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
The shift from November to December involves a decrease in the average high-temperature, from a frosty 48.6°F (9.2°C) to a cold 37.6°F (3.1°C). Fisher records an average nighttime low of 27.3°F (-2.6°C) in December.Humidity
The average relative humidity in December is 80%.Rainfall
In December, the rain falls for 6.2 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 115.9 rainfall days, and 10.87" (276mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Fisher, Illinois, during December, snow falls for 5.5 days and regularly aggregates up to 0.39" (10mm) of snow. In Fisher, during the entire year, snow falls for 24.9 days and aggregates up to 3.27" (83mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 6:57 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:37 pm CST.
Sunshine
In December, the average sunshine is 4.5h.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 value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Fisher have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Fisher, IL
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Fisher, 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 (29.92"Hg).
Average wind speed in December
Fisher, IL
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
Fisher, IL
- Average humidity in December: 80%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Fisher, IL
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in December
Fisher, IL
- Average rainfall days in December: 6.2 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in December
Fisher, IL
- Average snowfall in December: 0.39"
The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Fisher, IL
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (8.3 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
Fisher, 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Fisher, IL
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in December
Fisher, 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
Fisher, IL
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Fisher, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Fisher, Illinois, USA
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