Weather in Shannon in December 2024
- December is usually the wettest month of the year in Shannon;
Average weather
Average temperature in Shannon in December
Going from a maximum of +55°F during the day to a minimum of +27°F during the night, the temperature in December averages around +50°F.
The average maximum temperature goes up 25% by the end of the month, compared with the beginning of the month, from +39°F to +46°F.
Is Shannon warm or cold in December?
Shannon is typically chill in December.
Maximum temperatures go down compared to the previous month from +50°F to +48°F. The minimum temperature also goes down from +41°F to +39°F.
Pack a jumper and a jacket as there will be cooler temperatures.
December is one of the coolest months in Shannon, here is the comparison with other months:
Climate in Shannon in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +50°F | +48°F | +46°F | ||||
| Min. temperature | ||||||
| +23°F | +18°F | +18°F | ||||
| Max. temperature | ||||||
| +63°F | +59°F | +57°F | ||||
| Rainfall | ||||||
| 95 mm | 102 mm | 93 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 88% | 89% | 88% | ||||
| Air pressure | ||||||
| 1010 HPa | 1011 HPa | 1012 HPa | ||||
| Sunny days | ||||||
| 1 | 1 | 1 | ||||
| Cloudy days | ||||||
| 9 | 11 | 10 | ||||
| Rainy days | ||||||
| 20 | 19 | 18 | ||||
| Snowy days | ||||||
| 0 | 1 | 2 | ||||
December weather is still as ok as in November. It’s getting colder in December. From +50°F in the day, the average maximum temperature lowers to +48°F. Prepare for more rain. Average rainfall goes from 95 mm to 102 mm. Humidity rises from 88% to 89%. The average wind speed doesn’t change much during December, staying around 4 m/s. The amount of sunny days stay about the same, averaging 1 sunny days during the month.
January brings much the same weather, it remains ok.
Wind
The average wind speed is 5 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Shannon is gradually increasing during December, going from 1 m/s to 8 m/s over the course of the month.
Rain
Snow
Here’s how December is compared with other months in the amount of snow, total mm:
How was the weather last December in Shannon?
Climate Change Over the Years
The climate in Shannon in December has not changed that much over the last 43 years.
The average temperature was the lowest in 1979 (+53°F) and the highest in 2023 (+57°F). The driest year was 2001 with only 746 mm of rainfall, and the wettest year was 2009 with 1263 mm.
FAQ
Is December a good time to visit Shannon?
Can you sunbathe in Shannon in December?
Is Shannon rainy in December?
Is it sunny in Shannon in December?
Other cities in Ireland
Monthly weather in Shannon
Source of the data
For this page, we’ve looked at the typical weather in Shannon, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.