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 beginning of December reveals an average high-temperature of a still frosty 6.9°C (44.4°F), showing minimal deviation from the previous month. An average nighttime temperature of 3.5°C (38.3°F) marks December in Criccieth.Humidity
The months with the highest humidity in Criccieth, United Kingdom, are January, August, October through December, with an average relative humidity of 88%.Rainfall
In Criccieth, in December, during 17 rainfall days, 74mm (2.91") of precipitation is typically accumulated. In Criccieth, during the entire year, the rain falls for 198.5 days and collects up to 770mm (30.31") of precipitation.Snowfall
Months with snowfall are January through June, October through December. In Criccieth, in December, during 4.6 snowfall days, 76mm (2.99") of snow is typically accumulated. In Criccieth, during the entire year, snow falls for 32.9 days and aggregates up to 494mm (19.45") of snow.Sea temperature
In Criccieth, in December, the average water temperature is 10.8°C (51.4°F).Note: Beware when you're in 10.8°C (51.4°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition.
Daylight
The month with the shortest days in Criccieth is December, with an average of 7h and 42min of daylight.On the first day of December, sunrise is at 8:07 am and sunset at 4:04 pm. On the last day of the month, sunrise is at 8:29 am and sunset at 4:10 pm GMT.
Sunshine
With an average of 2.9h of sunshine, December has the least sunshine of the year.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Criccieth, United Kingdom. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
How cold is it in Criccieth in December?
What is the most humid month in Criccieth?
What is the average humidity in December in Criccieth?
How many days does it rain in December in Criccieth?
How much does it snow in Criccieth in December?
What is the sea water temperature in December in Criccieth?
What is the month with the shortest days in Criccieth?
What is the average length of the day in December in Criccieth?
When are sunrise and sunset in December in Criccieth?
What is the month with the least sunshine in Criccieth?
How long on average sun shines in December in Criccieth?
When is the lowest UV index in Criccieth?
How high is the UV index in December in Criccieth?
Average temperature in December
Criccieth, United Kingdom
- Average high temperature in December: 6.9°C
The warmest month (with the highest average high temperature) is July (16.4°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 3.5°C
The month with the highest average low temperature is August (11.2°C).
The coldest month (with the lowest average low temperature) is February (2.2°C).
Average pressure in December
Criccieth, United Kingdom
- Average pressure in December: 1012mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed in December
Criccieth, United Kingdom
- Average wind speed in December: 20.7km/h
The windiest month (with the highest average wind speed) is December (20.7km/h).
The calmest month (with the lowest average wind speed) is June (12.6km/h).
Average humidity in December
Criccieth, United Kingdom
- Average humidity in December: 88%
The months with the highest relative humidity are January, August, October, November and December (88%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in December
Criccieth, United Kingdom
- Average rainfall in December: 74mm
The wettest month (with the highest rainfall) is November (79mm).
The driest months (with the least rainfall) are April and May (46mm).
Average rainfall days in December
Criccieth, United Kingdom
- Average rainfall days in December: 17 days
The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in December
Criccieth, United Kingdom
- Average snowfall in December: 76mm
The month with the highest snowfall is January (105mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in December
Criccieth, United Kingdom
- Average snowfall days in December: 4.6 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are July, August and September (0 days).
Average sea temperature in December
Criccieth, United Kingdom
- Average sea temperature in December: 10.8°C
The best month for swimming (with the highest average sea temperature) is September (15.7°C).
The coldest months (with the lowest average sea temperature) are February and March (8.3°C).
Average daylight in December /
Average sunshine in December
Criccieth, United Kingdom
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is June (Average sunshine: 6h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in December
Criccieth, United Kingdom
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is March (13.9 days).
The months with the least sunshine days are July and August (9.1 days).
Average UV index in December
Criccieth, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (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
Criccieth, United Kingdom
- Average cloud cover in December: 72
The month with the most cloud cover is December (Cloud cover 72).
The months with the least cloud cover are April and May (Cloud cover 55).
Average visibility in December
Criccieth, 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).
Criccieth, United Kingdom
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