Tainan weather in October
In October, Tainan sees average daytime highs of 29°C and overnight lows near 24°C, with 54 mm of rain across 6.4 wet days and about 11.5 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.
Highs ease over the month, from about 30°C in the first days to 28°C by the end. The sky is clear or mostly clear about 46% of the time in October, and the air most often feels oppressive.
Daylight stretches from about 11 h 48 min at the start of October to 11 h 12 min by month's end. Set against the rest of the year, October is Tainan's 3rd-clearest and 10th-windiest month. For the whole year in context, see Tainan's year-round climate.
- Daytime high
- 29°
- 6th warmest
- Overnight low
- 24°
- 7th coldest
- Rainfall
- 54 mm
- 6.4 wet days
- Daylight
- 11 h 30 min
- 6:00 AM – 5:28 PM
- Cloud cover
- 47%
- 3rd clearest
- Wind
- 8 km/h
- 10th windiest
- Solar energy
- 4.55 kWh/m²
- Travel score
- 5.9
- out of 10
Tainan is city in southern Taiwan.
- Density
- 847/km²
- people per km²
- Founded
- 1624
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in October
Highs ease over the month, from about 30°C in the first days to 28°C by the end.
A typical October day in Tainan reaches about 29°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, October runs about 2°C cooler than September and about 2°C warmer than November.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 25 |
| 2 | 30 | 25 |
| 3 | 30 | 25 |
| 4 | 30 | 25 |
| 5 | 30 | 25 |
| 6 | 30 | 25 |
| 7 | 30 | 25 |
| 8 | 30 | 25 |
| 9 | 30 | 24 |
| 10 | 30 | 24 |
| 11 | 30 | 24 |
| 12 | 30 | 24 |
| 13 | 30 | 24 |
| 14 | 30 | 24 |
| 15 | 30 | 24 |
| 16 | 29 | 24 |
| 17 | 29 | 24 |
| 18 | 29 | 24 |
| 19 | 29 | 23 |
| 20 | 29 | 23 |
| 21 | 29 | 23 |
| 22 | 29 | 23 |
| 23 | 29 | 23 |
| 24 | 29 | 23 |
| 25 | 29 | 23 |
| 26 | 29 | 23 |
| 27 | 29 | 23 |
| 28 | 29 | 23 |
| 29 | 28 | 23 |
| 30 | 28 | 23 |
| 31 | 28 | 22 |
How October really feels in Tainan
Once humidity and wind are folded in, October averages 20 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Tainan weather by month
How October compares with the rest of the year at a glance. October is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 22° / 16° | 49 | 7.2 | 10.7 | 7.4 |
| Feb | 23° / 17° | 44 | 7.8 | 11.2 | 7.3 |
| Mar | 25° / 19° | 58 | 9.2 | 11.8 | 7.0 |
| Apr | 28° / 22° | 120 | 11.8 | 12.5 | 5.8 |
| May | 30° / 25° | 299 | 18.7 | 13.1 | 4.0 |
| Jun | 31° / 26° | 393 | 19.7 | 13.4 | 3.2 |
| Jul | 32° / 27° | 305 | 19.1 | 13.3 | 3.2 |
| Aug | 31° / 26° | 401 | 21.1 | 12.8 | 3.2 |
| Sep | 31° / 26° | 184 | 13.6 | 12.1 | 4.1 |
| Oct | 29° / 24° | 54 | 6.4 | 11.5 | 5.9 |
| Nov | 27° / 21° | 41 | 5.7 | 10.9 | 7.3 |
| Dec | 24° / 18° | 47 | 6.4 | 10.6 | 7.7 |
Cloud cover in October
The sky is clear or mostly clear about 46% of the time in October.
