# Church of Santa María de la Asunción, Castro Urdiales, Spain: what it is and when to go

> Church of Santa María de la Asunción, Castro Urdiales is a cultural property in Castro Urdiales, Spain (Bilbao). Interests: History and Temples. The best time to visit is March to June and September to October. In June there are 15 h 12 of daylight, and in December, 8 h 48. It has articles in 3 Wikipedias, so it is not one of the busiest places in Spain: one to enjoy at a calmer pace. Here is what it is, where it lies, when to come, how to get there and what else is nearby to turn it into a trip.

- Address: https://kokai.app/en/paises/europa/espana/iglesia-de-santa-maria-de-la-asuncion/
- Reviewed on: 2026-10-02
- Language: en

## In a nutshell

- **What it is:** Cultural property in Castro Urdiales, Spain · History, Temples
- **Where:** Spain
- **Best time:** March to June and September to October.
- **Nearest airport:** MAD Madrid, 323 km as the crow flies
- **Protection:** UNESCO World Heritage Site
- **Coordinates:** 43.38459, -3.21566

## What it is and where

Church of Santa María de la Asunción, Castro Urdiales is a cultural property in Castro Urdiales, Spain (Bilbao). It has articles in 3 Wikipedias, so it is not one of the busiest places in Spain: one to enjoy at a calmer pace.

It is in [Bilbao](https://kokai.app/en/paises/europa/espana/bilbao/), where this site lists 149 more places to see, 28 km from the centre.

Its coordinates are 43.38459, -3.21566; the nearest main airport is Adolfo Suárez Madrid–Barajas Airport (MAD, Madrid), 323 km as the crow flies. How to get around Spain (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/europa/espana/#moverse).

- [Where it is](https://www.google.com/maps/search/?api=1&query=43.384591%2C-3.215664)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=43.384591%2C-3.215664)

- **Protection:** UNESCO World Heritage Site

It is one of the [History](https://kokai.app/en/paises/europa/espana/historia/) and [Temples](https://kokai.app/en/paises/europa/espana/espiritual/) places in Spain. In [Kokai](https://kokai.app/en/) it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap.

## When to go

The best time to visit Church of Santa María de la Asunción, Castro Urdiales is **March to June and September to October**.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Possible | 9 h 07 |
| February | Possible | 10 h 17 |
| March | Best time | 11 h 39 |
| April | Best time | 13 h 12 |
| May | Best time | 14 h 30 |
| June | Best time | 15 h 12 |
| July | Possible | 14 h 55 |
| August | Possible | 13 h 47 |
| September | Best time | 12 h 17 |
| October | Best time | 10 h 46 |
| November | Possible | 9 h 27 |
| December | Possible | 8 h 48 |

In June there are 15 h 12 of daylight, and in December, 8 h 48. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather.

| What you come for | Best time | Possible |
| --- | --- | --- |
| History | March to June and September to October | November to February and July to August |
| Temples | March to June and September to October | November to February and July to August |

It is not the same trip whatever you come for: Church of Santa María de la Asunción, Castro Urdiales has a different season depending on what you want to do here, and [Kokai](https://kokai.app/en/) puts it in the right month for you.

When to go to Spain in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/europa/espana/#cuando-ir).

## Before you go to Spain

To enter Spain there are 6 things to sort out before you leave, starting with “Valid ID card or passport”: they are all, with their deadlines, in [the Spain checklist](https://kokai.app/en/paises/europa/espana/#antes-de-salir). Currency: Euro (EUR); plugs: Type C and F · 230 V · 50 Hz; emergencies: 112.

In [Kokai](https://kokai.app/en/) you tick off the checklist inside your trip, and each item reminds you when it is time to do it.

## What is nearby

- [Castle of Santa Ana](https://kokai.app/en/paises/europa/espana/castillo-de-santa-ana/): Cultural property in Castro Urdiales, Spain · 67 m
- [Playa de Ostende](https://kokai.app/en/paises/europa/espana/playa-de-ostende-o-urdiales/): Beach · 760 m
- [Cargadero de Dícido](https://kokai.app/en/paises/europa/espana/cargadero-de-mineral-de-miono/): Historic site in Spain · 2.4 km
- [Ruinas de la Torre Medieval](https://kokai.app/en/paises/europa/espana/ruinas-de-la-torre-medieval/): Cultural property in Castro Urdiales, Spain · 2.7 km
- [Playa de Arenillas](https://kokai.app/en/paises/europa/espana/playa-de-arenillas/): Beach · 8.1 km

Distances are as the crow flies. Everything else is in [the Spain guide](https://kokai.app/en/paises/europa/espana/).

## More in Spain: History

- [Córdoba, Spain](https://kokai.app/en/paises/europa/espana/cordoba-2/)
- [Toledo, Spain](https://kokai.app/en/paises/europa/espana/toledo-2/)
- [Salamanca](https://kokai.app/en/paises/europa/espana/salamanca-2/)
- [Sagrada Família](https://kokai.app/en/paises/europa/espana/basilica-de-la-sagrada-familia/): basilica under construction since 1882 in Barcelona, Spain
- [Cádiz](https://kokai.app/en/paises/europa/espana/cadiz-2/)
- [Alcalá de Henares](https://kokai.app/en/paises/europa/espana/alcala-de-henares-2/)

Every Spain place under History, each with its season, is on [its page](https://kokai.app/en/paises/europa/espana/historia/).

## Frequently asked questions

### What is Church of Santa María de la Asunción, Castro Urdiales?

It is a cultural property in Castro Urdiales, Spain. It has articles in 3 Wikipedias, so it is not one of the busiest places in Spain: one to enjoy at a calmer pace.

### When is the best time to visit Church of Santa María de la Asunción, Castro Urdiales?

March to June and September to October. In June there are 15 h 12 of daylight, and in December, 8 h 48.

### How do you get to Church of Santa María de la Asunción, Castro Urdiales?

The nearest main airport is Adolfo Suárez Madrid–Barajas Airport (MAD), 323 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=43.384591%2C-3.215664) opens the route on the map, and how to get around Spain is explained in [its country guide](https://kokai.app/en/paises/europa/espana/#moverse).

### How do I add it to my trip?

With one tap. In Kokai it is already on the Spain map, next to the places you save yourself: add it to a day's plan, give it a time and, if you like, get a reminder when you pass nearby.

### What else is around here?

Nearby you have [Castle of Santa Ana](https://kokai.app/en/paises/europa/espana/castillo-de-santa-ana/), [Playa de Ostende](https://kokai.app/en/paises/europa/espana/playa-de-ostende-o-urdiales/), [Cargadero de Dícido](https://kokai.app/en/paises/europa/espana/cargadero-de-mineral-de-miono/). The rest is in [the Spain guide](https://kokai.app/en/paises/europa/espana/).

Data from [OpenStreetMap](https://www.openstreetmap.org/way/73854630), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q5911824), CC0. More about Church of Santa María de la Asunción, Castro Urdiales on [Wikipedia](https://es.wikipedia.org/wiki/Iglesia_de_Santa_Mar%C3%ADa_de_la_Asunci%C3%B3n_(Castro_Urdiales)). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).