December weather forecast
Shiloh, NJ

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Weather in December

December, the first month of the winter in Shiloh, is also a frosty month, with an average temperature ranging between max 45.3°F (7.4°C) and min 34.5°F (1.4°C).

Temperature

With the onset of December, Shiloh's average high-temperature slightly adjusts, moderately receding from November's cool 54°F (12.2°C) to a frosty 45.3°F (7.4°C). An average temperature of 34.5°F (1.4°C) is recorded during the nights in December.

Humidity

In December, the average relative humidity in Shiloh is 77%.

Rainfall

In December, in Shiloh, the rain falls for 7.8 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. In Shiloh, during the entire year, the rain falls for 105.4 days and collects up to 8.03" (204mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Shiloh. In Shiloh, in December, during 1.4 snowfall days, 0.24" (6mm) of snow is typically accumulated. In Shiloh, New Jersey, during the entire year, snow falls for 10.9 days and aggregates up to 1.38" (35mm) of snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year in Shiloh, New Jersey.
On the first day of December, sunrise is at 7:02 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:47 pm EST.

Sunshine

In Shiloh, New Jersey, the average sunshine in December is 5.2h.

UV index

The months with the lowest UV index in Shiloh are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

What are December temperatures in Shiloh?

The high-temperature in Shiloh, New Jersey, during December is 45.3°F (7.4°C) and the low-temperature is 34.5°F (1.4°C). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in August is computed to be 87.8°F (31°C).

What is the average humidity in December in Shiloh?

In December, the average relative humidity is 77%.

How many days does it rain in December in Shiloh?

In Shiloh, New Jersey, in December, it is raining for 7.8 days, with typically 0.87" (22mm) of accumulated precipitation.

How many days does it snow in December in Shiloh?

In Shiloh, during December, snow falls for 1.4 days and regularly aggregates up to 0.24" (6mm) of snow.

What is the month with the shortest days in Shiloh?

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

How many hours of daylight does Shiloh have in December?

In Shiloh, New Jersey, the average day length in December is 9h and 26min.

When is the sunrise / sunset in December in Shiloh?

In December, on the first day of the month, sunrise is at 7:02 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:47 pm EST.

How many hours of sunshine does Shiloh have in December?

In Shiloh, New Jersey, the average sunshine duration in December is 5.2h.

When is the lowest UV index in Shiloh?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.

What is the UV index reading in December in Shiloh?

In December, the average daily maximum UV index in Shiloh, New Jersey, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Shiloh, NJ

Average temperature in December - Shiloh, NJ
  • Average high temperature in December: 45.3°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in December: 34.5°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in December
Shiloh, NJ

Average pressure in December - Shiloh, NJ
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Shiloh, NJ

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

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

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Average humidity in December
Shiloh, NJ

Average humidity in December - Shiloh, NJ
  • Average humidity in December: 77%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in December
Shiloh, NJ

Average rainfall in December - Shiloh, NJ
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is August (0.94").
The driest month (with the least rainfall) is September (0.35").

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Average rainfall days in December
Shiloh, NJ

Average rainfall days in December - Shiloh, NJ
  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is November (5.1 days).

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Average snowfall in December
Shiloh, NJ

Average snowfall in December - Shiloh, NJ
  • Average snowfall in December: 0.24"

The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Shiloh, NJ

Average snowfall days in December - Shiloh, NJ
  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is January (3.4 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
Shiloh, NJ

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in December
Shiloh, NJ

Average sunshine days in December - Shiloh, NJ
  • Average sunshine days in December: 21.3 days

The month with the most sunshine days is November (23.1 days).
The month with the least sunshine days is July (14.1 days).

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Average UV index in December
Shiloh, NJ

Average UV index in December - Shiloh, NJ
  • Average UV index in December: 2

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

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Average cloud cover in December
Shiloh, NJ

Average cloud cover in December - Shiloh, NJ
  • Average cloud cover in December: 45

The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 29).

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Average visibility in December
Shiloh, NJ

Average visibility in December - Shiloh, 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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Shiloh, New Jersey, USA

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