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Best time to visit · South Korea
October & November are the best time to visit Busan on the climate data: October scores 86/100, with highs around 69°F (21°C) and 3.2 in (81 mm) of rain. March – May and December are good shoulder-season months. The toughest month is July, mainly because of rain.
Highs run from 47°F to 80°F across the year, and the yearly total is about 59.9 in (1521 mm) of rain.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 47°F8°C | 49°F10°C | 54°F12°C | 59°F15°C | 64°F18°C | 69°F21°C | 76°F24°C | 80°F27°C | 76°F24°C | 69°F21°C | 61°F16°C | 51°F11°C |
| Avg low | 41°F5°C | 43°F6°C | 48°F9°C | 54°F12°C | 61°F16°C | 67°F20°C | 74°F23°C | 78°F26°C | 73°F23°C | 66°F19°C | 56°F13°C | 45°F7°C |
| Rain | 1.5 in39 mm | 2.3 in58 mm | 3.4 in87 mm | 5.4 in138 mm | 5.8 in148 mm | 7.0 in177 mm | 11.3 in287 mm | 8.8 in224 mm | 7.4 in187 mm | 3.2 in81 mm | 2.1 in54 mm | 1.6 in41 mm |
| Humidity | 74% | 70% | 70% | 75% | 84% | 89% | 92% | 86% | 79% | 71% | 69% | 74% |
| Cloud | 55% | 60% | 57% | 58% | 62% | 73% | 73% | 66% | 67% | 54% | 51% | 52% |
| Comfort | 63 | 63 | 68 | 70 | 76 | 55 | 46 | 54 | 63 | 86 | 86 | 71 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. The grid cell sits at about 1 m (3 ft), close to Busan's own ~22 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The cold peaks here: highs of 47–51°F (8–11°C), and nights reach 41°F (5°C). It's the driest season, with only about 5.4 in (138 mm) of rain, 9% of the year's total. December score well without being the very best (season average 66/100).
Temperatures climb through the season, from 54°F highs in March to 64°F by May. About 14.7 in (373 mm) of rain falls across these months, 25% of the year's total. Lows bottom out around 48°F (9°C). March – May score well without being the very best (season average 71/100).
Peak warmth: highs of 69–80°F (21–27°C). It's the wettest season, with about 27.1 in (688 mm) of rain, 45% of the year's total. June – August feel humid, with humidity near 89%. It holds the toughest stretch on our comfort score (July), averaging 52/100.
Temperatures slide from 76°F highs in September to 61°F by November. About 12.7 in (322 mm) of rain falls across these months, 21% of the year's total. September feels humid, with humidity near 79%. Comfort peaks here: October & November rank with the year's best, and the season averages 78/100.
By comfort score: 3 Great, 6 Good and 3 Fair. Great months: May and October & November. Tap a month for its own guide.
October & November are the best time to visit Busan on the climate data: October scores 86/100, with highs around 69°F (21°C) and 3.2 in (81 mm) of rain. March – May and December are good shoulder-season months. The toughest month is July, mainly because of rain.
July is the wettest month, averaging about 11.3 in (287 mm) of rain. January is the driest, with about 1.5 in (39 mm). The yearly total is around 59.9 in (1521 mm).
January is the coldest, with average lows of 41°F (5°C) and highs of 47°F (8°C). The warmest is August, with average highs of 80°F (27°C).
Yes: in June – August humidity averages 89% with warm temperatures, so it feels muggy. Summer highs peak around 80°F (27°C).
The wettest three-month stretch is July – September, with about 27.5 in (698 mm) of rain combined. The driest stretch is November – January, with about 5.3 in (134 mm).
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