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St Mellion weather in December (Cornwall, United Kingdom)

How does the December weather in St Mellion compare to other months? Check out our in-depth weather guide for this month.

Temperatures

Typically, December in St Mellion includes low temperatures and high rainfall. The winter season is characteristic of December. Daytime temperatures generally settle around 10°C, while nighttime can see a dip to about 5°C.

Precipitation

St Mellion in December usually receives high rainfall, averaging around 102 mm for the month. This is the wettest month of the year, so having an umbrella ready is a smart choice. You can typically expect 20 days days of rain this month, based on climate records.

Average sunshine

The city usually sees around 55 hours of sunlight, indicating fewer sunny days.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit St Mellion. July and August typically offer the best circumstances. While January, February and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized St Mellion climate page with graphs.

 

St Mellion, monthly averages in December

Min TemperatureMin Temperature 5°C  
Max TemperatureMax Temperature 10°C  
Chance of RainChance of Rain 68%  
PrecipitationPrecipitation 102 mm  
Rainy daysRainy days 20 days  
HumidityHumidity 86% *  
SunshineSunshine 55 hours *  
Percentage SunshinePercentage Sunshine *  
Data from: Plymouth, the United Kingdom (14 KM, 8 Miles).

Where to go in the United Kingdom in December

Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month.

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).

So, what should you wear in this month?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
4/10
Cycling
5/10
Walking
5/10
Camping
3/10
Outdoor sports
5/10

Interested in more climate information?

This site provides you with all the information you need about the climate in St Mellion.

Our site offers climate and forecast data for every country in the world. Are you going to the United Kingdom? On this website you can find 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.