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 brings a drop in Havana's average high-temperature, falling from a chilly 49.5°F (9.7°C) in November to an icy 37.9°F (3.3°C). Havana's average low-temperature is measured at a freezing cold 26.4°F (-3.1°C) during December.Humidity
The average relative humidity in December in Havana, Illinois, is 79%.Rainfall
December is the month with the least rainfall. Rain falls for 7.5 days and accumulates 1.38" (35mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Havana, Illinois. In December, in Havana, it is snowing for 5.4 days. Throughout December, 1.42" (36mm) of snow is accumulated. In Havana, during the entire year, snow falls for 28.4 days and aggregates up to 10.31" (262mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December in Havana, sunrise is at 7:04 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:44 pm CST.
Sunshine
In Havana, the average sunshine in December is 4.6h.UV index
The months with the lowest UV index in Havana, Illinois, are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Havana?
What is the average humidity in December in Havana?
What is the driest month in Havana?
How many days does it rain in December in Havana?
How much does it snow in Havana in December?
What is the month with the shortest days in Havana?
How many hours of daylight does Havana have in December?
When are sunrise and sunset in December in Havana?
How long on average sun shines in December in Havana?
When is the lowest UV index in Havana?
What is the UV index intensity in December in Havana?
Average temperature in December
Havana, IL
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Havana, IL
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Havana, IL
- Average wind speed in December: 9.6mph
The windiest months (with the highest average wind speed) are January, February and April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Havana, 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 (71%).
Average rainfall in December
Havana, IL
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is December (1.38").
Average rainfall days in December
Havana, IL
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Havana, IL
- Average snowfall in December: 1.42"
The month with the highest snowfall is January (3.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Havana, IL
- Average snowfall days in December: 5.4 days
The month with the highest number of snowfall days is January (9.2 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
Havana, IL
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 4min
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 12min).
Average sunshine days in December
Havana, IL
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Havana, 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
Havana, IL
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in December
Havana, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Havana, Illinois, USA
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