Xiyu Weather in May

May in Xiyu brings high temperatures, with highs of 27°C (81°F) and nights dropping to 25°C (77°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.

Rainfall in Xiyu in May

As part of the rainy season, Xiyu sees around 17 days of rain in May, with an average of 183 mm (7.2 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.

Temperature in Xiyu in May

May in Xiyu sees highs of 27°C (81°F) and lows of 25°C (77°F) overnight. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.

Sunshine in Xiyu in May

The city usually sees around 174 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).

If your ideal day consists of dry skies and pleasant temperatures, January, February, March, October, November and December typically offer the best circumstances for Xiyu.

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Taiwan, check out our Xiyu's climate page.

Xiyu Temperature in May

Min Temperature 25°C (77°F)

Max Temperature 27°C (81°F)

Chance of Rain 55%

Precipitation 183 mm (7.2 in)

Rainy days 17 days

Humidity 86% *

Sunshine 174 hours *

Percentage Sunshine *

* Data from: Magong City, Taiwan (8 KM, 5 Miles).

Daily Historical Temperatures

43-year average (1976-2025)

Based on our historical records, temperatures in Xiyu typically stay consistent throughout May, with daily highs averaging around 27°C (81°F). Nights are warm, with lows typically ranging from 22°C (72°F) to 25°C (77°F).

Average temperatures in May

Historical weather for Xiyu in May

Browse day-by-day weather records for Xiyu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Xiyu historical weather extremes in May

Based on 20 years of weather observations (2006-2026), these are the most extreme conditions recorded in Xiyu.

The warmest day in May was on May 20, 2025, with a maximum of 33°C (91°F).
On May 2, 2022, Xiyu saw its coldest May day with temperatures maxing out at 22°C (72°F).
The lowest overnight temperature recorded in May was 8°C (46°F) (May 22, 2021).

Best Places in Taiwan in May

Find out more about the weather in Taiwan and which places have the best travel conditions in this month. See all of Taiwan in May →

Weather conditions Weather

Temperatures

Precipitation

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Legend

perfect weather

pleasant

tolerable

unpleasant

poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Xiyu in May

Warm but pleasant conditions in Xiyu in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Xiyu in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Taiwan, check out our Xiyu's climate page.

More climate data for Xiyu

Temperature Rainfall Sunshine Humidity

See the full Xiyu climate overview or explore weather in Taiwan.