Clifden

Connemara Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Connemara, Ireland in December.

Are you planning a trip a to Connemara, Ireland in December and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Connemara in December

Connemara, Ireland is a region in Ireland. December in Connemara generally has cold temperatures, with precipitation levels ranging from high to heavy.

Temperatures

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

To explore the conditions in Connemara, Ireland in more detail, check the map below.

Precipitation

In December, precipitation varies across different areas. From high rainfall in Oughterard with an average of 123 mm (4.8 in) to heavy rainfall in Carna with 183 mm (7.2 in). Based on our climate, it is the month with the most precipitation throughout the year in Clifden.

Average sunshine

Sunshine is more limited in many areas during this month. Clifden receives about 35 hours of sunlight. For sunnier weather, check our weather planner to find destinations with better conditions.

Explore Connemara by month

Best Places to Visit in Connemara in December

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

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 Connemara

What is the weather like in December for some of the most popular destinations in Connemara, Ireland?

Temperature range in Connemara (December)

Precipitation variation in Connemara (December)

Clifden

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

November
December
January
Max temperature
12°C (54°F)
10°C (50°F)
10°C (50°F)
Min temperature
7°C (45°F)
6°C (43°F)
5°C (41°F)
Monthly sun hours
54 hours
35 hours
45 hours
Monthly rainfall
158 mm (6.2 in)
158 mm (6.2 in)
147 mm (5.8 in)
Monthly rainy days
24 days
24 days
24 days
Weather conditions

Oughterard

In December Oughterard generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 4°C (39°F) and high monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
12°C (54°F)
10°C (50°F)
9°C (48°F)
Min temperature
5°C (41°F)
4°C (39°F)
3°C (37°F)
Monthly sun hours
54 hours
35 hours
45 hours
Monthly rainfall
122 mm (4.8 in)
123 mm (4.8 in)
118 mm (4.6 in)
Monthly rainy days
22 days
23 days
23 days
Weather conditions

Roundstone

In December Roundstone 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
Max temperature
12°C (54°F)
10°C (50°F)
10°C (50°F)
Min temperature
8°C (46°F)
6°C (43°F)
5°C (41°F)
Monthly sun hours
54 hours
35 hours
45 hours
Monthly rainfall
173 mm (6.8 in)
173 mm (6.8 in)
160 mm (6.3 in)
Monthly rainy days
24 days
24 days
24 days
Weather conditions

Cleggan

In December Cleggan generally has low temperatures with maximum daytime temperatures around 11°C (52°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
Max temperature
12°C (54°F)
11°C (52°F)
10°C (50°F)
Min temperature
8°C (46°F)
6°C (43°F)
6°C (43°F)
Monthly rainfall
168 mm (6.6 in)
166 mm (6.5 in)
154 mm (6.1 in)
Monthly rainy days
24 days
24 days
24 days
Weather conditions

Ballyconneely

In December Ballyconneely generally has low temperatures with maximum daytime temperatures around 11°C (52°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
Max temperature
12°C (54°F)
11°C (52°F)
10°C (50°F)
Min temperature
8°C (46°F)
6°C (43°F)
6°C (43°F)
Monthly rainfall
172 mm (6.8 in)
171 mm (6.7 in)
158 mm (6.2 in)
Monthly rainy days
24 days
24 days
24 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Connemara, in Ireland.

In our records: Ireland December extremes

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

  • Based on our data, the coldest December night in Ireland dropped to -16°C (3°F) in Donegal on December 23, 2010.
  • In our records, the coldest December daytime high in Ireland was -7°C (19°F) in Lurgan on December 21, 2010.

Popular cities in December

Day & night temperatures, rainfall and average weather in Connemara in December.

City Weather Day temp Night temp Rainfall
Clifden 10°C (50°F) 6°C (43°F) 158 mm (6.2 in)
Oughterard 10°C (50°F) 4°C (39°F) 123 mm (4.8 in)
Roundstone 10°C (50°F) 6°C (43°F) 173 mm (6.8 in)
Cleggan 11°C (52°F) 6°C (43°F) 166 mm (6.5 in)
Ballyconneely 11°C (52°F) 6°C (43°F) 171 mm (6.7 in)
Letterfrack 10°C (50°F) 5°C (41°F) 159 mm (6.3 in)

Connemara weather in December: frequently asked questions

What is the weather like in Connemara, Ireland in December?

Connemara, Ireland typically experiences poor weather in December, part of the season. Daytime highs in Clifden average around 10°C (50°F), and temperatures drop to about 6°C (43°F) at night.

What is the average temperature in Connemara, Ireland in December?

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

Does Connemara, Ireland get a lot of rain in December?

Clifden typically receives notable rainfall in December, about 158 mm (6.2 in) on average across Connemara, Ireland.

Is December a Good Time to Visit Connemara, Ireland?

In our view, December might not be the best time to travel to Connemara, Ireland with often poor weather in Clifden.

Generally speaking, the best visiting conditions can be found in May, June, July and August offering mostly tolerable weather in Clifden. The weather in January, February, March, 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 Connemara.

Weather and climate has detailed information for every country in the world. Are you going to Ireland? Get detailed historical weather averages for many cities in Ireland.

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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