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
With the onset of December, the average high-temperature subtly recedes from November's enjoyable 61.9°F (16.6°C) to a cool 54.5°F (12.5°C). In December, Cardiff reports a consistent average low-temperature of 40.1°F (4.5°C) during the nights.Humidity
With an average relative humidity of 79%, December is the most humid month in Cardiff.Rainfall
December is the month with the most rainfall. Rain falls for 13.1 days and accumulates 4.17" (106mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Cardiff. In December, in Cardiff, it is snowing for 0.5 days. Throughout December, 0.39" (10mm) of snow is accumulated. In Cardiff, during the entire year, snow falls for 4.1 days and aggregates up to 1.61" (41mm) of snow.Daylight
December has the shortest days of the year in Cardiff, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:34 am and sunset at 4:39 pm. On the last day of December, in Cardiff, sunrise is at 6:52 am and sunset at 4:50 pm CST.
Sunshine
The average sunshine in December in Cardiff is 4.9h.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard 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:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What is the usual temperature for Cardiff in December?
What is the most humid month in Cardiff?
What is the average humidity in December in Cardiff?
What is the rainiest month in Cardiff?
How many days does it rain in December in Cardiff?
How much does it snow in Cardiff in December?
What is the month with the shortest days in Cardiff?
What is the average length of the day in December in Cardiff?
What time are sunrise and sunset in December in Cardiff?
How long on average sun shines in December in Cardiff?
When is the lowest UV index in Cardiff?
What is the UV index reading in December in Cardiff?
Average temperature in December
Cardiff, AL
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.9°F).
- Average low temperature in December: 40.1°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 (35.2°F).
Average pressure in December
Cardiff, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Cardiff, AL
- Average wind speed in December: 6.8mph
The windiest months (with the highest average wind speed) are February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Cardiff, AL
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are September and October (71%).
Average rainfall in December
Cardiff, AL
- Average rainfall in December: 4.17"
The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is October (2.24").
Average rainfall days in December
Cardiff, AL
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in December
Cardiff, AL
- Average snowfall in December: 0.39"
The month with the highest snowfall is January (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Cardiff, AL
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.4 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
Cardiff, AL
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Cardiff, AL
- Average sunshine days in December: 16 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in December
Cardiff, AL
- Average UV index in December: 2
The month with the highest UV index is August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Cardiff, AL
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in December
Cardiff, AL
- 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).
Cardiff, Alabama, USA
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