Köln (Cologne) vs Luxembourg: which is sunnier?
🇩🇪 Germany vs 🇱🇺 Luxembourg · 153 km apart · long-term climate normals (NASA POWER, 2001–2020)
Luxembourg is the sunnier overall: about 1,666 hours of sunshine a year to Köln (Cologne)'s 1,545. Köln (Cologne) has the higher Sunshine Score in 5 of 12 months; the other 7 are within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Köln (Cologne) | Luxembourg | |
|---|---|---|
| Sunshine hours / year | 1,545 | 1,666 |
| Sunniest month | September (77/100) | September (78/100) |
| Nov–Feb average score | 2/100 | 0/100 |
| Jun–Aug average score | 74/100 | 76/100 |
| Rain / year | 791 mm | 770 mm |
| Peak midday UV | 5 (moderate) | 6 (high) |
Köln (Cologne) vs Luxembourg month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Köln (Cologne) | Luxembourg | Köln (Cologne) | Luxembourg | Köln (Cologne) | Luxembourg | |
| January | 0 | 0 | 4° | 2° | 74 | 67 |
| February | 0 | 0 | 6° | 4° | 62 | 57 |
| March | 13 | 0 | 10° | 8° | 59 | 57 |
| April | 46 | 40 | 15° | 14° | 44 | 46 |
| May | 69 | 63 | 19° | 18° | 64 | 70 |
| June | 75 | 76 | 23° | 22° | 68 | 68 |
| July | 74 | 76 | 25° | 24° | 75 | 65 |
| August | 73 | 75 | 25° | 24° | 79 | 72 |
| September | 77 | 78 | 21° | 20° | 57 | 56 |
| October | 44 | 38 | 15° | 14° | 61 | 65 |
| November | 6 | 0 | 9° | 7° | 71 | 68 |
| December | 0 | 0 | 5° | 3° | 77 | 79 |
The sunnier month by month: Jan even · Feb even · Mar Köln (Cologne) · Apr Köln (Cologne) · May Köln (Cologne) · Jun even · Jul even · Aug even · Sep even · Oct Köln (Cologne) · Nov Köln (Cologne) · Dec even.
When to pick which
- November–February: too close to call — Köln (Cologne) averages 2/100, Luxembourg 0/100. Köln (Cologne) is the warmer, around 6°C daytime highs vs 4°C. See the winter sun ranking.
- March–May: Köln (Cologne) (average score 43/100 vs 34). Köln (Cologne) is the warmer, around 15°C daytime highs vs 13°C.
- June–August: too close to call — Köln (Cologne) averages 74/100, Luxembourg 76/100. Daytime highs are similar (24°C vs 23°C).
- September–October: Köln (Cologne) (average score 61/100 vs 58). Daytime highs are similar (18°C vs 17°C).
Full month-by-month guides: Köln (Cologne) weather by month · Luxembourg weather by month · Best time to visit Germany.
More comparisons: Köln (Cologne) vs Frankfurt am Main · Köln (Cologne) vs Düsseldorf · Köln (Cologne) vs Dortmund · Luxembourg vs Saarbrücken · Luxembourg vs Strasbourg · all head-to-heads