Weather

Ulsan weather

South Korea · 7-day forecast, monthly climate and when to visit

Reviewed & updated by יהב עטיה · About the team

Right now in Ulsan it's 16°, Partly cloudy. The nicest time to visit is usually Jun, Jul, Sep. Below: a 7-day forecast and the average climate month by month, from MET Norway, climate from Open-Meteo.

The week ahead

7-day forecast for Ulsan

Today19°16°Fair
Sat26°17°Fog0.2 מ״מ
Sun26°18°Partly cloudy
Mon26°18°Partly cloudy4.5 מ״מ
Tue25°15°Fair4.6 מ״מ
Wed21°11°Clear sky
Thu22°8°Clear sky

Climate by month

Temperature & rainfall in Ulsan

Multi-year normals, 1991–2020 — the baseline for picking your month.

Avg temp (°C) Rainfall (mm)Source: Open-Meteo climate normals 1991–2020

Month by month

Ulsan through the year

Januarycold and dry

2°1 מ״מ

Ulsan in January: cold and dry. what to do in Ulsan · attractions & tickets

Februarycold and dry

3°2 מ״מ

Ulsan in February: cold and dry. what to do in Ulsan · attractions & tickets

Marchcool and dry

8°2 מ״מ

Ulsan in March: cool and dry. what to do in Ulsan · attractions & tickets

Aprilcool and dry

12°3 מ״מ

Ulsan in April: cool and dry. what to do in Ulsan · attractions & tickets

Maycool and dry

17°3 מ״מ

Ulsan in May: cool and dry. what to do in Ulsan · attractions & tickets

Junemild and dry

21°6 מ״מ

Ulsan in June: mild and dry. what to do in Ulsan · attractions & tickets

Julymild and dry

24°6 מ״מ

Ulsan in July: mild and dry. what to do in Ulsan · attractions & tickets

Augustmild and dry

25°7 מ״מ

Ulsan in August: mild and dry. what to do in Ulsan · attractions & tickets

Septembermild and dry

22°6 מ״מ

Ulsan in September: mild and dry. what to do in Ulsan · attractions & tickets

Octobercool and dry

17°2 מ״מ

Ulsan in October: cool and dry. what to do in Ulsan · attractions & tickets

Novembercool and dry

10°1 מ״מ

Ulsan in November: cool and dry. what to do in Ulsan · attractions & tickets

Decembercold and dry

5°1 מ״מ

Ulsan in December: cold and dry. what to do in Ulsan · attractions & tickets

Questions & answers

Ulsan weather — FAQ

When is the best time to visit Ulsan?

Usually Jun, Jul, Sep — comfortable weather and less rain.

How much daylight in Ulsan?

In January about 9h 52m of daylight (sunset around 17:19), in July about 14h 10m of daylight (sunset around 19:28).

← Full Ulsan guide Weather across South Korea

Plan the trip

Ulsan — flights & hotels

Check prices for your dates. Booking early is well below the last-minute price.

Check flight prices to Ulsan, every airline at once.

Rates in Ulsan shift daily. See what your night costs now.

South Korea weather — all year South Korea visa Hotels in South Korea Flights to South Korea Car rental in South Korea The South Korea guide

About this page

Written and checked by the Around the World team. We compare prices across the major providers, cross-check official sources, and update when something changes. We have no stake in any one provider — links are affiliate links, and the price is the same for you.

Sources: Forecast: MET Norway (CC BY 4.0) · Climate: Open-Meteo · Daylight: astronomical calculation

How we work