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 shift into December finds Conwy at an average high-temperature of a still frosty 8°C (46.4°F), closely comparable to November's conditions. Conwy, during December nights, records a temperature marginally cooler than the daytime average, at an icy 5.3°C (41.5°F).Humidity
In Conwy, United Kingdom, the average relative humidity in December is 84%.Rainfall
In Conwy, in December, during 22.5 rainfall days, 64mm (2.52") of precipitation is typically accumulated. In Conwy, United Kingdom, during the entire year, the rain falls for 228.5 days and collects up to 604mm (23.78") of precipitation.Snowfall
January through April, November and December are months with snowfall in Conwy. In Conwy, during December, snow falls for 1.9 days and regularly aggregates up to 20mm (0.79") of snow. In Conwy, during the entire year, snow falls for 9 days and aggregates up to 69mm (2.72") of snow.Sea temperature
In December, the average sea temperature in Conwy is 10°C (50°F).Note: With the appropriate swimsuit, one can swim in 10°C (50°F) even if temperatures dip below 10°C (50°F); otherwise, be ready for cold shock and breath issues. A fleeting swim around 13°C (55.4°F) is distressing.
Daylight
The month with the shortest days in Conwy is December, with an average of 7h and 36min of daylight.On the first day of the month, sunrise is at 8:07 am and sunset at 4:01 pm. On the last day of December, sunrise is at 8:30 am and sunset at 4:06 pm GMT.
Sunshine
In Conwy, United Kingdom, the average sunshine in December is 3.7h.UV index
The months with the lowest UV index in Conwy 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 minimal health hazard from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What are December temperatures in Conwy?
What is the average humidity in December in Conwy?
How much does it rain in Conwy in December?
How many days does it snow in December in Conwy?
What is the sea water temperature in December in Conwy?
What is the month with the shortest days in Conwy?
How many hours of daylight does Conwy have in December?
What time are sunrise and sunset in December in Conwy?
How long on average sun shines in December in Conwy?
What is the month with the lowest UV index in Conwy?
How high is the UV index in December in Conwy?
Average temperature in December
Conwy, 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
Conwy, 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
Conwy, 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
Conwy, 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
Conwy, 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
Conwy, 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
Conwy, 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
Conwy, 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 sea temperature in December
Conwy, United Kingdom
- Average sea temperature in December: 10°C
The best month for swimming (with the highest average sea temperature) is August (16.3°C).
The coldest months (with the lowest average sea temperature) are February and March (7.7°C).
Average daylight in December /
Average sunshine in December
Conwy, 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
Conwy, 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
Conwy, 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
Conwy, 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
Conwy, 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).
Conwy, United Kingdom
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