Athlone Weather in December
December in Athlone averages 9°C (48°F) during the day and 4°C (39°F) at night. Quite a bit of rainfall is typical this month, with around 93 mm (3.7 in) on average. An umbrella is a good idea.
Rainfall in Athlone in December
Climate statistics over the past 30 years suggest around 20 days of rain, with 93 mm (3.7 in) average for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in Athlone in December
Daytime highs in Athlone in December reach 9°C (48°F), with nights around 4°C (39°F). During December, the winter season is in full swing. It stays cool throughout the day, so warm layers are a good idea from morning to evening. With lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Athlone. Our weather planner can help you explore destinations with more pleasant weather conditions.
Athlone Temperature in December
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Chance of Rain
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Athlone Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Athlone - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Athlone typically stay consistent throughout December, with daily highs averaging around 9°C (48°F). Nights are cold, with lows around 3°C (37°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather records for Athlone in December
Browse day-by-day weather records for Athlone spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Athlone historical weather extremes in December
Based on weather observations in Athlone between 1976 and 2025, these are the recorded extremes during December.
- The warmest day in December was on December 9, 2025, with a maximum of 15°C (59°F).
- The coldest night in December in Athlone was on December 25, 2010, with a minimum of -13°C (9°F).
- The heaviest December precipitation occurred on December 5, 2015, when 43 mm (1.7 in) of precipitation fell.
Best Places in Ireland in December
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in December →
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).
What to Wear in Athlone in December
We recommend to layer up for chilly conditions in Athlone in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.
What To Do in Athlone in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling4/10 -
Walking4/10 -
Barbeque1/10 -
Camping4/10 -
Outdoor sports4/10
Athlone 3-Day Forecast
See the full Athlone climate overview or explore weather in Ireland.
Popular in December
Where to go in December - average daytime high across popular destinations.
Doolin
11°C (52°F) Cork11°C (52°F) Westport9°C (48°F) Kilkenny
9°C (48°F) Kenmare10°C (50°F) Killarney10°C (50°F) Galway10°C (50°F) Dublin10°C (50°F) 
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