Mud festival in South Korea
In July, the peaceful seaside town of Boryeong turned into a chaos of mud for 9 days. We recommend putting this festival on your bucket list.
Siheung Weather in June
Siheung in June averages 25°C (77°F) during the day and 18°C (64°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Siheung in June
Past climate data indicates that roughly 10 days will see rain, totalling around 140 mm (5.5 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Siheung in June
Temperatures in Siheung in June top out at 25°C (77°F) and drop to 18°C (64°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 18°C (64°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Siheung in June
The month enjoys around 215 hours of sunshine, creating mostly sunny days with good weather conditions.Should you favor a climate that's both dry and comfortably warm, May and October typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Siheung Temperature in June
Min Temperature
18°C (64°F)
Max Temperature
25°C (77°F)
Chance of Rain
32%
Precipitation
140 mm (5.5 in)
Rainy days
10 days
Humidity
75% *
Sunshine
215 hours *
Percentage Sunshine
*
* Data from: Incheon, South Korea (13 KM, 8 Miles).
Siheung Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Siheung - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Siheung typically stay consistent throughout June, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows typically ranging from 15°C (59°F) to 20°C (68°F).
Average temperatures in June
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in June
Historical weather records for Siheung in June
Browse day-by-day weather records for Siheung spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Siheung historical weather extremes in June
Based on weather observations in Siheung between 1976 and 2026, these are the recorded extremes during June.
- The warmest day in June was on June 22, 2020, with a maximum of 35°C (95°F).
- On June 3, 1998, Siheung saw its coldest June day with temperatures maxing out at 17°C (63°F).
- The coldest night in June in Siheung was on June 1, 1981, with a minimum of 9°C (48°F).
Best Places in South Korea in June
Find out more about the weather in South Korea and which places have the best travel conditions in this month. See all of South Korea in June →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Siheung in June
Warm weather calls for comfortable, breathable clothing in June. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Siheung in June
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Siheung 3-Day Forecast
More climate data for Siheung
Temperature Rainfall Sunshine Humidity
See the full Siheung climate overview or explore weather in South Korea.
Popular in June
Where to go in June - average daytime high across popular destinations.
Jeonju
28°C (82°F) Seoul
28°C (82°F) Suwon28°C (82°F) Gyeongju27°C (81°F) Seogwipo25°C (77°F) Incheon25°C (77°F) Busan24°C (75°F) Jeju23°C (73°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Mud festival in South Korea
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