Coniston Water vs Grasmere

Grasmere is the warmer swim right now at about 18.1°C. They are roughly 13 km apart in United Kingdom.

Coniston Water

Lake District

17.1°C

mild · modelled estimate

September average
17.1°C
Warmest month
August · 18.0°C
Coldest month
5.0°C
Swim season
August–August

Long, sheltered Lake District water popular for long-distance swims.

Grasmere

Cumbria

18.1°C

mild · modelled estimate

September average
18.1°C
Warmest month
August · 19.0°C
Coldest month
5.0°C
Swim season
July–September

Grasmere in Cumbria, United Kingdom is swimmable in high summer, brisk either side of it, and drops close to single digits in winter.

Month by month

LakeJanFebMarAprMayJunJulAugSepOctNovDec
Coniston Water5.9°C5.0°C5.9°C8.3°C11.5°C14.8°C17.1°C18.0°C17.1°C14.8°C11.5°C8.3°C
Grasmere5.9°C5.0°C5.9°C8.5°C12.0°C15.5°C18.1°C19.0°C18.1°C15.5°C12.0°C8.5°C

Monthly values are modelled from each lake's long-term winter and summer envelope, then refined with today's forecast air temperature for the headline reading.

Related lake comparisons

Want a different mix? Compare up to four lakes side by side or browse all lake water temperatures.

Jump straight to a country, coastal region, city, seasonal ranking or comparison.