Big Bear Lake vs Lake Casitas
Lake Casitas is the warmer swim right now at about 25.1°C. They are roughly 224 km apart in United States.
Big Bear Lake
California
mild · modelled estimate
- September average
- 19.9°C
- Warmest month
- August · 21.0°C
- Coldest month
- 5.0°C
- Swim season
- July–September
Big Bear Lake in California, United States is swimmable in high summer, brisk either side of it, and drops close to single digits in winter.
Lake Casitas
California
hot · modelled estimate
- September average
- 25.1°C
- Warmest month
- August · 26.0°C
- Coldest month
- 12.0°C
- Swim season
- May–November
Lake Casitas in California, United States warms into the mid-20s °C for reliable summer swimming, and stays mild even in winter.
Month by month
| Lake | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Big Bear Lake | 6.1°C | 5.0°C | 6.1°C | 9.0°C | 13.0°C | 17.0°C | 19.9°C | 21.0°C | 19.9°C | 17.0°C | 13.0°C | 9.0°C |
| Lake Casitas | 12.9°C | 12.0°C | 12.9°C | 15.5°C | 19.0°C | 22.5°C | 25.1°C | 26.0°C | 25.1°C | 22.5°C | 19.0°C | 15.5°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.
Explore every sea temperature page
Jump straight to a country, coastal region, city, seasonal ranking or comparison.