Switzerland · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Lucerne are June, August and September, when daytime temperatures are agreeable and rainfall is relatively low.
Lucerne sees its warmest weather in July, when daytime highs average around 25°C, and its coolest in January (around 4°C).
Annual precipitation totals roughly 1291mm — August is typically the wettest month (~170mm) and January the driest (~56mm).
A distinctly wetter period runs from May to August — worth planning around if you prefer dry days.
July is the sunniest month, with about 209 hours of sunshine.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 61 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 4° / -2°C | 56mm | 🤔 Fair |
| February | 6° / -2°C | 61mm | 🤔 Fair |
| March | 11° / 2°C | 75mm | 🤔 Fair |
| April | 15° / 5°C | 97mm | 👍 Good |
| May | 19° / 9°C | 149mm | 👍 Good |
| June | 23° / 13°C | 165mm | 👍 Good |
| July | 25° / 15°C | 166mm | 👍 Good |
| August | 24° / 14°C | 170mm | 👍 Good |
| September | 20° / 11°C | 109mm | 👍 Good |
| October | 14° / 7°C | 88mm | 🤔 Fair |
| November | 8° / 2°C | 78mm | 🤔 Fair |
| December | 5° / -1°C | 78mm | 🤔 Fair |
January in Lucerne is cold, with average daytime highs around 4°C (39°F) and nighttime lows near -2°C (29°F). Expect roughly 56mm of precipitation spread over about 10 rainy days, with little rainfall.
☀️ About 51 hours of sunshine over the month (~2h/day).
🎒 What to pack — warm coat · sweaters and layers · scarf
February in Lucerne is cold, with average daytime highs around 6°C (42°F) and nighttime lows near -2°C (29°F). Expect roughly 61mm of precipitation spread over about 9 rainy days, with a moderate amount of rain.
☀️ About 80 hours of sunshine over the month (~3h/day).
🎒 What to pack — warm coat · sweaters and layers · scarf
March in Lucerne is chilly, with average daytime highs around 11°C (52°F) and nighttime lows near 2°C (35°F). Expect roughly 75mm of precipitation spread over about 11 rainy days, with a moderate amount of rain.
☀️ About 133 hours of sunshine over the month (~4h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
April in Lucerne is mild, with average daytime highs around 15°C (60°F) and nighttime lows near 5°C (41°F). Expect roughly 97mm of precipitation spread over about 11 rainy days, with a moderate amount of rain.
☀️ About 162 hours of sunshine over the month (~5h/day).
🎒 What to pack — light jacket · layers for cool evenings
May in Lucerne is pleasantly warm, with average daytime highs around 19°C (67°F) and nighttime lows near 9°C (48°F). Expect roughly 149mm of precipitation spread over about 13 rainy days, and this is one of the wetter months.
☀️ About 173 hours of sunshine over the month (~6h/day).
🎒 What to pack — light layers · comfortable walking shoes · compact umbrella or rain jacket
June in Lucerne is pleasantly warm, with average daytime highs around 23°C (73°F) and nighttime lows near 13°C (55°F). Expect roughly 165mm of precipitation spread over about 14 rainy days, and this is one of the wetter months.
☀️ About 187 hours of sunshine over the month (~6h/day).
🎒 What to pack — light layers · comfortable walking shoes · compact umbrella or rain jacket
July in Lucerne is pleasantly warm, with average daytime highs around 25°C (77°F) and nighttime lows near 15°C (58°F). Expect roughly 166mm of precipitation spread over about 13 rainy days, and this is one of the wetter months.
☀️ About 209 hours of sunshine over the month (~7h/day).
🎒 What to pack — light layers · comfortable walking shoes · compact umbrella or rain jacket
August in Lucerne is pleasantly warm, with average daytime highs around 24°C (76°F) and nighttime lows near 14°C (58°F). Expect roughly 170mm of precipitation spread over about 13 rainy days, and this is one of the wetter months.
☀️ About 198 hours of sunshine over the month (~7h/day).
🎒 What to pack — light layers · comfortable walking shoes · compact umbrella or rain jacket
September in Lucerne is pleasantly warm, with average daytime highs around 20°C (67°F) and nighttime lows near 11°C (51°F). Expect roughly 109mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
☀️ About 146 hours of sunshine over the month (~5h/day).
🎒 What to pack — light layers · comfortable walking shoes
October in Lucerne is mild, with average daytime highs around 14°C (58°F) and nighttime lows near 7°C (44°F). Expect roughly 88mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
☀️ About 99 hours of sunshine over the month (~3h/day).
🎒 What to pack — light jacket · layers for cool evenings
November in Lucerne is chilly, with average daytime highs around 8°C (47°F) and nighttime lows near 2°C (36°F). Expect roughly 78mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
☀️ About 53 hours of sunshine over the month (~2h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
December in Lucerne is cold, with average daytime highs around 5°C (40°F) and nighttime lows near -1°C (31°F). Expect roughly 78mm of precipitation spread over about 11 rainy days, with a moderate amount of rain.
☀️ About 39 hours of sunshine over the month (~1h/day).
🎒 What to pack — warm coat · sweaters and layers · scarf