December weather forecast
Tillson, NY

Share

Weather in December

December, the first month of the winter in Tillson, is also an icy month, with an average temperature fluctuating between 25.7°F (-3.5°C) and 37.6°F (3.1°C).

Temperature

Tillson, New York, in December experiences a subtle temperature decline, with average high-temperatures reducing from a chilly 47.8°F (8.8°C) in November to a cold 37.6°F (3.1°C). Throughout December nights, Tillson registers an average low-temperature of 25.7°F (-3.5°C).

Humidity

February and December, with an average relative humidity of 82%, are the most humid months.

Rainfall

In Tillson, in December, during 9.5 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Tillson, New York, during the entire year, the rain falls for 141.4 days and collects up to 22.44" (570mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Tillson, New York. In Tillson, in December, during 5.8 snowfall days, 3.82" (97mm) of snow is typically accumulated. In Tillson, during the entire year, snow falls for 30.6 days and aggregates up to 16.38" (416mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of December in Tillson, sunrise is at 7:04 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:35 pm EST.

Sunshine

In December, the average sunshine in Tillson is 4.9h.

UV index

The months with the lowest UV index in Tillson are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The UV index of 2 in December translates into these instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. 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. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
[Resources]

Frequently asked questions

How cold is December in Tillson?

The high-temperature, in December, in Tillson, records 37.6°F (3.1°C), while the low-temperature is 25.7°F (-3.5°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 86°F (30°C).

What are the most humid months in Tillson?

The months with the highest humidity in Tillson, New York, are February and December, with an average relative humidity of 82%.

What is the average humidity in December in Tillson?

In December, the average relative humidity in Tillson is 82%.

How much does it rain in Tillson in December?

In Tillson, New York, during December, the rain falls for 9.5 days and regularly aggregates up to 2.24" (57mm) of precipitation.

How many days does it snow in December in Tillson?

In December, it is snowing for 5.8 days. Throughout December, 3.82" (97mm) of snow is accumulated.

What is the month with the shortest days in Tillson?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Tillson?

In December, the average day length in Tillson is 9h and 12min.

When are sunrise and sunset in December in Tillson?

On the first day of December in Tillson, New York, sunrise is at 7:04 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:35 pm EST.

How long on average sun shines in December in Tillson?

The average sunshine duration in December in Tillson, New York, is 4.9h.

What is the month with the lowest UV index in Tillson?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Tillson, New York.

What is the UV index reading in December in Tillson?

In Tillson, the average daily maximum UV index in December is 2. 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 December
Tillson, NY

Average temperature in December - Tillson, NY
  • Average high temperature in December: 37.6°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in December: 25.7°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19°F).

[Resources]

Average pressure in December
Tillson, NY

Average pressure in December - Tillson, 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).

[Resources]

Average wind speed in December
Tillson, NY

Average wind speed in December - Tillson, NY
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

[Resources]

Average humidity in December
Tillson, NY

Average humidity in December - Tillson, NY
  • Average humidity in December: 82%

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (74%).

[Resources]

Average rainfall in December
Tillson, NY

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

The wettest month (with the highest rainfall) is October (2.36").
The driest month (with the least rainfall) is September (1.3").

[Resources]

Average rainfall days in December
Tillson, NY

Average rainfall days in December - Tillson, NY
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.8 days).

[Resources]

Average snowfall in December
Tillson, NY

Average snowfall in December - Tillson, NY
  • Average snowfall in December: 3.82"

The month with the highest snowfall is February (4.13").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in December
Tillson, NY

Average snowfall days in December - Tillson, NY
  • Average snowfall days in December: 5.8 days

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Tillson, 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 12min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

[Resources]

Average sunshine days in December
Tillson, NY

Average sunshine days in December - Tillson, NY
  • Average sunshine days in December: 17.9 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (12.7 days).

[Resources]

Average UV index in December
Tillson, NY

Average UV index in December - Tillson, NY
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

[Resources]

Average cloud cover in December
Tillson, NY

Average cloud cover in December - Tillson, NY
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

[Resources]

Average visibility in December
Tillson, NY

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

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).

[Resources]

Tillson, New York, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location