December weather forecast and climate
Fort Hamilton, NY

The first month of the winter, December, is still a chilly month in Fort Hamilton, New York, with average temperature fluctuating between 34.3°F (1.3°C) and 43.2°F (6.2°C).

Temperature

In Fort Hamilton, the average high-temperature slightly decreases, from a fresh 52°F (11.1°C) in November, to a chilly 43.2°F (6.2°C). The average low-temperature, in December, is 34.3°F (1.3°C).

Humidity

In Fort Hamilton, the average relative humidity in December is 75%.

Rainfall

In December, in Fort Hamilton, the rain falls for 12.5 days. Throughout December, 2.95" (75mm) of precipitation is accumulated. In Fort Hamilton, New York, during the entire year, the rain falls for 155.7 days and collects up to 28.66" (728mm) of precipitation.

Snowfall

Months with snowfall in Fort Hamilton are January through April, November and December. In Fort Hamilton, during December, snow falls for 3.4 days and regularly aggregates up to 0.91" (23mm) of snow. Throughout the year, there are 18.2 snowfall days, and 4.96" (126mm) of snow is accumulated.

Daylight

With an average of 9.3h of daylight, December has the shortest days of the year.

Sunshine

The average sunshine in Fort Hamilton is 4.9h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Fort Hamilton?

In Fort Hamilton, New York, in December, the average high-temperature is 43.2°F (6.2°C), and the average low-temperature is 34.3°F (1.3°C).

What is the average humidity in December in Fort Hamilton?

The average relative humidity in December in Fort Hamilton, New York, is 75%.

How much does it rain in Fort Hamilton in December?

In December, in Fort Hamilton, New York, the rain falls for 12.5 days. Throughout December, 2.95" (75mm) of precipitation is accumulated.

How many days does it snow in December in Fort Hamilton?

In Fort Hamilton, New York, during December, snow falls for 3.4 days and regularly aggregates up to 0.91" (23mm) of snow.

What is the month with the shortest days in Fort Hamilton?

December has the shortest days of the year in Fort Hamilton, with an average of 9.3h of daylight.

What is the average length of the day in December in Fort Hamilton?

The average length of the day in December is 9.3h.

How many hours of sunshine does Fort Hamilton have in December?

In Fort Hamilton, New York, the average sunshine in December is 4.9h.

When is the lowest UV index in Fort Hamilton?

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

How high is the UV index in December in Fort Hamilton?

In Fort Hamilton, New York, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to the UV radiation.
Average temperature in December - Fort Hamilton, NY
  • Average high temperature in December: 43.2°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in December: 34.3°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure in December - Fort Hamilton, NY
  • Average pressure in December: 30.07"

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

Average wind speed in December - Fort Hamilton, NY
  • Average wind speed in December: 10.5mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in December - Fort Hamilton, NY
  • Average humidity in December: 75%

Months with the highest relative humidity are February, May and June (76%).
Months with the lowest relative humidity are August and November (72%).

Average rainfall in December - Fort Hamilton, NY
  • Average rainfall in December: 2.95"

The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (1.69").

Average rainfall days in December - Fort Hamilton, NY
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (8.5 days).

Average snowfall in December - Fort Hamilton, NY
  • Average snowfall in December: 0.91"

The month with the highest snowfall is March (1.46").
Months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December - Fort Hamilton, NY
  • Average snowfall days in December: 3.4 days

Months with the highest number of snowfall days are January and February (5.1 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Fort Hamilton, NY
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 4.9h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in December - Fort Hamilton, NY
  • Average sunshine days in December: 14.7 days

The month with the most sunshine days is January (18.7 days).
The month with the least sunshine days is July (12.1 days).

Average UV index in December - Fort Hamilton, NY
  • Average UV index in December: 2

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

Average cloud cover in December - Fort Hamilton, NY
  • Average cloud cover in December: 47

Months with the most cloud cover are February, March and December (Cloud cover 47).
Months with the least cloud cover are July and August (Cloud cover 29).

Average visibility in December - Fort Hamilton, NY
  • Average visibility in December: 6mi

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