Month guide · Jaca, Spain
Jaca in January: weather and what to expect
January is the coldest month of the year in Jaca. In January, Jaca averages highs of 7°C and lows of -1°C, with about 14 rainy days and 97 mm of rain. Highs are 1°C cooler than in December and 1°C cooler than in February. Crowds in Aragon are medium.
Is January a good time to visit?
Good for
No verdicts for Jaca in January yet. They only use climate values that are precise enough to judge with.
Not ideal for
- Reliable dry weatherAbout 14 rainy days in the month
- Warm-weather holidaysHighs of only 7°C
Daily highs through January
Town-level · ERA5-Land 1991-2020Highs fall about 1°C over the month. A day above 15°C happens in roughly 1 January in 4.
January in detail
Town-level · ERA5-LandCrowds, holidays and daylight
Public holidays in January 2027
- 1 Jan New Year's Day
- 6 Jan Epiphany
Local (municipal) holidays are not included.
Warmer in January
Where is warm in January →| Place | High | Rain days | From Jaca |
|---|---|---|---|
| Dolores, Valencian Community | 16°C | 5 | 493 km |
| Cox, Valencian Community | 16°C | 5 | 493 km |
| Albatera, Valencian Community | 16°C | 5 | 489 km |
| Granja de Rocamora, Valencian Community | 16°C | 5 | 492 km |
| Catral, Valencian Community | 16°C | 5 | 491 km |
The nearest towns with a warmer January. Distances are in a straight line.
How January is changing
Town-level · ERA5-LandJanuary highs are 0.8°C warmer than in 1991-2000, and January rainfall is up about 55% (2016-2025 against 1991-2000).
Questions about Jaca in January
Is January a good time to visit Jaca?
It is less suited to reliable dry weather (about 14 rainy days in the month); warm-weather holidays (highs of only 7°C).
How warm is Jaca in January?
Average highs are 7°C and lows -1°C. December averages 8°C and February 8°C.
Does it rain much in Jaca in January?
About 14 days have at least 1 mm of rain, with 97 mm in total over the month.
Is Jaca busy in January?
In January 2025, nights booked through online platforms in Aragon were about 40% of the busiest month, which we count as medium. The figure is for the whole region and leaves out hotels.
How long are the days in Jaca in January?
About 9 h 23 min from sunrise to sunset in the middle of the month.
Sources
Climate: ERA5-Land, Copernicus Climate Change Service (C3S) Climate Data Store, contains modified Copernicus information (CC BY 4.0). Crowds: Eurostat, nights spent in short-stay accommodation booked through online platforms (tour_ce_omn12) (CC BY 4.0). Place names and populations: GeoNames (CC BY 4.0). Climate averages cover 1991-2020. Daylight: calculated from the town's coordinates. Full methodology