Normal weather for Ireland in December
It's cold in December in Ireland with an average temperature of 9°C. Temperatures this month range from a low of 7°C to a high of 12°C. At night, you can expect temperatures between 3°C and 6°C.
In December, there is an average of 75 mm of precipitation, spread over 10 days. The wind speed is around 5 Bft, mostly coming from the Southwest.
Ireland in December |
UK | ||
|---|---|---|---|
 Average Temperature |
9°C | 9°C | |
 High Temp |
12°C | 11°C | |
| Low Temp |
7°C | 8°C | |
 Total Precipitation |
75 mm | 67 mm | |
| Rainy Days |
10 days | 10 days | |
Start of December
The month of December starts in Ireland with cold temperatures, averaging around 9°C during the day and nights close to 4°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers. During the day, wear a thick coat, jumper, and long trousers. For the evening and morning, we recommend a thick winter coat, jumper, long trousers, hat, and gloves.
Mid-December
By mid-December, the average daytime temperature rises to around 10°C, with nights close to 5°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers. During the day, opt for a warm coat, jumper or cardigan, and long trousers. For the evening and morning, we recommend a thick coat, jumper, and long trousers.
End of December
By the end of December, the average daytime temperature in Ireland will be around 10°C, with nights close to 5°C. A shower might show up, but overall the weather will be dry and sunny.
As it gets cooler in the evening, it’s best to wear layers. During the day, opt for a warm coat, jumper or cardigan, and long trousers. For the evening and morning, we recommend a thick coat, jumper, and long trousers.
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UV index
The UV index is a maximum of 1 this month. That's a low value on the intensity scale of 1 to 11. The risk of sunburn is minimal at this time.
Temperature records for Ireland in December
With 15°C, Ireland hit the highest temperature in the last 10 years in December 2015. The lowest daytime temperature in this month was -2°C in 2022. The extreme night temperatures ranged from a low of -5°C to a high of 13°C.
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Daily Temperature in December in Ireland
This chart shows the average daily temperatures, both day and night, for each day in December in Ireland, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in December in Ireland
The chart below shows the average daily precipitation in December for Ireland, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for December, you can expect around 10 days of rain in Ireland.
Daily UV Index in December in Ireland
This chart shows the average daily UV index in December in Ireland, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Ireland Over the Years
This chart shows the average temperature in December in Ireland, measured in degrees Celsius, over the past years.
Total Precipitation in December in Ireland Over the Years
This chart shows the average precipitation in December in Ireland, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in December for Ireland
Click on a specific day in December for detailed info on the typical weather on that day in Ireland. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Ireland
The weather in December in Ireland is rated 2 out of 5 stars by 1 visitor. Have you been to Ireland? Share your weather experience to help other visitors.
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There is rain, wind and cold, rarely sunshine. The temperature hovers around 7 degrees. This is not really a place for sun or winter sports. Bring waterproof clothes.— This text is automatically translated to English
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Average Weather in Ireland by Month
Click on a month below to see detailed weather info for Ireland. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
