| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 22.2° | 15.1° | 18.1mm | 2.9 | 94 |
| February | 22.4° | 15° | 19.3mm | 2.8 | 94 |
| March | 23.2° | 15.4° | 8.5mm | 1.8 | 96 |
| April | 23.6° | 16.2° | 8.2mm | 1.6 | 97 |
| May | 24.6° | 17.4° | 1.1mm | 0.6 | 99 |
| June | 26° | 19° | 0.3mm | 0.3 | 99 |
| July | 28.1° | 20.4° | 0mm | 0 | 96 |
| August | 28.9° | 21.4° | 1.9mm | 0.5 | 91 |
| September | 28° | 21.2° | 6.8mm | 1.3 | 93 |
| October | 27.2° | 20.1° | 12.2mm | 2.5 | 94 |
| November | 25.3° | 18.2° | 13.6mm | 2.3 | 95 |
| December | 23.3° | 16.4° | 29.3mm | 4.1 | 92 |
January in Arona averages a daily high of 22.2°C with nights around 15.1°C. Rain is rare — about 2.9 wet days and 18.1mm across the month. Comfortable conditions for being outdoors all day.
February in Arona averages a daily high of 22.4°C with nights around 15°C. Rain is rare — about 2.8 wet days and 19.3mm across the month. Comfortable conditions for being outdoors all day.
March in Arona averages a daily high of 23.2°C with nights around 15.4°C. Rain is rare — about 1.8 wet days and 8.5mm across the month. Comfortable conditions for being outdoors all day.
April in Arona averages a daily high of 23.6°C with nights around 16.2°C. Rain is rare — about 1.6 wet days and 8.2mm across the month. Comfortable conditions for being outdoors all day.
May in Arona averages a daily high of 24.6°C with nights around 17.4°C. Rain is rare — about 0.6 wet days and 1.1mm across the month. Comfortable conditions for being outdoors all day.
June in Arona averages a daily high of 26°C with nights around 19°C. Rain is rare — about 0.3 wet days and 0.3mm across the month. Comfortable conditions for being outdoors all day.
July in Arona averages a daily high of 28.1°C with nights around 20.4°C. Rain is rare — about 0 wet days and 0mm across the month. Comfortable conditions for being outdoors all day.
August in Arona averages a daily high of 28.9°C with nights around 21.4°C. Rain is rare — about 0.5 wet days and 1.9mm across the month. Comfortable conditions for being outdoors all day.
September in Arona averages a daily high of 28°C with nights around 21.2°C. Rain is rare — about 1.3 wet days and 6.8mm across the month. Comfortable conditions for being outdoors all day.
October in Arona averages a daily high of 27.2°C with nights around 20.1°C. Rain is rare — about 2.5 wet days and 12.2mm across the month. Comfortable conditions for being outdoors all day.
November in Arona averages a daily high of 25.3°C with nights around 18.2°C. Rain is rare — about 2.3 wet days and 13.6mm across the month. Comfortable conditions for being outdoors all day.
December in Arona averages a daily high of 23.3°C with nights around 16.4°C. Expect roughly 4.1 wet days totalling 29.3mm. Comfortable conditions for being outdoors all day.
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. Arona peaks at 99.
Based on 30 years of records, Any time of year scores highest for comfort in Arona, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 28.9°C.
December is the wettest, averaging 29.3mm of rain across roughly 4.1 wet days.
January is the coolest month, with average daily highs around 22.2°C.