December weather forecastAlva, OK
December
Weather in December
December sees the return of winter in Alva, Oklahoma, USA, with the temperature rapidly declining from that of November. Snowfall and reduced daylight hours dominate the city's weather patterns, providing a white blanket and a magical winter aura. Precipitation occurs mainly in the form of snow, giving December its characteristically white, frosty outlook. The temperature in December drops to 47.1°F (8.4°C) at its highest and snowfall measures at an icy 0.71" (18mm). As December wanes off and a new year begins, January brings with it a continuance of the chilling winter.Temperature
December shows a mild decline in the average high-temperature, falling from November's mild 58.1°F (14.5°C) to a frosty 47.1°F (8.4°C). In Alva, the nighttime temperature averages to a subzero cold 31.3°F (-0.4°C) during December.Humidity
In Alva, the average relative humidity in December is 63%.Rainfall
January, February, November and December are months with the least rain when the rain falls for 4.6 days and typically aggregates up to 0.63" (16mm) of rain.Snowfall
January through April, October through December are months with snowfall. In Alva, in December, during 1.8 snowfall days, 0.71" (18mm) of snow is typically accumulated. Throughout the year, there are 10.8 snowfall days, and 5.16" (131mm) of snow is accumulated.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:29 am and sunset at 5:18 pm. On the last day of December, sunrise is at 7:47 am and sunset at 5:28 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 6.4h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Alva, OK
- Average high temperature in December: 47.1°F
The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is January (46.6°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in December
Alva, 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 (29.85"Hg).
Average wind speed in December
Alva, OK
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is August (9mph).
Average humidity in December
Alva, OK
- Average humidity in December: 63%
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is July (53%).
Average rainfall in December
Alva, OK
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is May (3.43").
The driest months (with the least rainfall) are January, February, November and December (0.63").
Average rainfall days in December
Alva, OK
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is May (12.9 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in December
Alva, OK
- Average snowfall in December: 0.71"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Alva, OK
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is February (3.3 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
Alva, OK
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 24min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Alva, OK
- Average sunshine days in December: 24.4 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is September (15.5 days).
Average UV index in December
Alva, OK
- Average UV index in December: 2
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Alva, OK
- Average cloud cover in December: 26
The months with the most cloud cover are March and April (Cloud cover 32).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in December
Alva, 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).
