Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December weather is marked by a drop in the average high-temperature, falling from a fresh 51.8°F (11°C) in November to an icy 41.5°F (5.3°C). December generally records an average low-temperature of 29.8°F (-1.2°C).Humidity
In Pocahontas, the average relative humidity in December is 78%.Rainfall
In Pocahontas, during December, the rain falls for 7.2 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Pocahontas, Illinois, during the entire year, the rain falls for 137.9 days and collects up to 24.88" (632mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall is December, when snow falls for 4.1 days and typically aggregates up to 1.89" (48mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 6:58 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:46 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
When does it snow the most?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Pocahontas have in December?
When are sunrise and sunset in December?
How long on average sun shines in December in Pocahontas?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Pocahontas, IL
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Pocahontas, IL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Pocahontas, IL
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in December
Pocahontas, IL
- Average humidity in December: 78%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Pocahontas, IL
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in December
Pocahontas, IL
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Pocahontas, IL
- Average snowfall in December: 1.89"
The month with the highest snowfall is December (1.89").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Pocahontas, IL
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pocahontas, IL
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).
Average sunshine days in December
Pocahontas, IL
- Average sunshine days in December: 20 days
The month with the most sunshine days is December (20 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in December
Pocahontas, IL
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Pocahontas, IL
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).
Average visibility in December
Pocahontas, IL
- 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).
Pocahontas, Illinois, USA
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