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 26.6°F (-3°C) at the peak and 16°F (-8.9°C) at the low.Humidity
January and February, with an average relative humidity of 87%, are the most humid months.Rainfall
In Henderson, in January, during 7 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Henderson, during the entire year, the rain falls for 158.6 days and collects up to 30.39" (772mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Henderson, New York, in January, during 19 snowfall days, 9.13" (232mm) of snow is typically accumulated. Throughout the year, there are 81.1 snowfall days, and 36.61" (930mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 22min.On the first day of the month, sunrise is at 7:38 am and sunset at 4:37 pm. On the last day of January, in Henderson, sunrise is at 7:22 am and sunset at 5:13 pm EST.
Sunshine
January and February, with an average of 2.7h of sunshine, are months with the least sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 1 during January translates into the following directions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What are the coldest months in Henderson?
How cold is it in Henderson in January?
What is the most humid month in Henderson?
What is the average humidity in January in Henderson?
How many days does it rain in January in Henderson?
How many days does it snow in January in Henderson?
How many hours of daylight does Henderson have in January?
What time are sunrise and sunset in January in Henderson?
What are the months with the least sunshine in Henderson?
How long on average sun shines in January in Henderson?
When is the lowest UV index in Henderson?
What is the UV index intensity in January in Henderson?
Average temperature in January
Henderson, NY
- Average high temperature in January: 26.6°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in January: 16°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in January
Henderson, NY
- Average pressure in January: 30.03"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Henderson, NY
- Average wind speed in January: 11mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in January
Henderson, NY
- Average humidity in January: 87%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and September (77%).
Average rainfall in January
Henderson, NY
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in January
Henderson, NY
- Average rainfall days in January: 7 days
The month with the highest number of rainy days is October (17.4 days).
The months with the least rainy days are January and February (7 days).
Average snowfall in January
Henderson, NY
- Average snowfall in January: 9.13"
The month with the highest snowfall is December (9.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Henderson, NY
- Average snowfall days in January: 19 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Henderson, NY
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 2h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in January
Henderson, NY
- Average sunshine days in January: 7.3 days
The month with the most sunshine days is September (15 days).
The months with the least sunshine days are January and February (7.3 days).
Average UV index in January
Henderson, NY
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Henderson, NY
- Average cloud cover in January: 74
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Henderson, NY
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Henderson, New York, USA
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