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Busan Monthly Climate Averages
Busan is situated in humid subtropical zone which is known for warm weather during summer time with high humidity and soft and cool winter with short rainfalls.
To help you choose the best time to travel, you can find climate data below on the weather in Busan .
| Month |  day |
 night |
 rain |
 |
| January | +7.8 | -0.6 | 34 | 10.6h |
| February | +9.8 | +1.1 | 50 | 11.4h |
| March | +13.4 | +4.9 | 81 | 12.4h |
| April | +18.2 | +9.9 | 133 | 13.5h |
| May | +21.7 | +14.1 | 157 | 14.5h |
| June | +24.4 | +17.9 | 207 | 15h |
| July | +27.3 | +21.8 | 317 | 14.7h |
| August | +29.4 | +23.4 | 255 | 13.9h |
| September | +26.3 | +19.5 | 158 | 12.8h |
| October | +22.4 | +14.1 | 58 | 11.7h |
| November | +16.3 | +7.8 | 46 | 10.8h |
| December | +10.5 | +2 | 23 | 10.3h |
The best weather conditions for the beach leisure in Busan are typically July, August, September. Best season with the soft weather for the sightseeing and long walks are April, May, September, October.
Temperature in Busan
The table shows that the hottest months in Busan are August and July, during which the average daytime temperature reaches +29.4°C and the nighttime temperature falls to +23.4°C.
The coldest months are January and February, when the daily average temperature falls to +7.8°C, and drops to -0.6°C during the night.
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Sea temperature
The month with the highest average monthly temperature in the Korea Strait on the beaches of Busan is August with 26.3 degrees.
The coldest water can be found in March — 13.2degrees C.
Precipitation
The largest amount of precipitation falls on average in July and August, up to 317mm, and the least in December and January — up to 23mm.