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
December ushers in a minor alteration in Riverton's climate, with the average high-temperature moving from November's mild 59.4°F (15.2°C) to a cool 51.1°F (10.6°C). Riverton records a steady low-temperature average of 37.9°F (3.3°C) during December.Humidity
December is the most humid month in Riverton, with an average relative humidity of 80%.Rainfall
In Riverton, in December, it is raining for 11.9 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, there are 159.1 rainfall days, and 31.85" (809mm) of precipitation is accumulated.Snowfall
Months with snowfall in Riverton are January through March, November and December. In Riverton, during December, snow falls for 0.8 days and regularly aggregates up to 0.2" (5mm) of snow. In Riverton, during the entire year, snow falls for 6.1 days and aggregates up to 0.83" (21mm) 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 December in Riverton, sunrise is at 6:42 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 4:51 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 4.6h of sunshine.UV index
December is the month with the lowest UV index in Riverton, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the temperature in December in Riverton?
What is the most humid month in Riverton?
What is the average humidity in December in Riverton?
How much does it rain in Riverton in December?
How many days does it snow in December in Riverton?
What is the month with the shortest days in Riverton?
What is the average length of the day in December in Riverton?
What time are sunrise and sunset in December in Riverton?
What is the month with the least sunshine in Riverton?
How many hours of sunshine does Riverton have in December?
When is the lowest UV index in Riverton?
What is the UV index intensity in December in Riverton?
Average temperature in December
Riverton, AL
- Average high temperature in December: 51.1°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (47.3°F).
- Average low temperature in December: 37.9°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in December
Riverton, AL
- 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 (29.96"Hg).
Average wind speed in December
Riverton, AL
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Riverton, AL
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Riverton, AL
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Riverton, AL
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (9 days).
Average snowfall in December
Riverton, AL
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Riverton, AL
- Average snowfall days in December: 0.8 days
The months with the highest number of snowfall days are January and February (2.1 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
Riverton, AL
- 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 54min).
- 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 December (Average sunshine: 4h and 36min).
Average sunshine days in December
Riverton, AL
- Average sunshine days in December: 17.4 days
The months with the most sunshine days are October and November (19.3 days).
The month with the least sunshine days is July (11 days).
Average UV index in December
Riverton, AL
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Riverton, AL
- Average cloud cover in December: 50
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Riverton, AL
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, May and July (5mi).
Riverton, Alabama, USA
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