December weather forecast
Harpursville, NY

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Weather in December

December, the first month of the winter in Harpursville, is still a cold month, with an average temperature fluctuating between 32.9°F (0.5°C) and 23.2°F (-4.9°C).

Temperature

As December arrives, Harpursville's weather displays a decrease in high-temperatures, transitioning from November's frosty 43.2°F (6.2°C) to a cold 32.9°F (0.5°C). Harpursville experiences an average low-temperature reading of 23.2°F (-4.9°C) throughout December.

Humidity

In December, the average relative humidity in Harpursville is 87%.

Rainfall

In December, the rain falls for 9.9 days. Throughout December, 1.38" (35mm) of precipitation is accumulated. In Harpursville, during the entire year, the rain falls for 142.2 days and collects up to 18.58" (472mm) of precipitation.

Snowfall

Months with snowfall in Harpursville are January through May, October through December. In December, in Harpursville, it is snowing for 15.5 days. Throughout December, 4.25" (108mm) of snow is accumulated. In Harpursville, during the entire year, snow falls for 82.5 days and aggregates up to 23.31" (592mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 7:12 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:40 pm EST.

Sunshine

In December, the average sunshine in Harpursville is 2.7h.

UV index

The months with the lowest UV index in Harpursville, New York, are February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The UV index of 1 during December leads to these advisories:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

How cold is it in Harpursville in December?

In December, in Harpursville, the average high-temperature is 32.9°F (0.5°C), and the average low-temperature is 23.2°F (-4.9°C).

What is the average humidity in December in Harpursville?

In December, the average relative humidity in Harpursville is 87%.

How many days does it rain in December in Harpursville?

In Harpursville, in December, during 9.9 rainfall days, 1.38" (35mm) of precipitation is typically accumulated.

How much does it snow in Harpursville in December?

In Harpursville, New York, in December, snow falls for 15.5 days, with typically accumulated 4.25" (108mm) of snow.

What is the month with the shortest days in Harpursville?

The month with the shortest days in Harpursville, New York, is December, with an average of 9h and 12min of daylight.

How many hours of daylight does Harpursville have in December?

In Harpursville, New York, the average day length in December is 9h and 10min.

When is the sunrise / sunset in December in Harpursville?

In December, on the first day of the month, sunrise is at 7:12 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:40 pm EST.

How long on average sun shines in December in Harpursville?

The average sunshine duration in December in Harpursville, New York, is 2.7h.

When is the lowest UV index in Harpursville?

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

How high is the UV index in December in Harpursville?

In Harpursville, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health risk 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
Harpursville, NY

Average temperature in December - Harpursville, NY
  • Average high temperature in December: 32.9°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in December: 23.2°F

The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

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Average pressure in December
Harpursville, NY

Average pressure in December - Harpursville, 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
Harpursville, NY

Average wind speed in December - Harpursville, NY
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in December
Harpursville, NY

Average humidity in December - Harpursville, NY
  • Average humidity in December: 87%

The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is July (79%).

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Average rainfall in December
Harpursville, NY

Average rainfall in December - Harpursville, NY
  • Average rainfall in December: 1.38"

The wettest month (with the highest rainfall) is August (2.05").
The driest month (with the least rainfall) is September (1.1").

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Average rainfall days in December
Harpursville, NY

Average rainfall days in December - Harpursville, NY
  • Average rainfall days in December: 9.9 days

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in December
Harpursville, NY

Average snowfall in December - Harpursville, NY
  • Average snowfall in December: 4.25"

The month with the highest snowfall is January (4.65").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Harpursville, NY

Average snowfall days in December - Harpursville, NY
  • Average snowfall days in December: 15.5 days

The month with the highest number of snowfall days is January (18.4 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
Harpursville, NY

Average daylight in December / Average sunshine in December - Harpursville, NY
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 2h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).

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Average sunshine days in December
Harpursville, NY

Average sunshine days in December - Harpursville, NY
  • Average sunshine days in December: 8.7 days

The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is February (7.1 days).

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Average UV index in December
Harpursville, NY

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February, November and December (UV index 1).

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Average cloud cover in December
Harpursville, NY

Average cloud cover in December - Harpursville, NY
  • Average cloud cover in December: 73

The month with the most cloud cover is February (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 40).

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Average visibility in December
Harpursville, NY

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

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

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Harpursville, New York, USA

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