| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 1.7° | — | 0.8mm | 1 | 43 |
| February | 5.7° | — | 1.8mm | 2 | 50 |
| March | 11.6° | — | 38.6mm | 3 | 67 |
| April | 18.8° | — | 49.5mm | 10 | 76 |
| May | 24.4° | — | 72.4mm | 6 | 88 |
| June | 28.1° | — | 67.4mm | 6 | 84 |
| July | 29.3° | — | 475.9mm | 18.7 | 61 |
| August | 30° | — | 459.3mm | 16.3 | 58 |
| September | 25.8° | — | — | — | 94 |
| October | 19.9° | — | — | — | 94 |
| November | 11.4° | — | — | — | 66 |
| December | 3.3° | — | — | — | 41 |
January in Chuncheon averages a daily high of 1.7°C. Rain is rare — about 1 wet days and 0.8mm across the month. Demanding conditions — pack for it and plan indoor options.
February in Chuncheon averages a daily high of 5.7°C. Rain is rare — about 2 wet days and 1.8mm across the month. Demanding conditions — pack for it and plan indoor options.
March in Chuncheon averages a daily high of 11.6°C. Expect roughly 3 wet days totalling 38.6mm. Generally workable, with some weather to plan around.
April in Chuncheon averages a daily high of 18.8°C. Expect roughly 10 wet days totalling 49.5mm. Comfortable conditions for being outdoors all day.
May in Chuncheon averages a daily high of 24.4°C. Expect roughly 6 wet days totalling 72.4mm. Comfortable conditions for being outdoors all day.
June in Chuncheon averages a daily high of 28.1°C. Expect roughly 6 wet days totalling 67.4mm. Comfortable conditions for being outdoors all day.
July in Chuncheon averages a daily high of 29.3°C. Expect roughly 18.7 wet days totalling 475.9mm. Generally workable, with some weather to plan around.
August in Chuncheon averages a daily high of 30°C. Expect roughly 16.3 wet days totalling 459.3mm. Generally workable, with some weather to plan around.
September in Chuncheon averages a daily high of 25.8°C. Comfortable conditions for being outdoors all day.
October in Chuncheon averages a daily high of 19.9°C. Comfortable conditions for being outdoors all day.
November in Chuncheon averages a daily high of 11.4°C. Generally workable, with some weather to plan around.
December in Chuncheon averages a daily high of 3.3°C. 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. Chuncheon peaks at 94.
Based on 30 years of records, September–October scores highest for comfort in Chuncheon, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 30°C.
July is the wettest, averaging 475.9mm of rain across roughly 18.7 wet days.
January is the coolest month, with average daily highs around 1.7°C.