AI-generatedTainan at a glance
- Best time
- Oct – Apr
- Warmest month
- Jul · 30°
- Warmest sea
- Jul · 29.5°
- Sunshine a year
- 2,110 h
- Rain a year
- 2,019 mm
- Climate
- Subtropical
- Time zone
- UTC+8
- Elevation
- 26 m
Climate in Tainan
Tainan has a subtropical climate with warm summers and mild winters. July is the warmest month with average highs of 30 °C, while January is the coolest at 21 °C. With around 2,110 hours of sunshine a year, Tainan is moderately sunny; March is the sunniest month with 6.3 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Good
Best time to visit: October – April
October is the peak of the typhoon season
Good forBeach & swimming
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 25°
- Midday, 13:00: about 28°
- Afternoon, 16:00: about 28°
- Evening, 20:00: about 26°
- Night, 23:00: about 25°
05:5517:34
Warm enough for a T-shirt in the evening.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 05:41–06:25 · evening 17:04–17:48
- Blue hour
- Morning 05:32–05:41 · evening 17:48–17:57
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Tainan in October?
In October, Tainan is hot: daytime highs average 28 °C, and even at night it stays warm at around 23 °C. The sea averages 27.9 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. Rain falls on about 7 days, adding up to 73 mm. The air is often humid and muggy. All in all, October is a good month for a holiday in Tainan.
More details for October
- Daylight
- 11 h 39 min05:55 – 17:34
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 13 km/haverage daily peakAll months
- Cloud cover
- 53 %on averageAll months
- Hot days
- 3 days30 °C or moreAll months
- Time zone
- UTC+8Asia/Taipei
How the score comes together
- Temperatureweight 50 %84 %
- Sunshineweight 20 %55 %
- Few rainy daysweight 30 %78 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
Sea temperature in Tainan
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 27.4 – 28.5 °C
Swimming season: All year
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Tainan ranges from 23.6 °C in February to 29.5 °C in July. At 20 °C and more, the sea is warm enough for swimming all year round.
From November to February the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in July, eight out of ten years were between 28.9 and 30.3 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 23.7° | 22.6° | 24.6° | pleasant |
| FebruaryFeb | 23.6° | 22.6° | 24.4° | pleasant |
| MarchMar | 24.3° | 23.3° | 25.1° | pleasant |
| AprilApr | 25.9° | 25.3° | 26.4° | pleasant |
| MayMay | 27.7° | 27.0° | 28.3° | warm |
| JuneJun | 28.9° | 28.1° | 29.8° | warm |
| JulyJul | 29.5° | 28.9° | 30.3° | very warm |
| AugustAug | 29.4° | 28.8° | 30.2° | very warm |
| SeptemberSep | 29.0° | 28.4° | 29.5° | very warm |
| OctoberOct | 27.9° | 27.4° | 28.5° | warm |
| NovemberNov | 26.3° | 25.7° | 26.8° | warm |
| DecemberDec | 24.7° | 23.9° | 25.4° | pleasant |
Sunshine hours in Tainan
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 6.3 of 11.7 hours of daylight in Tainan, 54 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Tainan
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 8 · very highStay in the shade around midday; SPF 50, clothing, hat and sunglasses.
The sun is strongest in June (UV 12).
Minutes until sunburn in October
- Very fair skin
- about 15 min
- Fair skin
- about 20 min
- Light brown skin
- about 30 min
- Olive skin
- about 35 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Tainan: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Tainan has about 7 rainy days with 73 mm of rain in total.
Wind and clouds in Tainan
How breezy and how cloudy Tainan is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Tainan typically peaks at 13 km/h during the day: Beaufort 3, light breeze.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 53 % of the sky over Tainan: variable cloud, with about 6.3 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Tainan
How often the day gets hot in Tainan (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Tainan has about 3 hot days, with an average daytime high of 28 °C: often muggy. The air feels warmer than the thermometer says: light, airy clothes and slow days help.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Tainan
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Pleasant 15–20°
- Warm 20–24°
- Hot 24° and more
- muggy month (10+ muggy days)
WarmOctober: nights around 23°. Tropical nights: a fan or air conditioning helps. Muggy on about 30 days (dew point 18 °C or more).
