Lamlash

Isle of Arran Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Isle of Arran, the United Kingdom in December.

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Lamlash Brodick Kildonan Lochranza

Planning a journey to Isle of Arran, the United Kingdom this December and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Isle of Arran in December

Isle of Arran, the United Kingdom is a region in the United Kingdom. December in Isle of Arran generally has cold temperatures, with heavy precipitation.

Temperatures

You can expect cold maximum daytime temperatures of around 10°C (50°F) and nighttime temperatures around 6°C (43°F) in Lamlash.

For specific regional insights in Isle of Arran, the United Kingdom, refer to the map provided below.

Precipitation

In December, precipitation varies across different areas. From heavy rainfall in Kildonan with an average of 186 mm (7.3 in) to heavy rainfall in Lochranza with 204 mm (8 in). Looking at the climate data spanning the last 30 years, this month sees the heaviest rainfall of the year in Lamlash.

Average sunshine

Sunshine tends to be more scarce in many locations. Lamlash gets roughly 37 hours of sunlight. For sunnier alternatives, check our weather planner to find destinations with better conditions.

Explore Isle of Arran by month

Pick a month to see the average temperature, rainfall and sunshine in Isle of Arran — and find the best time to visit. (based on Lamlash)

January9°C (48°F) February8°C (46°F) March9°C (48°F) April10°C (50°F) May12°C (54°F) June14°C (57°F) This monthJuly16°C (61°F) August17°C (63°F) September16°C (61°F) October14°C (57°F) November11°C (52°F) December10°C (50°F)
Best Time to Visit Isle of Arran →

Best Places to Visit in Isle of Arran in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Isle of Arran.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Isle of Arran

What is the weather like in December for some of the most popular destinations in Isle of Arran, the United Kingdom?

Temperature range in Isle of Arran (December)

Precipitation variation in Isle of Arran (December)

Lamlash

In December Lamlash generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 6°C (43°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
11°C (52°F)
10°C (50°F)
9°C (48°F)
Min temperature
8°C (46°F)
6°C (43°F)
5°C (41°F)
Monthly sun hours
55 hours
37 hours
37 hours
Monthly rainfall
187 mm (7.4 in)
189 mm (7.4 in)
174 mm (6.9 in)
Monthly rainy days
21 days
22 days
22 days
Weather conditions
poor
poor
poor
Climate in Lamlash →

Brodick

In December Brodick generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 6°C (43°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
11°C (52°F)
10°C (50°F)
9°C (48°F)
Min temperature
8°C (46°F)
6°C (43°F)
5°C (41°F)
Monthly sun hours
55 hours
37 hours
37 hours
Monthly rainfall
187 mm (7.4 in)
190 mm (7.5 in)
177 mm (7 in)
Monthly rainy days
21 days
22 days
22 days
Weather conditions
poor
poor
poor
Climate in Brodick →

Kildonan

In December Kildonan generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 6°C (43°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
11°C (52°F)
10°C (50°F)
9°C (48°F)
Min temperature
8°C (46°F)
6°C (43°F)
5°C (41°F)
Monthly sun hours
55 hours
37 hours
37 hours
Monthly rainfall
183 mm (7.2 in)
186 mm (7.3 in)
167 mm (6.6 in)
Monthly rainy days
21 days
22 days
21 days
Weather conditions
poor
poor
poor
Climate in Kildonan →

Lochranza

In December Lochranza generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 6°C (43°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
11°C (52°F)
9°C (48°F)
9°C (48°F)
Min temperature
7°C (45°F)
6°C (43°F)
5°C (41°F)
Monthly sun hours
55 hours
37 hours
37 hours
Monthly rainfall
201 mm (7.9 in)
204 mm (8 in)
196 mm (7.7 in)
Monthly rainy days
21 days
22 days
22 days
Weather conditions
poor
poor
poor
Climate in Lochranza →

Is your destination not in the list? Have a look at all destinations in Isle of Arran, in the United Kingdom.

In our records: the United Kingdom December extremes

Notable December records observed across cities in the United Kingdom in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest December daytime high in the United Kingdom was -10°C (14°F) in Glasgow on December 29, 1995.
  • From our sources, the wettest December day in the United Kingdom brought 301 mm (12 in) in Belfast on December 4, 1982.

Popular cities in December

Day & night temperatures, rainfall and average weather in Isle of Arran in December.

City Weather Day temp Night temp Rainfall
Lamlash 10°C (50°F) 6°C (43°F) 189 mm (7.4 in)
Brodick 10°C (50°F) 6°C (43°F) 190 mm (7.5 in)
Kildonan 10°C (50°F) 6°C (43°F) 186 mm (7.3 in)
Lochranza 9°C (48°F) 6°C (43°F) 204 mm (8 in)

Isle of Arran weather in December: frequently asked questions

What is the weather like in Isle of Arran, the United Kingdom in December?

December in Isle of Arran, the United Kingdom brings poor weather. In Lamlash, daytime temperatures are typically around 10°C (50°F) and nighttime lows hover near 6°C (43°F).

What is the average temperature in Isle of Arran, the United Kingdom in December?

In Lamlash, the average daytime high in December is 10°C (50°F), while nighttime temperatures drop to around 6°C (43°F).

Does Isle of Arran, the United Kingdom get a lot of rain in December?

Rainfall in Isle of Arran, the United Kingdom peaks during December. Lamlash averages roughly 189 mm (7.4 in), so frequent and sometimes heavy showers are the norm.

Is December a Good Time to Visit Isle of Arran, the United Kingdom?

In our opinion, December may not be the ideal time to visit Isle of Arran, the United Kingdom due to the typically poor weather in Lamlash.

Generally speaking, the best visiting conditions can be found in June offering mostly tolerable weather in Lamlash. In contrast, January, February, March, April, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Isle of Arran.

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.

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