| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 6.7° | — | 262.8mm | 23.8 | 27 |
| February | 7.9° | — | 169.2mm | 19.3 | 31 |
| March | 12.7° | — | 159.5mm | 16.7 | 47 |
| April | 18.4° | — | 143.8mm | 13.1 | 69 |
| May | 23.5° | — | 157.2mm | 11.2 | 78 |
| June | 26.8° | — | 141.3mm | 10.9 | 78 |
| July | 30.9° | — | 256.7mm | 14 | 56 |
| August | 32.3° | — | 175.9mm | 10.1 | 59 |
| September | 27.9° | — | 231.1mm | 11.9 | 73 |
| October | 22.3° | — | 165.1mm | 12.2 | 76 |
| November | 16.3° | — | 190.4mm | 16.9 | 58 |
| December | 9.7° | — | 327.4mm | 23.9 | 37 |
January in Sakai averages a daily high of 6.7°C. Expect roughly 23.8 wet days totalling 262.8mm. A hard month to visit for comfort alone.
February in Sakai averages a daily high of 7.9°C. Expect roughly 19.3 wet days totalling 169.2mm. A hard month to visit for comfort alone.
March in Sakai averages a daily high of 12.7°C. Expect roughly 16.7 wet days totalling 159.5mm. Demanding conditions — pack for it and plan indoor options.
April in Sakai averages a daily high of 18.4°C. Expect roughly 13.1 wet days totalling 143.8mm. Generally workable, with some weather to plan around.
May in Sakai averages a daily high of 23.5°C. Expect roughly 11.2 wet days totalling 157.2mm. Comfortable conditions for being outdoors all day.
June in Sakai averages a daily high of 26.8°C. Expect roughly 10.9 wet days totalling 141.3mm. Comfortable conditions for being outdoors all day.
July in Sakai averages a daily high of 30.9°C. Expect roughly 14 wet days totalling 256.7mm. Generally workable, with some weather to plan around.
August in Sakai averages a daily high of 32.3°C. Expect roughly 10.1 wet days totalling 175.9mm. Generally workable, with some weather to plan around.
September in Sakai averages a daily high of 27.9°C. Expect roughly 11.9 wet days totalling 231.1mm. Generally workable, with some weather to plan around.
October in Sakai averages a daily high of 22.3°C. Expect roughly 12.2 wet days totalling 165.1mm. Comfortable conditions for being outdoors all day.
November in Sakai averages a daily high of 16.3°C. Expect roughly 16.9 wet days totalling 190.4mm. Generally workable, with some weather to plan around.
December in Sakai averages a daily high of 9.7°C. Expect roughly 23.9 wet days totalling 327.4mm. 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. Sakai peaks at 78.
Based on 30 years of records, May–June scores highest for comfort in Sakai, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 32.3°C.
December is the wettest, averaging 327.4mm of rain across roughly 23.9 wet days.
January is the coolest month, with average daily highs around 6.7°C.