December weather forecast
Fillmore, NY

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Weather in December

The first month of the winter, December, is still a cold month in Fillmore, New York, with an average temperature varying between 23.9°F (-4.5°C) and 33.6°F (0.9°C).

Temperature

December's arrival correlates with a reduction in the average high-temperature, down from a frosty 43.3°F (6.3°C) in November to an icy 33.6°F (0.9°C). In the month of December, the average temperature dips to a freezing cold 23.9°F (-4.5°C) during the night.

Humidity

In December, the average relative humidity is 86%.

Rainfall

In Fillmore, in December, it is raining for 8.5 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 158.7 rainfall days, and 27.6" (701mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Fillmore, New York. In Fillmore, during December, snow falls for 17.6 days and regularly aggregates up to 8.39" (213mm) of snow. Throughout the year, there are 96.3 snowfall days, and 46.38" (1178mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of December, sunrise is at 7:22 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 4:49 pm EST.

Sunshine

In December, the average sunshine is 2.8h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 1 in December interprets into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The average high-temperature and low-temperature during December are 33.6°F (0.9°C) and 23.9°F (-4.5°C) respectively.

What is the average humidity in December?

In December, the average relative humidity is 86%.

How many days does it rain in December?

In Fillmore, during December, the rain falls for 8.5 days and regularly aggregates up to 2.24" (57mm) of precipitation.

How many days does it snow in December?

In December, in Fillmore, it is snowing for 17.6 days. Throughout December, 8.39" (213mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

How many hours of daylight does Fillmore have in December?

The average day length in December is 9h and 8min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:22 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 4:49 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 2.8h.

When is the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December in Fillmore is 1. A UV Index of 2, and less, symbolizes 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
Fillmore, NY

Average temperature in December - Fillmore, NY
  • Average high temperature in December: 33.6°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in December: 23.9°F

The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

Average pressure in December
Fillmore, NY

Average pressure in December - Fillmore, NY
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Fillmore, NY

Average wind speed in December - Fillmore, NY
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in December
Fillmore, NY

Average humidity in December - Fillmore, NY
  • Average humidity in December: 86%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (78%).

Average rainfall in December
Fillmore, NY

Average rainfall in December - Fillmore, NY
  • Average rainfall in December: 2.24"

The wettest month (with the highest rainfall) is October (2.87").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in December
Fillmore, NY

Average rainfall days in December - Fillmore, NY
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is January (5.1 days).

Average snowfall in December
Fillmore, NY

Average snowfall in December - Fillmore, NY
  • Average snowfall in December: 8.39"

The month with the highest snowfall is February (9.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Fillmore, NY

Average snowfall days in December - Fillmore, NY
  • Average snowfall days in December: 17.6 days

The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Fillmore, NY
  • Average daylight in December: 9h and 1min

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 6min).

  • Average sunshine in December: 2h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 30min).

Average sunshine days in December
Fillmore, NY

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

The month with the most sunshine days is September (12.8 days).
The month with the least sunshine days is February (5.5 days).

Average UV index in December
Fillmore, NY

Average UV index in December - Fillmore, NY
  • Average UV index in December: 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 and December (UV index 1).

Average cloud cover in December
Fillmore, NY

Average cloud cover in December - Fillmore, NY
  • Average cloud cover in December: 74

The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 39).

Average visibility in December
Fillmore, NY

Average visibility in December - Fillmore, NY
  • Average visibility in December: 5mi

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).

Fillmore, New York, USA

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