December weather forecast and climate
West Henrietta, NY

December, the first month of the winter, in West Henrietta, is also a wintry month, with average temperature fluctuating between 35.6°F (2°C) and 26.2°F (-3.2°C).

Temperature

In December, the average high-temperature decreases, from a frosty 46°F (7.8°C) in November, to a wintry 35.6°F (2°C). The average low-temperature, in West Henrietta, is 26.2°F (-3.2°C).

Humidity

In West Henrietta, New York, the average relative humidity in December is 84%.

Rainfall

In West Henrietta, New York, in December, during 10.6 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 168.2 rainfall days, and 26.1" (663mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in West Henrietta. In West Henrietta, during December, snow falls for 15.5 days and regularly aggregates up to 5.51" (140mm) of snow. Throughout the year, there are 78 snowfall days, and 28.46" (723mm) of snow is accumulated.

Daylight

With an average of 9.1h of daylight, December has the shortest days of the year in West Henrietta.

Sunshine

The average sunshine in December is 3h.

UV index

Months with the lowest UV index in West Henrietta are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 1 in December transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in West Henrietta?

In December, the average high-temperature is 35.6°F (2°C), and the average low-temperature is 26.2°F (-3.2°C).

What is the average humidity in December in West Henrietta?

In December, the average relative humidity is 84%.

How much does it rain in West Henrietta in December?

In December, in West Henrietta, the rain falls for 10.6 days. Throughout December, 2.05" (52mm) of precipitation is accumulated.

How many days does it snow in December in West Henrietta?

In West Henrietta, New York, in December, snow falls for 15.5 days, with typically accumulated 5.51" (140mm) of snow.

What is the month with the shortest days in West Henrietta?

With an average of 9.1h of daylight, December has the shortest days of the year in West Henrietta, New York.

How many hours of daylight does West Henrietta have in December?

In December, the average length of the day in West Henrietta is 9.1h.

How long on average sun shines in December in West Henrietta?

The average sunshine in December in West Henrietta is 3h.

What are the months with the lowest UV index in West Henrietta?

Months with the lowest UV index in West Henrietta, New York, are January and December, with an average maximum UV index of 1.

What is the UV index reading in December in West Henrietta?

In West Henrietta, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV radiation.
Average temperature in December - West Henrietta, NY
  • Average high temperature in December: 2°C

The warmest month (with the highest average high temperature) is July (26.3°C).
The month with the lowest average high temperature is January (-1.4°C).

  • Average low temperature in December: -3.2°C

The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).

Average pressure in December - West Henrietta, NY
  • Average pressure in December: 1017.9mbar

The month with the highest atmospheric pressure is November (1018.9mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).

Average wind speed in December - West Henrietta, NY
  • Average wind speed in December: 15.2km/h

The windiest months (with the highest average wind speed) are January and February (16.7km/h).
The calmest month (with the lowest average wind speed) is July (10.4km/h).

Average humidity in December - West Henrietta, NY
  • Average humidity in December: 84%

Months with the highest relative humidity are January and February (85%).
Months with the lowest relative humidity are April, May, July, August and September (77%).

Average rainfall in December - West Henrietta, NY
  • Average rainfall in December: 52mm

The wettest month (with the highest rainfall) is May (74mm).
The driest month (with the least rainfall) is January (40mm).

Average rainfall days in December - West Henrietta, NY
  • Average rainfall days in December: 10.6 days

Months with the highest number of rainy days are July and August (18.3 days).
The month with the least rainy days is February (6.9 days).

Average snowfall in December - West Henrietta, NY
  • Average snowfall in December: 140mm

The month with the highest snowfall is February (163mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December - West Henrietta, NY
  • Average snowfall days in December: 15.5 days

The month with the highest number of snowfall days is January (19.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - West Henrietta, NY
  • Average daylight in December: 9.1h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in December: 3h

The month with the most sunshine is July (Average sunshine: 10.3h).
Months with the least sunshine are January and February (Average sunshine: 2.6).

Average sunshine days in December - West Henrietta, NY
  • Average sunshine days in December: 7.6 days

The month with the most sunshine days is September (13.2 days).
The month with the least sunshine days is February (6.4 days).

Average UV index in December - West Henrietta, NY
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December - West Henrietta, NY
  • Average cloud cover in December: 70

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December - West Henrietta, NY
  • Average visibility in December: 8km

Months with the highest visibility are April, May, June, July, August, September, October and November (9km).
Months with the lowest visibility are January, February, March and December (8km).