December weather forecast
Ashmore, IL

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Weather in December

The first month of the winter, December, is also a wintry month in Ashmore, Illinois, with temperature in the range of an average low of 28.8°F (-1.8°C) and an average high of 39°F (3.9°C).

Temperature

As November transitions into December, Ashmore sees a drop in the average high-temperature, transitioning from a frosty 49.8°F (9.9°C) to a wintry 39°F (3.9°C). Ashmore's December nights cool down to an average low-temperature of 28.8°F (-1.8°C).

Humidity

The average relative humidity in December in Ashmore is 79%.

Rainfall

In Ashmore, in December, during 9.4 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, in Ashmore, there are 148 rainfall days, and 25.63" (651mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Ashmore. December is the month with the most snowfall. Snow falls for 6 days and accumulates 2.13" (54mm) of snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year in Ashmore.
On the first day of the month, sunrise is at 6:54 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:38 pm CST.

Sunshine

In December, the average sunshine is 4.4h.

UV index

The month with the lowest UV index in Ashmore is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 1 during December translates into the following guidance:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

How cold is it in Ashmore in December?

An average high-temperature, in December, in Ashmore, is 39°F (3.9°C) and the average low-temperature is 28.8°F (-1.8°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 87.8°F (31°C).

What is the average humidity in December in Ashmore?

In Ashmore, Illinois, the average relative humidity in December is 79%.

How many days does it rain in December in Ashmore?

In Ashmore, Illinois, during December, the rain falls for 9.4 days and regularly aggregates up to 1.57" (40mm) of precipitation.

What is the snowiest month in Ashmore?

December is the month with the most snowfall in Ashmore, Illinois. Snow falls for 6 days and accumulates 2.13" (54mm) of snow.

How much does it snow in Ashmore in December?

In Ashmore, Illinois, during December, snow falls for 6 days and regularly aggregates up to 2.13" (54mm) of snow.

What is the month with the shortest days in Ashmore?

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

How many hours of daylight does Ashmore have in December?

In Ashmore, the average day length in December is 9h and 26min.

What time are sunrise and sunset in December in Ashmore?

On the first day of December in Ashmore, Illinois, sunrise is at 6:54 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:38 pm CST.

How long on average sun shines in December in Ashmore?

The average sunshine duration in December is 4.4h.

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

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

How high is the UV index in December in Ashmore?

In Ashmore, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health threat 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
Ashmore, IL

Average temperature in December - Ashmore, IL
  • Average high temperature in December: 39°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in December: 28.8°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 (21.9°F).

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Average pressure in December
Ashmore, IL

Average pressure in December - Ashmore, IL
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Ashmore, IL

Average wind speed in December - Ashmore, IL
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

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Average humidity in December
Ashmore, IL

Average humidity in December - Ashmore, IL
  • Average humidity in December: 79%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in December
Ashmore, IL

Average rainfall in December - Ashmore, IL
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is February (1.3").

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Average rainfall days in December
Ashmore, IL

Average rainfall days in December - Ashmore, IL
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (7.8 days).

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Average snowfall in December
Ashmore, IL

Average snowfall in December - Ashmore, IL
  • Average snowfall in December: 2.13"

The month with the highest snowfall is December (2.13").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Ashmore, IL

Average snowfall days in December - Ashmore, IL
  • Average snowfall days in December: 6 days

The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Ashmore, IL

Average daylight in December / Average sunshine in December - Ashmore, IL
  • 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 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in December
Ashmore, IL

Average sunshine days in December - Ashmore, IL
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is July (10.6 days).

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Average UV index in December
Ashmore, IL

Average UV index in December - Ashmore, IL
  • Average UV index in December: 1

The 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
Ashmore, IL

Average cloud cover in December - Ashmore, IL
  • Average cloud cover in December: 54

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in December
Ashmore, IL

Average visibility in December - Ashmore, IL
  • Average visibility in December: 6mi

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

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Ashmore, Illinois, USA

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