Tainan
December
Weather in Tainan for December 2025
Your guide to Tainan weather in December - trends and predictions
Until now, December 2025 in Tainan has been nearly identical to the historical average, with a temperature of 25.4 °C (showing only a slight deviation of -0.2 °C).
The forecast for the next days in Tainan predicts temperatures to be around 24 °C, close to the historical average.
In general, the average temperature in Tainan at the beginning of December is 26 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.4 °C by the end of December.
With an average of 2 rainy days, Tainan experiences minimal rainfall in December.
Temperatures
Rain 🌧️
29
Dry days
2
Rainy days
0
Snow days
24°/18°
Temperatures
21 km/h
Avg max wind
61 %
Avg humidity
Tainan Weather December
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Temperatures trend during December in Tainan
See the weather trend as well as the moving average line
December weather in Tainan day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Cloudy | 26° /20° | 0 mm | 6 | |
| 2 Dec. |  Partly cloudy | 27° /20° | 0 mm | 7 | |
| 3 Dec. | Partly cloudy | 27° /20° | 0.4 mm | 7 | |
| 4 Dec. |  Overcast | 25° /20° | 0.2 mm | 6 | |
| 5 Dec. | Partly cloudy | 26° /20° | 0 mm | 7 | |
| 6 Dec. |  Sunny | 25° /19° | 0 mm | 6 | |
| 7 Dec. | Sunny | 26° /20° | 0 mm | 7 | |
| 8 Dec. | Partly cloudy | 26° /19° | 0 mm | 7 | |
| 9 Dec. | Partly cloudy | 26° /20° | 0 mm | 7 | |
| 10 Dec. | Sunny | 27° /20° | 0 mm | 7 | |
| 11 Dec. | Sunny | 28° /21° | 0 mm | 7 | |
| 12 Dec. | Partly cloudy | 27° /21° | 0 mm | 6 | |
| 13 Dec. | Sunny | 26° /20° | 0 mm | 6 | |
| 14 Dec. | Sunny | 23° /18° | 0 mm | 5 | |
| 15 Dec. | Partly cloudy | 23° /18° | 0 mm | 6 | |
| 16 Dec. |  Patchy rain possible | 24° /17° | 0 mm | 5 | |
| 17 Dec. | Sunny | 25° /17° | 0 mm | 6 | |
| 18 Dec. | Sunny | 24° /17° | 0 mm | 6 | |
| 19 Dec. | Overcast | 22° /17° | 0 mm | 5 | |
| 20 Dec. |  Moderate rain | 23° /20° | 5.9 mm | 0.6 | |
| 21 Dec. | Sunny | 26° /19° | 0 mm | 1.2 | |
| 22 Dec. | Partly cloudy | 25° /19° | 0 mm | 0.9 | |
| 23 Dec. | Sunny | 26° /20° | 0 mm | 1.3 | |
| 24 Dec. | Sunny | 26° /20° | 0 mm | 6 | |
| 25 Dec. | Cloudy | 24° /19° | 0 mm | 5 | |
| 26 Dec. | Sunny | 24° /18° | 0 mm | 5 | |
| 27 Dec. | Sunny | 22° /17° | 0 mm | 5 | |
| 28 Dec. | Partly cloudy | 21° /16° | 0 mm | 5 | |
| 29 Dec. | Partly cloudy | 22° /17° | 0 mm | 5 | |
| 30 Dec. | Partly cloudy | 22° /16° | 0 mm | 5 | |
| 31 Dec. | Patchy rain possible | 22° /18° | 0.3 mm | 4 | |
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Important Notice
Our weather forecast for Tainan in December 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 Tainan forecast closer to your planned date for the most up-to-date weather information.
Change Month
Tainan in December - FAQ
What are the expected maximum and minimum temperatures in Tainan during December?
During December, expect a variety of temperatures with highs around 24° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Tainan during December?
Rainfall in Tainan during December is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 2 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Tainan during December?
The average wind speed in Tainan during December is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Tainan
Explore the daily rainfall trends and prepare for Tainans December weather 💧
Typically, Tainan has 2 rainy days in December with a total of 5.8 mm of rainfall.
UV exposure in Tainan during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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