Zagreb vs Banja Luka: which is sunnier?
🇭🇷 Croatia vs 🇧🇦 Bosnia & Herzegovina · 131 km apart · long-term climate normals (NASA POWER, 2001–2020)
Zagreb is the sunnier overall: about 2,018 hours of sunshine a year to Banja Luka's 1,935. Banja Luka has the higher Sunshine Score in 6 of 12 months; the other 6 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 | Banja Luka | |
|---|---|---|
| Sunshine hours / year | 2,018 | 1,935 |
| Sunniest month | July (76/100) | July (78/100) |
| Nov–Feb average score | 5/100 | 7/100 |
| Jun–Aug average score | 75/100 | 77/100 |
| Rain / year | 1,010 mm | 857 mm |
| Peak midday UV | 7 (high) | 6 (high) |
Zagreb vs Banja Luka month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Zagreb | Banja Luka | Zagreb | Banja Luka | Zagreb | Banja Luka | |
| January | 0 | 0 | 4° | 4° | 66 | 60 |
| February | 0 | 0 | 6° | 7° | 73 | 59 |
| March | 19 | 26 | 11° | 12° | 69 | 62 |
| April | 58 | 65 | 17° | 18° | 74 | 66 |
| May | 72 | 73 | 22° | 22° | 100 | 91 |
| June | 74 | 74 | 26° | 27° | 90 | 85 |
| July | 76 | 78 | 30° | 30° | 78 | 66 |
| August | 75 | 78 | 30° | 30° | 84 | 67 |
| September | 69 | 74 | 23° | 24° | 116 | 87 |
| October | 55 | 64 | 17° | 18° | 92 | 74 |
| November | 18 | 26 | 11° | 12° | 94 | 72 |
| December | 0 | 0 | 5° | 6° | 74 | 68 |
The sunnier month by month: Jan even · Feb even · Mar Banja Luka · Apr Banja Luka · May even · Jun even · Jul even · Aug Banja Luka · Sep Banja Luka · Oct Banja Luka · Nov Banja Luka · Dec even.
When to pick which
- November–February: too close to call — Zagreb averages 5/100, Banja Luka 7/100. Daytime highs are similar (7°C vs 7°C). See the winter sun ranking.
- March–May: Banja Luka (average score 55/100 vs 50). Daytime highs are similar (17°C vs 17°C).
- June–August: too close to call — Zagreb averages 75/100, Banja Luka 77/100. Daytime highs are similar (29°C vs 29°C).
- September–October: Banja Luka (average score 69/100 vs 62). Daytime highs are similar (20°C vs 21°C).
Full month-by-month guides: Zagreb weather by month · Banja Luka weather by month · Best time to visit Croatia.
More comparisons: Zagreb vs Ljubljana · Zagreb vs Graz · Zagreb vs Rijeka(Omišalj) · Banja Luka vs Sarajevo · Banja Luka vs Split · Banja Luka vs Tuzla · all head-to-heads