January
- • New Year celebrations at CentralWorld
- • Chinese New Year preparations in Yaowarat
- • Bangkok Art Biennale (if running)
February
- • Chinese New Year in Chinatown (Yaowarat)
- • Makha Bucha Day temple ceremonies
- • Valentine's Day riverside dining events
March
- • Kite flying season on Sanam Luang
- • Jazz festivals
- • International Women's Day events
April
- • Songkran Water Festival (13-15 April) — Silom Road and Khao San Road are epicentres
- • Thai New Year celebrations
- • Chakri Memorial Day
May
- • Royal Ploughing Ceremony at Sanam Luang
- • Visakha Bucha Day
- • Start of green season discounts
June
- • Bangkok International Film Festival
- • Mid-year sales at major malls
- • Mango season at its peak
July
- • Asanha Bucha Day
- • Start of Buddhist Lent (Khao Phansa)
- • Thailand mid-year sales
August
- • Mother's Day (Queen's Birthday, 12 August)
- • Bangkok street food festivals
- • Hungry Ghost Festival in Chinatown
September
- • Vegetarian Festival preparations
- • Bangkok Design Week (some years)
- • Moon cake season in Yaowarat
October
- • Vegetarian Festival (9 days)
- • King Chulalongkorn Memorial Day
- • End of Buddhist Lent (Ok Phansa)
November
- • Loy Krathong along Chao Phraya River
- • Bangkok Marathon
- • Cool season begins — rooftop bar season
December
- • King's Birthday / Father's Day (5 December)
- • Christmas markets at hotels
- • New Year's Eve countdown at CentralWorld