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 34.9°F (1.6°C) and an average low-temperature of 23.2°F (-4.9°C), holds the record as the coldest month.Humidity
In Thornwood, the average relative humidity in January is 76%.Rainfall
In Thornwood, in January, it is raining for 6 days, with typically 1.54" (39mm) of accumulated precipitation. Throughout the year, in Thornwood, there are 144.6 rainfall days, and 25.51" (648mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Thornwood, in January, snow falls for 5.5 days, with typically accumulated 2.01" (51mm) of snow. Throughout the year, in Thornwood, New York, there are 20.6 snowfall days, and 10.12" (257mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 37min.On the first day of January in Thornwood, New York, sunrise is at 7:20 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:09 pm EST.
Sunshine
The average sunshine in January in Thornwood is 5.1h.UV index
January through March, November 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 minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In January, the maximum UV index of 2 suggests this advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Thornwood?
How cold is January in Thornwood?
What is the average humidity in January in Thornwood?
How much does it rain in Thornwood in January?
How much does it snow in Thornwood in January?
How many hours of daylight does Thornwood have in January?
When are sunrise and sunset in January in Thornwood?
How many hours of sunshine does Thornwood have in January?
What are the months with the lowest UV index in Thornwood?
What is the UV index reading in January in Thornwood?
Average temperature in January
Thornwood, NY
- Average high temperature in January: 34.9°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in January: 23.2°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in January
Thornwood, NY
- Average pressure in January: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Thornwood, NY
- Average wind speed in January: 8mph
The windiest months (with the highest average wind speed) are January and March (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Thornwood, NY
- Average humidity in January: 76%
The months with the highest relative humidity are February and December (78%).
The months with the lowest relative humidity are April, July and August (72%).
Average rainfall in January
Thornwood, NY
- Average rainfall in January: 1.54"
The wettest month (with the highest rainfall) is July (2.87").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in January
Thornwood, NY
- Average rainfall days in January: 6 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (6 days).
Average snowfall in January
Thornwood, NY
- Average snowfall in January: 2.01"
The month with the highest snowfall is March (3.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Thornwood, NY
- Average snowfall days in January: 5.5 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Thornwood, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Thornwood, NY
- Average sunshine days in January: 19.8 days
The month with the most sunshine days is November (20 days).
The months with the least sunshine days are June and July (12.3 days).
Average UV index in January
Thornwood, 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, November and December (UV index 2).
Average cloud cover in January
Thornwood, NY
- Average cloud cover in January: 44
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Thornwood, NY
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Thornwood, New York, USA
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