Tainan weather in July

July in Tainan: sweltering, soaked, with muggy air — not the time — 17 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Tainan🇹🇼 Taiwan · Taiwan & Okinawa · City45
  1. 85Jan
  2. 91Feb
  3. 82Mar
  4. 71Apr
  5. 52May
  6. 41Jun
  7. 45Jul
  8. 39Aug
  9. 55Sep
  10. 64Oct
  11. 76Nov
  12. 88Dec

#10 of 12 months in Tainan · #1258 of 1413 destinations to visit in July · comfort 45/100 (tier F)

Days
32°C
Nights
27°C
Wet days
17
Sun
9.7 h
Humidity
84%
Daylight
13 h
Tainan, Taiwan
Photo: Alan Wang · Pexels

Traveller notes on Tainan in July

Notes from nearby Sun Moon Lake (120 km away)

Tainan doesn't have its own notes for July yet — these are about Sun Moon Lake, close enough to share the season.

Forum posters describe July and August as Taiwan's hottest months, with temperatures commonly 33-36C and high humidity, though posters rate July as a great season overall aside from typhoon risk. Posters describe most summer rain as short afternoon thunderstorms lasting 30-60 minutes, with mornings typically clear and sunny - posters consistently recommend scheduling outdoor sightseeing for the morning and saving indoor activities for the afternoon. Posters flag a real typhoon risk of roughly 3-4 storms per season, capable of shutting down transportation and closing national parks for a day or two if one hits during a visit. Posters note late June through early September also coincides with Taiwanese school summer holidays, meaning genuinely busier crowds on top of the hot, occasionally stormy weather.
Tripadvisor community · July · 1 month ago · about Sun Moon Lake · Read more on Tripadvisor ↗

Other months in Tainan

Forum posters describe July and August as Taiwan's hottest months, typically 33-36C with high humidity, and afternoon thundershowers a regular feature of the June-August stretch. Posters are consistent that August sits within typhoon season (June-October), with August, July and September the three months most likely to see a storm make landfall - roughly three to four typhoons affect Taiwan in an average season, and a direct hit during a trip can cost travelers one to two disrupted days. Posters are equally clear that summer travel remains genuinely popular despite the heat, pointing to Taiwan's excellent air-conditioned MRT, malls and convenience stores, plus shaved ice and bubble tea on seemingly every corner, as real relief options. Posters generally rate August as hot, humid and typhoon-season for Tainan, entirely workable with flexible plans and frequent air-conditioned breaks.
Tripadvisor community · August · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe February in southern Taiwan as cool and pleasant, typically 15-20C, milder than the 10-15C posters report further north - winter here is generally mild outside the high mountains. It's not officially the rainy season, but posters note rain remains a real possibility on any given day, so a light jacket that also handles rain is standard packing advice. Cold fronts can occasionally push temperatures down to around 6C for a couple of days, a real but temporary dip rather than the norm. Posters describe February overall as the tail end of winter with spring clearly approaching, milder than most visitors expect coming from more northerly climates.
Tripadvisor community · February · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Tainan's card on the map.

Tainan climate normals — July

Daytime high32°C / 89°F🔥 sweltering
Nighttime low27°C / 81°F
Feels like (high)38°C / 100°F
Sea temperature31°C / 88°F♨️ bath-warm
Rainfall331 mm / 13 in⛈ soaked
Rainy days17 days
Humidity84%💦 very humid
Dew point25°C / 77°F
Sunshine9.7 h/day
Daylight13.4 h
Wind14 km/h / 8 mph
Air quality (US AQI)72🙂 moderate

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Tainan in July

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

BusySummer break in Taiwan, school holidays in 5 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Tainan's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Toughest weatherTainan's weather peaks December–February.

July coincides with Typhoon season.

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Best weatherFair weatherToughest weather

What's on in Tainan in July

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Mango season

    1 Jun – 15 Aug · usuallyHarvest

    Yujing up the valley is the mango capital of Taiwan and the shaved-ice shops in the old city run on it for ten weeks. Irwin first, then the yellow ones later in the summer.

  • Hazard

    Typhoon season

    1 Jul – 15 Oct · usuallyClosures

    Fewer direct hits than the east coast, but the flooding is the problem here rather than the wind. A declared typhoon day closes everything, including the temples. Source ↗

What's on around the world in July →

Nearby, and something's on

Within 300 km of Tainan — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Tainan?

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Tainan in July — FAQ

Is July a good time to visit Tainan?
July in Tainan: sweltering, soaked, with muggy air — not the time — 17 rainy days. It ranks #10 of 12 months for Tainan on SeasonMap's comfort score (45/100).
What is the weather like in Tainan in July?
In July, Tainan averages a daily high of 31.9°C and a low of 27.4°C, with about 331.4 mm of rain over roughly 17.4 rainy days.
What is the air quality in Tainan in July?
Tainan has a mean US Air Quality Index of about 72 in July.

Within 300 km: Kenting's Calm sea season around 1 Apr – 30 Sep.