Trieste vs Rijeka(Omišalj): which is sunnier?
🇮🇹 Italy vs 🇭🇷 Croatia · 109 km apart · long-term climate normals (NASA POWER, 2001–2020)
Trieste is the sunnier overall: about 2,292 hours of sunshine a year to Rijeka(Omišalj)'s 2,004. Rijeka(Omišalj) has the higher Sunshine Score in 4 of 12 months, Trieste in 3 (5 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
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At a glance
| Trieste | Rijeka(Omišalj) | |
|---|---|---|
| Sunshine hours / year | 2,292 | 2,004 |
| Sunniest month | July (77/100) | July (81/100) |
| Nov–Feb average score | 7/100 | 13/100 |
| Jun–Aug average score | 76/100 | 79/100 |
| Rain / year | 1,094 mm | 1,089 mm |
| Warmest sea | 28°C / 82°F | 27°C / 81°F |
| Peak midday UV | 7 (high) | 6 (high) |
Trieste vs Rijeka(Omišalj) month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| Trieste | Rijeka(Omišalj) | Trieste | Rijeka(Omišalj) | Trieste | Rijeka(Omišalj) | Trieste | Rijeka(Omišalj) | |
| January | 0 | 0 | 6° | 8° | 65 | 86 | 9° | 14° |
| February | 0 | 6 | 8° | 9° | 76 | 93 | 9° | 13° |
| March | 33 | 25 | 13° | 12° | 77 | 77 | 13° | 13° |
| April | 65 | 51 | 18° | 16° | 75 | 72 | 16° | 15° |
| May | 75 | 74 | 22° | 20° | 95 | 88 | 19° | 19° |
| June | 76 | 78 | 27° | 24° | 86 | 66 | 24° | 23° |
| July | 77 | 81 | 30° | 27° | 81 | 51 | 28° | 27° |
| August | 75 | 77 | 30° | 27° | 95 | 72 | 28° | 27° |
| September | 71 | 68 | 24° | 23° | 116 | 122 | 24° | 23° |
| October | 60 | 58 | 18° | 18° | 111 | 114 | 19° | 19° |
| November | 29 | 32 | 13° | 14° | 121 | 140 | 15° | 17° |
| December | 0 | 12 | 8° | 10° | 96 | 108 | 10° | 15° |
The sunnier month by month: Jan even · Feb Rijeka(Omišalj) · Mar Trieste · Apr Trieste · May even · Jun even · Jul Rijeka(Omišalj) · Aug even · Sep Trieste · Oct even · Nov Rijeka(Omišalj) · Dec Rijeka(Omišalj).
When to pick which
- November–February: Rijeka(Omišalj) (average score 13/100 vs 7). Daytime highs are similar (9°C vs 10°C). See the winter sun ranking.
- March–May: Trieste (average score 58/100 vs 50). Trieste is the warmer, around 18°C daytime highs vs 16°C.
- June–August: Rijeka(Omišalj) (average score 79/100 vs 76). Trieste is the warmer, around 29°C daytime highs vs 26°C.
- September–October: Trieste (average score 66/100 vs 63). Daytime highs are similar (21°C vs 21°C).
Sea temperature
Trieste's sea gets warmer: 28°C / 82°F at its peak vs 27°C. Swimmable water (21°C+): Trieste about 4 months a year, Rijeka(Omišalj) about 4 months a year. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: Trieste weather by month · Rijeka(Omišalj) weather by month · Best time to visit Italy · Best time to visit Croatia.
More comparisons: Trieste vs Ljubljana · Trieste vs Venice · Trieste vs Pula · Rijeka(Omišalj) vs Zagreb · Rijeka(Omišalj) vs Ljubljana · Rijeka(Omišalj) vs Zadar · all head-to-heads