ClimateForecastDecemberJanuary >>

Weather in December in Cornwall

Planning a getaway to Cornwall this December and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

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.

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 climate data from the last 30 years, Newquay receives the most rainfall during this month of the year.

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 closer look at December's conditions in Cornwall, see the map below. For a more detailed look at Cornwall's yearly weather, check out our Cornwall climate page.

Where to go in Cornwall in December

Find more information for the most popular destinations in the Cornwall on the map below. Click on a destination dot for more detailes.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

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.

Newquay
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
13°C 
8°C 
81 hours 
104 mm 
20 days 
poor 
11°C 
6°C 
65 hours 
104 mm 
21 days 
poor 
January   >> January
>>  
11°C 
6°C 
68 hours 
95 mm 
21 days 
Climate in Newquay

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.

St Austell
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
13°C 
8°C 
81 hours 
101 mm 
20 days 
poor 
11°C 
6°C 
65 hours 
102 mm 
21 days 
poor 
January   >> January
>>  
10°C 
5°C 
68 hours 
95 mm 
21 days 
poor 
Climate in St Austell

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.

Penzance
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
13°C 
10°C 
81 hours 
115 mm 
21 days 
poor 
12°C 
8°C 
65 hours 
114 mm 
22 days 
poor 
January   >> January
>>  
11°C 
7°C 
68 hours 
106 mm 
22 days 
poor 
Climate in Penzance

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.

Bude
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
13°C 
8°C 
76 hours 
124 mm 
20 days 
poor 
11°C 
6°C 
55 hours 
128 mm 
21 days 
poor 
January   >> January
>>  
10°C 
5°C 
60 hours 
110 mm 
21 days 
poor 
Climate in Bude

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.

Falmouth
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
13°C 
8°C 
81 hours 
93 mm 
20 days 
12°C 
7°C 
65 hours 
93 mm 
21 days 
January   >> January
>>  
11°C 
6°C 
68 hours 
88 mm 
22 days 
Climate in Falmouth

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. Interested in the weather conditions in a specific month? Select the month below.

  • January      
  • February      
  • March      
  • April      
  • May      
  • June      
  • July      
  • August      
  • September      
  • October      
  • November      
  • December      
  • 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.