Llansadwrn (Anglesey) Weather: Eryri (Snowdonia) Snowline Report You may need to refresh your browser for the latest version

September 2026

No snow was observed in September.

October

The first snow will be reported here. Pray for snow!.

 

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• Read about ice precipitation; snow and the different types of hail on this website 

• To find out more about snow and ice crystals

  visit Ken Libbrecht's website

  Eryri/ Snowdonia_ mountain weather on Met Office

  Before you go on the mountains checkout the Met Office forecast for Eryri/ Snowdonia National Park Other Met Office British Mountain area forecasts AWS weather stations and live webcams Gorddinog, Llanfairfechan AWS Gorwel Heights, Llanfairfechan AWS Mynydd Llandegai AWS and webcam The OGGI webcams

•   Ogwen Valley Mountain Rescue Organisation OVMRO
•   Current weather AWS

• MWIS Mountain Weather Information Service MWIS

• Cairngorm

• Cairngorm summit weather station Intermittent operation Courtesy of Heriot-Watt University Physics Department
• Information cairngormmountain.org



• You can view the snowline histograms for previous years here:

 Winter 2025-2026
 Winter 2024-2025
 Winter 2023-2024
 Winter 2022-2023
 Winter 2021-2022


• You can view complete snowline reports for previous years here:

 Winter 2025-2026
 Winter 2024-2025
 Winter 2023-2024
 Winter 2022-2023
 Winter 2021-2022


• For earlier archived reports refer to the Site Map.

 

Notes

Observations are made as near to 0900 GMT as possible. I have a good view from Llansadwrn, weather permitting, across the Menai Strait towards the Snowdonia Mountains. I can see the northern slopes of the mountain range from Moel Eilio (west of Snowdon), Snowdon summits (Yr Wyddfa and Crib Goch), the Glyderau and Carneddau to Foel-fras and Drum to the east of the range near the Conwy Valley. With the aid of binoculars I make daily records that include any ice precipitation observed, the lowest altitude of snow lying at ( >= 50% cover), at ( >= 30% cover) and snow patches. I aim to update the diagram during the season at least twice weekly if there is any snow.

Designed and written by Donald Perkins, Copyright © 1998 - 2026. All Rights Reserved. Page first published 6 October 2026 and will be updated during the season llansadwrn-wx.co.uk




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