December weather forecast
Ironsides, NY

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Weather in December

The first month of the winter, December, is also an icy month in Ironsides, New York, with an average temperature fluctuating between 34.3°F (1.3°C) and 25.3°F (-3.7°C).

Temperature

The commencement of December indicates a shift in the average high-temperature, receding from November's chilly 44.6°F (7°C) to a cold 34.3°F (1.3°C). Nighttime temperatures in Ironsides during December report a consistent average of 25.3°F (-3.7°C).

Humidity

The average relative humidity in December in Ironsides is 86%.

Rainfall

In December, in Ironsides, the rain falls for 8.9 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. In Ironsides, during the entire year, the rain falls for 137.8 days and collects up to 13.74" (349mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 15.1 days. Throughout December, 3.23" (82mm) of snow is accumulated. Throughout the year, there are 76.2 snowfall days, and 16.93" (430mm) 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 the month, sunrise is at 7:16 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:35 am and sunset at 4:40 pm EST.

Sunshine

The average sunshine in December is 3h.

UV index

February 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 threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 1 during December translates into these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

How cold is December?

The high-temperature, in December, in Ironsides, records 34.3°F (1.3°C), while the low-temperature is 25.3°F (-3.7°C).

What is the average humidity in December?

The average relative humidity in December in Ironsides is 86%.

How much does it rain in December?

In Ironsides, in December, during 8.9 rainfall days, 1.1" (28mm) of precipitation is typically accumulated.

How many days does it snow in December in Ironsides?

In Ironsides, during December, snow falls for 15.1 days and regularly aggregates up to 3.23" (82mm) of snow.

What is the month with the shortest days?

With an average of 9h and 6min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In December, the average day length is 9h and 5min.

What time are sunrise and sunset in December in Ironsides?

In December, on the first day of the month, sunrise is at 7:16 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:40 pm EST.

How many hours of sunshine does Ironsides have in December?

In Ironsides, the average sunshine duration in December is 3h.

What are the months with the lowest UV index?

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

What is the UV index reading in December in Ironsides?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health risk from 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
Ironsides, NY

Average temperature in December - Ironsides, NY
  • Average high temperature in December: 34.3°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in December: 25.3°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

Average pressure in December
Ironsides, NY

Average pressure in December - Ironsides, 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 (29.93"Hg).

Average wind speed in December
Ironsides, NY

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

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6mph).

Average humidity in December
Ironsides, NY

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

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (79%).

Average rainfall in December
Ironsides, NY

Average rainfall in December - Ironsides, NY
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is September (0.67").

Average rainfall days in December
Ironsides, NY

Average rainfall days in December - Ironsides, NY
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is February (6.7 days).

Average snowfall in December
Ironsides, NY

Average snowfall in December - Ironsides, NY
  • Average snowfall in December: 3.23"

The month with the highest snowfall is February (3.74").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Ironsides, NY

Average snowfall days in December - Ironsides, NY
  • Average snowfall days in December: 15.1 days

The month with the highest number of snowfall days is January (18.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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 6min).

  • Average sunshine in December: 3h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).

Average sunshine days in December
Ironsides, NY

Average sunshine days in December - Ironsides, NY
  • Average sunshine days in December: 10.5 days

The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is February (7.9 days).

Average UV index in December
Ironsides, NY

Average UV index in December - Ironsides, 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 February and December (UV index 1).

Average cloud cover in December
Ironsides, NY

Average cloud cover in December - Ironsides, NY
  • Average cloud cover in December: 70

The month with the most cloud cover is February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in December
Ironsides, NY

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

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

Ironsides, New York, USA

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