Click on a day for an hourly weather forecast
The temperatures in Porto in December are quite cold with temperatures between 9°C and 14°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in Porto. 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 Porto in December 2024.
If you’re planning to visit Porto in the near future, we highly recommend that you review the 14 day weather forecast for Porto before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 13° / 7° | 9 | 22 | 0 | 217 mm | Bad | Porto in January |
| February | 14° / 8° | 8 | 21 | 0 | 198 mm | Ok | Porto in February |
| March | 17° / 9° | 7 | 24 | 0 | 161 mm | Ok | Porto in March |
| April | 18° / 10° | 7 | 23 | 0 | 133 mm | Ok | Porto in April |
| May | 22° / 13° | 4 | 27 | 0 | 86 mm | Good | Porto in May |
| June | 23° / 14° | 4 | 26 | 0 | 57 mm | Perfect | Porto in June |
| July | 26° / 16° | 1 | 30 | 0 | 17 mm | Perfect | Porto in July |
| August | 27° / 17° | 2 | 29 | 0 | 19 mm | Perfect | Porto in August |
| September | 26° / 16° | 3 | 27 | 0 | 65 mm | Perfect | Porto in September |
| October | 22° / 14° | 7 | 24 | 0 | 207 mm | Ok | Porto in October |
| November | 16° / 11° | 9 | 21 | 0 | 195 mm | Ok | Porto in November |
| December | 14° / 9° | 8 | 23 | 0 | 228 mm | Ok | Porto in December |