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 implies a gentle temperature shift, with average high-temperatures reducing from November's fresh 53.2°F (11.8°C) to a frosty 44.1°F (6.7°C). Oak Park experiences a steady low-temperature of 32.2°F (0.1°C) throughout December.Humidity
In Oak Park, the average relative humidity in December is 79%.Rainfall
In December, in Oak Park, the rain falls for 13.6 days. Throughout December, 3.11" (79mm) of precipitation is accumulated. In Oak Park, during the entire year, the rain falls for 184.1 days and collects up to 39.33" (999mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Oak Park, in December, during 6 snowfall days, 1.42" (36mm) of snow is typically accumulated. In Oak Park, during the entire year, snow falls for 30.4 days and aggregates up to 8.98" (228mm) of snow.Daylight
The month with the shortest days in Oak Park is December, with an average of 9h and 36min of daylight.On the first day of December in Oak Park, sunrise is at 7:41 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 5:32 pm EST.
Sunshine
January and December, with an average of 4.4h of sunshine, are months with the least sunshine in Oak Park.UV index
The months with the lowest UV index in Oak Park are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Oak Park?
What is the average humidity in December in Oak Park?
How many days does it rain in December in Oak Park?
How many days does it snow in December in Oak Park?
What is the month with the shortest days in Oak Park?
How many hours of daylight does Oak Park have in December?
When are sunrise and sunset in December in Oak Park?
What are the months with the least sunshine in Oak Park?
How long on average sun shines in December in Oak Park?
What are the months with the lowest UV index in Oak Park?
What is the UV index reading in December in Oak Park?
Average temperature in December
Oak Park, IN
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 32.2°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in December
Oak Park, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Oak Park, IN
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Oak Park, IN
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August and October (73%).
Average rainfall in December
Oak Park, IN
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is April (4.53").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in December
Oak Park, IN
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (11.9 days).
Average snowfall in December
Oak Park, IN
- Average snowfall in December: 1.42"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Oak Park, IN
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (9.3 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
Oak Park, IN
- Average daylight in December: 9h and 4min
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 36min).
- Average sunshine in December: 4h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days in December
Oak Park, IN
- Average sunshine days in December: 13.4 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in December
Oak Park, IN
- 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
Oak Park, IN
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Oak Park, IN
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
Oak Park, Indiana, USA
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