December weather forecast
Thomaston, NY

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Weather in December

The first month of the winter, December, is also an icy month in Thomaston, New York, with temperature in the range of an average high of 42.4°F (5.8°C) and an average low of 34.5°F (1.4°C).

Temperature

December indicates a shift in the average high-temperature, from November's fresh 51.8°F (11°C) to an icy 42.4°F (5.8°C). A modest decline from daytime high temperatures is noticed in December, marking the average low at 34.5°F (1.4°C).

Humidity

February, May and December, with an average relative humidity of 75%, are the most humid months in Thomaston, New York.

Rainfall

In December, in Thomaston, the rain falls for 11.4 days. Throughout December, 3.5" (89mm) of precipitation is accumulated. Throughout the year, there are 155.6 rainfall days, and 34.72" (882mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Thomaston, in December, snow falls for 3 days, with typically accumulated 1.18" (30mm) of snow. In Thomaston, New York, during the entire year, snow falls for 15 days and aggregates up to 5.39" (137mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:27 pm. On the last day of December, in Thomaston, New York, sunrise is at 7:18 am and sunset at 4:37 pm EST.

Sunshine

In Thomaston, New York, the average sunshine in December is 5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Thomaston. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 2 during December translates into these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

How cold does it get in Thomaston in December?

The high-temperature during December is 42.4°F (5.8°C) and the low-temperature is 34.5°F (1.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 84.2°F (29°C).

What are the most humid months in Thomaston?

February, May and December, with an average relative humidity of 75%, are most humid months in Thomaston, New York.

What is the average humidity in December in Thomaston?

In Thomaston, New York, the average relative humidity in December is 75%.

How much does it rain in Thomaston in December?

In December, the rain falls for 11.4 days. Throughout December, 3.5" (89mm) of precipitation is accumulated.

How much does it snow in Thomaston in December?

In Thomaston, during December, snow falls for 3 days and regularly aggregates up to 1.18" (30mm) of snow.

What is the month with the shortest days in Thomaston?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Thomaston.

How many hours of daylight does Thomaston have in December?

The average day length in December in Thomaston, New York, is 9h and 19min.

When are sunrise and sunset in December in Thomaston?

In December, on the first day of the month, sunrise is at 7:00 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:37 pm EST.

How long on average sun shines in December in Thomaston?

In Thomaston, the average sunshine duration in December is 5h.

When is the lowest UV index in Thomaston?

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

How high is the UV index in December in Thomaston?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
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
Thomaston, NY

Average temperature in December - Thomaston, NY
  • Average high temperature in December: 42.4°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in December: 34.5°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 (27.7°F).

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Average pressure in December
Thomaston, NY

Average pressure in December - Thomaston, NY
  • Average pressure in December: 30.07"Hg

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

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Average wind speed in December
Thomaston, NY

Average wind speed in December - Thomaston, NY
  • Average wind speed in December: 10.7mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

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Average humidity in December
Thomaston, NY

Average humidity in December - Thomaston, NY
  • Average humidity in December: 75%

The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).

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Average rainfall in December
Thomaston, NY

Average rainfall in December - Thomaston, NY
  • Average rainfall in December: 3.5"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is January (2.05").

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Average rainfall days in December
Thomaston, NY

Average rainfall days in December - Thomaston, NY
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in December
Thomaston, NY

Average snowfall in December - Thomaston, NY
  • Average snowfall in December: 1.18"

The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Thomaston, NY

Average snowfall days in December - Thomaston, NY
  • Average snowfall days in December: 3 days

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Thomaston, NY
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in December
Thomaston, NY

Average sunshine days in December - Thomaston, NY
  • Average sunshine days in December: 17.3 days

The months with the most sunshine days are January and November (19.7 days).
The month with the least sunshine days is July (11 days).

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Average UV index in December
Thomaston, NY

Average UV index in December - Thomaston, NY
  • Average UV index in December: 2

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

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Average cloud cover in December
Thomaston, NY

Average cloud cover in December - Thomaston, NY
  • Average cloud cover in December: 47

The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in December
Thomaston, NY

Average visibility in December - Thomaston, NY
  • Average visibility in December: 6mi

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

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Thomaston, New York, USA

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