December weather forecastSilo, OK
December
Weather in December
December, the first month of the winter in Silo, is also a fresh month, with an average temperature varying between 52.5°F (11.4°C) and 37.9°F (3.3°C).Temperature
December is characterized by a reduction in the average high-temperature, from an enjoyable 62.1°F (16.7°C) in November to a cool 52.5°F (11.4°C). During the nights in December, Silo observes an average low-temperature of 37.9°F (3.3°C).Humidity
The average relative humidity in December is 71%.Rainfall
The month with the least rainfall is December, when the rain falls for 7.8 days and typically collects 1.02" (26mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Silo, in December, snow falls for 0.5 days, with typically accumulated 0.51" (13mm) of snow. In Silo, during the entire year, snow falls for 3.5 days and aggregates up to 2.13" (54mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:13 am and sunset at 5:16 pm. On the last day of December, sunrise is at 7:31 am and sunset at 5:27 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.6h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Silo, OK
- Average high temperature in December: 52.5°F
The warmest month (with the highest average high temperature) is August (94.3°F).
The month with the lowest average high temperature is January (51.6°F).
- Average low temperature in December: 37.9°F
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).
Average pressure in December
Silo, OK
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Silo, OK
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is March (10.2mph).
The calmest months (with the lowest average wind speed) are July, August and September (7mph).
Average humidity in December
Silo, OK
- Average humidity in December: 71%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (60%).
Average rainfall in December
Silo, OK
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in December
Silo, OK
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Silo, OK
- Average snowfall in December: 0.51"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Silo, OK
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Silo, OK
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Silo, OK
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is May (15.3 days).
Average UV index in December
Silo, OK
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Silo, OK
- Average cloud cover in December: 38
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Silo, OK
- 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).





