Weather in December in Cornwall
Planning a trip to Cornwall this December? Here's what you need to know about the weather:
What is the weather like in Cornwall in December?
Cornwall is a region in the United Kingdom. December in Cornwall generally has temperatures that range from cold to mild, with precipitation levels ranging from moderate to high. The month of December is in the winter season.
Temperatures
The average highest temperatures fluctuate between cold in Gunnislake at 10°C to mild in St Just at 12°C. Nighttime temperatures generally drop to 9°C in St Just and 4°C in Gunnislake.To learn more about the conditions in specific areas of Cornwall, check out the map below.
Precipitation
In December, precipitation varies across different areas. From moderate rainfall in Truro with an average of 88 mm to high rainfall in Gooseham with 139 mm. Based on our climate, it is the month with the most precipitation throughout the year in Newquay.Average sunshine
Most areas see fewer sunny days, with a projection of about 65 hours of sunshine in Newquay. This reduced sunlight makes it ideal for those who prefer dimmer, overcast conditions over bright sunny days.For a more detailed look at Cornwall's conditions throughout the year, check out our Cornwall climate page.
Where to go in Cornwall in December
Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Cornwall's climate page.
Popular destinations
What is the weather like in December for the 5 most popular destinations in Cornwall?
Newquay
In December Newquay generally has low temperatures with maximum daytime temperatures around 11°C, minimum nighttime temperatures around 6°C and high monthly rainfall. So on average the conditions are poor that month.
St Austell
In December St Austell generally has low temperatures with maximum daytime temperatures around 11°C, minimum nighttime temperatures around 6°C and high monthly rainfall. So on average the conditions are poor that month.
Penzance
In December Penzance generally has moderate temperatures with maximum daytime temperatures around 12°C, minimum nighttime temperatures around 8°C and high monthly rainfall. So on average the conditions are poor that month.
Bude
In December Bude generally has low temperatures with maximum daytime temperatures around 11°C, minimum nighttime temperatures around 6°C and high monthly rainfall. So on average the conditions are poor that month.
Falmouth
In December Falmouth generally has low temperatures with maximum daytime temperatures around 12°C, minimum nighttime temperatures around 7°C and moderate monthly rainfall. So on average the conditions are unpleasant that month.
Is your destination not in the list? Have a look at other destinations in Cornwall, in the United Kingdom.
Is December the best time to visit Cornwall?
Given the typically poor weather conditions in Newquay, December may not be the ideal time to visit Cornwall.
On average, the best time to visit Cornwall is in July and August with generally perfect weather in Newquay. On the other hand, the months of February, November and December tend to have poor weather conditions.
Interested in more climate information?
We have much more information about the climate in Cornwall.
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 travel conditions. Find out where to go with our weather planner.