| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 6.4° | — | 0mm | 0 | 56 |
| February | 8.5° | — | 0.8mm | 1 | 61 |
| March | 12.4° | — | 57.3mm | 5 | 66 |
| April | 17.2° | — | 80.3mm | 2 | 87 |
| May | 21.8° | — | 114mm | 5 | 90 |
| June | 24.3° | — | 186.9mm | 7 | 86 |
| July | 27.2° | — | 605.8mm | 18.8 | 69 |
| August | 28.9° | — | 295.7mm | 13 | 66 |
| September | 25.8° | — | 128.5mm | 8 | 84 |
| October | 21.3° | — | — | — | 94 |
| November | 14.9° | — | — | — | 78 |
| December | 8.8° | — | — | — | 58 |
January in Gwangyang averages a daily high of 6.4°C. Rain is rare — about 0 wet days and 0mm across the month. Generally workable, with some weather to plan around.
February in Gwangyang averages a daily high of 8.5°C. Rain is rare — about 1 wet days and 0.8mm across the month. Generally workable, with some weather to plan around.
March in Gwangyang averages a daily high of 12.4°C. Expect roughly 5 wet days totalling 57.3mm. Generally workable, with some weather to plan around.
April in Gwangyang averages a daily high of 17.2°C. Rain is rare — about 2 wet days and 80.3mm across the month. Comfortable conditions for being outdoors all day.
May in Gwangyang averages a daily high of 21.8°C. Expect roughly 5 wet days totalling 114mm. Comfortable conditions for being outdoors all day.
June in Gwangyang averages a daily high of 24.3°C. Expect roughly 7 wet days totalling 186.9mm. Comfortable conditions for being outdoors all day.
July in Gwangyang averages a daily high of 27.2°C. Expect roughly 18.8 wet days totalling 605.8mm. Generally workable, with some weather to plan around.
August in Gwangyang averages a daily high of 28.9°C. Expect roughly 13 wet days totalling 295.7mm. Generally workable, with some weather to plan around.
September in Gwangyang averages a daily high of 25.8°C. Expect roughly 8 wet days totalling 128.5mm. Comfortable conditions for being outdoors all day.
October in Gwangyang averages a daily high of 21.3°C. Comfortable conditions for being outdoors all day.
November in Gwangyang averages a daily high of 14.9°C. Comfortable conditions for being outdoors all day.
December in Gwangyang averages a daily high of 8.8°C. 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. Gwangyang peaks at 94.
Based on 30 years of records, April–June scores highest for comfort in Gwangyang, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 28.9°C.
July is the wettest, averaging 605.8mm of rain across roughly 18.8 wet days.
January is the coolest month, with average daily highs around 6.4°C.