Tainan weather in July

In July, Tainan sees average daytime highs of 32°C and overnight lows near 27°C, with 305 mm of rain across 19.1 wet days and about 13.3 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 15% of the time in July, and the air most often feels miserable.

Daylight stretches from about 13 h 24 min at the start of July to 13 h 06 min by month's end. Set against the rest of the year, July is Tainan's 10th-clearest and 8th-windiest month. For the whole year in context, see Tainan's year-round climate.

Daytime high
32°
1st warmest
Overnight low
27°
12th coldest
Rainfall
305 mm
19.1 wet days
Daylight
13 h 18 min
5:26 AM – 6:43 PM
Cloud cover
75%
10th clearest
Wind
9 km/h
8th windiest
Solar energy
5.43 kWh/m²
Travel score
3.2
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical July day in Tainan reaches about 32°C in the afternoon and slips back to 27°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, July runs on par with June and on par with August.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
13227
23227
33227
43227
53227
63227
73227
83227
93227
103227
113227
123227
133227
143227
153227
163227
173227
183227
193227
203227
213227
223227
233227
243227
253227
263227
273227
283227
293227
303227
313227

How July really feels in Tainan

Once humidity and wind are folded in, July averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
31 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Tainan weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 16°497.210.77.4
Feb23° / 17°447.811.27.3
Mar25° / 19°589.211.87.0
Apr28° / 22°12011.812.55.8
May30° / 25°29918.713.14.0
Jun31° / 26°39319.713.43.2
Jul32° / 27°30519.113.33.2
Aug31° / 26°40121.112.83.2
Sep31° / 26°18413.612.14.1
Oct29° / 24°546.411.55.9
Nov27° / 21°415.710.97.3
Dec24° / 18°476.410.67.7

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 15% of July, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23169
33070
43070
53070
62971
72872
82872
92773
102773
112674
122575
132575
142674
152773
162872
172872
182872
192971
203070
213070
223169
233169
243169
253367
263367
273268
283367
293367
303268
313268

Chance of precipitation in July

Any precipitation

Tainan gets around 305 mm of rain over 19.1 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 61% and peaks near 67% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
156
256
357
457
557
658
759
860
960
1061
1162
1262
1362
1462
1561
1661
1761
1861
1961
2061
2162
2262
2362
2463
2563
2663
2764
2865
2965
3066
3167

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the miserable band about 99% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25199
26199
27298
28298
29298
30298
31298

Wind in July

Winds average 9 km/h in July.

Across July, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
299calm
309calm
319calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 24 min at the start of July to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over July. Sunrise moves from 5:21 AM to 5:33 AM, and sunset from 6:44 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:216:44
213.45:216:44
313.45:216:44
413.45:226:45
513.45:226:45
613.45:226:45
713.45:236:44
813.45:236:44
913.35:236:44
1013.35:246:44
1113.35:246:44
1213.35:256:44
1313.35:256:44
1413.35:256:44
1513.35:266:44
1613.35:266:43
1713.35:276:43
1813.35:276:43
1913.35:276:43
2013.25:286:42
2113.25:286:42
2213.25:296:42
2313.25:296:41
2413.25:306:41
2513.25:306:41
2613.25:306:40
2713.15:316:40
2813.15:316:39
2913.15:326:39
3013.15:326:38
3113.15:336:38

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.43 kWh/m² — the sunniest month for solar.

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 — July's 5.43 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in July

Hazard calendar for Tainan

In seasonPeak

In July, Tainan sits inside its pacific typhoon and monsoon 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.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is July a good time to visit Tainan?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.2
Sightseeing
10th-best month of the year
5.0
Beach & pool
10th-best month of the year

July is a weaker month for outdoor sightseeing in Tainan.

What to pack for Tainan in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, Tainan sees daytime highs around 32°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Tainan in July

The nearest coast averages about 29°C in July — 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.

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb24Refreshing
Mar24Warm
Apr26Warm
May28Warm
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Warm
Nov26Warm
Dec25Warm

UV index in Tainan in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJun 17UV 12Dec 22UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Very high
Apr9Very high
May9Very high
Jun12Extreme
Jul10Very high
Aug12Extreme
Sep11Extreme
Oct8Very high
Nov7Very high
Dec6High

Air quality in Tainan in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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).

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorMar 1848 µg/m³Jul 1828 µg/m³
PM2.5 (µg/m³)Level
Jan41Poor
Feb44Poor
Mar48Poor
Apr46Poor
May38Poor
Jun30Moderate
Jul27Moderate
Aug29Moderate
Sep38Poor
Oct40Poor
Nov40Poor
Dec36Poor
Location & terrain

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.

YujingXinyingKaohsiungFengshanBudaiTaibaoChiayi City

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.

3 km
40 m
16 km
136 m
80 km
3,645 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Yongkang 6.0 km · Yujing 29 km · Xinying 37 km · Kaohsiung 43 km · Fengshan 43 km · Budai 43 km · Taibao 54 km · Chiayi City 59 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
Buddhist 35%Taoist 33%none or unspecified 18%folk religion approximately 10%

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).