Shannon Weather in December

Shannon in December sees low daytime temperatures of 10°C (50°F) and nighttime lows of 4°C (39°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.

Rainfall in Shannon in December

With this being the rainiest month, having an umbrella is essential to avoid unexpected rain. Based on our climate data of the past 30 years, about 21 days of rain are anticipated, with 111 mm (4.4 in) on average. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Shannon in December

December in Shannon sees highs of 10°C (50°F) and lows of 4°C (39°F) overnight. During December, you'll experience the winter season. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. 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.

Sunshine in Shannon in December

With limited sunshine this month, there are about 45 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Shannon. Our weather planner can help you explore destinations with more pleasant weather conditions.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Ireland, check out our Shannon's climate page.

Shannon Temperature in December

Min Temperature 4°C (39°F)  

Max Temperature 10°C (50°F)  

Chance of Rain 70%  

Precipitation 111 mm (4.4 in)  

Rainy days 21 days  

Humidity 83% *  

Sunshine 45 hours *  

Percentage Sunshine *  

* Data from: Limerick, Ireland (18 KM, 11 Miles).

What to Wear in Shannon in December

We recommend to layer up for chilly conditions in Shannon 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. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Shannon in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Ireland, check out our Shannon's climate page.

More climate data for Shannon

Temperature Rainfall Sunshine Humidity

See the full Shannon climate overview or explore weather in Ireland.