Iona Climate: Weather by Month and Best Time to Visit
Best months for Iona: November, February, March, December.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 21°C | 15°C | 47 mm | 5 | – | – | 8.3 |
| February | 22°C | 16°C | 37 mm | 5 | – | – | 8.5 |
| March | 24°C | 18°C | 39 mm | 5 | – | – | 8.5 |
| April | 26°C | 20°C | 44 mm | 6 | – | – | 8.3 |
| May | 28°C | 23°C | 60 mm | 8 | – | – | 8.0 |
| June | 30°C | 25°C | 142 mm | 18 | – | – | 6.2 |
| July | 30°C | 26°C | 124 mm | 20 | – | – | 5.9 |
| August | 30°C | 26°C | 132 mm | 21 | – | – | 5.7 |
| September | 30°C | 25°C | 142 mm | 18 | – | – | 6.1 |
| October | 28°C | 23°C | 72 mm | 9 | – | – | 7.9 |
| November | 25°C | 19°C | 32 mm | 4 | – | – | 8.6 |
| December | 23°C | 17°C | 35 mm | 4 | – | – | 8.5 |