Gwynedd weather in December
Thinking about venturing to Gwynedd this December and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:
What is the weather like in Gwynedd in December?
Gwynedd is a region in the United Kingdom. December in Gwynedd generally has cold temperatures, with precipitation levels ranging from high to heavy. December falls during the winter season.
The average maximum temperatures are cold and range from 8°C in Llandderfel to 11°C in Aberdaron. Nighttime temperatures generally drop to 7°C in Aberdaron and 2°C in Llandderfel.
In December, precipitation varies across different areas. From high rainfall in Colwyn Bay with an average of 103 mm to heavy rainfall in Pistyll with 202 mm. Based on our climate, it is the month with the most precipitation throughout the year in Llandudno. The city Llandudno usually sees around 26 hours of sunlight, indicating fewer sunny days.
For specific regional insights in Gwynedd for December, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Gwynedd climate page.
Where to go in Gwynedd in December
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Popular destinations
What is the weather like in December for the 5 most popular destinations in Gwynedd?
Llandudno
In December Llandudno generally has low temperatures with maximum daytime temperatures around 9°C, minimum nighttime temperatures around 4°C and high monthly rainfall. So on average the conditions are poor that month.
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Betws-y-coed
In December Betws-y-coed generally has low temperatures with maximum daytime temperatures around 8°C, minimum nighttime temperatures around 3°C and high monthly rainfall. So on average the conditions are poor that month.
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Criccieth
In December Criccieth generally has low temperatures with maximum daytime temperatures around 9°C, minimum nighttime temperatures around 5°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Conwy
In December Conwy generally has low temperatures with maximum daytime temperatures around 9°C, minimum nighttime temperatures around 4°C and high monthly rainfall. So on average the conditions are poor that month.
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Dolgellau
In December Dolgellau generally has low temperatures with maximum daytime temperatures around 8°C, minimum nighttime temperatures around 3°C and high monthly rainfall. So on average the conditions are poor that month.
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Is your destination not in the list? Have a look at other destinations in Gwynedd, in the United Kingdom.
Is December the best time to visit Gwynedd?
Given the typically poor weather conditions in Llandudno, December may not be the ideal time to visit Gwynedd.
On average, the best time to visit Gwynedd is in July with generally perfect weather in Llandudno. On the other hand, the weather in January, February, March, November and December tend to be poor.
Interested in more climate information?
We have much more information about the climate in Gwynedd.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed historical weather averages for many cities in the United Kingdom.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.