Click on a day for an hourly weather forecast
The weather in Jaen in January is very cold with temperatures between 3°C and 12°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Jaen 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.
Please note that Jaen can expect a few days of snow in January.
Our weather forecast can give you a great sense of what weather to expect in Jaen in January 2026.
If you’re planning to visit Jaen in the near future, we highly recommend that you review the 14 day weather forecast for Jaen before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 12° / 3° | 5 | 25 | 1 | 69 mm | Ok | Jaen in January |
| February | 14° / 3° | 5 | 22 | 1 | 73 mm | Good | Jaen in February |
| March | 16° / 5° | 6 | 25 | 0 | 89 mm | Good | Jaen in March |
| April | 20° / 8° | 5 | 25 | 0 | 72 mm | Good | Jaen in April |
| May | 25° / 13° | 3 | 28 | 0 | 38 mm | Perfect | Jaen in May |
| June | 30° / 17° | 1 | 29 | 0 | 17 mm | Good | Jaen in June |
| July | 35° / 20° | 0 | 31 | 0 | 3 mm | Ok | Jaen in July |
| August | 35° / 21° | 1 | 30 | 0 | 11 mm | Ok | Jaen in August |
| September | 29° / 16° | 2 | 28 | 0 | 29 mm | Good | Jaen in September |
| October | 24° / 12° | 2 | 29 | 0 | 39 mm | Perfect | Jaen in October |
| November | 16° / 7° | 4 | 26 | 0 | 70 mm | Good | Jaen in November |
| December | 14° / 4° | 4 | 27 | 0 | 71 mm | Good | Jaen in December |