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 coldest time of the year is January, with temperatures averaging a high of 29.7°F (-1.3°C) and a low of 17.2°F (-8.2°C).Humidity
In January, the average relative humidity in Mellenville is 81%.Rainfall
January is the month with the least rainfall. Rain falls for 5.4 days and accumulates 1.1" (28mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Mellenville, New York, in January, snow falls for 8.5 days, with typically accumulated 3.46" (88mm) of snow. Throughout the year, there are 37.3 snowfall days, and 15.79" (401mm) of snow is accumulated.Daylight
In Mellenville, the average length of the day in January is 9h and 31min.On the first day of January in Mellenville, New York, sunrise is at 7:23 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:06 pm EST.
Sunshine
In January, the average sunshine in Mellenville is 4.5h.UV index
The months with the lowest UV index in Mellenville, New York, are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 2 in January leads to these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Mellenville?
How cold is it in Mellenville in January?
What is the average humidity in January in Mellenville?
What is the driest month in Mellenville?
How much does it rain in Mellenville in January?
How much does it snow in Mellenville in January?
What is the average length of the day in January in Mellenville?
When are sunrise and sunset in January in Mellenville?
How many hours of sunshine does Mellenville have in January?
When is the lowest UV index in Mellenville?
How high is the UV index in January in Mellenville?
Average temperature in January
Mellenville, NY
- Average high temperature in January: 29.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in January: 17.2°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in January
Mellenville, 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
Mellenville, NY
- Average wind speed in January: 7.9mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in January
Mellenville, NY
- Average humidity in January: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (75%).
Average rainfall in January
Mellenville, NY
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in January
Mellenville, NY
- Average rainfall days in January: 5.4 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in January
Mellenville, NY
- Average snowfall in January: 3.46"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Mellenville, NY
- Average snowfall days in January: 8.5 days
The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mellenville, NY
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 4h and 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in January
Mellenville, NY
- Average sunshine days in January: 19.7 days
The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in January
Mellenville, NY
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in January
Mellenville, NY
- Average cloud cover in January: 52
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in January
Mellenville, NY
- Average visibility in January: 6mi
The months with the highest visibility are January, April, November and December (6mi).
The months with the lowest visibility are February, March, May, June, July, August, September and October (5mi).
Mellenville, New York, USA
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