Lake Mjøsa vs Lake Randsfjorden

Lake Mjøsa is the warmer swim right now at about 17.9°C. They are roughly 40 km apart in Norway.

Lake Mjøsa

Innlandet

17.9°C

mild · modelled estimate

September average
17.9°C
Warmest month
August · 19.0°C
Coldest month
2.0°C
Swim season
August–August

Norway's largest lake, with warm shallow beaches near Hamar in July.

Lake Randsfjorden

Innlandet

16.9°C

mild · modelled estimate

September average
16.9°C
Warmest month
August · 18.0°C
Coldest month
1.0°C
Swim season
August–August

Lake Randsfjorden in Innlandet, Norway stays cool even at its August peak — a short-swim lake, and freezes or near-freezes in winter.

Month by month

LakeJanFebMarAprMayJunJulAugSepOctNovDec
Lake Mjøsa3.1°C2.0°C3.1°C6.3°C10.5°C14.8°C17.9°C19.0°C17.9°C14.8°C10.5°C6.3°C
Lake Randsfjorden2.1°C1.0°C2.1°C5.3°C9.5°C13.8°C16.9°C18.0°C16.9°C13.8°C9.5°C5.3°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.

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