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 36.5°F (2.5°C) and a low of 27.3°F (-2.6°C).Humidity
The average relative humidity in January is 73%.Rainfall
In Upper Brookville, in January, it is raining for 9.3 days, with typically 2.48" (63mm) of accumulated precipitation. In Upper Brookville, New York, during the entire year, the rain falls for 165.9 days and collects up to 37.56" (954mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Upper Brookville, in January, snow falls for 6.8 days, with typically accumulated 1.77" (45mm) of snow. In Upper Brookville, during the entire year, snow falls for 22.2 days and aggregates up to 7.24" (184mm) of snow.Daylight
The average length of the day in January in Upper Brookville is 9h and 38min.On the first day of the month, sunrise is at 7:18 am and sunset at 4:36 pm. On the last day of January, sunrise is at 7:05 am and sunset at 5:09 pm EST.
Sunshine
In January, the average sunshine is 5.1h.UV index
The months with the lowest UV index in Upper Brookville are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 2 in January leads to these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What are the coldest months in Upper Brookville?
How cold is it in Upper Brookville in January?
What is the average humidity in January in Upper Brookville?
How many days does it rain in January in Upper Brookville?
How much does it snow in Upper Brookville in January?
How many hours of daylight does Upper Brookville have in January?
What time are sunrise and sunset in January in Upper Brookville?
How long on average sun shines in January in Upper Brookville?
When is the lowest UV index in Upper Brookville?
What is the UV index intensity in January in Upper Brookville?
Average temperature in January
Upper Brookville, NY
- Average high temperature in January: 36.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in January: 27.3°F
The months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in January
Upper Brookville, NY
- Average pressure in January: 30.05"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
Upper Brookville, NY
- Average wind speed in January: 11.2mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in January
Upper Brookville, NY
- Average humidity in January: 73%
The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).
Average rainfall in January
Upper Brookville, NY
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in January
Upper Brookville, NY
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in January
Upper Brookville, NY
- Average snowfall in January: 1.77"
The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Upper Brookville, NY
- Average snowfall days in January: 6.8 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Upper Brookville, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Upper Brookville, NY
- Average sunshine days in January: 17.3 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in January
Upper Brookville, 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
Upper Brookville, NY
- Average cloud cover in January: 44
The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in January
Upper Brookville, 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).
Upper Brookville, New York, USA
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