Chiayi County (Alishan)
May
Weather in Chiayi County for May 2025
Your guide to Chiayi County weather in May - trends and predictions
Until now, May 2025 in Chiayi County has been nearly identical to the historical average, with a temperature of 29.9 °C (showing only a slight deviation of -0.1 °C).
Expect cooler weather in the next days in Chiayi County with the forecast suggesting a temperature of 26.8 °C, lower than the historical average.
In general, the average temperature in Chiayi County at the beginning of May is 30 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 28.9 °C by the end of May.
Chiayi County experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 212.3 mm.
Temperatures
Rain 🌧️
10
Dry days
21
Rainy days
0
Snow days
28°/20°
Temperatures
10 km/h
Avg max wind
78 %
Avg humidity
Chiayi County Weather May
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Temperatures trend during May in Chiayi County
See the weather trend as well as the moving average line
May weather in Chiayi County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Moderate or heavy rain shower | 29° /18° | 19.5 mm | 7 | |
| 2 May |  Light rain shower | 29° /19° | 6.7 mm | 7 | |
| 3 May | Patchy rain possible | 30° /21° | 0.7 mm | 7 | |
| 4 May | Light rain shower | 30° /21° | 2.3 mm | 7 | |
| 5 May | Light rain shower | 32° /21° | 3.6 mm | 7 | |
| 6 May | Patchy rain possible | 32° /22° | 2.3 mm | 7 | |
| 7 May | Patchy rain possible | 28° /20° | 8.1 mm | 6 | |
| 8 May | Light rain shower | 30° /19° | 9 mm | 7 | |
| 9 May | Patchy rain possible | 34° /20° | 4.8 mm | 2.8 | |
| 10 May |  Heavy rain | 30° /23° | 24.1 mm | 2.3 | |
| 11 May | Heavy rain | 21° /19° | 43.7 mm | 0.5 | |
| 12 May | Heavy rain | 21° /17° | 27.7 mm | 4 | |
| 13 May | Patchy rain possible | 29° /16° | 0.2 mm | 5 | |
| 14 May | Patchy rain possible | 30° /18° | 0.2 mm | 5 | |
| 15 May |  Partly cloudy | 31° /23° | 0.1 mm | 7 | |
| 16 May | Patchy rain possible | 30° /19° | 0.1 mm | 5 | |
| 17 May | Patchy rain possible | 26° /20° | 1.4 mm | 5 | |
| 18 May | Patchy rain possible | 29° /19° | 5 mm | 5 | |
| 19 May | Patchy rain possible | 23° /20° | 1.5 mm | 5 | |
| 20 May | Patchy rain possible | 23° /18° | 2.6 mm | 5 | |
| 21 May | Patchy rain possible | 25° /18° | 1.7 mm | 5 | |
| 22 May |  Moderate rain | 23° /18° | 6.3 mm | 5 | |
| 23 May | Moderate or heavy rain shower | 27° /22° | 17.2 mm | 6 | |
| 24 May | Light rain shower | 25° /22° | 3.5 mm | 6 | |
| 25 May | Patchy rain possible | 27° /20° | 0.1 mm | 6 | |
| 26 May | Light rain shower | 31° /19° | 7.2 mm | 7 | |
| 27 May | Light rain shower | 32° /21° | 6.7 mm | 7 | |
| 28 May | Light rain shower | 25° /19° | 16.5 mm | 6 | |
| 29 May | Light rain shower | 28° /22° | 7.8 mm | 6 | |
| 30 May | Light rain shower | 30° /21° | 12.6 mm | 7 | |
| 31 May | Light rain shower | 29° /21° | 7.4 mm | 6 | |
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Important Notice
Our weather forecast for Chiayi County in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Chiayi County forecast closer to your planned date for the most up-to-date weather information.
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Chiayi County in May - FAQ
What are the expected maximum and minimum temperatures in Chiayi County during May?
During May, expect a variety of temperatures with highs around 28° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in Chiayi County during May?
Significant rainfall exceeding 212.3 mm is expected in Chiayi County during May, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Chiayi County during May?
The average wind speed in Chiayi County during May is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Chiayi County
Explore the daily rainfall trends and prepare for Chiayi Countys May weather 💧
UV exposure in Chiayi County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Where is Chiayi County?Get accurate weather forecasts for Chiayi County, located at latitude 23.515 and longitude 120.81. Stay updated with localized weather information tailored for Chiayi County.
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