December weather forecastMoelfre, United Kingdom

December

Weather in December

December, the first month of the winter in Moelfre, is still a chilly month, with an average temperature fluctuating between 8.9°C (48°F) and 6.8°C (44.2°F).

Temperature

Moelfre's weather in December, with an average high-temperature of a frosty 8.9°C (48°F), subtly shifts from November's 10.6°C (51.1°F). Moelfre reports an average low temperature of 6.8°C (44.2°F) in December, a minor decrease from the day's highs.

Humidity

The average relative humidity in December is 81%.

Rainfall

In Moelfre, in December, it is raining for 19.5 days, with typically 48mm (1.89") of accumulated precipitation. In Moelfre, during the entire year, the rain falls for 196.7 days and collects up to 430mm (16.93") of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Moelfre, United Kingdom, in December, snow falls for 1.1 days, with typically accumulated 5mm (0.2") of snow. In Moelfre, during the entire year, snow falls for 5.5 days and aggregates up to 29mm (1.14") of snow.

Sea temperature

In Moelfre, United Kingdom, in December, the average water temperature is 10.4°C (50.7°F).
Note: It is advised against swimming in 10.4°C (50.7°F) when it drops below 10°C (50°F). Such temperatures can cause extreme cold shock, leading to hyperventilation.

Daylight

December has the shortest days of the year, with an average of 7h and 36min of daylight.
On the first day of December, sunrise is at 8:09 am and sunset at 4:02 pm. On the last day of the month, sunrise is at 8:32 am and sunset at 4:08 pm GMT.

Sunshine

The month with the least sunshine is December, with an average of 3.7h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Updated: Jun 29, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in December, in Moelfre, is 8.9°C (48°F) and the average low-temperature is 6.8°C (44.2°F).

In December, the average relative humidity is 81%.

In Moelfre, during December, the rain falls for 19.5 days and regularly aggregates up to 48mm (1.89") of precipitation.

In Moelfre, in December, during 1.1 snowfall days, 5mm (0.2") of snow is typically accumulated.

In Moelfre, in December, the average water temperature is 10.4°C (50.7°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

December has the shortest days of the year, with an average of 7h and 36min of daylight.

In December, the average day length is 7h and 37min.

In December, on the first day of the month, sunrise is at 8:09 am and sunset at 4:02 pm. On the last day of the month, sunrise is at 8:32 am and sunset at 4:08 pm GMT.

With an average of 3.7h of sunshine, December has the least sunshine of the year.

In Moelfre, the average sunshine duration in December is 3.7h.

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

10.6°C

8.9°C

7.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

27.7km/h

30.2km/h

28.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

0.4

1.1

1.3

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

6.5

6.2

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Moelfre, United Kingdom

Average high temperature in December: 8.9°C

The warmest month (with the highest average high temperature) is August (16.6°C).
The month with the lowest average high temperature is February (7.3°C).

Average low temperature in December: 6.8°C

The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (5°C).

Average pressure in December
Moelfre, United Kingdom

Average pressure in December: 1011.7mbar

The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.7mbar).

Average wind speed in December
Moelfre, United Kingdom

Average wind speed in December: 28.6km/h

The windiest month (with the highest average wind speed) is December (28.6km/h).
The calmest month (with the lowest average wind speed) is June (17.2km/h).

Average humidity in December
Moelfre, United Kingdom

Average humidity in December: 81%

The months with the highest relative humidity are July and August (84%).
The months with the lowest relative humidity are April and November (80%).

Average rainfall in December
Moelfre, United Kingdom

Average rainfall in December: 48mm

The wettest month (with the highest rainfall) is November (51mm).
The driest months (with the least rainfall) are April and May (21mm).

Average rainfall days in December
Moelfre, United Kingdom

Average rainfall days in December: 19.5 days

The month with the highest number of rainy days is August (19.9 days).
The month with the least rainy days is June (13.2 days).

Average snowfall in December
Moelfre, United Kingdom

Average snowfall in December: 5mm

The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Moelfre, United Kingdom

Average snowfall days in December: 1.1 days

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in December
Moelfre, United Kingdom

Average sea temperature in December: 10.4°C

The best month for swimming (with the highest average sea temperature) is August (15.7°C).
The coldest month (with the lowest average sea temperature) is March (7.9°C).

Average daylight in December /
Average sunshine in December
Moelfre, United Kingdom

Average daylight in December: 7h and 36min

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).

Average sunshine in December: 3h and 42min

The month with the most sunshine is May (Average sunshine: 8h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).

Average sunshine days in December
Moelfre, United Kingdom

Average sunshine days in December: 6.2 days

The month with the most sunshine days is June (14.7 days).
The month with the least sunshine days is December (6.2 days).

Average UV index in December
Moelfre, 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
Moelfre, United Kingdom

Average cloud cover in December: 65

The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is May (Cloud cover 46).

Average visibility in December
Moelfre, United Kingdom

Average visibility in December: 10km

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