December weather forecastKeys, OK
December
Weather in December
December, the first month of the winter in Keys, is also a frosty month, with an average temperature ranging between min 34.7°F (1.5°C) and max 48.9°F (9.4°C).Temperature
Keys observes a minor decrease in the average high-temperature with the arrival of December, falling from November's refreshing 59.4°F (15.2°C) to a frosty 48.9°F (9.4°C). Keys experiences a consistent average temperature of 34.7°F (1.5°C) throughout the nights in December.Humidity
In December, the average relative humidity is 73%.Rainfall
February, November and December are months with the least rain when the rain falls for 5.1 days and typically aggregates up to 0.51" (13mm) of rain.Snowfall
April through October and December are months without snowfall.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 5:06 pm. On the last day of December, sunrise is at 7:29 am and sunset at 5:16 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 suggests this advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Keys, OK
- Average high temperature in December: 48.9°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (46.8°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Keys, OK
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Keys, OK
- Average wind speed in December: 8mph
The windiest months (with the highest average wind speed) are March and April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Keys, OK
- Average humidity in December: 73%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Keys, OK
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (1.42").
The driest months (with the least rainfall) are February, November and December (0.51").
Average rainfall days in December
Keys, OK
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in December
Keys, OK
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Keys, OK
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.9 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
Keys, OK
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Keys, OK
- Average sunshine days in December: 24.5 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is May (15.6 days).
Average UV index in December
Keys, OK
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Keys, OK
- Average cloud cover in December: 39
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Keys, 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).
