| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 10.7° | 5.9° | 77.3mm | 9.8 | 51 |
| February | 11.8° | 6.4° | 64.3mm | 8.6 | 57 |
| March | 14.5° | 8.4° | 60.3mm | 8.5 | 65 |
| April | 18.4° | 11.7° | 62.6mm | 9.2 | 76 |
| May | 23.5° | 16.3° | 62.8mm | 8.3 | 83 |
| June | 28.4° | 20.6° | 42.9mm | 6.1 | 82 |
| July | 31.4° | 23.1° | 22.7mm | 3.8 | 75 |
| August | 30.9° | 23° | 42.8mm | 4.5 | 75 |
| September | 25.5° | 18.5° | 81.8mm | 7.1 | 86 |
| October | 20.7° | 15° | 72mm | 7.6 | 85 |
| November | 15.8° | 11° | 126.7mm | 11.1 | 64 |
| December | 12° | 7.5° | 103.2mm | 11.5 | 51 |
January in Split averages a daily high of 10.7°C with nights around 5.9°C. Expect roughly 9.8 wet days totalling 77.3mm. Demanding conditions — pack for it and plan indoor options.
February in Split averages a daily high of 11.8°C with nights around 6.4°C. Expect roughly 8.6 wet days totalling 64.3mm. Generally workable, with some weather to plan around.
March in Split averages a daily high of 14.5°C with nights around 8.4°C. Expect roughly 8.5 wet days totalling 60.3mm. Generally workable, with some weather to plan around.
April in Split averages a daily high of 18.4°C with nights around 11.7°C. Expect roughly 9.2 wet days totalling 62.6mm. Comfortable conditions for being outdoors all day.
May in Split averages a daily high of 23.5°C with nights around 16.3°C. Expect roughly 8.3 wet days totalling 62.8mm. Comfortable conditions for being outdoors all day.
June in Split averages a daily high of 28.4°C with nights around 20.6°C. Expect roughly 6.1 wet days totalling 42.9mm. Comfortable conditions for being outdoors all day.
July in Split averages a daily high of 31.4°C with nights around 23.1°C. Expect roughly 3.8 wet days totalling 22.7mm. Comfortable conditions for being outdoors all day.
August in Split averages a daily high of 30.9°C with nights around 23°C. Expect roughly 4.5 wet days totalling 42.8mm. Comfortable conditions for being outdoors all day.
September in Split averages a daily high of 25.5°C with nights around 18.5°C. Expect roughly 7.1 wet days totalling 81.8mm. Comfortable conditions for being outdoors all day.
October in Split averages a daily high of 20.7°C with nights around 15°C. Expect roughly 7.6 wet days totalling 72mm. Comfortable conditions for being outdoors all day.
November in Split averages a daily high of 15.8°C with nights around 11°C. Expect roughly 11.1 wet days totalling 126.7mm. Generally workable, with some weather to plan around.
December in Split averages a daily high of 12°C with nights around 7.5°C. Expect roughly 11.5 wet days totalling 103.2mm. Demanding conditions — pack for it and plan indoor options.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Split peaks at 86.
Based on 30 years of records, May–June scores highest for comfort in Split, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 31.4°C.
November is the wettest, averaging 126.7mm of rain across roughly 11.1 wet days.
January is the coolest month, with average daily highs around 10.7°C.