Click on a day for an hourly weather forecast
The temperatures in Lucerne in August are comfortable with low of 12°C and and high up to 24°C.
You can expect rain for roughly half of the month of August in Lucerne. 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.
Our weather forecast can give you a great sense of what weather to expect in Lucerne in August 2025.
If you’re planning to visit Lucerne in the near future, we highly recommend that you review the 14 day weather forecast for Lucerne before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -4° | 9 | 11 | 11 | 157 mm | Awful | Lucerne in January |
| February | 5° / -4° | 8 | 9 | 11 | 112 mm | Awful | Lucerne in February |
| March | 9° / -1° | 8 | 16 | 7 | 127 mm | Awful | Lucerne in March |
| April | 14° / 2° | 8 | 20 | 2 | 130 mm | Bad | Lucerne in April |
| May | 18° / 5° | 13 | 17 | 0 | 253 mm | Ok | Lucerne in May |
| June | 22° / 9° | 12 | 18 | 0 | 259 mm | Ok | Lucerne in June |
| July | 24° / 11° | 13 | 18 | 0 | 271 mm | Good | Lucerne in July |
| August | 24° / 12° | 10 | 21 | 0 | 222 mm | Good | Lucerne in August |
| September | 20° / 9° | 7 | 23 | 0 | 127 mm | Ok | Lucerne in September |
| October | 16° / 6° | 6 | 25 | 0 | 136 mm | Good | Lucerne in October |
| November | 10° / 2° | 7 | 19 | 4 | 135 mm | Awful | Lucerne in November |
| December | 6° / -2° | 9 | 14 | 9 | 161 mm | Awful | Lucerne in December |