Click on a day for an hourly weather forecast
The weather in Mammoth Lakes in December is very cold with temperatures between -10°C and 1°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in Mammoth Lakes. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
You can expect a few days of snow in Mammoth Lakes during December. It’s important to get out your snow boots and warm mittens to stay warm while you explore Mammoth Lakes.
Our weather forecast can give you a great sense of what weather to expect in Mammoth Lakes in December 2024.
If you’re planning to visit Mammoth Lakes in the near future, we highly recommend that you review the 14 day weather forecast for Mammoth Lakes before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -9° | 6 | 19 | 6 | 86 mm | Awful | Mammoth Lakes in January |
| February | 1° / -10° | 7 | 16 | 5 | 78 mm | Awful | Mammoth Lakes in February |
| March | 3° / -8° | 7 | 17 | 7 | 72 mm | Awful | Mammoth Lakes in March |
| April | 8° / -4° | 5 | 21 | 4 | 37 mm | Bad | Mammoth Lakes in April |
| May | 12° / 0° | 6 | 22 | 2 | 37 mm | Bad | Mammoth Lakes in May |
| June | 19° / 5° | 5 | 25 | 0 | 22 mm | Good | Mammoth Lakes in June |
| July | 24° / 10° | 6 | 25 | 0 | 16 mm | Perfect | Mammoth Lakes in July |
| August | 24° / 9° | 4 | 27 | 0 | 14 mm | Perfect | Mammoth Lakes in August |
| September | 20° / 6° | 2 | 27 | 0 | 9 mm | Good | Mammoth Lakes in September |
| October | 14° / 1° | 2 | 28 | 1 | 29 mm | Good | Mammoth Lakes in October |
| November | 7° / -5° | 5 | 22 | 4 | 42 mm | Bad | Mammoth Lakes in November |
| December | 1° / -10° | 8 | 17 | 6 | 99 mm | Awful | Mammoth Lakes in December |