Click on a day for an hourly weather forecast
The weather in Shannon in December is very cold with temperatures between 4°C and 8°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in Shannon. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Please note that Shannon can expect a few days of snow in December.
Our weather forecast can give you a great sense of what weather to expect in Shannon in December 2024.
If you’re planning to visit Shannon in the near future, we highly recommend that you review the 14 day weather forecast for Shannon before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 3° | 10 | 20 | 1 | 100 mm | Bad | Shannon in January |
| February | 9° / 3° | 9 | 17 | 2 | 94 mm | Awful | Shannon in February |
| March | 10° / 3° | 7 | 22 | 1 | 84 mm | Bad | Shannon in March |
| April | 12° / 4° | 6 | 24 | 0 | 76 mm | Ok | Shannon in April |
| May | 15° / 7° | 7 | 24 | 0 | 87 mm | Ok | Shannon in May |
| June | 17° / 9° | 6 | 24 | 0 | 99 mm | Good | Shannon in June |
| July | 19° / 11° | 7 | 24 | 0 | 97 mm | Ok | Shannon in July |
| August | 18° / 11° | 6 | 25 | 0 | 98 mm | Good | Shannon in August |
| September | 17° / 10° | 6 | 24 | 0 | 88 mm | Good | Shannon in September |
| October | 14° / 8° | 7 | 24 | 0 | 89 mm | Ok | Shannon in October |
| November | 10° / 5° | 9 | 21 | 0 | 117 mm | Bad | Shannon in November |
| December | 8° / 4° | 10 | 20 | 1 | 122 mm | Bad | Shannon in December |