Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
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.Humidity
The average relative humidity in January is 73%.Rainfall
In Mattituck, during January, the rain falls for 9.7 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Mattituck, during the entire year, the rain falls for 156.9 days and collects up to 35.55" (903mm) of precipitation.Snowfall
January through March, May and December are months with snowfall. In Mattituck, in January, snow falls for 5.2 days, with typically accumulated 1.18" (30mm) of snow. In Mattituck, during the entire year, snow falls for 15.4 days and aggregates up to 5.43" (138mm) of snow.Daylight
In January, the average length of the day in Mattituck, New York, is 9h and 38min.On the first day of January in Mattituck, New York, sunrise is at 7:14 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:05 pm EST.
Sunshine
In January, the average sunshine is 5h.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the UV index of 2 transforms into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Mattituck?
How cold does it get in Mattituck in January?
What is the average humidity in January in Mattituck?
How many days does it rain in January in Mattituck?
How many days does it snow in January in Mattituck?
What is the average length of the day in January in Mattituck?
What time are sunrise and sunset in January in Mattituck?
How many hours of sunshine does Mattituck have in January?
What are the months with the lowest UV index in Mattituck?
What is the UV index reading in January in Mattituck?
Average temperature in January
Mattituck, NY
- Average high temperature in January: 39°F
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).
- Average low temperature in January: 31.3°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 in January
Mattituck, NY
- Average pressure in January: 30.03"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 in January
Mattituck, NY
- Average wind speed in January: 15.9mph
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 in January
Mattituck, NY
- Average humidity in January: 73%
The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (72%).
Average rainfall in January
Mattituck, NY
- Average rainfall in January: 2.56"
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 in January
Mattituck, NY
- Average rainfall days in January: 9.7 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 in January
Mattituck, NY
- Average snowfall in January: 1.18"
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 in January
Mattituck, NY
- Average snowfall days in January: 5.2 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 in January /
Average sunshine in January
Mattituck, NY
- Average daylight in January: 9h and 4min
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
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 in January
Mattituck, NY
- Average sunshine days in January: 15.3 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 in January
Mattituck, NY
- Average UV index in January: 2
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 in January
Mattituck, NY
- Average cloud cover in January: 47
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 in January
Mattituck, NY
- Average visibility in January: 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).
Mattituck, New York, USA
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