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
Sandoval's average high-temperature decreases in December, falling from a cool 52.2°F (11.2°C) in November to an icy 41.9°F (5.5°C). Sandoval records a steady low-temperature average of 30.6°F (-0.8°C) during December.Humidity
In Sandoval, the average relative humidity in December is 78%.Rainfall
In Sandoval, in December, it is raining for 8.7 days, with typically 1.85" (47mm) of accumulated precipitation. In Sandoval, Illinois, during the entire year, the rain falls for 145.5 days and collects up to 28.39" (721mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Sandoval. In Sandoval, during December, snow falls for 3.6 days and regularly aggregates up to 1.06" (27mm) of snow. Throughout the year, there are 17.7 snowfall days, and 5.91" (150mm) of snow is accumulated.Daylight
The month with the shortest days in Sandoval is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 6:55 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:45 pm CST.
Sunshine
In December, the average sunshine in Sandoval, Illinois, is 4.8h.UV index
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
How cold is December in Sandoval?
What is the average humidity in December in Sandoval?
How much does it rain in Sandoval in December?
How many days does it snow in December in Sandoval?
What is the month with the shortest days in Sandoval?
How many hours of daylight does Sandoval have in December?
When are sunrise and sunset in December in Sandoval?
How long on average sun shines in December in Sandoval?
When is the lowest UV index in Sandoval?
How high is the UV index in December in Sandoval?
Average temperature in December
Sandoval, IL
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 30.6°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 (24.3°F).
Average pressure in December
Sandoval, 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 (29.93"Hg).
Average wind speed in December
Sandoval, IL
- Average wind speed in December: 9.2mph
The windiest months (with the highest average wind speed) are January and February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in December
Sandoval, IL
- Average humidity in December: 78%
The months with the highest relative humidity are May, July and August (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Sandoval, IL
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in December
Sandoval, IL
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in December
Sandoval, IL
- Average snowfall in December: 1.06"
The month with the highest snowfall is January (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Sandoval, IL
- Average snowfall days in December: 3.6 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, September and October (0 days).
Average daylight in December /
Average sunshine in December
Sandoval, 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 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Sandoval, IL
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in December
Sandoval, 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, November and December (UV index 2).
Average cloud cover in December
Sandoval, IL
- Average cloud cover in December: 49
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in December
Sandoval, 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).
Sandoval, Illinois, USA
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