✓ Best most reliable weather · ~ Okay visitable, with trade-offs · ✕ Avoid monsoon, storms, heat or disruption (often cheaper). The split between best and okay is editorial guidance based on the met-service and tourism-board sources below.
Region by region
Seoul, Busan, JejuBest: Apr-May, Sep-Oct. Okay: Mar, Nov (cold for most Indians; Seoul Nov 12/2 C), Jun, Aug, Dec-Feb (ski/snow; Seoul Jan -6 C lows). Avoid: Jul (jangma rainy season; Seoul's wettest month, 282 mm in our data).KTO: spring and fall are best for walking; rainy season late Jun-late Jul; Jun-Oct is typhoon season; winter averages 0-1 C.
Peak periods
Diwali 8 NovDiwali (8 Nov 2026)Short-haul international fares spike; Dubai and Singapore routes 'commanding premium fares' and outbound sales to Dubai, Bali, Bangkok, Singapore, Vietnam up 30-40% vs Diwali 2024 (Moneycontrol, Oct 2025, quoting OTAs)
School holsIndian school holidays (mid-May to June)Family travel peak from India. Clashes with SW monsoon in Sri Lanka west coast, Maldives, Andaman coast of Thailand, Nepal, Bhutan; and with heat in UAE. Good fit for Bali, east-coast Sri Lanka, Singapore, Vietnam's central coast.
Xmas–NYChristmas–New Year(Editorial estimate) Global peak; overlaps Dubai Shopping Festival and Japan's New Year closures.
South KoreaSeollal 6-9 Feb 2027 and Chuseok 14-16 Sep 2027 (KASI): domestic travel peaks.
Weather data by Open-Meteo.com, licensed CC BY 4.0. Climate averages are 2016–2025 ERA5 / ERA5-Land reanalysis (Copernicus Climate Change Service, ECMWF), processed by India Outbound Travel News. These are not official WMO normals; where a met service publishes station figures, the charts use them instead, as labelled.
Indians are not eligible for K-ETA and need a sticker visa for South Korea. Single-entry fee is Rs 3,600 from 1 Aug 2026, plus Rs 1,600 VFS service charge. Group visa fees are waived to 31 Dec 2026, and Jeju allows 30 days visa-free on direct arrival.
· 5 min read · ✓ Verified
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