Monthly climate guide
Tainan weather in December
December in Tainan is typically warm, with average daytime highs around 23°C (74°F) and night-time lows near 20°C (68°F). The month usually brings about 35 mm of rain (fairly dry) and is often cloudy. Daytime highs are 3°C cooler than November and 2°C warmer than January.
What stands out in December
- December sits in Tainan's drier season — usually a comfortable time to visit.
- Days and nights are close, only about 3°C apart.
- It's one of the drier months, with about 78% less rain than Tainan's average.
- December is among Tainan's three coolest months.
Avg high
23°C
74°F
Avg low
20°C
68°F
Rainfall
35 mm
fairly dry
Humidity
78%
relative
Sky
61%
cloud · often cloudy
Tainan weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 22°C / 71°F | 18°C / 65°F | 49 mm | 78% | 55% |
| February | 22°C / 72°F | 19°C / 65°F | 32 mm | 78% | 54% |
| March | 24°C / 76°F | 20°C / 69°F | 53 mm | 77% | 59% |
| April | 27°C / 80°F | 23°C / 74°F | 86 mm | 78% | 61% |
| May | 28°C / 83°F | 26°C / 78°F | 267 mm | 83% | 66% |
| June | 30°C / 85°F | 28°C / 82°F | 311 mm | 85% | 64% |
| July | 30°C / 86°F | 28°C / 83°F | 261 mm | 83% | 67% |
| August | 30°C / 85°F | 28°C / 82°F | 499 mm | 84% | 72% |
| September | 29°C / 85°F | 27°C / 81°F | 200 mm | 82% | 59% |
| October | 28°C / 82°F | 25°C / 77°F | 74 mm | 80% | 54% |
| November | 26°C / 80°F | 23°C / 74°F | 63 mm | 80% | 56% |
| December | 23°C / 74°F | 20°C / 68°F | 35 mm | 78% | 61% |
What to pack for December
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A small travel umbrella, just in case
Is December a good time to visit Tainan?
Compare the months in the chart above to find your ideal window.
Best time to visit Tainan →Other Taiwan cities in December
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Tainan weather in December. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/taiwan/tainan/december
<a href="https://weathercompare.eu/weather/taiwan/tainan/december">Tainan weather in December</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/taiwan/tainan" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Tainan weather in December"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/taiwan/tainan/december">Tainan weather in December</a> – WeatherCompare</p>
Tainan in December: quick answers
Is December a good time to visit Tainan?
Yes. December is one of the best months for Tainan, with highs around 23°C and about 35 mm of rain.
How warm is Tainan in December?
Average highs are about 23°C (74°F) and average lows about 20°C (68°F), based on 10 years of daily data.
Does it rain a lot in Tainan in December?
Tainan typically gets around 35 mm of rain in December — fairly dry.
Figures are long-term averages for the area around Tainan (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.