Click on a day for an hourly weather forecast
The weather in Ulleungdo in August is very hot. The average temperatures are between 23°C and 30°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of August in Ulleungdo. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Ulleungdo in August 2025.
If you’re planning to visit Ulleungdo in the near future, we highly recommend that you review the 14 day weather forecast for Ulleungdo before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -5° | 3 | 22 | 7 | 24 mm | Awful | Ulleungdo in January |
| February | 4° / -2° | 2 | 22 | 4 | 36 mm | Awful | Ulleungdo in February |
| March | 11° / 3° | 4 | 25 | 2 | 60 mm | Bad | Ulleungdo in March |
| April | 17° / 8° | 5 | 25 | 0 | 83 mm | Good | Ulleungdo in April |
| May | 23° / 14° | 5 | 26 | 0 | 118 mm | Perfect | Ulleungdo in May |
| June | 27° / 18° | 6 | 24 | 0 | 142 mm | Perfect | Ulleungdo in June |
| July | 29° / 22° | 11 | 20 | 0 | 424 mm | Ok | Ulleungdo in July |
| August | 30° / 23° | 10 | 21 | 0 | 320 mm | Ok | Ulleungdo in August |
| September | 26° / 18° | 5 | 25 | 0 | 153 mm | Perfect | Ulleungdo in September |
| October | 20° / 12° | 3 | 28 | 0 | 74 mm | Good | Ulleungdo in October |
| November | 12° / 6° | 4 | 24 | 2 | 79 mm | Bad | Ulleungdo in November |
| December | 3° / -3° | 3 | 21 | 7 | 36 mm | Awful | Ulleungdo in December |