Geneva vs Grenoble: which is sunnier?
🇨🇭 Switzerland vs 🇫🇷 France · 115 km apart · long-term climate normals (NASA POWER, 2001–2020)
Grenoble is the sunnier overall: about 2,189 hours of sunshine a year to Geneva's 2,093. Grenoble has the higher Sunshine Score in 5 of 12 months, Geneva in 1 (6 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Geneva | Grenoble | |
|---|---|---|
| Sunshine hours / year | 2,093 | 2,189 |
| Sunniest month | September (77/100) | September (79/100) |
| Nov–Feb average score | 5/100 | 5/100 |
| Jun–Aug average score | 73/100 | 78/100 |
| Rain / year | 1,108 mm | 949 mm |
| Peak midday UV | 7 (high) | 7 (high) |
Geneva vs Grenoble month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Geneva | Grenoble | Geneva | Grenoble | Geneva | Grenoble | |
| January | 0 | 0 | 5° | 6° | 98 | 79 |
| February | 0 | 0 | 6° | 7° | 73 | 62 |
| March | 19 | 26 | 11° | 12° | 90 | 74 |
| April | 51 | 53 | 16° | 16° | 75 | 69 |
| May | 65 | 74 | 19° | 20° | 111 | 97 |
| June | 73 | 77 | 24° | 24° | 100 | 77 |
| July | 74 | 78 | 27° | 26° | 93 | 72 |
| August | 73 | 78 | 26° | 26° | 99 | 76 |
| September | 77 | 79 | 22° | 22° | 76 | 71 |
| October | 62 | 56 | 18° | 17° | 91 | 89 |
| November | 18 | 18 | 11° | 11° | 96 | 97 |
| December | 0 | 0 | 6° | 6° | 106 | 86 |
The sunnier month by month: Jan even · Feb even · Mar Grenoble · Apr even · May Grenoble · Jun Grenoble · Jul Grenoble · Aug Grenoble · Sep even · Oct Geneva · Nov even · Dec even.
When to pick which
- November–February: too close to call — Geneva averages 5/100, Grenoble 5/100. Daytime highs are similar (7°C vs 8°C). See the winter sun ranking.
- March–May: Grenoble (average score 51/100 vs 45). Daytime highs are similar (15°C vs 16°C).
- June–August: Grenoble (average score 78/100 vs 73). Daytime highs are similar (26°C vs 25°C).
- September–October: too close to call — Geneva averages 70/100, Grenoble 68/100. Daytime highs are similar (20°C vs 20°C).
Full month-by-month guides: Geneva weather by month · Grenoble weather by month · Best time to visit Switzerland · Best time to visit France.
More comparisons: Geneva vs Turin · Geneva vs Lyon · Geneva vs Bern · Grenoble vs Turin · Grenoble vs Lyon · all head-to-heads