December weather forecast
Roath, United Kingdom

December

Weather in December

The first month of the winter, December, is still a chilly month in Roath, United Kingdom, with an average temperature varying between 8.6°C (47.5°F) and 5.2°C (41.4°F).

Temperature

Roath, United Kingdom, records an average high-temperature of a chilly 8.6°C (47.5°F) in December, closely mirroring the climate of the previous month. Roath's December nights demonstrate minimal variation from the daytime temperatures, with an average of 5.2°C (41.4°F).

Humidity

November and December, with an average relative humidity of 86%, are the most humid months.

Rainfall

In Roath, in December, during 12.5 rainfall days, 27mm (1.06") of precipitation is typically accumulated. In Roath, during the entire year, the rain falls for 132.6 days and collects up to 252mm (9.92") of precipitation.

Snowfall

January, February, November and December are months with snowfall. In Roath, during December, snow falls for 0.7 days and regularly aggregates up to 1mm (0.04") of snow. Throughout the year, there are 3.1 snowfall days, and 8mm (0.31") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 7h and 54min of daylight.
On the first day of the month, sunrise is at 7:56 am and sunset at 4:07 pm. On the last day of December, sunrise is at 8:18 am and sunset at 4:13 pm GMT.

Sunshine

In Roath, the average sunshine in December is 4.1h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.

Frequently asked questions

What are December temperatures?
The average high-temperature, in December, in Roath, is 8.6°C (47.5°F), while the average low-temperature is 5.2°C (41.4°F).
What is the most humid month?
November and December, with an average relative humidity of 86%, are most humid months.
What is the average humidity in December?
In Roath, the average relative humidity in December is 86%.
How many days does it rain in December?
In Roath, during December, the rain falls for 12.5 days and regularly aggregates up to 27mm (1.06") of precipitation.
How many days does it snow in December in Roath?
In Roath, during December, snow falls for 0.7 days and regularly aggregates up to 1mm (0.04") of snow.
What is the month with the shortest days?
With an average of 7h and 54min of daylight, December has the shortest days of the year.
What is the average length of the day in December?
In December, the average day length is 7h and 56min.
When is the sunrise / sunset in December?
On the first day of December, sunrise is at 7:56 am and sunset at 4:07 pm. On the last day of the month, sunrise is at 8:18 am and sunset at 4:13 pm GMT.
How many hours of sunshine does Roath have in December?
In December, the average sunshine duration is 4.1h.
When is the lowest UV index?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
How high is the UV index in December?
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Roath, United Kingdom
Average temperature in December
Roath, United Kingdom
  • Average high temperature in December: 8.6°C

The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is January (7.5°C).

  • Average low temperature in December: 5.2°C

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).

Average pressure in December - Roath, United Kingdom
Average pressure in December
Roath, United Kingdom
  • Average pressure in December: 1014mbar

The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010mbar).

Average wind speed in December - Roath, United Kingdom
Average wind speed in December
Roath, United Kingdom
  • Average wind speed in December: 22km/h

The windiest month (with the highest average wind speed) is February (22.3km/h).
The calmest months (with the lowest average wind speed) are June and July (15.2km/h).

Average humidity in December - Roath, United Kingdom
Average humidity in December
Roath, United Kingdom
  • Average humidity in December: 86%

The months with the highest relative humidity are November and December (86%).
The months with the lowest relative humidity are April and May (81%).

Average rainfall in December - Roath, United Kingdom
Average rainfall in December
Roath, United Kingdom
  • Average rainfall in December: 27mm

The wettest months (with the highest rainfall) are August and November (31mm).
The driest month (with the least rainfall) is April (12mm).

Average rainfall days in December - Roath, United Kingdom
Average rainfall days in December
Roath, United Kingdom
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is November (13.5 days).
The months with the least rainy days are February and April (9.1 days).

Average snowfall in December - Roath, United Kingdom
Average snowfall in December
Roath, United Kingdom
  • Average snowfall in December: 1mm

The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).

Average snowfall days in December - Roath, United Kingdom
Average snowfall days in December
Roath, United Kingdom
  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is February (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 - Roath, United Kingdom
Average daylight in December /
Average sunshine in December
Roath, 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: 4h and 1min

The month with the most sunshine is May (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).

Average sunshine days in December - Roath, United Kingdom
Average sunshine days in December
Roath, United Kingdom
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is April (19.2 days).
The month with the least sunshine days is November (13.7 days).

Average UV index in December - Roath, United Kingdom
Average UV index in December
Roath, 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 - Roath, United Kingdom
Average cloud cover in December
Roath, United Kingdom
  • Average cloud cover in December: 59

The month with the most cloud cover is November (Cloud cover 61).
The months with the least cloud cover are April and May (Cloud cover 46).

Average visibility in December - Roath, United Kingdom
Average visibility in December
Roath, United Kingdom
  • Average visibility in December: 10km

The months with the highest visibility are February, March and December (10km).
The months with the lowest visibility are January, April, May, June, July, August, September, October and November (9km).

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