Plattsburgh
New York, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Plattsburgh, NY

A sunny and dry day in the townscape of Plattsburgh, New York, with a view of the iconic tower next to the river, dry trees, and hilly landscape view
A sunny and dry day in the townscape of Plattsburgh, New York, with a view of the iconic tower next to the river, dry trees, and hilly landscape view
December, the first month of the winter, in Plattsburgh, is also a subzero cold month, with average temperature fluctuating between 14°F (-10°C) and 30.2°F (-1°C).

Temperature

In December, the average high-temperature declines considerably, from a frosty 44.6°F (7°C) in November, to a subzero cold 30.2°F (-1°C). The average low-temperature, in December, is 14°F (-10°C).

Rainfall

In Plattsburgh, during December, the rain falls for 13 days and regularly aggregates up to 2.1" (54mm) of precipitation. Throughout the year, in Plattsburgh, there are 149 rainfall days, and 29.7" (755mm) of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 8.9h of daylight.

Sunshine

Months with the least sunshine are November and December, with an average of 3h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the UV radiation for average individuals.
The daily maximum UV index of 1 interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in December in Plattsburgh?

The average high-temperature, in December, in Plattsburgh, is 30.2°F (-1°C), while the average low-temperature is 14°F (-10°C).

How much does it rain in Plattsburgh in December?

In Plattsburgh, during December, the rain falls for 13 days and regularly aggregates up to 2.1" (54mm) of precipitation.

What is the month with the shortest days in Plattsburgh?

The month with the shortest days in Plattsburgh, New York, is December, with an average of 8.9h of daylight.

How many hours of daylight does Plattsburgh have in December?

In December, the average length of the day is 8.9h.

What is the month with the least sunshine in Plattsburgh?

Months with the least sunshine are November and December, with an average of 3h of sunshine.

How many hours of sunshine does Plattsburgh have in December?

In Plattsburgh, the average sunshine in December is 3h.

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

Months with the lowest UV index in Plattsburgh, New York, are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Plattsburgh?

The average daily maximum UV index in December in Plattsburgh is 1. A UV Index reading of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.
Average temperature in December - Plattsburgh, NY
  • Average high temperature in December: 30°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in December: 14°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (7°F).

Average rainfall in December - Plattsburgh, NY
  • Average rainfall in December: 2.1"

The wettest month (with the highest rainfall) is August (3.6").
The driest month (with the lowest rainfall) is February (1.6").

Average rainfall days in December - Plattsburgh, NY
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is November (14 days).
The month with the lowest number of rainy days is February (10 days).

Average daylight in December / Average sunshine in December - Plattsburgh, NY
  • Average daylight in December: 8.9h

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 8.9h).

  • Average sunshine in December: 3h

Months with most sunshine are June and July (Average sunshine: 9h).
Months with least sunshine are November and December (Average sunshine: 3).

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

The month with the highest UV index is June (UV index 8).
Months with the lowest UV index are January and December (UV index 1).