Municipality

Siero

Located in Asturias, Principality of Asturias Coordinates: 43°23′00″ N 5°40′00″ W

Puxapiti · Public domain · Wikimedia Commons

Population: 51,662; 51.7K
Elevation: 247 m; above sea level
Local time: UTC+01:00; Europe/Madrid · UTC+01:00
Places inside: 99; listed under Siero
When to go: June–September; See the climate
Airports: OVD Asturias Airport36 km; LEN León Airport88 km

About Siero

Siero is a municipality. Location: Asturias, Principality of Asturias. Population: 51,662. Elevation: 247 m.

From Wikipedia

Siero is a municipality of the autonomous community of Asturias, in northern Spain. With a population of 52,194 as of 2023, Siero is the fourth most populous municipality in Asturias. It has a total of 29 parishes, with the largest being Lugones; its capital parish is La Pola Siero. It is located centrally within Asturias, and the northernmost point of Siero is about 10 km from Asturias' largest city, Gijón, and the shores of the Cantabrian Sea.

Source: Wikipedia · CC BY-SA 4.0

At a glance

Area: 211 km²
Official website: ayto-siero.es

Source: Wikidata

Places bordering Siero

Villaviciosa
Nava
Langreo Municipality
Oviedo
Llanera
Bimenes

Population of Siero over time

Population of Siero over time
2014		52,380
2015		52,191
2016		51,969
2017		51,776
2018		51,662
2019		51,667
2020		51,509
2021		51,608
2022		51,792
2023		52,194
2024		52,593
2025		53,049

Censuses and official estimates; source: Wikidata.

Climate of Siero

Best months for sightseeing

Best months for sightseeing: June–September.

This month · November

A wet month

Day 14° · Night 7° · Rain 100 mm

Hottest month: August (day 23°)
Coldest month: January (night 4°)
Wettest month: April (104 mm)
Driest month: July (50 mm)

11° 4°

13° 4°

14° 5°

15° 6°

18° 9°

21° 12°

23° 14°

23° 15°

22° 13°

18° 10°

14° 7°

12° 5°

Jan

Feb

Mar

Apr

104

May

Jun

Jul

Aug

Sep

Oct

Nov

100

Dec

Bars: average monthly low and high temperature. Below: precipitation. Monthly averages for 1970–2000 at about 18 km resolution, adjusted for elevation. Highlighted months are mild and relatively dry. Source: WorldClim 2.1 (CC BY 4.0).

Show values as a table

Climate of Siero
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average high (°C)	11°	13°	14°	15°	18°	21°	23°	23°	22°	18°	14°	12°
Average low (°C)	4°	4°	5°	6°	9°	12°	14°	15°	13°	10°	7°	5°
Precipitation (mm)	93	88	82	104	91	53	50	50	58	99	100	95

Other places to visit in this season: June July August September

How to get to Siero

The nearest airport is Asturias Airport (OVD), 36 km to the northwest as the crow flies. The nearest large city is Oviedo, 15 km to the west.

Airports

Asturias Airport (OVD) Ranón 36 kmnorthwest
León Airport (LEN) La Virgen del Camino 88 kmsouth
Seve Ballesteros-Santander Airport (SDR) Santander 150 kmeast

Nearby large cities

Oviedo Population: 220K 15 kmwest
Gijón Population: 271.8K 17 kmnorth
León Population: 124.8K 87 kmsouth
Santander Population: 173.6K 151 kmeast
Burgos Population: 176.4K 198 kmsoutheast

Straight-line distances; road distances are longer. Airport data: OurAirports.

Day trips from Siero

Within 100 km: 145 historic and cultural sites, 148 natural sites, 129 lakes, rivers and coasts.

0–25 km110 places

Playa de la Ñora Beach 19 kmN
Playa Cervigón Beach 18 kmN
Playa de San Lorenzo Beach 18 kmN
Playa de Poniente Beach 18 kmN

25–60 km113 places

Playón de Bayas Beach 37 kmNW
Playa de Cuevas del Mar Beach 60 kmE
Playa de Aguilar Beach 41 kmNW
Playa de San Pedro Beach 50 kmNW

60–100 km199 places

Playa de Santa Ana Beach 64 kmW
Playa de San Antonio del Mar Beach 60 kmE
Playa de San Antolín Beach 65 kmE
Playa de Pechón Beach 95 kmE

Straight-line distances.

Siero and similar cities

Side by side with cities of similar size in the same country: population, elevation and climate.

Measure	Siero	Segovia	Huesca	Cuenca
Population	51.7K	51.7K	54K	54.9K
Elevation	247 m	996 m	476 m	941 m
Summer day (hottest month)	23°	28°	32°	31°
Winter night (coldest month)	4°	0°	2°	0°
Annual rainfall	963 mm	522 mm	510 mm	523 mm
Best months	Jun–Sep	Jun, Sep	May, Sep–Oct	May–Jun, Sep–Oct
Distance	—	299 km	452 km	471 km