December weather forecast
Amherst, NY

Weather in December

The first month of the winter, December, is also a wintry month in Amherst, New York, with an average temperature ranging between min 27.7°F (-2.4°C) and max 35.6°F (2°C).

Temperature

In December, the average high-temperature drops from a chilly 45.5°F (7.5°C) in November to a wintry 35.6°F (2°C). In Amherst, the average low-temperature is 27.7°F (-2.4°C).

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Amherst, during 10.5 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, in Amherst, New York, there are 169.2 rainfall days, and 28.15" (715mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Amherst. In Amherst, during December, snow falls for 15.5 days and regularly aggregates up to 5.24" (133mm) of snow. Throughout the year, there are 77.2 snowfall days, and 30.94" (786mm) of snow is accumulated.

Daylight

The month with the shortest days in Amherst, New York, is December, with an average of 9h and 4min of daylight.
On the first day of December in Amherst, New York, sunrise is at 7:26 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 4:50 pm EST.

Sunshine

In December, the average sunshine in Amherst is 2.7h.

UV index

The months with the lowest UV index in Amherst are January, February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 1 in December transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Amherst?

In Amherst, in December, the average high-temperature is 35.6°F (2°C), and the average low-temperature is 27.7°F (-2.4°C).

What is the average humidity in December in Amherst?

In Amherst, New York, the average relative humidity in December is 83%.

How much does it rain in Amherst in December?

In Amherst, New York, in December, during 10.5 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

How much does it snow in Amherst in December?

In Amherst, in December, during 15.5 snowfall days, 5.24" (133mm) of snow is typically accumulated.

What is the month with the shortest days in Amherst?

December has the shortest days of the year, with an average of 9h and 4min of daylight.

How many hours of daylight does Amherst have in December?

In Amherst, New York, the average day length in December is 9h and 4min.

When are sunrise and sunset in December in Amherst?

In December, on the first day of the month, sunrise is at 7:26 am and sunset at 4:41 pm. On the last day of the month, in Amherst, New York, sunrise is at 7:46 am and sunset at 4:50 pm EST.

How long on average sun shines in December in Amherst?

The average sunshine duration in December in Amherst is 2.7h.

What are the months with the lowest UV index in Amherst?

The months with the lowest UV index in Amherst, New York, are January, February and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Amherst?

The average daily maximum UV index in December in Amherst is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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 December
Amherst, NY

Average temperature in December - Amherst, NY
  • Average high temperature in December: 35.6°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in December: 27.7°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

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Average pressure in December
Amherst, NY

Average pressure in December - Amherst, NY
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in December
Amherst, NY

Average wind speed in December - Amherst, NY
  • Average wind speed in December: 10.1mph

The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in December
Amherst, NY

Average humidity in December - Amherst, NY
  • Average humidity in December: 83%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July, August and September (74%).

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Average rainfall in December
Amherst, NY

Average rainfall in December - Amherst, NY
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in December
Amherst, NY

Average rainfall days in December - Amherst, NY
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.6 days).

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Average snowfall in December
Amherst, NY

Average snowfall in December - Amherst, NY
  • Average snowfall in December: 5.24"

The month with the highest snowfall is February (7.64").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Amherst, NY

Average snowfall days in December - Amherst, NY
  • Average snowfall days in December: 15.5 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).

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Average daylight in December /
Average sunshine in December
Amherst, NY

Average daylight in December / Average sunshine in December - Amherst, NY
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 4min).

  • Average sunshine in December: 2h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

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Average sunshine days in December
Amherst, NY

Average sunshine days in December - Amherst, NY
  • Average sunshine days in December: 8.2 days

The month with the most sunshine days is September (12.5 days).
The month with the least sunshine days is January (6.3 days).

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Average UV index in December
Amherst, NY

Average UV index in December - Amherst, NY
  • Average UV index in December: 1

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

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Average cloud cover in December
Amherst, NY

Average cloud cover in December - Amherst, NY
  • Average cloud cover in December: 72

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in December
Amherst, NY

Average visibility in December - Amherst, NY
  • Average visibility in December: 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).

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