Zagreb vs Ljubljana: which is sunnier?
🇭🇷 Croatia vs 🇸🇮 Slovenia · 135 km apart · long-term climate normals (NASA POWER, 2001–2020)
Zagreb and Ljubljana are virtually tied for annual sunshine — about 2,018 vs 1,951 hours a year. Zagreb has the higher Sunshine Score in 4 of 12 months; the other 8 are within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Zagreb | Ljubljana | |
|---|---|---|
| Sunshine hours / year | 2,018 | 1,951 |
| Sunniest month | July (76/100) | July (75/100) |
| Nov–Feb average score | 5/100 | 3/100 |
| Jun–Aug average score | 75/100 | 74/100 |
| Rain / year | 1,010 mm | 1,054 mm |
| Peak midday UV | 7 (high) | 6 (high) |
Zagreb vs Ljubljana month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Zagreb | Ljubljana | Zagreb | Ljubljana | Zagreb | Ljubljana | |
| January | 0 | 0 | 4° | 4° | 66 | 60 |
| February | 0 | 0 | 6° | 5° | 73 | 73 |
| March | 19 | 13 | 11° | 10° | 69 | 71 |
| April | 58 | 51 | 17° | 16° | 74 | 73 |
| May | 72 | 72 | 22° | 20° | 100 | 96 |
| June | 74 | 74 | 26° | 25° | 90 | 88 |
| July | 76 | 75 | 30° | 27° | 78 | 83 |
| August | 75 | 73 | 30° | 27° | 84 | 94 |
| September | 69 | 68 | 23° | 21° | 116 | 118 |
| October | 55 | 47 | 17° | 16° | 92 | 104 |
| November | 18 | 12 | 11° | 10° | 94 | 109 |
| December | 0 | 0 | 5° | 5° | 74 | 85 |
The sunnier month by month: Jan even · Feb even · Mar Zagreb · Apr Zagreb · May even · Jun even · Jul even · Aug even · Sep even · Oct Zagreb · Nov Zagreb · Dec even.
When to pick which
- November–February: too close to call — Zagreb averages 5/100, Ljubljana 3/100. Daytime highs are similar (7°C vs 6°C). See the winter sun ranking.
- March–May: Zagreb (average score 50/100 vs 45). Zagreb is the warmer, around 17°C daytime highs vs 15°C.
- June–August: too close to call — Zagreb averages 75/100, Ljubljana 74/100. Zagreb is the warmer, around 29°C daytime highs vs 26°C.
- September–October: Zagreb (average score 62/100 vs 58). Daytime highs are similar (20°C vs 19°C).
Full month-by-month guides: Zagreb weather by month · Ljubljana weather by month · Best time to visit Croatia.
More comparisons: Zagreb vs Graz · Zagreb vs Banja Luka · Zagreb vs Rijeka(Omišalj) · Ljubljana vs Graz · Ljubljana vs Trieste · Ljubljana vs Rijeka(Omišalj) · all head-to-heads