Rathgar Weather in December

December in Rathgar sees daytime temperatures around 9°C (48°F) and lows of 4°C (39°F) at night. With around 80 mm (3.1 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Rathgar in December

Typically, you can expect about 17 days of rain this month, with 80 mm (3.1 in) on average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Rathgar in December

In December, Rathgar sees low temperatures, with highs of 9°C (48°F). Nights drop to around 4°C (39°F). The month of December belongs to the winter season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights fall to 4°C (39°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Rathgar in December

This month is characterized by fewer sunny days, with about 51 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

Wind Speed in Rathgar in December

Average wind conditions reach 6 m/s (12 knots) in December. This creates notably windy weather that is clearly felt and can influence daily activities. Keep in mind this is an average. Some days are less intense, while others can be quite gusty.

Average water temperature in December

The water temperature is only 11°C (52°F) this month — cold enough that most people will want to stay out. Hardy swimmers may manage a quick dip, but it won't be comfortable.

December in Rathgar has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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

Rathgar Temperature in December

Min Temperature 4°C (39°F)  

Max Temperature 9°C (48°F)  

Water Temperature 11°C (52°F) *  

Chance of Rain 58%  

Precipitation 80 mm (3.1 in)  

Rainy days 17 days  

Humidity 83% *  

Windspeed 6 m/s (12 knots) *  

Sunshine 51 hours *  

Percentage Sunshine 23% *  

* Data from: Dublin, Ireland (13 KM, 8 Miles).

What to Wear in Rathgar in December

We recommend to layer up for chilly conditions in Rathgar 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. Rain is likely on several days, so bring a good rain jacket. Expect water temperatures of around 11°C (52°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Rathgar 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

4/10

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 Rathgar's climate page.

More climate data for Rathgar

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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