December weather forecast
Forestport, NY

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Weather in December

The first month of the winter, December, is still a freezing cold month in Forestport, New York, with an average temperature fluctuating between 30.9°F (-0.6°C) and 21.7°F (-5.7°C).

Temperature

December's arrival coincides with a drop in the average high-temperature, decreasing from November's icy 40.8°F (4.9°C) to a subzero cold 30.9°F (-0.6°C). An average low-temperature of 21.7°F (-5.7°C) is observed in Forestport during the December nights.

Humidity

The average relative humidity in December in Forestport is 88%.

Rainfall

In Forestport, in December, it is raining for 9.8 days, with typically 4.37" (111mm) of accumulated precipitation. Throughout the year, there are 168.4 rainfall days, and 45.28" (1150mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Forestport. In Forestport, during December, snow falls for 18.2 days and regularly aggregates up to 15.47" (393mm) of snow. In Forestport, during the entire year, snow falls for 101 days and aggregates up to 75.43" (1916mm) of snow.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of December in Forestport, sunrise is at 7:14 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:34 pm EST.

Sunshine

In Forestport, the average sunshine in December is 2.4h.

UV index

January, February, November 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 health risk from exposure to the Sun's UV rays for the average person.
Note: In December, a daily UV index of 1 turns into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

How cold is it in Forestport in December?

Forestport in December has an average high-temperature of 30.9°F (-0.6°C) and an average low-temperature of 21.7°F (-5.7°C).

What is the average humidity in December in Forestport?

In Forestport, the average relative humidity in December is 88%.

How much does it rain in Forestport in December?

In Forestport, in December, during 9.8 rainfall days, 4.37" (111mm) of precipitation is typically accumulated.

How many days does it snow in December in Forestport?

In December, in Forestport, it is snowing for 18.2 days. Throughout December, 15.47" (393mm) of snow is accumulated.

What is the month with the shortest days in Forestport?

The month with the shortest days in Forestport, New York, is December, with an average of 9h and 0min of daylight.

How many hours of daylight does Forestport have in December?

In Forestport, the average day length in December is 9h and 1min.

What time are sunrise and sunset in December in Forestport?

On the first day of December in Forestport, sunrise is at 7:14 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:34 pm EST.

How many hours of sunshine does Forestport have in December?

In Forestport, the average sunshine duration in December is 2.4h.

When is the lowest UV index in Forestport?

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

How high is the UV index in December in Forestport?

The average daily maximum UV index in December in Forestport is 1. A UV Index reading of 2, and below, represents a low health threat 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
Forestport, NY

Average temperature in December - Forestport, NY
  • Average high temperature in December: 30.9°F

The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (24.6°F).

  • Average low temperature in December: 21.7°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

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Average pressure in December
Forestport, NY

Average pressure in December - Forestport, 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
Forestport, NY

Average wind speed in December - Forestport, NY
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in December
Forestport, NY

Average humidity in December - Forestport, NY
  • Average humidity in December: 88%

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (78%).

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Average rainfall in December
Forestport, NY

Average rainfall in December - Forestport, NY
  • Average rainfall in December: 4.37"

The wettest month (with the highest rainfall) is October (4.65").
The driest month (with the least rainfall) is September (2.72").

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Average rainfall days in December
Forestport, NY

Average rainfall days in December - Forestport, NY
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (6.4 days).

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Average snowfall in December
Forestport, NY

Average snowfall in December - Forestport, NY
  • Average snowfall in December: 15.47"

The month with the highest snowfall is February (16.85").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Forestport, NY

Average snowfall days in December - Forestport, NY
  • Average snowfall days in December: 18.2 days

The month with the highest number of snowfall days is January (22.8 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
Forestport, NY

Average daylight in December / Average sunshine in December - Forestport, NY
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 2h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 6min).

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Average sunshine days in December
Forestport, NY

Average sunshine days in December - Forestport, NY
  • Average sunshine days in December: 6.9 days

The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is February (4.8 days).

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Average UV index in December
Forestport, NY

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in December
Forestport, NY

Average cloud cover in December - Forestport, NY
  • Average cloud cover in December: 76

The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 41).

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Average visibility in December
Forestport, NY

Average visibility in December - Forestport, NY
  • Average visibility in December: 4mi

The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).

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Forestport, New York, USA

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