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When to go · Chiayi County

Chiayi County in May

Mixed month. Outside the best window (Oct–Nov, Mar–Apr). Across Taiwan: Plum rains start late in the month; firefly season in the hills.

Key facts

Verdict
Mixed
Temperature
31°C (88°F) / 23°C (73°F)
average high / low
Rain days
9
Crowds
Medium
Taiwan overall
Prices
Medium
Taiwan overall

Verdict

MixedTaiwan month rating

Outside the best window (Oct–Nov, Mar–Apr). Across Taiwan: Plum rains start late in the month; firefly season in the hills.

Is another month better than May?

May is rated mixed. These months rate higher:

Weather in May

Long-term averages
  • Chiayi CountyHighs around 31 °C (88 °F), lows around 23 °C (73 °F), rain on about 9 days

Crowds and prices

Crowds · Taiwan overall
Medium
Prices · Taiwan overall
Medium

Taiwan overall: Plum rains start late in the month; firefly season in the hills.

Compare two months

Weather, crowds and prices for any two months in Chiayi County, side by side.

  • Verdict

    May: Mixed

    Mar: Great (better)

  • Daytime high

    May: 31 °C (88 °F)

    Mar: 26 °C (79 °F)

  • Night low

    May: 23 °C (73 °F)

    Mar: 18 °C (64 °F)

  • Rain days

    May: 9

    Mar: 6 (better)

  • Crowds

    May: Medium

    Mar: Medium

  • Prices

    May: Medium

    Mar: Medium

  • Festivals listed

    May: 0

    Mar: 0

May: Outside the best window (Oct–Nov, Mar–Apr). Across Taiwan: Plum rains start late in the month; firefly season in the hills.

March: Inside Chiayi County's best window: Oct–Nov, Mar–Apr.

Chiayi County: figures are long-term averages from this guide, not a forecast.

What to pack

  • Light, breathable clothes, a sun hat and sunscreen

Build the full packing list for your trip →

Across Taiwan in May →