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
During Phillipstown's transition into December, the average high-temperature lessens, moving from a fresh 53.1°F (11.7°C) in November to a frosty 43.5°F (6.4°C). December brings with it a nighttime average temperature of 31.5°F (-0.3°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In Phillipstown, Illinois, in December, during 11 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Phillipstown, during the entire year, the rain falls for 167.7 days and collects up to 38.23" (971mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Phillipstown, during December, snow falls for 4.5 days and regularly aggregates up to 1.22" (31mm) of snow. In Phillipstown, during the entire year, snow falls for 20.5 days and aggregates up to 6.06" (154mm) of snow.Daylight
December has the shortest days of the year in Phillipstown, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 6:50 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:08 am and sunset at 4:42 pm CST.
Sunshine
In December, the average sunshine is 4.6h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days in Phillipstown?
How many hours of daylight does Phillipstown have in December?
When are sunrise and sunset in December in Phillipstown?
How long on average sun shines in December?
When is the lowest UV index in Phillipstown?
What is the UV index intensity in December in Phillipstown?
Average temperature in December
Phillipstown, IL
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in December: 31.5°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
Phillipstown, 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 (29.94"Hg).
Average wind speed in December
Phillipstown, IL
- Average wind speed in December: 9.4mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in December
Phillipstown, IL
- Average humidity in December: 78%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Phillipstown, IL
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is April (5.2").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Phillipstown, IL
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in December
Phillipstown, IL
- Average snowfall in December: 1.22"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Phillipstown, IL
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (6.6 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
Phillipstown, IL
- 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 4min
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 18min).
Average sunshine days in December
Phillipstown, IL
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in December
Phillipstown, 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, November and December (UV index 2).
Average cloud cover in December
Phillipstown, IL
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Phillipstown, 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).
Phillipstown, Illinois, USA
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