| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 10.6° | — | 62.6mm | 6.5 | 57 |
| February | 11.5° | — | 110.5mm | 8.1 | 57 |
| March | 14.3° | — | 151.4mm | 10.6 | 61 |
| April | 18.5° | — | 210mm | 11.5 | 72 |
| May | 22.1° | — | 217.1mm | 10.3 | 79 |
| June | 24.5° | — | 263.9mm | 12.9 | 74 |
| July | 28.2° | — | 223.4mm | 11.5 | 72 |
| August | 29.9° | — | 190.2mm | 9.3 | 70 |
| September | 27.5° | — | 217.7mm | 12 | 74 |
| October | 23.1° | — | 277.5mm | 10.8 | 78 |
| November | 18.2° | — | 141mm | 8.4 | 77 |
| December | 13.1° | — | 79.7mm | 6 | 66 |
January in Kakegawa averages a daily high of 10.6°C. Expect roughly 6.5 wet days totalling 62.6mm. Generally workable, with some weather to plan around.
February in Kakegawa averages a daily high of 11.5°C. Expect roughly 8.1 wet days totalling 110.5mm. Generally workable, with some weather to plan around.
March in Kakegawa averages a daily high of 14.3°C. Expect roughly 10.6 wet days totalling 151.4mm. Generally workable, with some weather to plan around.
April in Kakegawa averages a daily high of 18.5°C. Expect roughly 11.5 wet days totalling 210mm. Generally workable, with some weather to plan around.
May in Kakegawa averages a daily high of 22.1°C. Expect roughly 10.3 wet days totalling 217.1mm. Comfortable conditions for being outdoors all day.
June in Kakegawa averages a daily high of 24.5°C. Expect roughly 12.9 wet days totalling 263.9mm. Generally workable, with some weather to plan around.
July in Kakegawa averages a daily high of 28.2°C. Expect roughly 11.5 wet days totalling 223.4mm. Generally workable, with some weather to plan around.
August in Kakegawa averages a daily high of 29.9°C. Expect roughly 9.3 wet days totalling 190.2mm. Generally workable, with some weather to plan around.
September in Kakegawa averages a daily high of 27.5°C. Expect roughly 12 wet days totalling 217.7mm. Generally workable, with some weather to plan around.
October in Kakegawa averages a daily high of 23.1°C. Expect roughly 10.8 wet days totalling 277.5mm. Comfortable conditions for being outdoors all day.
November in Kakegawa averages a daily high of 18.2°C. Expect roughly 8.4 wet days totalling 141mm. Comfortable conditions for being outdoors all day.
December in Kakegawa averages a daily high of 13.1°C. Expect roughly 6 wet days totalling 79.7mm. 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. Kakegawa peaks at 79.
Based on 30 years of records, April–July scores highest for comfort in Kakegawa, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 29.9°C.
October is the wettest, averaging 277.5mm of rain across roughly 10.8 wet days.
January is the coolest month, with average daily highs around 10.6°C.