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
The month of January sees the lowest average temperatures, reaching 37.9°F (3.3°C) at the peak and 30.2°F (-1°C) at the low.Humidity
In Centereach, the average relative humidity in January is 72%.Rainfall
January is the month with the least rainfall in Centereach. Rain falls for 8.3 days and accumulates 2.17" (55mm) of precipitation.Snowfall
Months with snowfall are January through March, May, October and December. In Centereach, in January, snow falls for 4.3 days, with typically accumulated 1.38" (35mm) of snow. In Centereach, New York, during the entire year, snow falls for 14.7 days and aggregates up to 6.14" (156mm) of snow.Daylight
In Centereach, the average length of the day in January is 9h and 38min.On the first day of the month, sunrise is at 7:16 am and sunset at 4:34 pm. On the last day of January, sunrise is at 7:03 am and sunset at 5:07 pm EST.
Sunshine
In January, the average sunshine in Centereach is 5.2h.UV index
The months with the lowest UV index 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 unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 2 in January translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What part of the year is the coldest in Centereach?
How cold is January in Centereach?
What is the average humidity in January in Centereach?
What is the driest month in Centereach?
How much does it rain in Centereach in January?
How much does it snow in Centereach in January?
What is the average length of the day in January in Centereach?
What time are sunrise and sunset in January in Centereach?
How many hours of sunshine does Centereach have in January?
What are the months with the lowest UV index in Centereach?
What is the UV index intensity in January in Centereach?
Average temperature in January
Centereach, NY
- Average high temperature in January: 37.9°F
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in January: 30.2°F
The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in January
Centereach, 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
Centereach, NY
- Average wind speed in January: 13.8mph
The windiest month (with the highest average wind speed) is January (13.8mph).
The calmest months (with the lowest average wind speed) are July and August (9mph).
Average humidity in January
Centereach, NY
- Average humidity in January: 72%
The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in January
Centereach, NY
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in January
Centereach, NY
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in January
Centereach, NY
- Average snowfall in January: 1.38"
The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, June, July, August, September and November (0").
Average snowfall days in January
Centereach, NY
- Average snowfall days in January: 4.3 days
The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Centereach, 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 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
Centereach, NY
- Average sunshine days in January: 18.4 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in January
Centereach, 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
Centereach, 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
Centereach, 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).
Centereach, New York, USA
Weather forecast for your location
2. Allow the app to use your location
