Weather Analysis

Weather Guide for the 2026 Eclipse

August in northern Spain brings a split personality: sunny inland plateaus versus cloudy Atlantic coasts. Your city choice could make or break your eclipse experience.

August Climate Overview

The 2026 total solar eclipse crosses northern Spain on August 12, during the height of summer. However, the eclipse path spans dramatically different climate zones, from the humid Atlantic coast of Galicia to the sun-baked interior of Aragon and the Mediterranean Balearic Islands.

Coastal cities like A Coruna and Oviedo sit in Spain's "Green Belt," where maritime air from the Atlantic frequently brings clouds and mist, even in August. Cloud cover here regularly exceeds 50%.

Inland cities like Zaragoza and Burgos benefit from the rain-shadow effect of the Cantabrian Mountains. The meseta (central plateau) and the Ebro valley enjoy significantly drier conditions, with cloud cover dropping to 15-32%.

Palma de Mallorca offers the best of both worlds: Mediterranean sunshine with just 20% cloud cover and the longest totality duration on the path.

Late-Afternoon Eclipse

The 2026 eclipse occurs around 20:30 CEST (8:30 PM), when the Sun is low on the horizon. At this time of day, coastal fog and afternoon cloud buildup can be more pronounced. Inland locations tend to maintain clearer skies in the evening hours.

City-by-City Weather Comparison

Sorted by cloud cover (best to worst). Data based on August historical averages.

City	Region	Cloud Cover	Avg Temp	Precipitation	Totality	Rating
Lleida	Cataluña	18%	30°C	15 mm	1m24s	Excellent
Palma de Mallorca	Balearic Islands	20%	28°C	14 mm	2m10s	Excellent
Zaragoza	Aragón	22%	26°C	16 mm	1m42s	Good
Pamplona	Navarra	28%	26°C	25 mm	1m30s	Good
León	Castilla y León	30%	21°C	22 mm	1m48s	Good
Burgos	Castilla y León	32%	21°C	24 mm	1m30s	Fair
Vitoria-Gasteiz	Basque Country	32%	24°C	30 mm	1m36s	Fair
Bilbao	Basque Country	45%	22°C	42 mm	1m24s	Poor
Santander	Cantabria	50%	21°C	45 mm	1m12s	Poor
A Coruña	Galicia	52%	19°C	34 mm	1m18s	Poor
Oviedo	Asturias	55%	19°C	42 mm	1m36s	Poor

Best Weather Strategy

Top Pick: Palma de Mallorca

With just 20% cloud cover and the longest totality on the path (2m 10s), Palma is the premier weather choice. The Mediterranean climate delivers reliable sunshine even in the evening hours. The main challenge: it is an island, so you cannot easily drive to a backup location.

Best Mainland Option: Zaragoza

Zaragoza sits in the dry Ebro valley with only 22% cloud cover. As a major city with good road connections, it offers excellent backup mobility. You can drive to clear skies in multiple directions if clouds threaten. Totality lasts a respectable 1m 42s.

The Mobility Plan

For the best odds, base yourself in Zaragoza or Leon with a rental car. The day before the eclipse, check weather forecasts and be prepared to drive 1-2 hours toward the clearest skies. The eclipse path is wide enough (~200 km) that you have significant north-south flexibility.

Avoid the Atlantic Coast Without a Backup

A Coruna (52% cloud cover) and Oviedo (55%) are beautiful cities, but the odds of clouds during the eclipse are essentially a coin flip. If you choose these locations, have a car ready and a backup plan to drive south toward the meseta.

What Cloud Cover Percentages Mean

0-20%: Excellent

Clear or mostly clear skies. You will almost certainly see the eclipse. Minimal risk of obstruction.

20-35%: Good

Partly cloudy. Good odds of clear skies, but some patches of cloud are possible. Totality may peek through gaps.

35-50%: Fair

Roughly even odds. You might see the eclipse clearly, or clouds could obscure it. A mobility plan is strongly recommended.

50%+: Poor

More likely to be cloudy than clear. You will experience the darkness of totality, but may not see the corona. Have a backup location.

Cloud Cover Is an Average

These percentages represent historical monthly averages. On any given day, the sky is either mostly clear or mostly cloudy — so a 30% average means roughly 7 out of 10 days are clear. Check forecasts 3-5 days before the eclipse for specific predictions.

Eclipse-Day Weather Tips

Monitor Forecasts Starting 5 Days Out

Reliable forecasts are available about 5 days before the eclipse. Check services like AEMET (Spain's meteorological agency), meteoblue, and clear-sky charts for your location.

Have a Rental Car Ready

Book a rental car well in advance. On eclipse day, you may need to drive 1-2 hours to escape a cloud bank. The eclipse path is wide, giving you flexibility to move north or south.

Check Satellite Imagery on Eclipse Morning

Real-time satellite imagery from EUMETSAT shows exactly where clouds are forming. Compare visible imagery with your planned location and adjust if needed.

Leave Early — Expect Traffic

If you need to relocate, leave by mid-morning at the latest. Eclipse traffic can create gridlock on highways as thousands of people make the same decisions. The eclipse is at 20:30 CEST, so you have time.

Do Not Give Up

Even thin clouds can part at the last moment, and the Sun can shine through surprisingly thin cloud layers. Stay hopeful — the corona has been seen through light overcast on many occasions.

Sun Altitude Matters

At 20:30 CEST in mid-August, the Sun will be only about 15-20 degrees above the western horizon. Choose a viewing location with an unobstructed western view. Low terrain, rooftops, or elevated positions facing west are ideal.

Explore Eclipse Cities

Compare all cities in the 2026 eclipse path with detailed weather, transport, and accommodation guides.

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