January weather forecast
Henderson, NY

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Weather in January

January, the same as December, in Henderson, New York, is another subzero cold winter month, with an average temperature ranging between max 26.6°F (-3°C) and min 16°F (-8.9°C).

Temperature

In Henderson, the lowest temperatures are generally noted in January, averaging a high of 26.6°F (-3°C) and a low of 16°F (-8.9°C).

Humidity

January and February, with an average relative humidity of 87%, are the most humid months.

Rainfall

In Henderson, New York, 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

Months with snowfall are January through May, October through December. In January, it is snowing for 19 days. Throughout January, 9.13" (232mm) of snow is accumulated. Throughout the year, there are 81.1 snowfall days, and 36.61" (930mm) of snow is accumulated.

Daylight

In Henderson, the average length of the day in January is 9h and 22min.
On the first day of January in Henderson, sunrise is at 7:38 am and sunset at 4:37 pm. On the last day of the month, 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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 1 in January transforms into the following instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

What are the coldest months in Henderson?

The coldest period tends to be January, when average temperatures fluctuate between a high of 26.6°F (-3°C) and a low of 16°F (-8.9°C).

How cold is January?

The high-temperature, in January, in Henderson, is 26.6°F (-3°C), while the low-temperature averages to 16°F (-8.9°C).

What is the most humid month?

January and February, with an average relative humidity of 87%, are most humid months.

What is the average humidity in January?

In January, the average relative humidity is 87%.

How much does it rain in January?

In Henderson, in January, it is raining for 7 days, with typically 2.48" (63mm) of accumulated precipitation.

How many days does it snow in January?

In Henderson, in January, during 19 snowfall days, 9.13" (232mm) of snow is typically accumulated.

How many hours of daylight does Henderson have in January?

In January, the average day length is 9h and 22min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:38 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:13 pm EST.

What is the month with the least sunshine in Henderson?

The months with the least sunshine are January and February, with an average of 2.7h of sunshine.

How long on average sun shines in January?

In Henderson, the average sunshine duration in January is 2.7h.

What are the months with the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index intensity in January?

In January, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Henderson, NY

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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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