| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 20.1° | 9.8° | 54.8mm | 6.3 | 87 |
| February | 19.6° | 10.2° | 65mm | 6.6 | 86 |
| March | 20.1° | 11.7° | 39.2mm | 5.6 | 89 |
| April | 20.9° | 12.9° | 16mm | 2.5 | 95 |
| May | 21.5° | 14.8° | 4.9mm | 1.5 | 97 |
| June | 23° | 16.6° | 0.2mm | 0.2 | 100 |
| July | 25.3° | 18.4° | 0.6mm | 0.3 | 99 |
| August | 26° | 18.7° | 2.2mm | 0.2 | 100 |
| September | 26° | 18.2° | 3mm | 0.7 | 99 |
| October | 24.8° | 16° | 12.5mm | 2.3 | 95 |
| November | 22.5° | 12.4° | 15.3mm | 4.1 | 92 |
| December | 19.5° | 9.6° | 55.7mm | 6.5 | 85 |
January in Gardena averages a daily high of 20.1°C with nights around 9.8°C. Expect roughly 6.3 wet days totalling 54.8mm. Comfortable conditions for being outdoors all day.
February in Gardena averages a daily high of 19.6°C with nights around 10.2°C. Expect roughly 6.6 wet days totalling 65mm. Comfortable conditions for being outdoors all day.
March in Gardena averages a daily high of 20.1°C with nights around 11.7°C. Expect roughly 5.6 wet days totalling 39.2mm. Comfortable conditions for being outdoors all day.
April in Gardena averages a daily high of 20.9°C with nights around 12.9°C. Rain is rare — about 2.5 wet days and 16mm across the month. Comfortable conditions for being outdoors all day.
May in Gardena averages a daily high of 21.5°C with nights around 14.8°C. Rain is rare — about 1.5 wet days and 4.9mm across the month. Comfortable conditions for being outdoors all day.
June in Gardena averages a daily high of 23°C with nights around 16.6°C. Rain is rare — about 0.2 wet days and 0.2mm across the month. Comfortable conditions for being outdoors all day.
July in Gardena averages a daily high of 25.3°C with nights around 18.4°C. Rain is rare — about 0.3 wet days and 0.6mm across the month. Comfortable conditions for being outdoors all day.
August in Gardena averages a daily high of 26°C with nights around 18.7°C. Rain is rare — about 0.2 wet days and 2.2mm across the month. Comfortable conditions for being outdoors all day.
September in Gardena averages a daily high of 26°C with nights around 18.2°C. Rain is rare — about 0.7 wet days and 3mm across the month. Comfortable conditions for being outdoors all day.
October in Gardena averages a daily high of 24.8°C with nights around 16°C. Rain is rare — about 2.3 wet days and 12.5mm across the month. Comfortable conditions for being outdoors all day.
November in Gardena averages a daily high of 22.5°C with nights around 12.4°C. Expect roughly 4.1 wet days totalling 15.3mm. Comfortable conditions for being outdoors all day.
December in Gardena averages a daily high of 19.5°C with nights around 9.6°C. Expect roughly 6.5 wet days totalling 55.7mm. 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. Gardena peaks at 100.
Based on 30 years of records, April–November scores highest for comfort in Gardena, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 26°C.
February is the wettest, averaging 65mm of rain across roughly 6.6 wet days.
December is the coolest month, with average daily highs around 19.5°C.