December weather forecast
Monroe, IN

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Weather in December

The first month of the winter, December, is also an icy month in Monroe, Indiana, with an average temperature fluctuating between 36.7°F (2.6°C) and 27.1°F (-2.7°C).

Temperature

The onset of December entails a temperature shift, as the average high-temperature decreases from a chilly 47.5°F (8.6°C) in November to an icy 36.7°F (2.6°C). An average low-temperature of 27.1°F (-2.7°C) is anticipated throughout the nights in Monroe during December.

Humidity

The average relative humidity in December is 82%.

Rainfall

In December, the rain falls for 11.1 days. Throughout December, 1.61" (41mm) of precipitation is accumulated. Throughout the year, in Monroe, there are 159.4 rainfall days, and 23.74" (603mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In December, it is snowing for 10 days. Throughout December, 1.93" (49mm) of snow is accumulated. In Monroe, during the entire year, snow falls for 48.4 days and aggregates up to 10.47" (266mm) of snow.

Daylight

The month with the shortest days in Monroe is December, with an average of 9h and 18min of daylight.
On the first day of December in Monroe, Indiana, sunrise is at 7:45 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 5:22 pm EST.

Sunshine

In December, the average sunshine is 3.9h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 1 transforms into these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

How cold is it in Monroe in December?

In Monroe, 36.7°F (2.6°C) is the average high-temperature and 27.1°F (-2.7°C) is the average low-temperature during December. In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 87.8°F (31°C).

What is the average humidity in December in Monroe?

In December, the average relative humidity is 82%.

How much does it rain in Monroe in December?

In December, in Monroe, Indiana, the rain falls for 11.1 days. Throughout December, 1.61" (41mm) of precipitation is accumulated.

How many days does it snow in December in Monroe?

In Monroe, in December, during 10 snowfall days, 1.93" (49mm) of snow is typically accumulated.

What is the month with the shortest days in Monroe?

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

How many hours of daylight does Monroe have in December?

In Monroe, the average day length in December is 9h and 19min.

What time are sunrise and sunset in December in Monroe?

In December, on the first day of the month, sunrise is at 7:45 am and sunset at 5:12 pm. On the last day of the month, in Monroe, sunrise is at 8:03 am and sunset at 5:22 pm EST.

How many hours of sunshine does Monroe have in December?

In December, the average sunshine duration is 3.9h.

When is the lowest UV index in Monroe?

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

What is the UV index intensity in December in Monroe?

In December, the average daily maximum UV index is 1. 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
Monroe, IN

Average temperature in December - Monroe, IN
  • Average high temperature in December: 36.7°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 (31.3°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 (19.8°F).

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Average pressure in December
Monroe, IN

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

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Monroe, IN

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

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in December
Monroe, IN

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

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in December
Monroe, IN

Average rainfall in December - Monroe, IN
  • Average rainfall in December: 1.61"

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is February (1.34").

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Average rainfall days in December
Monroe, IN

Average rainfall days in December - Monroe, IN
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (7.5 days).

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Average snowfall in December
Monroe, IN

Average snowfall in December - Monroe, IN
  • Average snowfall in December: 1.93"

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

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Average snowfall days in December
Monroe, IN

Average snowfall days in December - Monroe, IN
  • Average snowfall days in December: 10 days

The month with the highest number of snowfall days is January (13.5 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
Monroe, IN

Average daylight in December / Average sunshine in December - Monroe, 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: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in December
Monroe, IN

Average sunshine days in December - Monroe, IN
  • Average sunshine days in December: 13 days

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is June (10 days).

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Average UV index in December
Monroe, IN

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

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

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Average cloud cover in December
Monroe, IN

Average cloud cover in December - Monroe, IN
  • Average cloud cover in December: 60

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in December
Monroe, IN

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

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

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Monroe, Indiana, USA

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