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
As December takes its course, Carmarthen's average high-temperature registers at a chilly 8.6°C (47.5°F), closely aligning with the preceding month. Throughout December nights, Carmarthen records a consistent low-temperature averaging an icy 5.4°C (41.7°F).Humidity
The average relative humidity in December in Carmarthen, United Kingdom, is 86%.Rainfall
In December, the rain falls for 20.6 days. Throughout December, 59mm (2.32") of precipitation is accumulated. Throughout the year, in Carmarthen, United Kingdom, there are 210.2 rainfall days, and 515mm (20.28") of precipitation is accumulated.Snowfall
Months with snowfall in Carmarthen are January, February, November and December. In December, it is snowing for 0.9 days. Throughout December, 5mm (0.2") of snow is accumulated. In Carmarthen, during the entire year, snow falls for 3.9 days and aggregates up to 15mm (0.59") of snow.Daylight
December has the shortest days of the year, with an average of 7h and 54min of daylight.On the first day of December in Carmarthen, sunrise is at 8:02 am and sunset at 4:10 pm. On the last day of the month, sunrise is at 8:24 am and sunset at 4:16 pm GMT.
Sunshine
In December, the average sunshine in Carmarthen is 3.7h.UV index
The months with the lowest UV index in Carmarthen are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What are the temperatures in Carmarthen in December?
What is the average humidity in December in Carmarthen?
How much does it rain in Carmarthen in December?
How much does it snow in Carmarthen in December?
What is the month with the shortest days in Carmarthen?
What is the average length of the day in December in Carmarthen?
When is the sunrise / sunset in December in Carmarthen?
How long on average sun shines in December in Carmarthen?
When is the lowest UV index in Carmarthen?
How high is the UV index in December in Carmarthen?
Average temperature in December
Carmarthen, United Kingdom
- Average high temperature in December: 8.6°C
The warmest month (with the highest average high temperature) is July (17.9°C).
The month with the lowest average high temperature is February (7.6°C).
- Average low temperature in December: 5.4°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in December
Carmarthen, United Kingdom
- Average pressure in December: 1013.5mbar
The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in December
Carmarthen, United Kingdom
- Average wind speed in December: 22.3km/h
The windiest month (with the highest average wind speed) is December (22.3km/h).
The calmest month (with the lowest average wind speed) is June (14.5km/h).
Average humidity in December
Carmarthen, United Kingdom
- Average humidity in December: 86%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in December
Carmarthen, United Kingdom
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is November (60mm).
The driest month (with the least rainfall) is May (24mm).
Average rainfall days in December
Carmarthen, United Kingdom
- Average rainfall days in December: 20.6 days
The month with the highest number of rainy days is December (20.6 days).
The month with the least rainy days is April (13.5 days).
Average snowfall in December
Carmarthen, United Kingdom
- Average snowfall in December: 5mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Carmarthen, United Kingdom
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (1.3 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
Carmarthen, United Kingdom
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Carmarthen, United Kingdom
- Average sunshine days in December: 6.6 days
The month with the most sunshine days is March (13.2 days).
The month with the least sunshine days is August (6.3 days).
Average UV index in December
Carmarthen, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Carmarthen, United Kingdom
- Average cloud cover in December: 64
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and May (Cloud cover 48).
Average visibility in December
Carmarthen, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Carmarthen, United Kingdom
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