Beyond those clear spells, partly cloudy skies cover about 23% of October, with mostly cloudy or overcast conditions the remaining 31%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 62 | 63 | 64 | 65 | 66 | 66 | 67 | 67 | 68 | 68 | 68 | 69 | 69 | 69 | 70 | 70 | 71 | 71 | 71 | 71 | 72 | 72 | 72 | 70 | 70 | 70 | 70 | 69 | 69 | 69 | 68 |
| Cloudier (%) | 38 | 37 | 36 | 35 | 34 | 34 | 33 | 33 | 32 | 32 | 32 | 31 | 31 | 31 | 30 | 30 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 32 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 62 | 38 |
| 2 | 63 | 37 |
| 3 | 64 | 36 |
| 4 | 65 | 35 |
| 5 | 66 | 34 |
| 6 | 66 | 34 |
| 7 | 67 | 33 |
| 8 | 67 | 33 |
| 9 | 68 | 32 |
| 10 | 68 | 32 |
| 11 | 68 | 32 |
| 12 | 69 | 31 |
| 13 | 69 | 31 |
| 14 | 69 | 31 |
| 15 | 70 | 30 |
| 16 | 70 | 30 |
| 17 | 71 | 29 |
| 18 | 71 | 29 |
| 19 | 71 | 29 |
| 20 | 71 | 29 |
| 21 | 72 | 28 |
| 22 | 72 | 28 |
| 23 | 72 | 28 |
| 24 | 70 | 30 |
| 25 | 70 | 30 |
| 26 | 70 | 30 |
| 27 | 70 | 30 |
| 28 | 69 | 31 |
| 29 | 69 | 31 |
| 30 | 69 | 31 |
| 31 | 68 | 32 |
Chance of precipitation in October
Tainan gets around 54 mm of rain over 6.4 wet days in October. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 21% and peaks near 29% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 29 | 28 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 23 | 22 | 22 | 21 | 20 | 20 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 |
| Rain chance (%) | |
|---|---|
| 1 | 29 |
| 2 | 28 |
| 3 | 27 |
| 4 | 26 |
| 5 | 26 |
| 6 | 26 |
| 7 | 25 |
| 8 | 25 |
| 9 | 25 |
| 10 | 25 |
| 11 | 25 |
| 12 | 24 |
| 13 | 24 |
| 14 | 23 |
| 15 | 22 |
| 16 | 22 |
| 17 | 21 |
| 18 | 20 |
| 19 | 20 |
| 20 | 19 |
| 21 | 18 |
| 22 | 18 |
| 23 | 17 |
| 24 | 17 |
| 25 | 16 |
| 26 | 16 |
| 27 | 16 |
| 28 | 16 |
| 29 | 16 |
| 30 | 15 |
| 31 | 15 |
Humidity in October
Most of October feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the oppressive band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Humid (%) | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 5 | 5 | 6 | 7 | 7 | 8 | 9 | 9 | 9 | 10 | 10 |
| Muggy (%) | 10 | 10 | 11 | 12 | 13 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 19 | 20 | 21 | 22 | 23 | 24 | 24 | 25 | 26 | 27 | 27 | 28 | 29 | 30 | 30 | 31 | 32 | 33 | 34 |
| Oppressive (%) | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 45 | 46 | 47 | 48 | 49 | 51 | 51 | 51 | 52 | 52 | 54 | 53 | 53 | 54 | 53 | 52 | 52 | 51 | 51 | 51 | 49 | 49 | 48 |
| Miserable (%) | 54 | 53 | 51 | 48 | 47 | 45 | 43 | 41 | 39 | 37 | 35 | 32 | 30 | 28 | 26 | 24 | 22 | 20 | 18 | 17 | 15 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 7 | 6 | 5 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 0 | 10 | 36 | 54 |
| 2 | 0 | 0 | 10 | 37 | 53 |
| 3 | 0 | 0 | 11 | 38 | 51 |
| 4 | 0 | 0 | 12 | 39 | 48 |
| 5 | 0 | 1 | 13 | 40 | 47 |
| 6 | 0 | 1 | 13 | 41 | 45 |
| 7 | 0 | 1 | 14 | 42 | 43 |
| 8 | 0 | 1 | 15 | 43 | 41 |
| 9 | 0 | 1 | 16 | 45 | 39 |
| 10 | 0 | 1 | 17 | 46 | 37 |
| 11 | 0 | 1 | 18 | 47 | 35 |
| 12 | 0 | 1 | 19 | 48 | 32 |
| 13 | 0 | 1 | 19 | 49 | 30 |
| 14 | 0 | 1 | 20 | 51 | 28 |
| 15 | 0 | 2 | 21 | 51 | 26 |
| 16 | 1 | 2 | 22 | 51 | 24 |
| 17 | 1 | 2 | 23 | 52 | 22 |
| 18 | 1 | 3 | 24 | 52 | 20 |
| 19 | 1 | 3 | 24 | 54 | 18 |
| 20 | 1 | 4 | 25 | 53 | 17 |
| 21 | 1 | 5 | 26 | 53 | 15 |
| 22 | 1 | 5 | 27 | 54 | 13 |
| 23 | 2 | 6 | 27 | 53 | 12 |
| 24 | 2 | 7 | 28 | 52 | 11 |
| 25 | 2 | 7 | 29 | 52 | 10 |
| 26 | 2 | 8 | 30 | 51 | 9 |
| 27 | 2 | 9 | 30 | 51 | 8 |
| 28 | 2 | 9 | 31 | 51 | 7 |
| 29 | 2 | 9 | 32 | 49 | 7 |
| 30 | 2 | 10 | 33 | 49 | 6 |
| 31 | 2 | 10 | 34 | 48 | 5 |
Wind in October
Winds average 8 km/h in October.
