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
The start of December marks an average high-temperature of a still frosty 8°C (46.4°F), hardly distinguishable from the conditions in November. A modest decline from daytime high temperatures is noticed in December, marking the average low at a cold 5.3°C (41.5°F).Humidity
In Colwyn Bay, the average relative humidity in December is 84%.Rainfall
In Colwyn Bay, during December, the rain falls for 22.5 days and regularly aggregates up to 64mm (2.52") of precipitation. Throughout the year, in Colwyn Bay, there are 228.5 rainfall days, and 604mm (23.78") of precipitation is accumulated.Snowfall
Months with snowfall in Colwyn Bay are January through April, November and December. In Colwyn Bay, in December, snow falls for 1.9 days, with typically accumulated 20mm (0.79") of snow. Throughout the year, there are 9 snowfall days, and 69mm (2.72") of snow is accumulated.Daylight
The month with the shortest days in Colwyn Bay, United Kingdom, is December, with an average of 7h and 36min of daylight.On the first day of December, sunrise is at 8:07 am and sunset at 4:00 pm. On the last day of the month, sunrise is at 8:29 am and sunset at 4:06 pm GMT.
Sunshine
In Colwyn Bay, United Kingdom, the average sunshine in December is 3.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Colwyn Bay, United Kingdom. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum 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. To guard against the harmful effects of the Sun, minimize exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What are December temperatures in Colwyn Bay?
What is the average humidity in December in Colwyn Bay?
How many days does it rain in December in Colwyn Bay?
How much does it snow in Colwyn Bay in December?
What is the month with the shortest days in Colwyn Bay?
How many hours of daylight does Colwyn Bay have in December?
When is the sunrise / sunset in December in Colwyn Bay?
How many hours of sunshine does Colwyn Bay have in December?
When is the lowest UV index in Colwyn Bay?
What is the UV index reading in December in Colwyn Bay?
Average temperature in December
Colwyn Bay, United Kingdom
- Average high temperature in December: 8°C
The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in December: 5.3°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).
Average pressure in December
Colwyn Bay, United Kingdom
- Average pressure in December: 1011.8mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed in December
Colwyn Bay, United Kingdom
- Average wind speed in December: 23.8km/h
The windiest month (with the highest average wind speed) is December (23.8km/h).
The calmest month (with the lowest average wind speed) is June (14.4km/h).
Average humidity in December
Colwyn Bay, United Kingdom
- Average humidity in December: 84%
The months with the highest relative humidity are January and August (85%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in December
Colwyn Bay, United Kingdom
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is November (68mm).
The driest month (with the least rainfall) is May (31mm).
Average rainfall days in December
Colwyn Bay, United Kingdom
- Average rainfall days in December: 22.5 days
The month with the highest number of rainy days is December (22.5 days).
The month with the least rainy days is February (15.8 days).
Average snowfall in December
Colwyn Bay, United Kingdom
- Average snowfall in December: 20mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Colwyn Bay, United Kingdom
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Colwyn Bay, United Kingdom
- Average daylight in December: 7h and 4min
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 4min
The months with the most sunshine are May and June (Average sunshine: 7h and 42min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).
Average sunshine days in December
Colwyn Bay, United Kingdom
- Average sunshine days in December: 5.4 days
The months with the most sunshine days are March and May (11 days).
The month with the least sunshine days is November (5.2 days).
Average UV index in December
Colwyn Bay, 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
Colwyn Bay, 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 49).
Average visibility in December
Colwyn Bay, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are March, September and October (10km).
The months with the lowest visibility are January, February, April, May, June, July, August, November and December (9km).
Colwyn Bay, United Kingdom
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