January weather forecastGlen Castle, NY
January
Weather in January
January, like December, is another subzero cold winter month in Glen Castle, New York, with temperature in the range of an average high of 27.3°F (-2.6°C) and an average low of 15.8°F (-9°C).Temperature
With average temperatures fluctuating between a high of 27.3°F (-2.6°C) and a low of 15.8°F (-9°C), January stands out as the coldest month.Humidity
The average relative humidity in January is 86%.Rainfall
January and November are months with the least rain in Glen Castle when the rain falls for 8.3 days and typically aggregates up to 2.4" (61mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In January, it is snowing for 21.6 days. Throughout January, 9.29" (236mm) of snow is accumulated. Throughout the year, there are 94.8 snowfall days, and 48.82" (1240mm) of snow is accumulated.Daylight
In Glen Castle, the average length of the day in January is 9h and 31min.On the first day of January, sunrise is at 7:32 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:16 pm EST.
Sunshine
In Glen Castle, the average sunshine in January is 2.8h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 1 in January translates into these instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Glen Castle, NY
- Average high temperature in January: 27.3°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in January: 15.8°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in January
Glen Castle, NY
- Average pressure in January: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Glen Castle, NY
- Average wind speed in January: 9.3mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in January
Glen Castle, NY
- Average humidity in January: 86%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, May, June and July (80%).
Average rainfall in January
Glen Castle, NY
- Average rainfall in January: 2.4"
The wettest month (with the highest rainfall) is June (3.58").
The driest months (with the least rainfall) are January and November (2.4").
Average rainfall days in January
Glen Castle, NY
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in January
Glen Castle, NY
- Average snowfall in January: 9.29"
The month with the highest snowfall is February (10.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Glen Castle, NY
- Average snowfall days in January: 21.6 days
The month with the highest number of snowfall days is January (21.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Glen Castle, NY
- Average daylight in January: 9h and 30min
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: 2h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in January
Glen Castle, NY
- Average sunshine days in January: 6.6 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (5.7 days).
Average UV index in January
Glen Castle, NY
- Average UV index in January: 1
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 and December (UV index 1).
Average cloud cover in January
Glen Castle, NY
- Average cloud cover in January: 73
The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in January
Glen Castle, NY
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).





