As Taiwan moves into early May, the Central Weather Administration (CWA) has forecasted a week of warm, humid weather punctuated by intermittent rain and thunderstorms across the island. From Saturday onward, temperatures will hover between 31 to 33 degrees Celsius, and moisture-laden air will trigger localized showers and thunderstorm activity, especially in the afternoons.
🌦 Detailed 7-Day Weather Forecast for Taiwan
Saturday (May 3)
- Morning: Mostly cloudy skies island-wide. Eastern regions such as Hualien and Taitung may experience light showers.
- Afternoon: A surge in moisture could result in localized thunderstorms, particularly in the western plains and central mountain regions.
- Temperatures: 31°C to 33°C; feels hotter due to humidity.
Sunday (May 4)
- Wet weather to persist nationwide, with increased thunderstorm risk due to convective activity.
- Outdoor activities and travel should be planned with caution, particularly in urban flood-prone zones.
Monday (May 5)
- Rainfall eases temporarily with a return of cloudy to partly sunny skies.
- Localized thunderstorm activity may still occur in northern and northeastern Taiwan, such as Taipei, Keelung, and Yilan.
Tuesday to Thursday (May 6–8)
- A passing cloud system will reintroduce widespread rain, affecting both lowland and mountainous areas.
- Afternoon thunderstorm development could become frequent due to rising ground heat and moisture.
Friday (May 9)
- As easterly winds gain strength, rainfall will subside, limited to scattered showers in isolated areas, especially eastern Taiwan.
- Humidity remains high, contributing to general discomfort in urban centers.
🌡️ Key Weather Trends and Climate Commentary
- No cold fronts or significant air mass changes are forecasted, allowing high temperatures to dominate.
- The wet spell is driven by a seasonal transition pattern, where moist Pacific air collides with warming land surfaces—common for early May in Taiwan.
- This marks the onset of pre-Mei-yu (plum rain) activity, a transitional weather phase before Taiwan’s official rainy season in late May.
- The risk of sudden downpours, especially during afternoons, is increasing. These events can trigger flash floods in poorly drained areas.
🧠 Unique Insights and Local Advice
- Urban dwellers, particularly in Taipei, Taichung, and Kaohsiung, should prepare for muggy, sticky afternoons and carry umbrellas or raincoats daily.
- This weather pattern is favorable for mosquitoes, so disease prevention efforts (e.g., dengue fever) should be reinforced in southern and eastern Taiwan.
- Agricultural sectors in central Taiwan may benefit from moderate rainfall, although excess rain could affect harvest schedules and soil conditions.
- Hikers and tourists should monitor real-time alerts from the CWA app or website due to the rapid development of storms in mountain regions.
❓ FAQs
Will the weather be rainy every day in Taiwan this week?
Rain is expected on most days, especially in the afternoons. However, the intensity and coverage will vary, with Monday and Friday showing the least rain.
Are there any typhoons expected this week?
No typhoons or tropical disturbances have been forecasted during this period.
Can we expect a drop in temperature due to the rain?
Yes, rain can temporarily cool down temperatures by 1–3°C, but the overall weather will remain hot and humid.
Is this the start of Taiwan’s rainy season?
Not officially. This week marks a prelude to the Mei-yu season, which usually starts later in May.
Will air quality be affected?
Air quality may improve slightly due to rain dispersing pollutants, but high humidity can still affect respiratory comfort.
