
3.58" - Average rainfall in November:
2.72" - Average rainfall in December:
4.06"
The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days
Mattituck, NY
- Average rainfall days in January:
9.7 days - Average rainfall days in February:
10 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
16 days - Average rainfall days in June:
13.9 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
15.2 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
14 days - Average rainfall days in November:
10.1 days - Average rainfall days in December:
12.9 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9.7 days).
Average snowfall
Mattituck, NY
The month with the highest snowfall is March (1.69").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days
Mattituck, NY
- Average snowfall days in January:
5.2 days - Average snowfall days in February:
4.5 days - Average snowfall days in March:
2.7 days - Average snowfall days in April:
0.2 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 days - Average snowfall days in November:
0.4 days - Average snowfall days in December:
2.3 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Mattituck, NY
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h 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 January:
5h and 0min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 36min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days
Mattituck, NY
- Average sunshine days in January:
15.3 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
14 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
14.9 days
- Average sunshine days in July:
12.7 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
17 days - Average sunshine days in October:
15.2 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
14 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is February (12.3 days).
Average UV index
Mattituck, 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
Mattituck, NY
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Mattituck, 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).
