Best Time to Visit San Sebastián for Backpacking | Weather by Month

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Backpacking Potential

88/100

Excellent

Based on optimal climate

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Seasonality

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Best Time

June, July, August

Avoid

January, March, April, October, November, December

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Weather

7°C – 20°C

Avg Temp Range

Precipitation

Generally dry

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Good For

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🎒 Planning a backpacking trip to San Sebastián?

The best time to visit San Sebastián for backpacking is June, July, August, when you’ll get the best balance between weather, crowds, and costs. If you're planning your trip around this period, it can be helpful to explore where to stay and what to do in advance.

→ Explore backpacker-friendly places to stay in San Sebastián

→ Discover things to do in San Sebastián

Climate Heatmap

See at a glance which months offer the best backpacking conditions — based on temperature, rainfall and climate scores.

These months are especially popular among backpackers in San Sebastián due to better weather and lower costs.

→ See where to stay in San Sebastián

Backpacking conditions breakdown

Monthly weather & climate data for San Sebastián

Month	Climate Score	Predictability	Avg Temp	Max Temp	Rain (mm)	Rain Days	Humidity	Season
January	29Poor Cool temperatures. High rain conditions.	Predictability 78Weather conditions vary somewhat by season.	7°	10°	114	15.7	78%	shoulder
February	36Poor Cool temperatures. Some rain conditions.	Predictability 85Weather conditions are fairly consistent throughout the year.	7°	11°	94	13.5	75%	shoulder
March	50Suboptimal Cool temperatures. High rain conditions.	Predictability 78Weather conditions vary somewhat by season.	9°	14°	103	15.3	69%	shoulder
April	58Suboptimal Cool temperatures. High rain conditions.	Predictability 78Weather conditions vary somewhat by season.	11°	15°	114	17.3	68%	shoulder
May	81Excellent Cool temperatures. Some rain conditions.	Predictability 78Weather conditions vary somewhat by season.	14°	19°	100	15.9	68%	shoulder
June	88Excellent Mild temperatures. Some rain conditions.	Predictability 85Weather conditions are fairly consistent throughout the year.	17°	22°	74	12.2	66%	shoulder
July	88Excellent Mild temperatures. Some rain conditions.	Predictability 85Weather conditions are fairly consistent throughout the year.	20°	24°	66	12.7	66%	shoulder
August	87Excellent Mild temperatures. Some rain conditions.	Predictability 85Weather conditions are fairly consistent throughout the year.	20°	25°	76	12.4	66%	shoulder
September	86Excellent Mild temperatures. Some rain conditions.	Predictability 85Weather conditions are fairly consistent throughout the year.	18°	23°	87	12.7	67%	shoulder
October	80Excellent Cool temperatures. High rain conditions.	Predictability 85Weather conditions are fairly consistent throughout the year.	15°	19°	119	14.3	70%	shoulder
November	43Poor Cool temperatures. High rain conditions.	Predictability 78Weather conditions vary somewhat by season.	10°	13°	138	15.9	76%	shoulder
December	33Poor Cool temperatures. High rain conditions.	Predictability 85Weather conditions are fairly consistent throughout the year.	7°	11°	111	14.7	75%	shoulder