Click on a day for an hourly weather forecast
The temperatures in Dublin in October are usually low and can range between 10°C and 13°C.
You can expect rain for roughly half of the month of October in Dublin. 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.
Our weather forecast can give you a great sense of what weather to expect in Dublin in October 2025.
If you’re planning to visit Dublin in the near future, we highly recommend that you review the 14 day weather forecast for Dublin before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 4° | 10 | 18 | 2 | 103 mm | Awful | Dublin in January |
| February | 8° / 4° | 8 | 18 | 2 | 92 mm | Awful | Dublin in February |
| March | 9° / 5° | 7 | 23 | 1 | 78 mm | Bad | Dublin in March |
| April | 10° / 6° | 7 | 22 | 1 | 72 mm | Bad | Dublin in April |
| May | 13° / 8° | 6 | 25 | 0 | 74 mm | Ok | Dublin in May |
| June | 15° / 11° | 6 | 24 | 0 | 98 mm | Good | Dublin in June |
| July | 17° / 12° | 7 | 24 | 0 | 97 mm | Ok | Dublin in July |
| August | 17° / 12° | 7 | 24 | 0 | 106 mm | Ok | Dublin in August |
| September | 16° / 11° | 7 | 23 | 0 | 89 mm | Ok | Dublin in September |
| October | 13° / 10° | 8 | 23 | 0 | 123 mm | Bad | Dublin in October |
| November | 10° / 7° | 9 | 21 | 0 | 124 mm | Bad | Dublin in November |
| December | 8° / 5° | 9 | 20 | 2 | 114 mm | Awful | Dublin in December |