South Korea
Best Time to Visit
Jeju Island
Visit in June — score 73/100 · avg high 77°F · 15 rainy days
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See how the best month changes based on your travel style
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Monthly Travel Scores
How we scoreScores reflect weather comfort (35%), dry days (35%), daylight hours (15%), crowd levels (10%), and cost (5%) — weighted for typical travelers preferring warm, dry conditions. Customize weights in the interactive tool.January
February
March
April
May
#2June
#1July
#3August
September
October
November
December
Monthly Weather Data
| Month | Score | Avg °F | High °F | Low °F | Rain Days | Precip (mm) | Daylight | Crowds | Cost |
|---|---|---|---|---|---|---|---|---|---|
| January | 19 | 42° | 46° | 37° | 15 | 98 | 10.0h | High | Average |
| February | 23 | 43° | 47° | 38° | 14 | 100 | 10.8h | High | Average |
| March | 35 | 50° | 56° | 44° | 13 | 127 | 11.8h | High | Above avg |
| April | 57 | 58° | 63° | 52° | 11 | 134 | 12.8h | High | Average |
| May | 73 | 65° | 71° | 59° | 12 | 144 | 13.7h | Moderate | Below avg |
| June | 73 | 72° | 77° | 67° | 15 | 206 | 14.2h | Moderate | Below avg |
| July | 60 | 80° | 84° | 76° | 19 | 226 | 14.0h | Moderate | Below avg |
| August | 54 | 82° | 86° | 78° | 20 | 232 | 13.2h | Moderate | Below avg |
| September | 57 | 75° | 79° | 71° | 21 | 354 | 12.2h | Moderate | Below avg |
| October | 57 | 65° | 69° | 61° | 15 | 175 | 11.1h | Moderate | Average |
| November | 45 | 55° | 60° | 50° | 13 | 109 | 10.2h | Moderate | Average |
| December | 22 | 46° | 50° | 41° | 14 | 83 | 9.8h | High | Above avg |
Seasonal Breakdown
Spring
- Score
- 55/100
- High
- 63°F
- Low
- 52°F
- Rain days
- 12/mo
- Crowds
- high
Spring in Jeju Island (March, April, May) brings average highs of 63°F and lows of 52°F, with about 12 rainy days per month. Expect high tourist crowds and average accommodation rates. The overall travel score averages 55/100, with May being the strongest month of the season at 73/100.
Summer
- Score
- 63/100
- High
- 82°F
- Low
- 74°F
- Rain days
- 18/mo
- Crowds
- moderate
Summer in Jeju Island (June, July, August) brings average highs of 82°F and lows of 74°F, with about 18 rainy days per month. Expect moderate tourist crowds and budget-friendly accommodation rates. The overall travel score averages 63/100, with June being the strongest month of the season at 73/100.
Fall
- Score
- 53/100
- High
- 70°F
- Low
- 61°F
- Rain days
- 16/mo
- Crowds
- moderate
Fall in Jeju Island (September, October, November) brings average highs of 70°F and lows of 61°F, with about 16 rainy days per month. Expect moderate tourist crowds and average accommodation rates. The overall travel score averages 53/100, with October being the strongest month of the season at 57/100.
Winter
- Score
- 22/100
- High
- 48°F
- Low
- 39°F
- Rain days
- 15/mo
- Crowds
- high
Winter in Jeju Island (December, January, February) brings average highs of 48°F and lows of 39°F, with about 15 rainy days per month. Expect high tourist crowds and above average accommodation rates. The overall travel score averages 22/100, with February being the strongest month of the season at 23/100.
Crowd and cost data estimated from regional travel patterns for this destination.
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Frequently Asked Questions
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Fine-Tune Your Jeju Island Trip
Want more control? Adjust the exact weight of every factor — temperature comfort, dry weather, daylight hours, crowd levels, and cost — with interactive sliders and see scores update in real time.