| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 9.2° | — | 51mm | 7.4 | 51 |
| February | 10.3° | — | 68.1mm | 7.5 | 54 |
| March | 14.1° | — | 127.5mm | 9.8 | 62 |
| April | 19.3° | — | 184.6mm | 10.4 | 77 |
| May | 23.6° | — | 167.6mm | 10 | 80 |
| June | 26.6° | — | 244.4mm | 12.6 | 75 |
| July | 30.3° | — | 214.3mm | 12.8 | 61 |
| August | 31.9° | — | 197.4mm | 11.3 | 58 |
| September | 28° | — | 297.8mm | 12.9 | 70 |
| October | 22.8° | — | 190.3mm | 9.5 | 81 |
| November | 17.2° | — | 74.7mm | 7 | 77 |
| December | 11.6° | — | 62.2mm | 7.4 | 58 |
January in Suzuka averages a daily high of 9.2°C. Expect roughly 7.4 wet days totalling 51mm. Demanding conditions — pack for it and plan indoor options.
February in Suzuka averages a daily high of 10.3°C. Expect roughly 7.5 wet days totalling 68.1mm. Demanding conditions — pack for it and plan indoor options.
March in Suzuka averages a daily high of 14.1°C. Expect roughly 9.8 wet days totalling 127.5mm. Generally workable, with some weather to plan around.
April in Suzuka averages a daily high of 19.3°C. Expect roughly 10.4 wet days totalling 184.6mm. Comfortable conditions for being outdoors all day.
May in Suzuka averages a daily high of 23.6°C. Expect roughly 10 wet days totalling 167.6mm. Comfortable conditions for being outdoors all day.
June in Suzuka averages a daily high of 26.6°C. Expect roughly 12.6 wet days totalling 244.4mm. Comfortable conditions for being outdoors all day.
July in Suzuka averages a daily high of 30.3°C. Expect roughly 12.8 wet days totalling 214.3mm. Generally workable, with some weather to plan around.
August in Suzuka averages a daily high of 31.9°C. Expect roughly 11.3 wet days totalling 197.4mm. Generally workable, with some weather to plan around.
September in Suzuka averages a daily high of 28°C. Expect roughly 12.9 wet days totalling 297.8mm. Generally workable, with some weather to plan around.
October in Suzuka averages a daily high of 22.8°C. Expect roughly 9.5 wet days totalling 190.3mm. Comfortable conditions for being outdoors all day.
November in Suzuka averages a daily high of 17.2°C. Expect roughly 7 wet days totalling 74.7mm. Comfortable conditions for being outdoors all day.
December in Suzuka averages a daily high of 11.6°C. Expect roughly 7.4 wet days totalling 62.2mm. 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. Suzuka peaks at 81.
Based on 30 years of records, April–June scores highest for comfort in Suzuka, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 31.9°C.
September is the wettest, averaging 297.8mm of rain across roughly 12.9 wet days.
January is the coolest month, with average daily highs around 9.2°C.