Tianjin weather in May

In May, Tianjin sees average daytime highs of 27°C and overnight lows near 16°C, with 39 mm of rain across 5.6 wet days and about 14.1 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 29°C by the end. The sky is clear or mostly clear about 44% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of May to 14 h 30 min by month's end. Set against the rest of the year, May is Tianjin's 9th-clearest and 2nd-windiest month. For the whole year in context, see Tianjin's year-round climate.

Daytime high
27°
4th warmest
Overnight low
16°
8th coldest
Rainfall
39 mm
5.6 wet days
Daylight
14 h 06 min
5:03 AM – 7:12 PM
Cloud cover
49%
9th clearest
Wind
13 km/h
2nd windiest
Solar energy
6.18 kWh/m²
Travel score
7.0
out of 10
Air quality
Severe
PM2.5 60.2 µg/m³ · 2018

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 25°C in the first days to 29°C by the end.

A typical May day in Tianjin reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 32°C. Set against its neighbours, May runs about 6°C warmer than April and about 4°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12413
22513
32513
42514
52514
62514
72514
82614
92615
102615
112615
122615
132615
142715
152716
162716
172716
182816
192816
202817
212817
222817
232917
242917
252918
262918
272918
282918
292918
303018
313018

How May really feels in Tianjin

Once humidity and wind are folded in, May averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Tianjin weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -7°30.919.60.0
Feb / -4°61.4110.50.7
Mar13° / 102.40.511.74.5
Apr21° / 10°294.50.1137.5
May27° / 16°395.6014.17.0
Jun31° / 21°868.3014.74.8
Jul32° / 23°17513.3014.53.9
Aug30° / 22°13511.9013.54.6
Sep27° / 17°556.4012.37.1
Oct20° / 10°384.90117.3
Nov11° / 142.60.89.93.2
Dec / -5°41.10.99.30.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26040
35941
45842
55842
65743
75644
85644
95545
105545
115545
125545
135545
145644
155644
165644
175743
185743
195842
205941
216040
226040
236040
246040
256040
266040
275941
285842
295842
305743
315644

Chance of precipitation in May

Any precipitation

Tianjin gets around 39 mm of rain over 5.6 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 18% and peaks near 19% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
118
218
318
418
519
619
719
819
919
1019
1119
1219
1319
1419
1519
1619
1718
1818
1918
2018
2118
2217
2317
2417
2517
2617
2717
2817
2917
3017
3118

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 74% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
191810
290910
390910
4891010
5891010
6881110
7871120
8861220
9861220
10851320
11831331
12821431
13801541
14791641
15781651
16771751
17751861
18731971
19722071
20702181
21682291
22672391
236524101
246325111
256126121
266026131
275727151
285528161
295229181
305030191
314730212

Wind in May

Winds average 13 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 36 min at the start of May to 14 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over May. Sunrise moves from 5:20 AM to 4:53 AM, and sunset from 6:57 PM to 7:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:206:57
213.75:196:58
313.75:176:59
413.75:167:00
513.85:157:01
613.85:147:02
713.85:137:03
813.95:127:04
913.95:107:05
1013.95:097:06
1114.05:087:07
1214.05:077:08
1314.05:067:09
1414.15:057:10
1514.15:047:11
1614.15:037:12
1714.25:037:13
1814.25:027:13
1914.25:017:14
2014.35:007:15
2114.34:597:16
2214.34:597:17
2314.34:587:18
2414.44:577:19
2514.44:567:20
2614.44:567:20
2714.44:557:21
2814.54:557:22
2914.54:547:23
3014.54:547:24
3114.54:537:24

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.18 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.31 kWh/m² to a high of 6.18 kWh/m² in May across the year — May's 6.18 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
36.0Bright
46.0Bright
56.0Bright
66.0Bright
76.0Bright
86.0Bright
96.0Bright
106.0Bright
116.0Bright
126.0Intense
136.0Intense
146.0Intense
156.1Intense
166.1Intense
176.2Intense
186.2Intense
196.2Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
316.4Intense
Planning a trip in May

Hazard calendar for Tianjin

In seasonPeak

In May, Tianjin sits inside its pacific typhoon and dust season. The full year is below, with each hazard's peak months called out.

Tianjin sits in the Pacific typhoon belt; the season peaks July–October.

Tianjin's rainy season runs June–August, when most of the year's rain falls.

Tianjin sees seasonal dust haze (April–May), heaviest in April.

Pacific typhoon
Rainy season
Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Tianjin?

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

7.0
Sightseeing
4th-best month of the year
7.4
Beach & pool
1st-best month of the year

May is one of the better times to visit Tianjin for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Tianjin in May

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

In May, Tianjin sees daytime highs around 27°C and nights near 16°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near Tianjin in May

The nearest coast averages about 16°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 49 km away) is warmest in August at about 26°C and coldest in February near 2°C.

It's comfortable for a long swim from Jun 9 to Oct 4 — about 3.9 months when the water holds above 20°C.

0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan3Bracing
Feb2Bracing
Mar4Bracing
Apr10Bracing
May16Cool
Jun21Refreshing
Jul25Warm
Aug26Warm
Sep23Refreshing
Oct18Cool
Nov12Bracing
Dec7Bracing

UV index in Tianjin in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tianjin peaks around July 23 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highModerateLowJul 23UV 7Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May7Very high
Jun7High
Jul8Very high
Aug7Very high
Sep7High
Oct4Moderate
Nov2Low
Dec2Low

Air quality in Tianjin in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Tianjin is worst in January — around 88 µg/m³ PM2.5 (unhealthy), about 2.3× the cleanest month (July, 38 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Tianjin's WHO annual average of 60.2 µg/m³.

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyJan 988 µg/m³Jul 1538 µg/m³
PM2.5 (µg/m³)Level
Jan88Unhealthy
Feb78Unhealthy
Mar70Unhealthy
Apr50Poor
May43Poor
Jun40Poor
Jul38Poor
Aug40Poor
Sep48Poor
Oct64Unhealthy
Nov76Unhealthy
Dec88Unhealthy
Location & terrain

Where is Tianjin?

Tianjin sits at 39.1°N, 117.2°E, 11 m above sea level, in China. The nearest listed city is Beijing, 108 km away.

DatongDalianQingdaoZhengzhouSinŭiju

Topography around Tianjin

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tianjin.

Within 3 km, the terrain around Tianjin has only modest variations in elevation — a maximum elevation change of 31 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 54 m; within 80 km, only modest variations in elevation — a maximum elevation change of 63 m.

The land around Tianjin is covered by artificial surfaces (86%) within 3 km, artificial surfaces (59%) and cropland (26%) within 16 km, and cropland (58%) within 80 km.

3 km
31 m
16 km
54 m
80 km
63 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Beijing 108 km · Chengde 212 km · Jinan 276 km · Datong 349 km · Dalian 383 km · Qingdao 443 km · Zhengzhou 580 km · Sinŭiju 627 km

China travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / I
220 V · 50 Hz
Prices
≈ 47% of US
price level, 2025
GDP per capita
$13,862
2025
Happiness
6.1 / 10
World Happiness, 2025
Homicide rate
0.5
per 100k, 2020
Road deaths
17.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 464
Religion
unaffiliated 52%folk religion 22%Buddhist 18%Christian 5%

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 Tianjin (39.1422°, 117.1767°, elevation 11 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).