Across October, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 9 | calm |
Sunrise & sunset in October
Daylight runs from about 11 h 48 min at the start of October to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 36 minutes over October. Sunrise moves from 5:54 AM to 6:08 AM, and sunset from 5:42 PM to 5:17 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.8 | 11.8 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.6 | 11.6 | 11.6 | 11.6 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.3 | 11.3 | 11.3 | 11.3 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 |
| Sunrise (AM) | 5:54 | 5:55 | 5:55 | 5:56 | 5:56 | 5:56 | 5:57 | 5:57 | 5:57 | 5:58 | 5:58 | 5:59 | 5:59 | 6:00 | 6:00 | 6:00 | 6:01 | 6:01 | 6:02 | 6:02 | 6:03 | 6:03 | 6:04 | 6:04 | 6:05 | 6:05 | 6:06 | 6:06 | 6:07 | 6:08 | 6:08 |
| Sunset (PM) | 5:42 | 5:41 | 5:40 | 5:39 | 5:38 | 5:37 | 5:36 | 5:35 | 5:34 | 5:33 | 5:32 | 5:31 | 5:30 | 5:30 | 5:29 | 5:28 | 5:27 | 5:26 | 5:25 | 5:25 | 5:24 | 5:23 | 5:22 | 5:22 | 5:21 | 5:20 | 5:20 | 5:19 | 5:18 | 5:18 | 5:17 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.8 | 5:54 | 5:42 |
| 2 | 11.8 | 5:55 | 5:41 |
| 3 | 11.7 | 5:55 | 5:40 |
| 4 | 11.7 | 5:56 | 5:39 |
| 5 | 11.7 | 5:56 | 5:38 |
| 6 | 11.7 | 5:56 | 5:37 |
| 7 | 11.7 | 5:57 | 5:36 |
| 8 | 11.6 | 5:57 | 5:35 |
| 9 | 11.6 | 5:57 | 5:34 |
| 10 | 11.6 | 5:58 | 5:33 |
| 11 | 11.6 | 5:58 | 5:32 |
| 12 | 11.5 | 5:59 | 5:31 |
| 13 | 11.5 | 5:59 | 5:30 |
| 14 | 11.5 | 6:00 | 5:30 |
| 15 | 11.5 | 6:00 | 5:29 |
| 16 | 11.5 | 6:00 | 5:28 |
| 17 | 11.4 | 6:01 | 5:27 |
| 18 | 11.4 | 6:01 | 5:26 |
| 19 | 11.4 | 6:02 | 5:25 |
| 20 | 11.4 | 6:02 | 5:25 |
| 21 | 11.4 | 6:03 | 5:24 |
| 22 | 11.3 | 6:03 | 5:23 |
| 23 | 11.3 | 6:04 | 5:22 |
| 24 | 11.3 | 6:04 | 5:22 |
| 25 | 11.3 | 6:05 | 5:21 |
| 26 | 11.2 | 6:05 | 5:20 |
| 27 | 11.2 | 6:06 | 5:20 |
| 28 | 11.2 | 6:06 | 5:19 |
| 29 | 11.2 | 6:07 | 5:18 |
| 30 | 11.2 | 6:08 | 5:18 |
| 31 | 11.2 | 6:08 | 5:17 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 4.55 kWh/m².
