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Bangkok Weather in April — What to Expect
City Guide4 min read

Bangkok Weather in April — What to Expect

March 27, 2026

Overview

Bangkok, Thailand — April is the hottest month of the year and home to the legendary Songkran water festival. Whether you are planning a holiday or a business trip, understanding the weather helps you pack right and make the most of your time.

Temperature

Daytime highs reach 35°C (95°F) while nights cool to 26°C (79°F). Expect around 8 hours of sunshine per day.

Rainfall

Bangkok sees about 85mm of rainfall across 8 days during this period. Showers are fairly regular — keep an umbrella handy when you head out.

Humidity and Comfort

Average humidity sits at 80%. Combined with the heat this can feel oppressive. Stay hydrated, wear breathable fabrics, and take advantage of air-conditioned spaces during peak afternoon hours.

What to Pack

  • Lightweight breathable clothing in cotton or linen
  • High-SPF sunscreen, sunglasses, and a wide-brimmed hat
  • Compact umbrella or light rain jacket
  • Moisture-wicking fabrics and a refillable water bottle
  • Comfortable walking shoes suited to the terrain

Best Things to Do

  • Explore the Grand Palace and Wat Pho before the midday heat
  • Join Songkran water-fight celebrations on Khao San Road
  • Cruise the Chao Phraya River on a long-tail boat at sunset
  • Browse Chatuchak Weekend Market in the cool morning hours

Travel Tips

  • Avoid outdoor sightseeing between noon and 3 pm when heat peaks
  • Carry a towel and waterproof phone case during Songkran week
  • Air-conditioned malls like Siam Paragon make great afternoon retreats

Quick Summary

MetricValue
Daytime High35°C (95°F)
Nighttime Low26°C (79°F)
Rainfall85mm over 8 days
Humidity80%
Sunshine8 hrs/day

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