Hiking the Iberian Mountains

When to hike the Iberian Mountains

From April to June and from September to November, all 8 destinations clear our recommendation criteria. The area is quietest in July and August and from December to March, with 7 of 8.

Averaged across the destinations, July is the warmest month at 22 degrees in the hiking window and January the coldest at 5.

How far apart the destinations are

The selected grid cells run from 736 metres at Montseny to 2,052 metres at Sierra Nevada (Spain), with a median of 1,035 metres. Both clear the criteria in 12 months (all year).

The longest season belongs to 6 destinations, including Sierra Nevada (Spain) and Sierra de Guadarrama, at 12 months each; the shortest to Picos de Europa, at 8 months (from April to November).

What closes the missing months

Where a destination loses months, a critical climate component falls below the threshold at which we stop recommending a month. The main reason is heat for 1 of the 8 destinations and snow cover for 1. 6 are recommendable in all twelve months.

In January, the quietest month, 1 of 8 destinations are closed, all of them by snow cover.

Conditions in September

September is when the open destinations score highest on average. Hiking-window temperature then runs from 14 degrees at Picos de Europa to 21 at Sierra de Cazorla, and rain falls on 19 to 53 percent of days depending on the destination.

What these figures cover

Each destination is described by one selected ERA5-Land grid cell, averaged over 1991 to 2025. The figures above summarise those 8 cells. They are not a map of the whole area or of any route, and they are not a forecast.