December weather forecast
Wallen, IN

Weather in December

December, the first month of the winter in Wallen, is still a cold month, with an average temperature ranging between max 36°F (2.2°C) and min 26.2°F (-3.2°C).

Temperature

In December, the average high-temperature drops from a frosty 46.9°F (8.3°C) in November to a cold 36°F (2.2°C). In Wallen, in December, the average low-temperature is 26.2°F (-3.2°C).

Humidity

In Wallen, the average relative humidity in December is 84%.

Rainfall

In Wallen, during December, the rain falls for 7.4 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Wallen, during the entire year, the rain falls for 125.3 days and collects up to 13.11" (333mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Wallen. In December, in Wallen, it is snowing for 7.1 days. Throughout December, 0.67" (17mm) of snow is accumulated. Throughout the year, in Wallen, there are 32.5 snowfall days, and 5.75" (146mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 16min of daylight.
On the first day of the month, sunrise is at 7:46 am and sunset at 5:12 pm. On the last day of December, in Wallen, sunrise is at 8:05 am and sunset at 5:21 pm EST.

Sunshine

In Wallen, the average sunshine in December is 3.8h.

UV index

December is the month with the lowest UV index in Wallen, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 1 in December transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Wallen?

In Wallen, Indiana, the average relative humidity in December is 84%.

How many days does it rain in December in Wallen?

In Wallen, Indiana, during December, the rain falls for 7.4 days and regularly aggregates up to 0.71" (18mm) of precipitation.

How many days does it snow in December in Wallen?

In Wallen, in December, during 7.1 snowfall days, 0.67" (17mm) of snow is typically accumulated.

What is the month with the shortest days in Wallen?

With an average of 9h and 16min of daylight, December has the shortest days of the year in Wallen.

How many hours of daylight does Wallen have in December?

The average day length in December is 9h and 16min.

When are sunrise and sunset in December in Wallen?

On the first day of December, sunrise is at 7:46 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 5:21 pm EST.

How many hours of sunshine does Wallen have in December?

The average sunshine duration in December is 3.8h.

When is the lowest UV index in Wallen?

The month with the lowest UV index in Wallen, Indiana, is December, with an average maximum UV index of 1.

What is the UV index intensity in December in Wallen?

In December, the average daily maximum UV index in Wallen, Indiana, is 1. 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
Wallen, IN

Average temperature in December - Wallen, IN
  • Average high temperature in December: 36°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.2°F).

  • Average low temperature in December: 26.2°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

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Average pressure in December
Wallen, IN

Average pressure in December - Wallen, IN
  • Average pressure in December: 30.1"Hg

The months with the highest atmospheric pressure are January and 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
Wallen, IN

Average wind speed in December - Wallen, IN
  • Average wind speed in December: 9.7mph

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

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Average humidity in December
Wallen, IN

Average humidity in December - Wallen, IN
  • Average humidity in December: 84%

The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in December
Wallen, IN

Average rainfall in December - Wallen, IN
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is February (0.67").

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Average rainfall days in December
Wallen, IN

Average rainfall days in December - Wallen, IN
  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (4.9 days).

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Average snowfall in December
Wallen, IN

Average snowfall in December - Wallen, IN
  • Average snowfall in December: 0.67"

The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Wallen, IN

Average snowfall days in December - Wallen, IN
  • Average snowfall days in December: 7.1 days

The month with the highest number of snowfall days is January (8.8 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
Wallen, IN

Average daylight in December / Average sunshine in December - Wallen, IN
  • Average daylight in December: 9h and 16min

The month with the longest days is June (Average daylight: 15h and 5min).
The month with the shortest days is December (Average daylight: 9h and 16min).

  • Average sunshine in December: 3h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average sunshine days in December
Wallen, IN

Average sunshine days in December - Wallen, IN
  • Average sunshine days in December: 18.8 days

The month with the most sunshine days is January (19.2 days).
The month with the least sunshine days is July (12 days).

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Average UV index in December
Wallen, IN

Average UV index in December - Wallen, IN
  • Average UV index in December: 1

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Wallen, IN

Average cloud cover in December - Wallen, IN
  • Average cloud cover in December: 61

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in December
Wallen, IN

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

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

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