Clifden

Galway County Weather in December

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

Planning a getaway to Galway County, Ireland this December and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Galway County in December

Galway County, Ireland is a region in Ireland. December in Galway County generally has cold temperatures, with precipitation levels ranging from moderate to heavy. December is a winter month.

Temperatures

You can expect cold maximum daytime temperatures of around 10°C (50°F) and nighttime temperatures around 4°C (39°F) in Galway.

For specific regional insights in Galway County, Ireland, refer to the map provided below.

Precipitation

In December, precipitation varies across different areas. From moderate rainfall in Ballinasloe with an average of 96 mm (3.8 in) to heavy rainfall in Carna with 183 mm (7.2 in). It experiences its highest rainfall in this month of the year. Come prepared by bringing an umbrella.

Average sunshine

Sunshine is more restricted in many locations in December. Galway sees roughly 35 hours of sunlight. Our weather planner can help you find destinations with more sunshine if needed.

Explore Galway County by month

Best Places to Visit in Galway County in December

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

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 Galway County

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

Temperature range in Galway County (December)

Precipitation variation in Galway County (December)

Galway

In December Galway 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)
10°C (50°F)
Min temperature
5°C (41°F)
4°C (39°F)
4°C (39°F)
Monthly sun hours
54 hours
35 hours
45 hours
Monthly rainfall
110 mm (4.3 in)
113 mm (4.4 in)
108 mm (4.3 in)
Monthly rainy days
21 days
22 days
22 days
Weather conditions

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

Cong

In December Cong generally has low temperatures with maximum daytime temperatures around 9°C (48°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
11°C (52°F)
9°C (48°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
118 mm (4.6 in)
119 mm (4.7 in)
115 mm (4.5 in)
Monthly rainy days
23 days
23 days
23 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

Renvyle

In December Renvyle 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
7°C (45°F)
6°C (43°F)
5°C (41°F)
Monthly sun hours
54 hours
35 hours
45 hours
Monthly rainfall
166 mm (6.5 in)
166 mm (6.5 in)
155 mm (6.1 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 Galway County, 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 Galway County in December.

City Weather Day temp Night temp Rainfall
Galway 10°C (50°F) 4°C (39°F) 113 mm (4.4 in)
Clifden 10°C (50°F) 6°C (43°F) 158 mm (6.2 in)
Cong 9°C (48°F) 4°C (39°F) 119 mm (4.7 in)
Oughterard 10°C (50°F) 4°C (39°F) 123 mm (4.8 in)
Renvyle 10°C (50°F) 6°C (43°F) 166 mm (6.5 in)
Roundstone 10°C (50°F) 6°C (43°F) 173 mm (6.8 in)

Galway County weather in December: frequently asked questions

What is the weather like in Galway County, Ireland in December?

Galway County, Ireland typically experiences poor weather in December, part of the winter season. Daytime highs in Galway average around 10°C (50°F), and temperatures drop to about 4°C (39°F) at night.

What is the average temperature in Galway County, Ireland in December?

Average temperatures in Galway County, Ireland during December range from a nighttime low near 4°C (39°F) to a daytime high around 10°C (50°F) in Galway.

Does Galway County, Ireland get a lot of rain in December?

Galway typically receives notable rainfall in December, about 113 mm (4.4 in) on average across Galway County, Ireland.

Is December a Good Time to Visit Galway County, Ireland?

In our opinion, December may not be the ideal time to visit Galway County, Ireland due to the typically poor weather in Galway.

Generally speaking, July provides perfect weather in Galway. On the other hand, the months of January, February, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Galway County.

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.

Bucket list

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