December weather forecast
Pyrmont, IN

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Weather in December

The first month of the winter, December, is also a wintry month in Pyrmont, Indiana, with an average temperature varying between 27.1°F (-2.7°C) and 37.6°F (3.1°C).

Temperature

As Pyrmont enters December, the average high-temperature decreases from the a frosty 48.2°F (9°C) of November to a wintry 37.6°F (3.1°C). Throughout the nights in December, Pyrmont experiences an average low-temperature of 27.1°F (-2.7°C).

Humidity

The average relative humidity in December is 82%.

Rainfall

In Pyrmont, in December, during 7.5 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Pyrmont, during the entire year, the rain falls for 138.9 days and collects up to 19.06" (484mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Pyrmont, in December, snow falls for 5.1 days, with typically accumulated 1.57" (40mm) of snow. In Pyrmont, during the entire year, snow falls for 28 days and aggregates up to 8.31" (211mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:51 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 5:30 pm EST.

Sunshine

The average sunshine in December is 4.2h.

UV index

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

During December, Pyrmont experiences an average high-temperature of 37.6°F (3.1°C) and a low-temperature of 27.1°F (-2.7°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is appraised at 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 82%.

How many days does it rain in December?

In Pyrmont, during December, the rain falls for 7.5 days and regularly aggregates up to 1.1" (28mm) of precipitation.

How many days does it snow in December?

In Pyrmont, in December, during 5.1 snowfall days, 1.57" (40mm) of snow is typically accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Pyrmont have in December?

In December, the average day length is 9h and 20min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:51 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 5:30 pm EST.

How long on average sun shines in December in Pyrmont?

In December, the average sunshine duration is 4.2h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from unsafe 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
Pyrmont, IN

Average temperature in December - Pyrmont, IN
  • Average high temperature in December: 37.6°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in December: 27.1°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

Average pressure in December
Pyrmont, IN

Average pressure in December - Pyrmont, IN
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Pyrmont, IN

Average wind speed in December - Pyrmont, IN
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in December
Pyrmont, IN

Average humidity in December - Pyrmont, IN
  • Average humidity in December: 82%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December
Pyrmont, IN

Average rainfall in December - Pyrmont, IN
  • Average rainfall in December: 1.1"

The wettest months (with the highest rainfall) are April and May (2.28").
The driest month (with the least rainfall) is February (1.02").

Average rainfall days in December
Pyrmont, IN

Average rainfall days in December - Pyrmont, IN
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.8 days).

Average snowfall in December
Pyrmont, IN

Average snowfall in December - Pyrmont, IN
  • Average snowfall in December: 1.57"

The month with the highest snowfall is February (2.6").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Pyrmont, IN

Average snowfall days in December - Pyrmont, IN
  • Average snowfall days in December: 5.1 days

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Pyrmont, IN

Average daylight in December / Average sunshine in December - Pyrmont, IN
  • 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 18min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Pyrmont, IN

Average sunshine days in December - Pyrmont, IN
  • Average sunshine days in December: 19.1 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in December
Pyrmont, IN

Average UV index in December - Pyrmont, IN
  • 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, October, November and December (UV index 2).

Average cloud cover in December
Pyrmont, IN

Average cloud cover in December - Pyrmont, IN
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are June and August (Cloud cover 33).

Average visibility in December
Pyrmont, IN

Average visibility in December - Pyrmont, IN
  • Average visibility in December: 6mi

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

Pyrmont, Indiana, USA

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