December weather forecast
Wynnedale, IN

Weather in December

The first month of the winter, December, is still a cold month in Wynnedale, Indiana, with average temperature ranging between max 38.3°F (3.5°C) and min 27.7°F (-2.4°C).

Temperature

In Wynnedale, Indiana, the average high-temperature drops, from a chilly 49.1°F (9.5°C) in November, to a cold 38.3°F (3.5°C). In December, in Wynnedale, Indiana, the average low-temperature is 27.7°F (-2.4°C).

Humidity

December is the most humid month in Wynnedale, Indiana, with an average relative humidity of 83%.

Rainfall

In Wynnedale, Indiana, in December, during 9.7 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, there are 158.4 rainfall days, and 28.23" (717mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Wynnedale. In Wynnedale, during December, snow falls for 8.4 days and regularly aggregates up to 2.6" (66mm) of snow. In Wynnedale, during the entire year, snow falls for 36.1 days, and aggregates up to 10.98" (279mm) of snow.

Daylight

The month with the shortest days in Wynnedale is December, with an average of 9.4h of daylight.

Sunshine

In December, the average sunshine is 4.1h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 1 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 most humid month in Wynnedale?

The most humid month in Wynnedale, Indiana, is December, with an average relative humidity of 83%.

What is the average humidity in December in Wynnedale?

The average relative humidity in December in Wynnedale, Indiana, is 83%.

How much does it rain in Wynnedale in December?

In Wynnedale, during December, the rain falls for 9.7 days and regularly aggregates up to 1.97" (50mm) of precipitation.

How many days does it snow in December in Wynnedale?

In Wynnedale, Indiana, during December, snow falls for 8.4 days and regularly aggregates up to 2.6" (66mm) of snow.

What is the month with the shortest days in Wynnedale?

December has the shortest days of the year in Wynnedale, with an average of 9.4h of daylight.

How many hours of daylight does Wynnedale have in December?

In December, the average length of the day is 9.4h.

How long on average sun shines in December in Wynnedale?

In Wynnedale, Indiana, the average sunshine in December is 4.1h.

What is the month with the lowest UV index in Wynnedale?

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

What is the UV index intensity in December in Wynnedale?

In December, the average daily maximum UV index in Wynnedale is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in December
Wynnedale, IN

Average temperature in December - Wynnedale, IN
  • Average high temperature in December: 38.3°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in December: 27.7°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

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Average pressure in December
Wynnedale, IN

Average pressure in December - Wynnedale, IN
  • Average pressure in December: 30.12"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in December
Wynnedale, IN

Average wind speed in December - Wynnedale, IN
  • Average wind speed in December: 9.1mph

The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in December
Wynnedale, IN

Average humidity in December - Wynnedale, IN
  • Average humidity in December: 83%

The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in December
Wynnedale, IN

Average rainfall in December - Wynnedale, IN
  • Average rainfall in December: 1.97"

The wettest months (with the highest rainfall) are April and May (3.43").
The driest month (with the least rainfall) is February (1.65").

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Average rainfall days in December
Wynnedale, IN

Average rainfall days in December - Wynnedale, IN
  • Average rainfall days in December: 9.7 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (7.1 days).

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Average snowfall in December
Wynnedale, IN

Average snowfall in December - Wynnedale, IN
  • Average snowfall in December: 2.6"

The month with the highest snowfall is January (2.83").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Wynnedale, IN

Average snowfall days in December - Wynnedale, IN
  • Average snowfall days in December: 8.4 days

The month with the highest number of snowfall days is January (10.6 days).
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
Wynnedale, IN

Average daylight in December / Average sunshine in December - Wynnedale, IN
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 4.1h

Months with the most sunshine are June and July (Average sunshine: 10.2h).
The month with the least sunshine is January (Average sunshine: 4h).

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Average sunshine days in December
Wynnedale, IN

Average sunshine days in December - Wynnedale, IN
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (9.6 days).

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Average UV index in December
Wynnedale, IN

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

Months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Wynnedale, IN

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

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in December
Wynnedale, IN

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

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

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