IJsselmeer vs Nieuwkoopse Plassen
Nieuwkoopse Plassen is the warmer swim right now at about 20.8°C. They are roughly 86 km apart in Netherlands.
IJsselmeer
Friesland
mild · modelled estimate
- September average
- 19.9°C
- Warmest month
- August · 21.0°C
- Coldest month
- 4.0°C
- Swim season
- July–September
IJsselmeer in Friesland, Netherlands is swimmable in high summer, brisk either side of it, and drops close to single digits in winter.
Nieuwkoopse Plassen
South Holland
warm · modelled estimate
- September average
- 20.8°C
- Warmest month
- August · 22.0°C
- Coldest month
- 4.0°C
- Swim season
- July–September
Nieuwkoopse Plassen in South Holland, Netherlands reaches comfortable swimming temperatures in July and August, and drops close to single digits in winter.
Month by month
| Lake | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| IJsselmeer | 5.1°C | 4.0°C | 5.1°C | 8.3°C | 12.5°C | 16.8°C | 19.9°C | 21.0°C | 19.9°C | 16.8°C | 12.5°C | 8.3°C |
| Nieuwkoopse Plassen | 5.2°C | 4.0°C | 5.2°C | 8.5°C | 13.0°C | 17.5°C | 20.8°C | 22.0°C | 20.8°C | 17.5°C | 13.0°C | 8.5°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.
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