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 sea temperature 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 ushering in of December brings an average high-temperature of a chilly 8.3°C (46.9°F), closely mirroring the 10.3°C (50.5°F) of November. Port Talbot's nocturnal December readings average at an icy 5.2°C (41.4°F), showing little variation from the daytime temperatures.Humidity
January and December, with an average relative humidity of 87%, are the most humid months.Rainfall
The months with the most rainfall are November and December, with an average 66mm (2.6") of precipitation.Snowfall
Months with snowfall in Port Talbot are January through March and December. December is the first month it typically snows. Throughout December, in the average 1.1 snowfall days, it receives 9mm (0.35") of snow. In Port Talbot, United Kingdom, during the entire year, snow falls for 5.4 days and aggregates up to 28mm (1.1") of snow.Sea temperature
In Port Talbot, United Kingdom, in December, the average water temperature is 11.1°C (52°F).Note: Diving into 11.1°C (52°F) when it's under 10°C (50°F) can cause immediate cold shock symptoms, marked by hyperventilation.
Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:59 am and sunset at 4:09 pm. On the last day of December, sunrise is at 8:21 am and sunset at 4:15 pm GMT.
Sunshine
In December, the average sunshine in Port Talbot is 3.8h.UV index
The months with the lowest UV index in Port Talbot are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What is the usual temperature for Port Talbot in December?
What is the most humid month in Port Talbot?
What is the average humidity in December in Port Talbot?
What is the wettest month in Port Talbot?
How many days does it rain in December in Port Talbot?
When does it start to snow in Port Talbot?
How cold is the water in December in Port Talbot?
What is the month with the shortest days in Port Talbot?
What is the average length of the day in December in Port Talbot?
When are sunrise and sunset in December in Port Talbot?
How many hours of sunshine does Port Talbot have in December?
What are the months with the lowest UV index in Port Talbot?
What is the UV index reading in December in Port Talbot?
Average temperature in December
Port Talbot, United Kingdom
- Average high temperature in December: 8.3°C
The warmest month (with the highest average high temperature) is July (18.2°C).
The months with the lowest average high temperature are January and February (7.3°C).
- Average low temperature in December: 5.2°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).
Average pressure in December
Port Talbot, United Kingdom
- Average pressure in December: 1013.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in December
Port Talbot, United Kingdom
- Average wind speed in December: 22.4km/h
The windiest month (with the highest average wind speed) is December (22.4km/h).
The calmest month (with the lowest average wind speed) is June (14.9km/h).
Average humidity in December
Port Talbot, United Kingdom
- Average humidity in December: 87%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is April (81%).
Average rainfall in December
Port Talbot, United Kingdom
- Average rainfall in December: 66mm
The wettest months (with the highest rainfall) are November and December (66mm).
The driest month (with the least rainfall) is May (31mm).
Average rainfall days in December
Port Talbot, United Kingdom
- Average rainfall days in December: 16.9 days
The month with the highest number of rainy days is November (17 days).
The month with the least rainy days is September (12.6 days).
Average snowfall in December
Port Talbot, United Kingdom
- Average snowfall in December: 9mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Port Talbot, United Kingdom
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Port Talbot, United Kingdom
- Average sea temperature in December: 11.1°C
The best month for swimming (with the highest average sea temperature) is August (16.8°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).
Average daylight in December /
Average sunshine in December
Port Talbot, 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 5min
The month with the most sunshine is May (Average sunshine: 8h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Port Talbot, United Kingdom
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Port Talbot, 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, November and December (UV index 2).
Average cloud cover in December
Port Talbot, United Kingdom
- Average cloud cover in December: 63
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 47).
Average visibility in December
Port Talbot, 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).
Port Talbot, United Kingdom
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