Tainan weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Excellent
Best time to visit: October – April
What is the weather like in Tainan in December?
In December, Tainan is warm: daytime highs average 23 °C, and nights cool down to about 17 °C. The sea averages 24.7 °C – pleasant for swimming. Expect around 5 hours of sunshine a day. Rain falls on about 7 days, adding up to 47 mm. All in all, December is an excellent month for a holiday in Tainan.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 84 | 81 | 82 |
| Day | 26° | 23° | 21° |
| Night | 21° | 17° | 16° |
| Sea | 26° | 25° | 24° |
| Sun | 6 h | 5 h | 6 h |
| Rain days | 6 | 7 | 7 |
More details for December
- Daylight
- 10 h 44 min06:32 – 17:16
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 7 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 52 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+8Asia/Taipei
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %33 %
- Few rainy daysweight 30 %81 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Swimwear
- Sunscreen
Tainan in December: quick answers
Is Tainan hot in December?
Warm rather than hot: in December, daytime highs in Tainan average 23 °C and nights cool to about 17 °C.
Can you swim in Tainan in December?
Yes. In December the sea averages 24.7 °C – pleasant for swimming.
Does it rain much in Tainan in December?
Rain falls on about 7 days, adding up to 47 mm.
Tainan month by month
The whole year in TainanAll destinations: TaiwanWhere to go in DecemberSea temperature in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences