December weather forecast
Pittsford, NY

Weather in December

The first month of the winter, December, is also a wintry month in Pittsford, New York, with temperature in the range of an average high of 35.8°F (2.1°C) and an average low of 27°F (-2.8°C).

Temperature

In Pittsford, the average high-temperature in December drops from a frosty 46.2°F (7.9°C) in November to a cold 35.8°F (2.1°C). The average low-temperature, in December, is 27°F (-2.8°C).

Humidity

In Pittsford, the average relative humidity in December is 83%.

Rainfall

In Pittsford, it is raining for 9.6 days, with typically 2.2" (56mm) of accumulated precipitation. In Pittsford, during the entire year, the rain falls for 161.2 days and collects up to 27.87" (708mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Pittsford, New York, during 13 snowfall days, 5.04" (128mm) of snow is typically accumulated. In Pittsford, New York, during the entire year, snow falls for 60.8 days and aggregates up to 24.53" (623mm) of snow.

Daylight

The month with the shortest days in Pittsford, New York, is December, with an average of 9h and 4min of daylight.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:41 am and sunset at 4:44 pm EST.

Sunshine

In Pittsford, the average sunshine in December is 2.9h.

UV index

The months with the lowest UV index in Pittsford are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always 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.
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FAQ

What is the temperature in December in Pittsford?

The average high-temperature, in December, in Pittsford, New York, is 35.8°F (2.1°C), while the average low-temperature is 27°F (-2.8°C).

What is the average humidity in December in Pittsford?

The average relative humidity in December in Pittsford is 83%.

How many days does it rain in December in Pittsford?

In December, in Pittsford, the rain falls for 9.6 days. Throughout December, 2.2" (56mm) of precipitation is accumulated.

How many days does it snow in December in Pittsford?

In Pittsford, in December, snow falls for 13 days, with typically accumulated 5.04" (128mm) of snow.

What is the month with the shortest days in Pittsford?

With an average of 9h and 4min of daylight, December has the shortest days of the year in Pittsford, New York.

How many hours of daylight does Pittsford have in December?

The average day length in December in Pittsford, New York, is 9h and 4min.

When are sunrise and sunset in December in Pittsford?

On the first day of December in Pittsford, New York, sunrise is at 7:21 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 4:44 pm EST.

How long on average sun shines in December in Pittsford?

In December, the average sunshine duration in Pittsford is 2.9h.

When is the lowest UV index in Pittsford?

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

How high is the UV index in December in Pittsford?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to 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
Pittsford, NY

Average temperature in December - Pittsford, NY
  • Average high temperature in December: 35.8°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in December: 27°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19°F).

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Average pressure in December
Pittsford, NY

Average pressure in December - Pittsford, 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
Pittsford, NY

Average wind speed in December - Pittsford, NY
  • Average wind speed in December: 10.3mph

The windiest months (with the highest average wind speed) are January and February (11.1mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

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Average humidity in December
Pittsford, NY

Average humidity in December - Pittsford, NY
  • Average humidity in December: 83%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, May, July, August and September (77%).

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Average rainfall in December
Pittsford, NY

Average rainfall in December - Pittsford, NY
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is January (1.5").

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Average rainfall days in December
Pittsford, NY

Average rainfall days in December - Pittsford, NY
  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is February (7 days).

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Average snowfall in December
Pittsford, NY

Average snowfall in December - Pittsford, NY
  • Average snowfall in December: 5.04"

The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Pittsford, NY

Average snowfall days in December - Pittsford, NY
  • Average snowfall days in December: 13 days

The month with the highest number of snowfall days is January (14.5 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
Pittsford, NY

Average daylight in December / Average sunshine in December - Pittsford, NY
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 19min).
The month with the shortest days is December (Average daylight: 9h and 4min).

  • Average sunshine in December: 2h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).

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Average sunshine days in December
Pittsford, NY

Average sunshine days in December - Pittsford, NY
  • Average sunshine days in December: 10.7 days

The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is February (9.4 days).

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Average UV index in December
Pittsford, NY

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in December
Pittsford, NY

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

The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 30).

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Average visibility in December
Pittsford, NY

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

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

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