Carlow County Weather in December

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

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Carlow Tullow

Planning a trip to Carlow County, Ireland this December? Here's what you need to know about the weather:

What to Expect in Carlow County in December

Carlow County, Ireland is a region in Ireland. December in Carlow County generally has cold temperatures, with moderate 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 3°C (37°F) in Carlow.

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

Precipitation

December is a moderate rainy month with an average rainfall of around 84 mm (3.3 in) in Carlow.

Explore Carlow County by month

Pick a month to see the average temperature, rainfall and sunshine in Carlow County — and find the best time to visit. (based on Carlow)

January9°C (48°F) February9°C (48°F) March11°C (52°F) April13°C (55°F) May16°C (61°F) June19°C (66°F) This monthJuly20°C (68°F) August20°C (68°F) September18°C (64°F) October14°C (57°F) November11°C (52°F) December9°C (48°F)
Best Time to Visit Carlow County →

Best Places to Visit in Carlow County in December

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

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 Carlow County

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

Temperature range in Carlow County (December)

Precipitation variation in Carlow County (December)

Carlow

In December Carlow generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and moderate 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
4°C (39°F)
3°C (37°F)
3°C (37°F)
Monthly rainfall
86 mm (3.4 in)
84 mm (3.3 in)
77 mm (3 in)
Monthly rainy days
17 days
18 days
19 days
Weather conditions
unpleasant
poor
poor
Climate in Carlow →

Tullow

In December Tullow generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and moderate 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
4°C (39°F)
3°C (37°F)
2°C (36°F)
Monthly sun hours
75 hours
54 hours
60 hours
Monthly rainfall
88 mm (3.5 in)
85 mm (3.3 in)
79 mm (3.1 in)
Monthly rainy days
17 days
18 days
19 days
Weather conditions
unpleasant
poor
poor
Climate in Tullow →

Is your destination not in the list? Have a look at all destinations in Carlow 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 Carlow County in December.

City Weather Day temp Night temp Rainfall
Carlow 9°C (48°F) 3°C (37°F) 84 mm (3.3 in)
Tullow 9°C (48°F) 3°C (37°F) 85 mm (3.3 in)

Carlow County weather in December: frequently asked questions

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

Carlow County, Ireland typically experiences poor weather in December, part of the winter season. Daytime highs in Carlow average around 9°C (48°F), and temperatures drop to about 3°C (37°F) at night.

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

Average temperatures in Carlow County, Ireland during December range from a nighttime low near 3°C (37°F) to a daytime high around 9°C (48°F) in Carlow.

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

December is on the drier side in Carlow County, Ireland. Carlow averages only about 84 mm (3.3 in), with most days staying dry.

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

Given the typically poor weather conditions in Carlow, December may not be the ideal time to visit Carlow County, Ireland.

Generally speaking, July and August provide perfect weather in Carlow. On the other hand, the months of January, February and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Carlow 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.

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