For context, solar energy here swings from a low near 3.27 kWh/m² to a high of 5.43 kWh/m² in July across the year — October's 4.55 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.8 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.1 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.8 | Bright |
| 2 | 4.8 | Bright |
| 3 | 4.8 | Bright |
| 4 | 4.8 | Bright |
| 5 | 4.7 | Bright |
| 6 | 4.7 | Bright |
| 7 | 4.7 | Bright |
| 8 | 4.7 | Bright |
| 9 | 4.7 | Bright |
| 10 | 4.6 | Bright |
| 11 | 4.6 | Bright |
| 12 | 4.6 | Bright |
| 13 | 4.6 | Bright |
| 14 | 4.6 | Bright |
| 15 | 4.5 | Bright |
| 16 | 4.5 | Bright |
| 17 | 4.5 | Bright |
| 18 | 4.5 | Bright |
| 19 | 4.5 | Bright |
| 20 | 4.5 | Bright |
| 21 | 4.4 | Bright |
| 22 | 4.4 | Bright |
| 23 | 4.4 | Bright |
| 24 | 4.4 | Bright |
| 25 | 4.3 | Bright |
| 26 | 4.3 | Bright |
| 27 | 4.3 | Bright |
| 28 | 4.3 | Bright |
| 29 | 4.2 | Bright |
| 30 | 4.2 | Bright |
| 31 | 4.1 | Bright |
Hazard calendar for Tainan
In October, Tainan sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Tainan sits in the Pacific typhoon belt; the season peaks July–October.
Tainan's monsoon runs May–September, when most of the year's rain falls.
Is October a good time to visit Tainan?
Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
October is a reasonable time to visit Tainan for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Tainan in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Tainan sees daytime highs around 29°C and nights near 24°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.
Sea temperature near Tainan in October
The nearest coast averages about 28°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 16 km away) is warmest in July at about 29°C and coldest in January near 24°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 24 | 24 | 24 | 26 | 28 | 29 | 29 | 29 | 29 | 28 | 26 | 25 |
| Comfort | Refreshing | Refreshing | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 24 | Refreshing |
| Feb | 24 | Refreshing |
| Mar | 24 | Warm |
| Apr | 26 | Warm |
| May | 28 | Warm |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Warm |
| Nov | 26 | Warm |
| Dec | 25 | Warm |
UV index in Tainan in October
Clear-sky midday UV in October peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Tainan peaks around June 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 6 | 8 | 10 | 9 | 9 | 12 | 10 | 12 | 11 | 8 | 7 | 6 |
| Level | High | Very high | Very high | Very high | Very high | Extreme | Very high | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 8 | Very high |
| Mar | 10 | Very high |
| Apr | 9 | Very high |
| May | 9 | Very high |
| Jun | 12 | Extreme |
| Jul | 10 | Very high |
| Aug | 12 | Extreme |
| Sep | 11 | Extreme |
| Oct | 8 | Very high |
| Nov | 7 | Very high |
| Dec | 6 | High |
Air quality in Tainan in October
Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.
Air quality in Tainan is worst in March — around 48 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (July, 27 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 41 | 44 | 48 | 46 | 38 | 30 | 27 | 29 | 38 | 40 | 40 | 36 |
| Level | Poor | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Poor | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 41 | Poor |
| Feb | 44 | Poor |
| Mar | 48 | Poor |
| Apr | 46 | Poor |
| May | 38 | Poor |
| Jun | 30 | Moderate |
| Jul | 27 | Moderate |
| Aug | 29 | Moderate |
| Sep | 38 | Poor |
| Oct | 40 | Poor |
| Nov | 40 | Poor |
| Dec | 36 | Poor |
Where is Tainan?
Tainan sits at 23.0°N, 120.2°E, 26 m above sea level, in Taiwan. The nearest listed city is Yongkang, 6.0 km away.
Topography around Tainan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tainan.
Within 3 km, the terrain around Tainan has only modest variations in elevation — a maximum elevation change of 40 m around an average of 20 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 136 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,645 m.
The land around Tainan is covered by artificial surfaces (86%) within 3 km, water (30%) and artificial surfaces (27%) within 16 km, and water (46%) and trees (37%) within 80 km.
Taiwan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 110 / 220 V · 60 Hz
- Happiness
- 6.7 / 10
- World Happiness, 2025
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Tainan (22.9908°, 120.2133°, elevation 26 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).