Tây Hồ weather in May

In May, Tây Hồ sees average daytime highs of 32°C and overnight lows near 25°C, with 232 mm of rain across 17.5 wet days and about 13 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 31°C in the first days to 33°C by the end. The sky is clear or mostly clear about 12% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 48 min at the start of May to 13 h 12 min by month's end. Set against the rest of the year, May is Tây Hồ's 6th-clearest and 3rd-windiest month. For the whole year in context, see Tây Hồ's year-round climate.

Daytime high
32°
4th warmest
Overnight low
25°
9th coldest
Rainfall
232 mm
17.5 wet days
Daylight
13 hours
5:23 AM – 6:23 PM
Cloud cover
76%
6th clearest
Wind
8 km/h
3rd windiest
Solar energy
4.77 kWh/m²
Travel score
3.3
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 31°C in the first days to 33°C by the end.

A typical May day in Tây Hồ reaches about 32°C in the afternoon and slips back to 25°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 36°C. Set against its neighbours, May runs about 3°C warmer than April and about 2°C cooler than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73125
83125
93125
103225
113225
123225
133225
143225
153225
163225
173225
183225
193225
203225
213225
223226
233226
243226
253226
263226
273326
283326
293326
303326
313326

How May really feels in Tây Hồ

Once humidity and wind are folded in, May 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
10 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Tây Hồ weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 15°407.710.96.3
Feb22° / 16°266.711.36.6
Mar25° / 19°529.611.96.5
Apr29° / 22°10011.112.55.2
May32° / 25°23217.5133.3
Jun33° / 27°22618.313.32.4
Jul33° / 27°25920.413.22.4
Aug33° / 26°31422.512.72.5
Sep32° / 25°22618.712.13.3
Oct29° / 23°12111.911.55.2
Nov26° / 19°577.3117.1
Dec22° / 16°336.610.77.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 76%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22872
33070
43070
53070
63070
73070
83070
93070
103070
112971
122971
132872
142773
152674
162674
172575
182476
192377
202377
212278
222278
232080
241981
251882
261882
271882
281684
291684
301684
311585

Chance of precipitation in May

Any precipitation

Tây Hồ gets around 232 mm of rain over 17.5 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 56% and peaks near 63% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
144
245
346
447
548
649
750
851
952
1053
1154
1255
1356
1457
1558
1658
1759
1859
1960
2060
2161
2261
2362
2462
2562
2663
2763
2863
2963
3063
3163

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 66% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
114163347
204153248
304153150
403143152
503143053
603132955
703132856
803122758
902122660
1002112562
1102112562
1202112463
1302112463
1402112364
1501102366
1601102267
1701102267
1801102267
190192169
200192169
210182170
220182071
230082072
240071974
250071875
260061876
270061777
280051679
290041581
300041482
310031384

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 48 min at the start of May to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over May. Sunrise moves from 5:31 AM to 5:19 AM, and sunset from 6:17 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:316:17
212.85:306:17
312.85:306:18
412.85:296:18
512.85:296:18
612.85:286:19
712.95:276:19
812.95:276:20
912.95:266:20
1012.95:266:20
1112.95:256:21
1212.95:256:21
1313.05:246:22
1413.05:246:22
1513.05:236:23
1613.05:236:23
1713.05:236:23
1813.05:226:24
1913.05:226:24
2013.15:216:25
2113.15:216:25
2213.15:216:26
2313.15:216:26
2413.15:206:26
2513.15:206:27
2613.15:206:27
2713.15:206:28
2813.15:196:28
2913.25:196:29
3013.25:196:29
3113.25:196:29

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.77 kWh/m².

For context, solar energy here swings from a low near 2.16 kWh/m² to a high of 4.89 kWh/m² in June across the year — May's 4.77 kWh/m² sits near the top of that range.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in May

Hazard calendar for Tây Hồ

In seasonPeak

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

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

Tây Hồ'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 May a good time to visit Tây Hồ?

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

3.3
Sightseeing
8th-best month of the year
5.2
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Tây Hồ.

What to pack for Tây Hồ in May

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

In May, Tây Hồ sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Tây Hồ in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Tây Hồ peaks around June 20 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highVery highExtremeVery highHighJun 20UV 11Nov 23UV 6
UV index (midday)Level
Jan6High
Feb7Very high
Mar9Very high
Apr6High
May8Very high
Jun11Extreme
Jul10Extreme
Aug9Very high
Sep8Very high
Oct8Very high
Nov6High
Dec6High

Air quality in Tây Hồ 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 Tây Hồ is worst in December — around 171 µg/m³ PM2.5 (very unhealthy), about 3.4× the cleanest month (July, 50 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecVery unhealthyUnhealthyPoorUnhealthyVery unhealthyDec 19170 µg/m³Jul 1452 µg/m³
PM2.5 (µg/m³)Level
Jan161Very unhealthy
Feb136Unhealthy
Mar122Unhealthy
Apr106Unhealthy
May76Unhealthy
Jun59Unhealthy
Jul50Poor
Aug68Unhealthy
Sep96Unhealthy
Oct125Unhealthy
Nov152Very unhealthy
Dec171Very unhealthy
Location & terrain

Where is Tây Hồ?

Tây Hồ sits at 21.1°N, 105.8°E, 13 m above sea level, in Vietnam. The nearest listed city is Nghĩa Đô, 2.0 km away.

Topography around Tây Hồ

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

Within 3 km, the terrain around Tây Hồ has only modest variations in elevation — a maximum elevation change of 22 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 36 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,720 m.

The land around Tây Hồ is covered by artificial surfaces (46%) and water (23%) within 3 km, artificial surfaces (38%), trees (27%) and cropland (23%) within 16 km, and trees (55%) and cropland (31%) within 80 km.

3 km
22 m
16 km
36 m
80 km
1,720 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Nghĩa Đô 2.0 km · Ba Dinh 4.0 km · Liễu Giai 4.0 km · Dịch Vọng 4.0 km · Cầu Giấy 4.0 km · Yên Phụ 5.0 km · Mai Dịch 5.0 km · Láng Thượng 5.0 km

Vietnam travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C / F
220 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,066
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
59%
of population, 2024
Homicide rate
1.5
per 100k, 2011
Road deaths
30.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 500
Religion
none 86%Catholic 6%Buddhist 6%Protestant 1%

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 Tây Hồ (21.069°, 105.8105°, elevation 13 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). 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).