December weather forecast
Rosedale Hills, IN

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Weather in December

The first month of the winter, December, is also a wintry month in Rosedale Hills, Indiana, with an average temperature ranging between min 28.6°F (-1.9°C) and max 39.2°F (4°C).

Temperature

December comes with a drop in the average high-temperature, falling from November's frosty 49.5°F (9.7°C) to an icy 39.2°F (4°C). During the month of December, the temperature in Rosedale Hills, Indiana, falls to an average of 28.6°F (-1.9°C).

Humidity

With an average relative humidity of 82%, December is the most humid month in Rosedale Hills.

Rainfall

In Rosedale Hills, in December, during 10.7 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. In Rosedale Hills, during the entire year, the rain falls for 161.8 days and collects up to 30.55" (776mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Rosedale Hills, in December, snow falls for 8.4 days, with typically accumulated 2.6" (66mm) of snow. In Rosedale Hills, during the entire year, snow falls for 36.4 days and aggregates up to 10.94" (278mm) of snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:46 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 5:30 pm EST.

Sunshine

The average sunshine in December is 4.3h.

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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: In December, an average UV index of 2 transforms into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Rosedale Hills, records 39.2°F (4°C), while the low-temperature is 28.6°F (-1.9°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is computed to be 87.8°F (31°C).

What is the most humid month in Rosedale Hills?

December is the most humid month, with an average relative humidity of 82%.

What is the average humidity in December?

In Rosedale Hills, the average relative humidity in December is 82%.

How many days does it rain in December?

In Rosedale Hills, Indiana, in December, during 10.7 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, it is snowing for 8.4 days. Throughout December, 2.6" (66mm) of snow is accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

In Rosedale Hills, the average day length in December is 9h and 25min.

When are sunrise and sunset in December in Rosedale Hills?

In December, on the first day of the month, sunrise is at 7:46 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 5:30 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.3h.

When is 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.

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to 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
Rosedale Hills, IN

Average temperature in December - Rosedale Hills, IN
  • Average high temperature in December: 39.2°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in December: 28.6°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 (21.4°F).

Average pressure in December
Rosedale Hills, IN

Average pressure in December - Rosedale Hills, IN
  • Average pressure in December: 30.12"Hg

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

Average wind speed in December
Rosedale Hills, IN

Average wind speed in December - Rosedale Hills, IN
  • Average wind speed in December: 8.9mph

The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in December
Rosedale Hills, IN

Average humidity in December - Rosedale Hills, IN
  • Average humidity in December: 82%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December
Rosedale Hills, IN

Average rainfall in December - Rosedale Hills, IN
  • Average rainfall in December: 2.17"

The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is February (1.81").

Average rainfall days in December
Rosedale Hills, IN

Average rainfall days in December - Rosedale Hills, IN
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in December
Rosedale Hills, IN

Average snowfall in December - Rosedale Hills, IN
  • Average snowfall in December: 2.6"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Rosedale Hills, IN

Average snowfall days in December - Rosedale Hills, IN
  • Average snowfall days in December: 8.4 days

The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Rosedale Hills, IN

Average daylight in December / Average sunshine in December - Rosedale Hills, IN
  • 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: 4h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Rosedale Hills, IN

Average sunshine days in December - Rosedale Hills, IN
  • Average sunshine days in December: 14.1 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is May (9.5 days).

Average UV index in December
Rosedale Hills, IN

Average UV index in December - Rosedale Hills, IN
  • Average UV index in December: 2

The months with the highest UV index are June and July (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
Rosedale Hills, IN

Average cloud cover in December - Rosedale Hills, IN
  • Average cloud cover in December: 56

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

Average visibility in December
Rosedale Hills, IN

Average visibility in December - Rosedale Hills, IN
  • 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).

Rosedale Hills, Indiana, USA

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