December weather forecast
Gulph, NY

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Weather in December

December, the first month of the winter in Gulph, is also a wintry month, with an average temperature varying between 32.5°F (0.3°C) and 22.8°F (-5.1°C).

Temperature

A moderate decline in the average high-temperature is seen during December, decreasing from a chilly 43.3°F (6.3°C) in November to a wintry 32.5°F (0.3°C). In December, Gulph reports a consistent average low-temperature of 22.8°F (-5.1°C) during the nights.

Humidity

In Gulph, the average relative humidity in December is 86%.

Rainfall

In Gulph, during December, the rain falls for 11.2 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 161.1 rainfall days, and 31.54" (801mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Gulph, during December, snow falls for 15.8 days and regularly aggregates up to 7.17" (182mm) of snow. Throughout the year, there are 80.6 snowfall days, and 32.8" (833mm) of snow is accumulated.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:12 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:36 pm EST.

Sunshine

The average sunshine in December is 3h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: In December, the maximum UV index of 1 suggests these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Boost your sun resistance with garments that are densely woven yet spacious. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The average high-temperature, in December, in Gulph, is 32.5°F (0.3°C), while the average low-temperature is 22.8°F (-5.1°C).

What is the average humidity in December?

The average relative humidity in December is 86%.

How many days does it rain in December?

In Gulph, in December, it is raining for 11.2 days, with typically 2.68" (68mm) of accumulated precipitation.

How many days does it snow in December?

In Gulph, in December, during 15.8 snowfall days, 7.17" (182mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

How many hours of daylight does Gulph have in December?

In December, the average day length is 9h and 4min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:12 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:36 pm EST.

How long on average sun shines in December?

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

What is the month with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Gulph, NY

Average temperature in December - Gulph, NY
  • Average high temperature in December: 32.5°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in December: 22.8°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 (14.9°F).

Average pressure in December
Gulph, NY

Average pressure in December - Gulph, 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).

Average wind speed in December
Gulph, NY

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

The windiest months (with the highest average wind speed) are January and February (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in December
Gulph, NY

Average humidity in December - Gulph, 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 (78%).

Average rainfall in December
Gulph, NY

Average rainfall in December - Gulph, NY
  • Average rainfall in December: 2.68"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in December
Gulph, NY

Average rainfall days in December - Gulph, NY
  • Average rainfall days in December: 11.2 days

The months with the highest number of rainy days are April and May (16.3 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in December
Gulph, NY

Average snowfall in December - Gulph, NY
  • Average snowfall in December: 7.17"

The months with the highest snowfall are January and February (8.27").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Gulph, NY

Average snowfall days in December - Gulph, NY
  • Average snowfall days in December: 15.8 days

The month with the highest number of snowfall days is January (19.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Gulph, 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 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).

Average sunshine days in December
Gulph, NY

Average sunshine days in December - Gulph, NY
  • Average sunshine days in December: 7.4 days

The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is February (4.9 days).

Average UV index in December
Gulph, NY

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

Average cloud cover in December
Gulph, NY

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

The months with the most cloud cover are January and February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 36).

Average visibility in December
Gulph, NY

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

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

Gulph, New York, USA

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