Saint John 2018 - Medina de Rioseco from June 21 to June 25. Past days. Saturday, June 16 Sunday, June 17 Monday, June 18 Thursday, June 21 Friday, June 22 Saturday, June 23 Sunday, June 24 Monday, June 25 You might be also interested in: Saint John's Eve 2018 - Valladolid - 45 Kms. Fiesta of Villada 2018 - Villada (Palencia) - 44 Kms. Saint Peter 2018 - Zamora - 93 Kms. Artisan Craft Fair 2018 - Boecillo - 56 Kms.