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
Onset of December comes with a temperature decline, the average high falling from a fresh 51.4°F (10.8°C) in November to an icy 39.6°F (4.2°C). In Hull, the average nighttime temperature during December is a subzero cold 27.1°F (-2.7°C).Humidity
The average relative humidity in December is 77%.Rainfall
In December, the rain falls for 6.9 days. Throughout December, 1.34" (34mm) of precipitation is accumulated. Throughout the year, in Hull, there are 136 rainfall days, and 25" (635mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Hull, during December, snow falls for 4.2 days and regularly aggregates up to 1.26" (32mm) of snow. In Hull, Illinois, during the entire year, snow falls for 20 days and aggregates up to 8.5" (216mm) of snow.Daylight
The month with the shortest days in Hull is December, with an average of 9h and 24min of daylight.On the first day of December in Hull, Illinois, sunrise is at 7:07 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:50 pm CST.
Sunshine
The average sunshine in December in Hull is 4.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is it in Hull in December?
What is the average humidity in December in Hull?
How much does it rain in Hull in December?
How much does it snow in Hull in December?
What is the month with the shortest days in Hull?
How many hours of daylight does Hull have in December?
What time are sunrise and sunset in December in Hull?
How many hours of sunshine does Hull have in December?
When is the lowest UV index in Hull?
What is the UV index reading in December in Hull?
Average temperature in December
Hull, IL
- Average high temperature in December: 39.6°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 (34°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Hull, IL
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Hull, IL
- Average wind speed in December: 9.5mph
The windiest months (with the highest average wind speed) are January, February and April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in December
Hull, IL
- Average humidity in December: 77%
The months with the highest relative humidity are May, June and July (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Hull, IL
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in December
Hull, IL
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in December
Hull, IL
- Average snowfall in December: 1.26"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Hull, IL
- Average snowfall days in December: 4.2 days
The month with the highest number of snowfall days is January (6.2 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
Hull, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Hull, IL
- Average sunshine days in December: 20.3 days
The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in December
Hull, 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
Hull, IL
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Hull, 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).
Hull, Illinois, USA
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