Shannon in december: average Weather, Temperature and Climate
Weather in Shannon in december 2026
The weather in Shannon in the month of december comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
bad weather 25.4cm
Weather at 6am
43°F
Cloudy
31% of time
22%
15%
14%
Weather at 12pm
47°F
Cloudy
33% of time
27%
20%
13%
Weather at 6pm
45°F
Cloudy
31% of time
22%
16%
16%
Weather at 3am
43°F
28%
19%
18%
14%
Evolution of daily average temperature and precipitation in Shannon in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Shannon in december.
The climate of Shannon in december is bad
The climate in december in Shannon is wet (with 4.8in of rainfall over 8 days). It should be noted an improvement from the previous month since in november it receives an average of 4.6in of rainfall over 7 days.
The climate is quite cold around this city the month of december. Do not forget to take with you warm clothes! Temperatures are up to 49°F. The seasonal minimum is 43°F. Thus, the mean temperature average in december in Shannon is 45°F. These temperatures are far removed from those records observed in Shannon in the month of december with a maximum record of 58°F in 2015 and a minimum record of 13°F in 2010. You can expect to have about 3 days with temperatures below 32°F, or 10% of the month.
On average, in Shannon, the days of december last 07:39. Sunrise is at 08:41 and sets at 16:20.
Seasonal average climate and temperature of Shannon in december
Check below seasonal norms These statistics are set from the weather statements earlier years of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 45°F | ||||
| Highest temperature | 49°F | ||||
| Lowest temperature | 43°F | ||||
| Highest record temperature | 58°F (2015) | ||||
| Lowest record temperature | 13°F (2010) | ||||
| Number of days at -32°F | 3 day(s) (10%) | ||||
| Sea temperature | |||||
| Average sea temperature | 53°F | ||||
| Lowest sea temperature | 51°F | ||||
| Highest sea temperature | 54°F | ||||
| Wind | |||||
| Wind speed | 23km/h | ||||
| Wind temperature | 36°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.8in | ||||
| Number of days with rainfall | 8 day(s) (25%) | ||||
| Record daily rainfall | 2in (2017) | ||||
| Snowfall | 25.4cm | ||||
| Other climate data | |||||
| Humidity | 92% | ||||
| Visibility | 8.47km | ||||
| Cloud cover | 62% | ||||
| UV index | 3 | ||||
| Daily sunshine hours | 6 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 08:41 | ||||
| Time of sunset | 16:20 | ||||
| Length of day | 07:39 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | bad | ||||
How was the weather last december?
Here is the day by day recorded weather in Shannon in december 2025:
45°F to 54°F
41°F to 45°F
41°F to 47°F
38°F to 43°F
41°F to 52°F
43°F to 50°F
47°F to 54°F
45°F to 50°F
50°F to 59°F
49°F to 50°F
45°F to 52°F
38°F to 45°F
43°F to 54°F
54°F to 56°F
41°F to 47°F
36°F to 43°F
49°F to 52°F
41°F to 49°F
43°F to 47°F
43°F to 49°F
36°F to 43°F
43°F to 45°F
41°F to 47°F
40°F to 47°F
32°F to 41°F
32°F to 41°F
32°F to 41°F
40°F to 43°F
32°F to 40°F
40°F to 43°F
32°F to 40°F
Map: other cities in Ireland in december
Cities near Shannon:
| Ennis in december | bad weather |
| Limerick in december | very bad weather |
| Newcastle West in december | bad weather |
| Burren National Park in december | bad weather |
| Cliffs of Moher in december | bad weather |
| Listowel in december | bad weather |
| Kilkee in december | bad weather |
| Lisvarrinane in december | very bad weather |
| Galway in december | bad weather |
| Mallow in december | bad weather |
| Aran Islands in december | bad weather |
| Cashel in december | very bad weather |
Click over cities on the map for information about the weather in december.
Shannon
perfect weather
good
tolerable
bad
very bad
Weather data for Shannon in december:
Weather data for Shannon for december are derived from an average of the weather forecast since 2009 in Shannon. There is a margin of error and these forecasts are to be considered as general information only. The weather in Shannon can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Shannon.