| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 9.7° | — | 32.3mm | 6.8 | 53 |
| February | 10.6° | — | 52.6mm | 8.6 | 53 |
| March | 14.3° | — | 82.5mm | 11.1 | 60 |
| April | 19.9° | — | 81.5mm | 9.7 | 80 |
| May | 25° | — | 106.2mm | 8.8 | 82 |
| June | 27.7° | — | 158.6mm | 11.8 | 74 |
| July | 31.8° | — | 159.3mm | 11.4 | 58 |
| August | 33.2° | — | 102.3mm | 8.4 | 58 |
| September | 28.9° | — | 156.3mm | 10.4 | 72 |
| October | 23.4° | — | 124.7mm | 9.1 | 82 |
| November | 17.4° | — | 60.6mm | 7.8 | 76 |
| December | 12.2° | — | 46.4mm | 7.1 | 61 |
January in Takamatsu averages a daily high of 9.7°C. Expect roughly 6.8 wet days totalling 32.3mm. Demanding conditions — pack for it and plan indoor options.
February in Takamatsu averages a daily high of 10.6°C. Expect roughly 8.6 wet days totalling 52.6mm. Demanding conditions — pack for it and plan indoor options.
March in Takamatsu averages a daily high of 14.3°C. Expect roughly 11.1 wet days totalling 82.5mm. Generally workable, with some weather to plan around.
April in Takamatsu averages a daily high of 19.9°C. Expect roughly 9.7 wet days totalling 81.5mm. Comfortable conditions for being outdoors all day.
May in Takamatsu averages a daily high of 25°C. Expect roughly 8.8 wet days totalling 106.2mm. Comfortable conditions for being outdoors all day.
June in Takamatsu averages a daily high of 27.7°C. Expect roughly 11.8 wet days totalling 158.6mm. Generally workable, with some weather to plan around.
July in Takamatsu averages a daily high of 31.8°C. Expect roughly 11.4 wet days totalling 159.3mm. Generally workable, with some weather to plan around.
August in Takamatsu averages a daily high of 33.2°C. Expect roughly 8.4 wet days totalling 102.3mm. Generally workable, with some weather to plan around.
September in Takamatsu averages a daily high of 28.9°C. Expect roughly 10.4 wet days totalling 156.3mm. Generally workable, with some weather to plan around.
October in Takamatsu averages a daily high of 23.4°C. Expect roughly 9.1 wet days totalling 124.7mm. Comfortable conditions for being outdoors all day.
November in Takamatsu averages a daily high of 17.4°C. Expect roughly 7.8 wet days totalling 60.6mm. Comfortable conditions for being outdoors all day.
December in Takamatsu averages a daily high of 12.2°C. Expect roughly 7.1 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. Takamatsu peaks at 82.
Based on 30 years of records, April–June scores highest for comfort in Takamatsu, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 33.2°C.
July is the wettest, averaging 159.3mm of rain across roughly 11.4 wet days.
January is the coolest month, with average daily highs around 9.7°C.