Lyon vs Geneva: which is sunnier?
🇫🇷 France vs 🇨🇭 Switzerland · 97 km apart · long-term climate normals (NASA POWER, 2001–2020)
Lyon is the sunnier overall: about 2,190 hours of sunshine a year to Geneva's 2,093. Lyon has the higher Sunshine Score in 7 of 12 months; the other 5 are within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Lyon | Geneva | |
|---|---|---|
| Sunshine hours / year | 2,190 | 2,093 |
| Sunniest month | July (80/100) | September (77/100) |
| Nov–Feb average score | 5/100 | 5/100 |
| Jun–Aug average score | 79/100 | 73/100 |
| Rain / year | 787 mm | 1,108 mm |
| Peak midday UV | 7 (high) | 7 (high) |
Lyon vs Geneva month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Lyon | Geneva | Lyon | Geneva | Lyon | Geneva | |
| January | 0 | 0 | 6° | 5° | 54 | 98 |
| February | 0 | 0 | 8° | 6° | 46 | 73 |
| March | 27 | 19 | 12° | 11° | 54 | 90 |
| April | 60 | 51 | 17° | 16° | 61 | 75 |
| May | 77 | 65 | 21° | 19° | 82 | 111 |
| June | 79 | 73 | 25° | 24° | 67 | 100 |
| July | 80 | 74 | 28° | 27° | 65 | 93 |
| August | 79 | 73 | 27° | 26° | 66 | 99 |
| September | 80 | 77 | 23° | 22° | 62 | 76 |
| October | 64 | 62 | 18° | 18° | 82 | 91 |
| November | 19 | 18 | 11° | 11° | 85 | 96 |
| December | 0 | 0 | 7° | 6° | 63 | 106 |
The sunnier month by month: Jan even · Feb even · Mar Lyon · Apr Lyon · May Lyon · Jun Lyon · Jul Lyon · Aug Lyon · Sep Lyon · Oct even · Nov even · Dec even.
When to pick which
- November–February: too close to call — Lyon averages 5/100, Geneva 5/100. Daytime highs are similar (8°C vs 7°C). See the winter sun ranking.
- March–May: Lyon (average score 55/100 vs 45). Lyon is the warmer, around 17°C daytime highs vs 15°C.
- June–August: Lyon (average score 79/100 vs 73). Daytime highs are similar (27°C vs 26°C).
- September–October: too close to call — Lyon averages 72/100, Geneva 70/100. Daytime highs are similar (21°C vs 20°C).
Full month-by-month guides: Lyon weather by month · Geneva weather by month · Best time to visit France · Best time to visit Switzerland.
More comparisons: Lyon vs Turin · Lyon vs Grenoble · Geneva vs Turin · Geneva vs Grenoble · Geneva vs Bern · all head-to-heads