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
Transition into December marks a drop in the average high-temperature, moving from a cool 53.1°F (11.7°C) in November to a chilly 42.8°F (6°C). Throughout the December nights, Ashley encounters a low-temperature of 30.7°F (-0.7°C).Humidity
In Ashley, the average relative humidity in December is 78%.Rainfall
In Ashley, in December, it is raining for 9.2 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, in Ashley, there are 166.8 rainfall days, and 37.83" (961mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, September, November and December. In December, it is snowing for 4.5 days. Throughout December, 1.3" (33mm) of snow is accumulated. In Ashley, during the entire year, snow falls for 23.2 days and aggregates up to 7.87" (200mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 6:55 am and sunset at 4:36 pm. On the last day of December, in Ashley, sunrise is at 7:13 am and sunset at 4:46 pm CST.
Sunshine
In December, the average sunshine is 4.8h.UV index
The months with the lowest UV index in Ashley are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
Is it cold in Ashley during December?
What is the average humidity in December in Ashley?
How much does it rain in Ashley in December?
How many days does it snow in December in Ashley?
What is the month with the shortest days in Ashley?
How many hours of daylight does Ashley have in December?
What time are sunrise and sunset in December in Ashley?
How long on average sun shines in December in Ashley?
When is the lowest UV index in Ashley?
What is the UV index intensity in December in Ashley?
Average temperature in December
Ashley, IL
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 30.7°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
Ashley, IL
- Average pressure in December: 30.14"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
Ashley, IL
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in December
Ashley, IL
- Average humidity in December: 78%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Ashley, IL
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is February (2.01").
Average rainfall days in December
Ashley, IL
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is December (9.2 days).
Average snowfall in December
Ashley, IL
- Average snowfall in December: 1.3"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in December
Ashley, IL
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Ashley, 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 36min).
Average sunshine days in December
Ashley, IL
- Average sunshine days in December: 17 days
The months with the most sunshine days are October and November (17.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in December
Ashley, IL
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Ashley, IL
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Ashley, 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).
Ashley, Illinois, USA
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