| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 11.3° | — | 57.2mm | 10 | 52 |
| February | 12.4° | — | 86mm | 9.8 | 56 |
| March | 16.1° | — | 118.4mm | 10.8 | 66 |
| April | 20.5° | — | 117.5mm | 9.4 | 81 |
| May | 24.4° | — | 148.7mm | 9.8 | 80 |
| June | 26.9° | — | 297.9mm | 14.6 | 71 |
| July | 31.2° | — | 222.8mm | 11.3 | 61 |
| August | 32.4° | — | 187.3mm | 11 | 56 |
| September | 29.1° | — | 233.4mm | 11.5 | 69 |
| October | 24.5° | — | 143.2mm | 8.2 | 84 |
| November | 19.3° | — | 95.9mm | 8.6 | 81 |
| December | 13.7° | — | 77.5mm | 10.8 | 58 |
January in Uwajima averages a daily high of 11.3°C. Expect roughly 10 wet days totalling 57.2mm. Demanding conditions — pack for it and plan indoor options.
February in Uwajima averages a daily high of 12.4°C. Expect roughly 9.8 wet days totalling 86mm. Generally workable, with some weather to plan around.
March in Uwajima averages a daily high of 16.1°C. Expect roughly 10.8 wet days totalling 118.4mm. Generally workable, with some weather to plan around.
April in Uwajima averages a daily high of 20.5°C. Expect roughly 9.4 wet days totalling 117.5mm. Comfortable conditions for being outdoors all day.
May in Uwajima averages a daily high of 24.4°C. Expect roughly 9.8 wet days totalling 148.7mm. Comfortable conditions for being outdoors all day.
June in Uwajima averages a daily high of 26.9°C. Expect roughly 14.6 wet days totalling 297.9mm. Generally workable, with some weather to plan around.
July in Uwajima averages a daily high of 31.2°C. Expect roughly 11.3 wet days totalling 222.8mm. Generally workable, with some weather to plan around.
August in Uwajima averages a daily high of 32.4°C. Expect roughly 11 wet days totalling 187.3mm. Generally workable, with some weather to plan around.
September in Uwajima averages a daily high of 29.1°C. Expect roughly 11.5 wet days totalling 233.4mm. Generally workable, with some weather to plan around.
October in Uwajima averages a daily high of 24.5°C. Expect roughly 8.2 wet days totalling 143.2mm. Comfortable conditions for being outdoors all day.
November in Uwajima averages a daily high of 19.3°C. Expect roughly 8.6 wet days totalling 95.9mm. Comfortable conditions for being outdoors all day.
December in Uwajima averages a daily high of 13.7°C. Expect roughly 10.8 wet days totalling 77.5mm. 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. Uwajima peaks at 84.
Based on 30 years of records, April–May scores highest for comfort in Uwajima, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 32.4°C.
June is the wettest, averaging 297.9mm of rain across roughly 14.6 wet days.
January is the coolest month, with average daily highs around 11.3°C.