Island

Y Glyn

Located in Llanberis, Gwynedd Coordinates: 53°07′39″ N 4°07′59″ W

Location in United Kingdom

Elevation: 108 m; above sea level
Nearest town: Llanberis; 1.1 km S
Local time: UTC+00:00; Europe/London · UTC+00:00
When to go: June–August; See the climate
Airports: LPL Liverpool John Lennon Airport89 km; IOM Isle of Man Airport111 km

About Y Glyn

Y Glyn is an island. Location: Llanberis, Gwynedd. The best months to visit are June–August. The nearest airport is Liverpool John Lennon Airport (89 km). Nearby sights include Llyn Padarn and Pen y Bigil.

Photos of Y Glyn

Elidir Fawr Seraaron · CC BY-SA 4.0
Carnedd Ugain David Crocker · CC BY-SA 2.0
National Slate Museum Talsarnau Times · CC BY-SA 4.0

Climate of Y Glyn

Best months for sightseeing

Best months for sightseeing: June–August.

This month · November

A wet month

Day 10° · Night 5° · Rain 177 mm

Hottest month: July (day 19°)
Coldest month: February (night 2°)
Wettest month: November (177 mm)
Driest month: May (88 mm)

8° 3°

8° 2°

9° 3°

12° 5°

15° 7°

18° 10°

19° 12°

17° 10°

14° 8°

10° 5°

8° 3°

Jan

157

Feb

116

Mar

139

Apr

May

Jun

Jul

Aug

115

Sep

131

Oct

161

Nov

177

Dec

168

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 Y Glyn
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average high (°C)	8°	8°	9°	12°	15°	18°	19°	19°	17°	14°	10°	8°
Average low (°C)	3°	2°	3°	5°	7°	10°	12°	12°	10°	8°	5°	3°
Precipitation (mm)	157	116	139	96	88	94	97	115	131	161	177	168

Other places to visit in this season: June July August

How to get to Y Glyn

The nearest airport is Liverpool John Lennon Airport (LPL), 89 km to the east as the crow flies. The nearest large city is Birkenhead, 80 km to the east.

Airports

Liverpool John Lennon Airport (LPL) Liverpool 89 kmeast
Isle of Man Airport (IOM) Castletown, Rushen 111 kmnorth
Manchester Airport (MAN) Manchester, Greater Manchester 126 kmeast

Nearby large cities

Birkenhead Population: 325.3K 80 kmeast
Liverpool Population: 496.8K 83 kmnortheast
St Helens Population: 183.2K 100 kmeast
Blackpool Population: 145K 105 kmnortheast
Warrington Population: 172.3K 108 kmeast

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

Day trips from Y Glyn

Within 100 km: 343 historic and cultural sites, 1,548 natural sites, 158 lakes, rivers and coasts.

0–25 km330 places

Anglesey Island 22 kmNW
Ynys Tywyn Island 23 kmS
Puffin Island Island 22 kmN
Llanddwyn Island Island 19 kmW

25–60 km696 places

Whistling Sands Beach 51 kmSW
Traeth Penllech Beach 46 kmSW
Porth Towyn Beach Beach 42 kmSW
Traeth Lligwy Beach 27 kmN

60–100 km1,023 places

British Isles Island 98 kmN
Thurstaston Beach Beach 70 kmE
Formby Beach Beach 84 kmNE
Ainsdale Beach Beach 89 kmNE

Straight-line distances.

Nearest towns and villages

Llanberis Village, Llanberis
1.1 km S
Deiniolen Village, Llanddeiniolen
2.3 km N
Fachwen Village, Llanddeiniolen
1 km NW
Dinorwic Village, Llanddeiniolen
1.4 km NE
Gallt - y - foel Village, Llanddeiniolen
1.5 km N
Llanrug Village, Llanrug
4.8 km NW

Y Glyn

Nearby attractions & nature

Everything nearby

Llyn Padarn Lake, Wales
0.2 km N
Pen y Bigil Mountain, Llanddeiniolen
1.1 km N
Ceunant Mawr Waterfall Natural site, Llanberis
1.8 km S
National Slate Museum Museum, Llanddeiniolen
1.4 km SE
Dolbadarn Castle Historic site, Llanberis
1.8 km SE
Y Ceiliog Mawr Mountain, Llanberis
2.4 km SE
Elidir Fawr Mountain, Llanddeiniolen
3.8 km E
Llyn Peris Lake, Wales
2.4 km SE

Y Glyn

Sources & licences

GeoNames, CC-BY-4.0 GeoNames (www.geonames.org), CC BY 4.0

Data last updated: November 3, 2026