| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 10.7° | — | 44.2mm | 5.1 | 60 |
| February | 11.7° | — | 74.7mm | 7.7 | 58 |
| March | 14.9° | — | 90.8mm | 9.8 | 64 |
| April | 19.8° | — | 109.8mm | 9.9 | 80 |
| May | 24.3° | — | 131.5mm | 9.8 | 80 |
| June | 26.8° | — | 294mm | 14 | 72 |
| July | 31.1° | — | 259.1mm | 13.5 | 57 |
| August | 32.4° | — | 184.9mm | 11.5 | 55 |
| September | 28.5° | — | 214.5mm | 10.9 | 72 |
| October | 23.6° | — | 169.4mm | 8.5 | 83 |
| November | 18.2° | — | 69.8mm | 7 | 80 |
| December | 13° | — | 46.4mm | 5.6 | 66 |
January in Saiki averages a daily high of 10.7°C. Expect roughly 5.1 wet days totalling 44.2mm. Generally workable, with some weather to plan around.
February in Saiki averages a daily high of 11.7°C. Expect roughly 7.7 wet days totalling 74.7mm. Generally workable, with some weather to plan around.
March in Saiki averages a daily high of 14.9°C. Expect roughly 9.8 wet days totalling 90.8mm. Generally workable, with some weather to plan around.
April in Saiki averages a daily high of 19.8°C. Expect roughly 9.9 wet days totalling 109.8mm. Comfortable conditions for being outdoors all day.
May in Saiki averages a daily high of 24.3°C. Expect roughly 9.8 wet days totalling 131.5mm. Comfortable conditions for being outdoors all day.
June in Saiki averages a daily high of 26.8°C. Expect roughly 14 wet days totalling 294mm. Generally workable, with some weather to plan around.
July in Saiki averages a daily high of 31.1°C. Expect roughly 13.5 wet days totalling 259.1mm. Generally workable, with some weather to plan around.
August in Saiki averages a daily high of 32.4°C. Expect roughly 11.5 wet days totalling 184.9mm. Generally workable, with some weather to plan around.
September in Saiki averages a daily high of 28.5°C. Expect roughly 10.9 wet days totalling 214.5mm. Generally workable, with some weather to plan around.
October in Saiki averages a daily high of 23.6°C. Expect roughly 8.5 wet days totalling 169.4mm. Comfortable conditions for being outdoors all day.
November in Saiki averages a daily high of 18.2°C. Expect roughly 7 wet days totalling 69.8mm. Comfortable conditions for being outdoors all day.
December in Saiki averages a daily high of 13°C. Expect roughly 5.6 wet days totalling 46.4mm. Generally workable, with some weather to plan around.
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. Saiki peaks at 83.
Based on 30 years of records, April–May scores highest for comfort in Saiki, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 32.4°C.
June is the wettest, averaging 294mm of rain across roughly 14 wet days.
January is the coolest month, with average daily highs around 10.7°C.