The coolest nights are in January (16°), the warmest in July (26°). Tropical nights of 20 °C and more are the rule from April to November; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) from December to March. It is muggy (dew point 18 °C or more) on about 258 days a year, mostly from March to November.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 82 | 21° | 16° | 23.7° | 5.5 h | 7 | 46 |
| FebruaryFeb | 81 | 23° | 16° | 23.6° | 5.6 h | 8 | 42 |
| MarchMar | 81 | 25° | 18° | 24.3° | 6.3 h | 9 | 54 |
| AprilApr | 74 | 27° | 21° | 25.9° | 6.2 h | 12 | 116 |
| MayMay | 48 | 29° | 24° | 27.7° | 5.7 h | 18 | 288 |
| JuneJun | 42 | 30° | 25° | 28.9° | 5.6 h | 20 | 389 |
| JulyJul | 40 | 30° | 26° | 29.5° | 6.2 h | 19 | 324 |
| AugustAug | 40 | 30° | 26° | 29.4° | 5.2 h | 21 | 401 |
| SeptemberSep | 54 | 30° | 25° | 29.0° | 6.1 h | 13 | 196 |
| OctoberOct | 76 | 28° | 23° | 27.9° | 6.3 h | 7 | 73 |
| NovemberNov | 84 | 26° | 21° | 26.3° | 5.5 h | 6 | 44 |
| DecemberDec | 81 | 23° | 17° | 24.7° | 5.0 h | 7 | 47 |
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
22.99° N, 120.21° E · 26 m · Asia/Taipei
Best time to visit Tainan
The best time to visit Tainan is from October to April. For a beach holiday with the sea above 21 °C, go from March to April and from October to November. For sightseeing, day trips and hiking, conditions are most comfortable from November to April. Rain is most frequent from May to September; the wettest month is August with 401 mm.
Tainan through the seasons
How the weather changes over the seasons, with averages for each.
Tainan in spring
Mar – May
Good
- 25–29 °C by day
- Sea 26 °C
- 6 h of sun a day
- 39 rainy days in all
Tainan in summer
Jun – Aug
Fair
- 30 °C by day
- Sea 29 °C
- 6 h of sun a day
- 60 rainy days in all
Tainan in autumn
Sep – Nov
Good
- 26–30 °C by day
- Sea 28 °C
- 6 h of sun a day
- 27 rainy days in all
Tainan in winter
Dec – Feb
Excellent
- 21–23 °C by day
- Sea 24 °C
- 5 h of sun a day
- 21 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Tainan for you.
Your best months: December – February
Based on the climate averages; tap a month to see its details.
Compare two months in Tainan
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
November has the better holiday weather in Tainan: score 84 against 76. In November, days are 2 °C cooler than in October. The sea is 2 °C cooler in November. November has one rainy day fewer. The sun shines an hour less a day in November.
| Month | October | November |
|---|---|---|
| Weather score | 76 | 84better |
| Day high | 28° | 26° |
| Night low | 23° | 21° |
| Sea | 27.9° | 26.3° |
| Sunshine | 6.3 hbetter | 5.5 h |
| Rainy days | 7 | 6better |
| Rainfall | 73 mm | 44 mmbetter |
| Muggy days | 30 | 24better |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
Mar – Apr, Oct – Nov
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Nov – Apr
15–28 °C and not too much rain
Rainy months
May – Sep
12 or more rainy days
Tainan month by month
The typical weather for every month at a glance.
82January21° · Sea 24° · 6 h
In January, Tainan is warm: daytime highs average 21 °C, and nights cool down to about 16 °C. The sea averages 23.7 °C – pleasant for swimming. Expect around 6 hours of sunshine a day. Rain falls on about 7 days, adding up to 46 mm. All in all, January is an excellent month for a holiday in Tainan.
Tainan in January81February23° · Sea 24° · 6 h
In February, Tainan is warm: daytime highs average 23 °C, and nights cool down to about 16 °C. The sea averages 23.6 °C – pleasant for swimming. Expect around 6 hours of sunshine a day. Rain falls on about 8 days, adding up to 42 mm. All in all, February is an excellent month for a holiday in Tainan.
Tainan in February81March25° · Sea 24° · 6 h
In March, Tainan is warm: daytime highs average 25 °C, and nights cool down to about 18 °C. The sea averages 24.3 °C – pleasant for swimming. Expect around 6 hours of sunshine a day. Rain falls on about 9 days, adding up to 54 mm. All in all, March is an excellent month for a holiday in Tainan.
Tainan in March74April27° · Sea 26° · 6 h
In April, Tainan is hot: daytime highs average 27 °C, and even at night it stays warm at around 21 °C. The sea averages 25.9 °C – pleasant for swimming. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 116 mm in total. The air is often humid and muggy. All in all, April is a good month for a holiday in Tainan.
Tainan in April48May29° · Sea 28° · 6 h
In May, Tainan is hot: daytime highs average 29 °C, and even at night it stays warm at around 24 °C. The sea averages 27.7 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It rains often – on about 18 days, adding up to 288 mm. On about 8 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is a so-so month for a holiday in Tainan.
Tainan in May42June30° · Sea 29° · 6 h
In June, Tainan is hot: daytime highs average 30 °C, and even at night it stays warm at around 25 °C. The sea averages 28.9 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It rains often – on about 20 days, adding up to 389 mm. On about 15 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is a so-so month for a holiday in Tainan.
Tainan in June40July30° · Sea 30° · 6 h
In July, Tainan is hot: daytime highs average 30 °C, and even at night it stays warm at around 26 °C. The sea averages 29.5 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It rains often – on about 19 days, adding up to 324 mm. On about 21 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Tainan.
