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
Mastic, New York, reaches its lowest average temperatures in January, measuring 38.7°F (3.7°C) at the peak and 30.6°F (-0.8°C) at the lowest.Humidity
In January, the average relative humidity is 73%.Rainfall
January, February and September are months with the least rain in Mastic when the rain falls for 10.1 days and typically aggregates up to 2.01" (51mm) of rain.Snowfall
Months with snowfall are January through April, November and December. January is the month with the most snowfall in Mastic. Snow falls for 5.3 days and accumulates 1.5" (38mm) of snow.Daylight
In Mastic, the average length of the day in January is 9h and 38min.On the first day of January in Mastic, sunrise is at 7:15 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:06 pm EST.
Sunshine
In Mastic, the average sunshine in January is 5.1h.UV index
The months with the lowest UV index in Mastic, New York, are January through March and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 2 during January leads to these instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What are the coldest months in Mastic?
Is January cold in Mastic?
What is the average humidity in January in Mastic?
What is the driest month in Mastic?
How much does it rain in Mastic in January?
What is the snowiest month in Mastic?
How many days does it snow in January in Mastic?
What is the average length of the day in January in Mastic?
When is the sunrise / sunset in January in Mastic?
How long on average sun shines in January in Mastic?
What are the months with the lowest UV index in Mastic?
How high is the UV index in January in Mastic?
Average temperature in January
Mastic, NY
- Average high temperature in January: 38.7°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in January: 30.6°F
The months with the highest average low temperature are July and August (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in January
Mastic, NY
- Average pressure in January: 30.04"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
Mastic, NY
- Average wind speed in January: 14.5mph
The windiest month (with the highest average wind speed) is January (14.5mph).
The calmest months (with the lowest average wind speed) are July and August (9.6mph).
Average humidity in January
Mastic, NY
- Average humidity in January: 73%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is November (71%).
Average rainfall in January
Mastic, NY
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is December (3.31").
The driest months (with the least rainfall) are January, February and September (2.01").
Average rainfall days in January
Mastic, NY
- Average rainfall days in January: 10.1 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (9 days).
Average snowfall in January
Mastic, NY
- Average snowfall in January: 1.5"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Mastic, NY
- Average snowfall days in January: 5.3 days
The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Mastic, 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 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Mastic, NY
- Average sunshine days in January: 15.6 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in January
Mastic, 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
Mastic, NY
- Average cloud cover in January: 45
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in January
Mastic, 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).
Mastic, New York, USA
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