Seville in May is pre-peak heat — 28°C / 82°F afternoons, 15°C / 59°F mornings, 4 rain days. Feria de Abril rolls into early-May; pre-July 36°C / 97°F extreme.
Seville in May runs Andalucía pre-peak heat shoulder. AEMET (Agencia Estatal de Meteorología) Seville Airport data put afternoon highs at 28°C / 82°F and overnight lows at 15°C / 59°F with 4 rain days; UV index 8-9, humidity 60%. The 13°C / 23°F daily swing demands a cardigan layer for the 15°C / 59°F mornings. Feria de Abril (the heritage April Fair, two weeks after Holy Week — typically late April through early May, depending on Catholic calendar; the recognized Sevillian summer kickoff with traje de flamenca dresses on display, casetas private-tent partying along Real Maestranza) rolls into the first week of May in some years. The dressing register reads Andalucía-conservative-yet-decorative: cotton everything in summer-light cuts (cream, ivory, sand, traditional flamenco red + black + polka-dot), traditional Sevillian-flamenco fashion at Lina (Sevilla 1960 — the heritage flamenco-fashion atelier, Calle Lineros 17, custom traje de flamenca for Feria; the recognized Sevillian-flamenco couture), Pol Núñez (Sevilla flamenco contemporary), Aurora Gaviño, Atelier Flamenco Sevilla. The Cathedral of Seville (the world's largest Gothic cathedral, the heritage 1528-completed Christian conversion of the 12th-century Almohad mosque — Christopher Columbus's tomb, the heritage Giralda bell tower 104m / 341ft) and the Real Alcázar (the heritage 10th-century Moorish royal palace, Game of Thrones Dorne filming location 2014-2017, Patio de las Doncellas) enforce strict modesto at the door — shoulders covered, knees covered, no swim cover-ups, no shorts, no flip-flops. Real Maestranza bullring (the heritage 1733 Sevillian bullring, the most-cited Spanish bullring) hosts bullfights April-October. Triana flamenco at Tablao El Arenal + La Carbonería + Casa de la Memoria; Sevillian dinner runs 21:00-midnight (later than Madrid).
Seville May is pre-peak heat — Feria de Abril running into early-May with traje de flamenca by Lina (Sevilla 1960) on Real Maestranza, the Cathedral + Real Alcázar at peak walking weather, Triana flamenco at Tablao El Arenal. Cotton + leather sneakers + cardigan + Lina silk.
Cotton sundress or linen midi · leather sneakers or block-heel sandals · cardigan · sunglasses · SPF 30 · sun hat · crossbody (with modesto scarf) · water bottle 1L. Coffee at Bar Casa Morales (Calle García de Vinuesa 11 — the heritage 1850 Sevillian tapas institution) 9:30am, Cathedral + Giralda 10:30am, Real Alcázar 13:00.
Linen wide-leg trousers · cotton blouse or Lina silk top · pashmina · block-heel sandals · crossbody. Dinner at Eslava 21:30 or Casa Robles 22:00; flamenco at Tablao El Arenal or La Carbonería 23:00.
Per AEMET (Agencia Estatal de Meteorología) Seville Airport data: average daily high 28°C (82°F), low 15°C (59°F), 4 rain days totalling 32mm. Andalucía pre-peak heat shoulder. UV index 8-9. Daylight 14h 5m. Humidity 60%. The 13°C / 23°F diurnal swing demands a cardigan for the 15°C / 59°F Santa Cruz mornings. Pre-July 36°C / 97°F extreme; pre-Ferragosto August 36°C / 97°F equal. Feria de Abril (the heritage April Fair, two weeks after Holy Week) rolls into early May in some years.
Feria de Abril (the heritage Sevillian April Fair, two weeks after Holy Week — typically late April through early May, depending on Catholic calendar; the heritage 1847-founded Sevillian fair, the recognized Andalucía summer kickoff) is the most-cited Sevillian local festival. Programming: 6 days + nights of casetas (private tents organized by Sevillian families + neighborhoods + businesses, located along the Real Maestranza fairgrounds across the Guadalquivir from Triana — most casetas are private invite-only but ~150 public casetas welcome visitors), traje de flamenca (the heritage Andalucía women's flamenco-style polka-dot dresses + manton de Manila shawls — Lina + Pol Núñez + Aurora Gaviño the recognized custom couturiers; rentals available at La Casita de Flamenca + Mariela Rosa for $80-200), traje corto (the heritage Andalucía men's high-waisted trousers + short jacket + wide-brim Cordobés hat), bullfights at Real Maestranza (the heritage 1733 bullring), the heritage paseo de caballos (horse-and-carriage parade through the fairgrounds, every afternoon), the heritage rebujito (manzanilla sherry + lemon-lime soda, the recognized Feria drink), tapas + flamenco music + sevillanas dancing through 6am. Pack: traje de flamenca rental for women (or rented from Lina + the heritage Sevillian-rental services); cotton sundress + flat sandals + cardigan for casual visit; closed-toe shoes for the dirt-and-gravel Real Maestranza fairgrounds.
