December weather forecast
Celestine, IN

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Weather in December

December, the first month of the winter in Celestine, is also a frosty month, with an average temperature fluctuating between 31.5°F (-0.3°C) and 43.3°F (6.3°C).

Temperature

As December commences, the average high-temperature shows a reduction, transitioning from a cool 52.9°F (11.6°C) in November to a chilly 43.3°F (6.3°C). Throughout December, Celestine experiences a low-temperature average of 31.5°F (-0.3°C).

Humidity

The average relative humidity in December is 80%.

Rainfall

In Celestine, in December, it is raining for 10.8 days, with typically 3.11" (79mm) of accumulated precipitation. Throughout the year, there are 166.2 rainfall days, and 39.17" (995mm) of precipitation is accumulated.

Snowfall

January through April, September through December are months with snowfall. In December, it is snowing for 5.2 days. Throughout December, 1.42" (36mm) of snow is accumulated. In Celestine, during the entire year, snow falls for 25.4 days and aggregates up to 7.8" (198mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:45 am and sunset at 5:26 pm. On the last day of December, in Celestine, sunrise is at 8:04 am and sunset at 5:36 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 4.4h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. It's recommended to limit sun exposure when its radiation is at its peak during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.

Frequently asked questions

How cold is it in December?

December temperatures vary between a high-temperature of 43.3°F (6.3°C) and a low-temperature of 31.5°F (-0.3°C). The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in August is evaluated at 95°F (35°C).

What is the average humidity in December?

In December, the average relative humidity is 80%.

How many days does it rain in December?

In Celestine, in December, during 10.8 rainfall days, 3.11" (79mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Celestine, in December, during 5.2 snowfall days, 1.42" (36mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In Celestine, the average day length in December is 9h and 32min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:45 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:36 pm EST.

What is the month with the least sunshine?

With an average of 4.4h of sunshine, December has the least sunshine of the year in Celestine.

How many hours of sunshine does Celestine have in December?

In Celestine, the average sunshine duration in December is 4.4h.

When is the lowest UV index?

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

What is the UV index reading in December?

In Celestine, Indiana, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Celestine, IN

Average temperature in December - Celestine, IN
  • Average high temperature in December: 43.3°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 31.5°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in December
Celestine, IN

Average pressure in December - Celestine, IN
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Celestine, IN

Average wind speed in December - Celestine, IN
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in December
Celestine, IN

Average humidity in December - Celestine, IN
  • Average humidity in December: 80%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December
Celestine, IN

Average rainfall in December - Celestine, IN
  • Average rainfall in December: 3.11"

The wettest month (with the highest rainfall) is April (4.84").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in December
Celestine, IN

Average rainfall days in December - Celestine, IN
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (10.3 days).

Average snowfall in December
Celestine, IN

Average snowfall in December - Celestine, IN
  • Average snowfall in December: 1.42"

The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July and August (0").

Average snowfall days in December
Celestine, IN

Average snowfall days in December - Celestine, IN
  • Average snowfall days in December: 5.2 days

The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Celestine, IN
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 4h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).

Average sunshine days in December
Celestine, IN

Average sunshine days in December - Celestine, IN
  • Average sunshine days in December: 14.7 days

The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is May (9.4 days).

Average UV index in December
Celestine, IN

Average UV index in December - Celestine, 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, November and December (UV index 2).

Average cloud cover in December
Celestine, IN

Average cloud cover in December - Celestine, IN
  • Average cloud cover in December: 53

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Celestine, IN

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

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

Celestine, Indiana, USA

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