Tainan in July40August30° · Sea 29° · 5 h
In August, Tainan is hot: daytime highs average 30 °C, and even at night it stays warm at around 26 °C. The sea averages 29.4 °C – almost as warm as a bath. Expect around 5 hours of sunshine a day. It rains often – on about 21 days, adding up to 401 mm. On about 16 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Tainan.
Tainan in August54September30° · Sea 29° · 6 h
In September, Tainan is hot: daytime highs average 30 °C, and even at night it stays warm at around 25 °C. The sea averages 29.0 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 196 mm in total. On about 11 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a so-so month for a holiday in Tainan.
Tainan in September76October28° · Sea 28° · 6 h
In October, Tainan is hot: daytime highs average 28 °C, and even at night it stays warm at around 23 °C. The sea averages 27.9 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. Rain falls on about 7 days, adding up to 73 mm. The air is often humid and muggy. All in all, October is a good month for a holiday in Tainan.
Tainan in October84November26° · Sea 26° · 6 h
In November, Tainan is warm: daytime highs average 26 °C, and even at night it stays warm at around 21 °C. The sea averages 26.3 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. Rain falls on about 6 days, adding up to 44 mm. The air is often humid and muggy. All in all, November is an excellent month for a holiday in Tainan.
Tainan in November81December23° · Sea 25° · 5 h
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.
Tainan in DecemberTainan compared
Put Tainan side by side with another destination.
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Tainan vs. Kaohsiung
In October Tainan has the better holiday weather (score 76 vs. 69). During the day it is about as warm in Kaohsiung as in Tainan. The sea is about equally warm.
| in October | Tainan | Kaohsiung |
|---|---|---|
| Holiday score | 76 | 69 |
| Daytime high | 28° | 28° |
| Sea | 28° | 28° |
| Sunshine | 6 h | 6 h |
| Rainy days | 7 | 11 |
| Best time | Oct – Apr | Nov – Mar |
Through the year
Taiwan in October: the best places
In October, Tainan ranks 2 of 4 destinations in this country.
- Kinmen County27°25°90
- 2TainanThis page28°28°76
- 3Kaohsiung28°28°69
- 4Taipei26°65
Planning a trip to Tainan
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Tainan in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Tainan has its best school-holiday weather during the Christmas holidays (score 82) and its weakest during the summer holidays (score 40).
- 76
Easter holidays
Mar – Apr
Good
- 26 °C by day
- Sea 25 °C
- 6.2 h of sun a day
- 11 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
- 47
May half-term
May – Jun
Fair
- 29 °C by day
- Sea 28 °C
- 5.7 h of sun a day
- 19 rainy days a month
Keep in mind: Frequent rain
- 40
Summer holidays
Jul – Aug
Fair
- 30 °C by day
- Sea 29 °C
- 5.6 h of sun a day
- 20 rainy days a month
Keep in mind: Frequent rain, Storm season
- 76
October half-term
Oct
Good
- 28 °C by day
- Sea 28 °C
- 6.3 h of sun a day
- 7 rainy days a month
Good for: Beach & swimming
Keep in mind: Storm season
- 82
Christmas holidays
Dec – Jan
ExcellentBest holidays
- 22 °C by day
- Sea 24 °C
- 5.3 h of sun a day
- 7 rainy days a month
Good for: Sightseeing & walks
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 12 h 25 min
- Distance
- 9,920 km
- Time zone
- UTC+8
- Jet lag
- About 7 days (7 h east)
Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
Tainan lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM); not a forecast.
Frequently asked questions about Tainan
When is the best time to visit Tainan?
The best time to visit Tainan is from October to April. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Tainan?
The sea temperature in Tainan ranges from 23.6 °C in February to 29.5 °C in July. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in Tainan in October?
Yes. In October the sea averages 27.9 °C – lovely and warm for swimming.
What is the warmest month in Tainan?
July is the warmest month, with average highs of 30 °C and nights around 26 °C. January is the coolest month at 21 °C.
When does it rain most in Tainan?
Rain is most frequent from May to September; the wettest month is August with 401 mm. The driest month is February with 42 mm.
How many hours of sunshine does Tainan get?
Tainan gets around 2,110 hours of sunshine a year. The sunniest month is March with 6.3 hours a day; in December there are 5.0 hours a day.
What time zone is Tainan in?
Tainan uses the time zone Asia/Taipei, at UTC+8 all year.
How long is the flight from London to Tainan?
A nonstop flight from London to Tainan takes about 12 h 25 min, for a straight-line distance of about 9,920 km. Most routes need a change of planes, which adds time.
When is typhoon season in Tainan?
Tainan lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Which school holidays are best for Tainan?
Tainan has its best school-holiday weather during the Christmas holidays (score 82) and its weakest during the summer holidays (score 40). Holiday ratings (0–100): Easter holidays 76, May half-term 47, Summer holidays 40, October half-term 76, Christmas holidays 82.
Near Tainan
Other destinations close by.
Places with a climate like Tainan
Destinations whose weather through the year is closest to Tainan's – good alternatives.