Click on a day for an hourly weather forecast
The temperatures in Costa Rei in January are quite cold with temperatures between 8°C and 14°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Costa Rei during the month of January. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Costa Rei in January 2026.
If you’re planning to visit Costa Rei in the near future, we highly recommend that you review the 14 day weather forecast for Costa Rei before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 14° / 8° | 4 | 27 | 0 | 57 mm | Good | Costa Rei in January |
| February | 14° / 7° | 2 | 26 | 0 | 48 mm | Good | Costa Rei in February |
| March | 16° / 8° | 3 | 28 | 0 | 56 mm | Good | Costa Rei in March |
| April | 18° / 11° | 4 | 26 | 0 | 67 mm | Good | Costa Rei in April |
| May | 22° / 14° | 3 | 28 | 0 | 59 mm | Good | Costa Rei in May |
| June | 27° / 19° | 1 | 29 | 0 | 21 mm | Perfect | Costa Rei in June |
| July | 30° / 22° | 1 | 30 | 0 | 10 mm | Good | Costa Rei in July |
| August | 31° / 23° | 1 | 30 | 0 | 25 mm | Good | Costa Rei in August |
| September | 27° / 20° | 3 | 27 | 0 | 57 mm | Perfect | Costa Rei in September |
| October | 23° / 17° | 3 | 28 | 0 | 66 mm | Perfect | Costa Rei in October |
| November | 18° / 13° | 4 | 26 | 0 | 106 mm | Good | Costa Rei in November |
| December | 15° / 10° | 2 | 29 | 0 | 50 mm | Good | Costa Rei in December |