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
The onset of December results in a decrease in the average high-temperature, receding from a refreshing 59.9°F (15.5°C) in November to a frosty 49.5°F (9.7°C). Hanna cools down to an average low-temperature of 35.2°F (1.8°C) throughout the month of December.Humidity
In Hanna, Oklahoma, the average relative humidity in December is 70%.Rainfall
In Hanna, in December, it is raining for 7.7 days, with typically 1.5" (38mm) of accumulated precipitation. In Hanna, during the entire year, the rain falls for 132.2 days and collects up to 29.49" (749mm) of precipitation.Snowfall
Months with snowfall in Hanna are January through April, November and December. In Hanna, in December, snow falls for 1.4 days, with typically accumulated 0.51" (13mm) of snow. Throughout the year, there are 5.8 snowfall days, and 2.91" (74mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December in Hanna, sunrise is at 7:14 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:21 pm CST.
Sunshine
With an average of 5.6h of sunshine, December has the least sunshine of the year in Hanna, Oklahoma.UV index
The month with the lowest UV index in Hanna is December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What is the average December temperature in Hanna?
What is the average humidity in December in Hanna?
How many days does it rain in December in Hanna?
How many days does it snow in December in Hanna?
What is the month with the shortest days in Hanna?
How many hours of daylight does Hanna have in December?
When are sunrise and sunset in December in Hanna?
What is the month with the least sunshine in Hanna?
How many hours of sunshine does Hanna have in December?
What is the month with the lowest UV index in Hanna?
What is the UV index reading in December in Hanna?
Average temperature in December
Hanna, OK
- Average high temperature in December: 49.5°F
The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in December
Hanna, 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
Hanna, OK
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Hanna, OK
- Average humidity in December: 70%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Hanna, OK
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is May (4.84").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in December
Hanna, OK
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in December
Hanna, OK
- Average snowfall in December: 0.51"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Hanna, OK
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is February (2 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
Hanna, OK
- Average daylight in December: 9h and 5min
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 4min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Hanna, OK
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is January (21.8 days).
The months with the least sunshine days are April and May (14.4 days).
Average UV index in December
Hanna, 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
Hanna, OK
- Average cloud cover in December: 37
The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Hanna, 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).
Hanna, Oklahoma, USA
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