43.250°, -5.767° · 367 m a.s.l.
Visible
The Sun clears local terrain by 7.60° at C3.
100%
You'll see full totality. C3 — the end of totality — is visible above the horizon.
Total eclipse · 100% obscuration
See the eclipse from Mieres minute by minute
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Photo: Astur1 · Public domain · Wikimedia Commons
Mieres is a municipality in Asturias, located inland in the Caudal River valley, at an elevation of 367 meters and approximately 20 kilometers south of Oviedo. With a population of around 44,000, it was known in the 20th century as one of Spain's leading coal mining centers. Today, its industrial heritage and mountain landscape coexist, shaping the town's unique character and scenery.
On August 12, 2026, Mieres will lie within the path of totality. At maximum eclipse, occurring at 20:27 local time, the Sun will be 10 degrees above the horizon, with a clearance of 7.7 degrees above the terrain horizon—totality is expected to be unobstructed. Based on geometric conditions, the observation of totality from the city looks promising.
August in Mieres records an average precipitation of 53.4 millimeters according to AEMET data (1991–2020), making it one of Spain's rainiest regions even at the height of summer. The thunderstorm risk in this month is high, a characteristic of Asturias' Atlantic climate. When planning to observe the eclipse, careful attention to the weather forecast up to the day before is essential.
The last total solar eclipse visible from Mieres occurred on August 30, 1905—121 years ago. Totality lasted 3 minutes 49 seconds. Before that, on April 1, 1764, an annular eclipse occurred with 86.9% obscuration. After the eclipses of 2026, 2027, and 2028, the next annular eclipse won't occur until February 27, 2082, and the next total eclipse until November 17, 2180.
At maximum eclipse, 20:27 local time, the Sun will be at an azimuth of 281 degrees—nearly west-northwest—10 degrees above the horizon. At this evening hour, sunlight strikes from a low angle; during totality, a distinctive twilight hue will envelop the surroundings. Looking west-northwest will allow you to easily observe this phenomenon.
Editorial text by eclipses.app · Data: Wikidata, AEMET, NASA and astronomy-engine.
| Phase | UTC | Local time | Sun alt. | Sun az. |
|---|---|---|---|---|
| C1 — Partial begins | 17:31 UTC | 19:31 | +20.4° | 271.5° |
| C2 — Totality begins | 18:27 UTC | 20:27 | +10.3° | 280.7° |
| Maximum | 18:28 UTC | 20:28 | +10.2° | 280.9° |
| C3 — Totality ends | 18:28 UTC | 20:28 | +10.0° | 281.0° |
| C4 — Partial ends | 19:21 UTC | 21:21 | +1.2° | 289.7° |
Look toward WNW (289.7°)
Azimuth at C4
289.7° WNW
Sun altitude at C4
1.15°
Terrain horizon
2.41°
Sun−terrain margin
+7.60°
A solar eclipse is described by four key moments, the contact points between the discs of the Sun and the Moon:
Where the eclipse is only partial, the Moon never fully covers the Sun: only C1 and C4 occur, with no totality in between.
| Peak | Elevation | Distance | Azimuth |
|---|---|---|---|
| Peña Rueda | 2151 m | 24.5 km | 215° SW |
| Estorbín de Valverde | 2115 m | 24.7 km | 157° SSE |
| Cueto los Barriales | 2111.16 m | 24.3 km | 159° SSE |
| Vaso de Rueda | 2096 m | 24.7 km | 215° SW |
| Reboqueras | 2091 m | 24.2 km | 159° SSE |
| Pico el Cuadro | 2089 m | 24.8 km | 161° SSE |
| Pico de Pisones o Camparón | 2042 m | 23.3 km | 161° SSE |
| Pico Tres Concejos | 2014 m | 22.4 km | 164° SSE |
P25 — clearer days
45%
Median cloud cover
100%
P75 — cloudier days
100%
Source: ERA5 (ECMWF), 10-year average at the eclipse hour.
Solar eclipses computed from astronomical ephemerides for the city's coordinates.
Yes — Mieres is inside the totality path and the horizon allows the total phase to be fully visible.
Maximum occurs at 20:28 local time (18:28 UTC) in Mieres.
Look West (azimuth 281°); the Sun will be 10° above the horizon at maximum from Mieres.
Totality lasts 1 min 51 s in Mieres (C2 to C3).
Yes, Mieres is an excellent choice (score 85/100): favorable geometry, clear horizon, and good August climatology.
Yes, you need ISO 12312-2 certified eclipse glasses during every partial phase. Regular sunglasses do NOT protect. Glasses can only be removed during the totality phase (when the Sun is fully covered); never during annular or partial eclipses. Pages flagged "visible" assume a clear horizon, not a viewing recommendation.
For the August 12 eclipse. Recommended stay: Aug 10–14, 2026.
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