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
Wyandanch's coldest temperatures are experienced in January, with average high temperatures of 37.9°F (3.3°C) and lows of 30.4°F (-0.9°C).Humidity
In January, the average relative humidity is 72%.Rainfall
The month with the least rainfall is January, when the rain falls for 8.1 days and typically collects 2.2" (56mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Wyandanch, in January, during 3.8 snowfall days, 1.26" (32mm) of snow is typically accumulated. In Wyandanch, during the entire year, snow falls for 14.4 days and aggregates up to 6.06" (154mm) of snow.Daylight
In January, the average length of the day is 9h and 39min.On the first day of January, sunrise is at 7:17 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:09 pm EST.
Sunshine
In January, the average sunshine in Wyandanch is 5.1h.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 rays for ordinary individuals.Note: The maximum UV index, 2 during January, leads to the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold does it get in January?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Wyandanch have in January?
What time are sunrise and sunset in January in Wyandanch?
How many hours of sunshine does Wyandanch have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Wyandanch, NY
- Average high temperature in January: 37.9°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in January: 30.4°F
The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in January
Wyandanch, NY
- Average pressure in January: 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 in January
Wyandanch, NY
- Average wind speed in January: 13.6mph
The windiest month (with the highest average wind speed) is January (13.6mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in January
Wyandanch, NY
- Average humidity in January: 72%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in January
Wyandanch, NY
- Average rainfall in January: 2.2"
The wettest month (with the highest rainfall) is July (3.98").
The driest month (with the least rainfall) is January (2.2").
Average rainfall days in January
Wyandanch, NY
- Average rainfall days in January: 8.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in January
Wyandanch, NY
- Average snowfall in January: 1.26"
The month with the highest snowfall is March (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Wyandanch, NY
- Average snowfall days in January: 3.8 days
The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Wyandanch, NY
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 5h and 1min
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 48min).
Average sunshine days in January
Wyandanch, NY
- Average sunshine days in January: 18.5 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in January
Wyandanch, 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
Wyandanch, NY
- Average cloud cover in January: 44
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Wyandanch, 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).
Wyandanch, New York, USA
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