Haikou Annual Temperature Overview

  • January: ~16.8 °C (62.3 °F) – ~20.3 °C (68.5 °F)
  • February: ~17.9 °C (64.3 °F) – ~22.1 °C (71.7 °F)
  • March: ~20.4 °C (68.7 °F) – ~25.1 °C (77.1 °F)
  • April: ~23.4 °C (74 °F) – ~28.2 °C (82.8 °F)
  • May: ~25.5 °C (77.9 °F) – ~30.0 °C (86.1 °F)
  • June: ~26.7 °C (80.1 °F) – ~31.1 °C (88.1 °F)
  • July: ~26.7 °C (80 °F) – ~31.1 °C (88 °F)
  • August: ~26.3 °C (79.4 °F) – ~30.3 °C (86.5 °F)
  • September: ~25.5 °C (77.9 °F) – ~29.2 °C (84.5 °F)
  • October: ~24.1 °C (75.3 °F) – ~27.3 °C (81.2 °F)
  • November: ~21.8 °C (71.3 °F) – ~24.8 °C (76.7 °F)
  • December: ~18.3 °C (65 °F) – ~21.2 °C (70.2 °F)

Haikou Monthly Climate, Clothing Tips, and Travel Suggestions

January: Mild Winter with Comfortable Days

  • Season: Winter
  • Average Temperature: Lowest ~16.8 °C (62.3 °F), Highest ~20.3 °C (68.5 °F)
  • Clothing Suggestions: Long-sleeve shirts, light sweater, a casual jacket for evenings
  • Do You Need an Umbrella?: Rainfall is low; an umbrella is optional

February: Pleasant Breeze and Gentle Warming

  • Season: Winter → Early Spring
  • Average Temperature: Lowest ~17.9 °C (64.3 °F), Highest ~22.1 °C (71.7 °F)
  • Clothing Suggestions: T-shirts, layered with a light sweater for cooler hours
  • Do You Need an Umbrella?: Mostly dry; an umbrella isn’t necessary

March: Spring Weather Arrives

  • Season: Spring
  • Average Temperature: Lowest ~20.4 °C (68.7 °F), Highest ~25.1 °C (77.1 °F)
  • Clothing Suggestions: Short-sleeve shirts, light pants, breathable fabrics
  • Do You Need an Umbrella?: Some spring showers possible; carrying one is recommended

April: Warm and Pleasant, Pre-Monsoon Conditions

  • Season: Spring
  • Average Temperature: Lowest ~23.4 °C (74 °F), Highest ~28.2 °C (82.8 °F)
  • Clothing Suggestions: Lightweight tops, shorts, sun protection
  • Do You Need an Umbrella?: Rainfall increases; bring an umbrella

May: Hotter Days and Early Summer Heat

  • Season: Summer
  • Average Temperature: Lowest ~25.5 °C (77.9 °F), Highest ~30.0 °C (86.1 °F)
  • Clothing Suggestions: Shorts, T-shirts, swimwear, sunglasses
  • Do You Need an Umbrella?: Yes — rainy season begins

June: Hot, Humid, and Frequent Showers

  • Season: Summer
  • Average Temperature: Lowest ~26.7 °C (80.1 °F), Highest ~31.1 °C (88.1 °F)
  • Clothing Suggestions: Moisture-wicking fabrics, sunhat, beachwear
  • Do You Need an Umbrella?: Definitely — heavy rainfall is common

July: Peak Summer Heat

  • Season: Summer
  • Average Temperature: Lowest ~26.7 °C (80 °F), Highest ~31.1 °C (88 °F)
  • Clothing Suggestions: Shorts, sleeveless tops, sun protection
  • Do You Need an Umbrella?: Yes — high rainfall and occasional storms

August: Hot Temperatures with Rainy Conditions

  • Season: Summer → Late Summer
  • Average Temperature: Lowest ~26.3 °C (79.4 °F), Highest ~30.3 °C (86.5 °F)
  • Clothing Suggestions: Very breathable clothing, quick-dry fabrics
  • Do You Need an Umbrella?: Absolutely — strong rain showers possible

September: Warm with Decreasing Rainfall

  • Season: Autumn
  • Average Temperature: Lowest ~25.5 °C (77.9 °F), Highest ~29.2 °C (84.5 °F)
  • Clothing Suggestions: T-shirts, long sleeves for evenings
  • Do You Need an Umbrella?: Still needed but less frequent than summer

October: Comfortable Autumn Weather

  • Season: Autumn
  • Average Temperature: Lowest ~24.1 °C (75.3 °F), Highest ~27.3 °C (81.2 °F)
  • Clothing Suggestions: Short sleeves, light jacket in morning/evening
  • Do You Need an Umbrella?: Rainfall decreases; optional

November: Mild Weather, Great for Outdoor Travel

  • Season: Autumn
  • Average Temperature: Lowest ~21.8 °C (71.3 °F), Highest ~24.8 °C (76.7 °F)
  • Clothing Suggestions: Light sweater or jacket, comfortable daywear
  • Do You Need an Umbrella?: Little rainfall; umbrella optional

December: Cool and Comfortable Winter

  • Season: Winter
  • Average Temperature: Lowest ~18.3 °C (65 °F), Highest ~21.2 °C (70.2 °F)
  • Clothing Suggestions: Long-sleeve shirts, light jackets
  • Do You Need an Umbrella?: Very low rainfall; umbrella rarely needed

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