December weather forecast
Ely, NJ

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Weather in December

December, the first month of the winter in Ely, is also a frosty month, with an average temperature varying between 32.7°F (0.4°C) and 43.9°F (6.6°C).

Temperature

In the transition to December, Ely observes a minor drop in the average high-temperature, shifting from a fresh 52.5°F (11.4°C) in November to a chilly 43.9°F (6.6°C). During December, Ely consistently records a temperature low averaging a wintry 32.7°F (0.4°C).

Humidity

The average relative humidity in December in Ely is 78%.

Rainfall

In Ely, New Jersey, in December, during 11 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, in Ely, there are 154.3 rainfall days, and 29.25" (743mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. In Ely, in December, snow falls for 3.2 days, with typically accumulated 1.14" (29mm) of snow. Throughout the year, in Ely, there are 18.9 snowfall days, and 8.39" (213mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:01 am and sunset at 4:32 pm. On the last day of December, in Ely, sunrise is at 7:19 am and sunset at 4:41 pm EST.

Sunshine

In Ely, 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 Ely. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

How cold does it get in Ely in December?

The high-temperature, in December, in Ely, records 43.9°F (6.6°C), while the low-temperature is 32.7°F (0.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 87.8°F (31°C).

What is the average humidity in December in Ely?

In December, the average relative humidity in Ely, New Jersey, is 78%.

How many days does it rain in December in Ely?

In Ely, in December, during 11 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

How much does it snow in Ely in December?

In Ely, during December, snow falls for 3.2 days and regularly aggregates up to 1.14" (29mm) of snow.

What is the month with the shortest days in Ely?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Ely?

In December, the average day length in Ely, New Jersey, is 9h and 22min.

When are sunrise and sunset in December in Ely?

On the first day of December in Ely, sunrise is at 7:01 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:41 pm EST.

How long on average sun shines in December in Ely?

The average sunshine duration in December in Ely, New Jersey, is 5h.

When is the lowest UV index in Ely?

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

What is the UV index reading in December in Ely?

The average daily maximum UV index in December in Ely is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Ely, NJ

Average temperature in December - Ely, NJ
  • Average high temperature in December: 43.9°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in December: 32.7°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

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Average pressure in December
Ely, NJ

Average pressure in December - Ely, NJ
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Ely, NJ

Average wind speed in December - Ely, NJ
  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in December
Ely, NJ

Average humidity in December - Ely, NJ
  • Average humidity in December: 78%

The months with the highest relative humidity are June and October (79%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in December
Ely, NJ

Average rainfall in December - Ely, NJ
  • Average rainfall in December: 2.95"

The wettest month (with the highest rainfall) is July (3.5").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in December
Ely, NJ

Average rainfall days in December - Ely, NJ
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in December
Ely, NJ

Average snowfall in December - Ely, NJ
  • Average snowfall in December: 1.14"

The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Ely, NJ

Average snowfall days in December - Ely, NJ
  • Average snowfall days in December: 3.2 days

The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Ely, NJ

Average daylight in December / Average sunshine in December - Ely, NJ
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in December
Ely, NJ

Average sunshine days in December - Ely, NJ
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10.8 days).

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Average UV index in December
Ely, NJ

Average UV index in December - Ely, NJ
  • 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
Ely, NJ

Average cloud cover in December - Ely, NJ
  • Average cloud cover in December: 47

The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 31).

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Average visibility in December
Ely, NJ

Average visibility in December - Ely, NJ
  • 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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Ely, New Jersey, USA

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