Strict modesto at both — shoulders covered, knees covered, no swim cover-ups, no shorts, no flip-flops, no swimwear, no hats inside the Cathedral. The Cathedral of Seville (the heritage Cathedral of Saint Mary of the See, the world's largest Gothic cathedral by interior volume — 11,520 m² interior, the heritage 1528 Christian conversion of the 12th-century Almohad Mosque, with the heritage Giralda bell tower 104m / 341ft — Christopher Columbus's tomb is here) requires timed-reservation tickets through the official Cathedral website (€12-15 standard + tower climb, book 2-4 weeks ahead). The Real Alcázar of Seville (the heritage 10th-century Moorish royal palace expanded under Pedro I in the 1360s with Mudéjar Sevillian-Granada-craftsman work, UNESCO since 1987, Game of Thrones Dorne filming location 2014-2017, Patio de las Doncellas + Patio de las Muñecas + Salón de Embajadores) requires timed-reservation tickets through the official Alcázar website (€14-19 standard, book 2-4 weeks ahead — Royal Apartments tour separate). Pack: linen wide-leg trousers + cotton tee + leather sneakers + light pashmina to cover shoulders + light cardigan for the heritage Sevillian-Cathedral 18-20°C / 64-68°F constant interior temperature. Skip the Cathedral evening Mass without modesto-strict cover (the heritage Sevillian-Cathedral evening Mass is the recognized Andalucía-religious-tourism opportunity).
Yes — flamenco was born in Triana (across the Guadalquivir, the heritage Romani neighborhood — the most-cited flamenco birthplace, the heritage Triana cathedral Iglesia de Santa Ana since 1280) and Seville is the recognized international flamenco capital. The recognized Sevillian flamenco tablaos: Tablao El Arenal (Calle Rodo 7 — the heritage 1975-founded Sevillian flamenco tablao, the most-cited tourist-facing nightly tablao, two shows daily 19:30 + 21:30, dinner + show €75-95 or show + drink €38-50, book 1-2 weeks ahead); La Carbonería (Calle Levíes 18 — the heritage Sevillian-Romani-style flamenco tablao in a converted 17th-century coal warehouse, free entry but 1-drink minimum, nightly shows 22:00 + midnight, the recognized authentic flamenco-as-performance-art destination; arrive early for benches); Casa de la Memoria (Calle Cuna 6 — the heritage Sevillian-Romani Center for Cultural Memory, smaller venue with the heritage flamenco-and-history program, two shows daily 19:30 + 21:00, €18-22, the recognized educational-flamenco destination); Tablao Los Gallos (Plaza de Santa Cruz 11 — the heritage 1966 Sevillian flamenco tablao, the second-most-cited tourist-facing tablao after El Arenal, two shows daily 20:00 + 22:30, €38-50). Pack: linen wide-leg trousers + cotton blouse or Lina silk top + block-heel sandals + light cardigan + crossbody. Sevillian flamenco runs 21:00-01:00; arrive 30 minutes before.
Eslava (Calle Eslava 3-5 — the heritage Sevillian tapas institution, the recognized Sevillian-tapas-tasting destination, the heritage 'huevos sobre bizcocho de boletus' tapa won the 2010 Top Tapa national award; queue 60-90 minutes 21:00-23:00, the recognized Sevillian tapas-line ritual); Casa Robles (Calle Álvarez Quintero 58, since 1954 — the heritage Sevillian fine dining, the recognized Sevillian-political-and-tourist institution, traditional Andalucía menu — gazpacho, salmorejo, pescaíto frito); Cañabota (Calle Orfila 1 — Pepe Solla's heritage 1-Michelin Sevillian seafood, the recognized seafood-tasting destination); Abades Triana (Calle Betis 69, Triana — the heritage Sevillian-Triana riverside fine dining with the heritage Cathedral + Giralda night view); Bar Casa Morales (Calle García de Vinuesa 11, since 1850 — the heritage Sevillian tapas institution, the recognized Sevillian-tapas tradition); La Brunilda (Calle Galera 5 — the heritage Sevillian tapas-bar institution, the recognized 'second-Eslava' for the Eslava queue overflow); Lobo López (the heritage Sevillian-fish institution); the heritage El Rinconcillo (Calle Gerona 40, since 1670 — the heritage oldest-Sevillian-tapas-bar). Pack: linen wide-leg trousers + cotton blouse + leather sneakers + light cardigan + crossbody. Sevillian dinner 21:00-midnight (later than Madrid).