Isle of Bute Weather in December

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

Thinking about venturing to Isle of Bute, the United Kingdom this December and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Isle of Bute in December

Isle of Bute, the United Kingdom is a region in the United Kingdom. December in Isle of Bute generally has cold temperatures, with heavy precipitation. During December, winter is in full swing.

Temperatures

You can expect cold maximum daytime temperatures of around 9°C (48°F) and nighttime temperatures around 4°C (39°F) in Rothesay.

For a closer look at conditions across Isle of Bute, the United Kingdom, refer to the map below.

Precipitation

In December, precipitation varies across different areas. From heavy rainfall in Millport with an average of 163 mm (6.4 in) to heavy rainfall in Colintraive with 188 mm (7.4 in).

Average sunshine

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

Explore Isle of Bute by month

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

Best Places to Visit in Isle of Bute in December

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

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 Bute

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

Temperature range in Isle of Bute (December)

Precipitation variation in Isle of Bute (December)

Rothesay

In December Rothesay generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 4°C (39°F) and heavy monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
11°C (52°F)
9°C (48°F)
8°C (46°F)
Min temperature
6°C (43°F)
4°C (39°F)
4°C (39°F)
Monthly sun hours
55 hours
37 hours
37 hours
Monthly rainfall
176 mm (6.9 in)
180 mm (7.1 in)
180 mm (7.1 in)
Monthly rainy days
21 days
22 days
22 days
Weather conditions

Colintraive

In December Colintraive generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 4°C (39°F) and heavy monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
11°C (52°F)
9°C (48°F)
8°C (46°F)
Min temperature
6°C (43°F)
4°C (39°F)
4°C (39°F)
Monthly sun hours
55 hours
37 hours
37 hours
Monthly rainfall
183 mm (7.2 in)
188 mm (7.4 in)
189 mm (7.4 in)
Monthly rainy days
21 days
23 days
23 days
Weather conditions

Millport

In December Millport generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 4°C (39°F) and heavy monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
11°C (52°F)
9°C (48°F)
9°C (48°F)
Min temperature
6°C (43°F)
4°C (39°F)
4°C (39°F)
Monthly sun hours
55 hours
37 hours
37 hours
Monthly rainfall
160 mm (6.3 in)
163 mm (6.4 in)
163 mm (6.4 in)
Monthly rainy days
20 days
21 days
22 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Isle of Bute, 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 Bute in December.

City Weather Day temp Night temp Rainfall
Rothesay 9°C (48°F) 4°C (39°F) 180 mm (7.1 in)
Colintraive 9°C (48°F) 4°C (39°F) 188 mm (7.4 in)
Millport 9°C (48°F) 4°C (39°F) 163 mm (6.4 in)

Isle of Bute weather in December: frequently asked questions

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

In December, Isle of Bute, the United Kingdom generally has poor weather conditions. Rothesay sees daytime temperatures near 9°C (48°F), with nights cooling to roughly 4°C (39°F).

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

Average temperatures in Isle of Bute, the United Kingdom during December range from a nighttime low near 4°C (39°F) to a daytime high around 9°C (48°F) in Rothesay.

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

Rainfall in Isle of Bute, the United Kingdom peaks during December. Rothesay averages roughly 180 mm (7.1 in), so frequent and sometimes heavy showers are the norm.

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

Given the typically poor weather conditions in Rothesay, December may not be the ideal time to visit Isle of Bute, the United Kingdom.

Generally speaking, May, July and August provide tolerable weather in Rothesay. The weather in January, February, March, April, October, November and December, on the other hand, tends to be poor.

Interested in more climate information?

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

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.