| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 5.8° | -1.2° | 34mm | 7 | 36 |
| February | 7.7° | -0.3° | 31mm | 7 | 43 |
| March | 11.7° | 3.3° | 91.8mm | 7.6 | 58 |
| April | 17.2° | 8.1° | 67.6mm | 7.6 | 76 |
| May | 22.3° | 13.1° | 77.4mm | 7.8 | 84 |
| June | 25.7° | 18.2° | 215.8mm | 9.6 | 81 |
| July | 28.3° | 22.2° | 231.6mm | 11.7 | 71 |
| August | 29.9° | 23.5° | 163.6mm | 11.5 | 65 |
| September | 26.5° | 19° | 206.8mm | 8.7 | 83 |
| October | 21.6° | 12.7° | 45.2mm | 5.2 | 90 |
| November | 14.8° | 6.5° | 53.2mm | 8 | 67 |
| December | 8.3° | 0.8° | 30.4mm | 6.4 | 48 |
January in Masan averages a daily high of 5.8°C with nights around -1.2°C. Expect roughly 7 wet days totalling 34mm. Demanding conditions — pack for it and plan indoor options.
February in Masan averages a daily high of 7.7°C with nights around -0.3°C. Expect roughly 7 wet days totalling 31mm. Demanding conditions — pack for it and plan indoor options.
March in Masan averages a daily high of 11.7°C with nights around 3.3°C. Expect roughly 7.6 wet days totalling 91.8mm. Generally workable, with some weather to plan around.
April in Masan averages a daily high of 17.2°C with nights around 8.1°C. Expect roughly 7.6 wet days totalling 67.6mm. Comfortable conditions for being outdoors all day.
May in Masan averages a daily high of 22.3°C with nights around 13.1°C. Expect roughly 7.8 wet days totalling 77.4mm. Comfortable conditions for being outdoors all day.
June in Masan averages a daily high of 25.7°C with nights around 18.2°C. Expect roughly 9.6 wet days totalling 215.8mm. Comfortable conditions for being outdoors all day.
July in Masan averages a daily high of 28.3°C with nights around 22.2°C. Expect roughly 11.7 wet days totalling 231.6mm. Generally workable, with some weather to plan around.
August in Masan averages a daily high of 29.9°C with nights around 23.5°C. Expect roughly 11.5 wet days totalling 163.6mm. Generally workable, with some weather to plan around.
September in Masan averages a daily high of 26.5°C with nights around 19°C. Expect roughly 8.7 wet days totalling 206.8mm. Comfortable conditions for being outdoors all day.
October in Masan averages a daily high of 21.6°C with nights around 12.7°C. Expect roughly 5.2 wet days totalling 45.2mm. Comfortable conditions for being outdoors all day.
November in Masan averages a daily high of 14.8°C with nights around 6.5°C. Expect roughly 8 wet days totalling 53.2mm. Generally workable, with some weather to plan around.
December in Masan averages a daily high of 8.3°C with nights around 0.8°C. Expect roughly 6.4 wet days totalling 30.4mm. Demanding conditions — pack for it and plan indoor options.
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. Masan peaks at 90.
Based on 30 years of records, September–October scores highest for comfort in Masan, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 29.9°C.
July is the wettest, averaging 231.6mm of rain across roughly 11.7 wet days.
January is the coolest month, with average daily highs around 5.8°C.