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Harlech weather in December (Gwynedd, United Kingdom)

What kind of temperatures can you expect in Harlech during December? Get all the weather information you need to plan your visit.

Temperatures

The month of December in Harlech typically brings low temperatures and heavy rainfall. During December, the winter season is in full swing. Daytime temperatures generally settle around 9°C, while nighttime can see a dip to about 4°C.

Precipitation

Harlech in December usually receives heavy rainfall, averaging around 169 mm for the month. This month is characterized by heavy rain, often falling intensely. Equip yourself with a poncho to stay protected from the rain. Looking at the last 30 years, the data shows about 21 days with rain.

Average sunshine

This month is characterized by fewer sunny days, with about 26 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Harlech. May, July and August typically offer the most optimal weather. In contrast, January, February, March, November and December tend to have less optimal conditions.

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

 

Harlech, monthly averages in December

Min TemperatureMin Temperature 4°C  
Max TemperatureMax Temperature 9°C  
Chance of RainChance of Rain 70%  
PrecipitationPrecipitation 169 mm  
Rainy daysRainy days 21 days  
SunshineSunshine 26 hours *  
Percentage SunshinePercentage Sunshine *  
Data from: Bala, the United Kingdom (34 KM, 21 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?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.

What To Do

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

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

Interested in more climate information?

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

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.