Hà Giang weather in May

In May, Hà Giang sees average daytime highs of 29°C and overnight lows near 22°C, with 299 mm of rain across 24 wet days and about 13.1 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 10% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 48 min at the start of May to 13 h 18 min by month's end. Set against the rest of the year, May is Hà Giang's 6th-clearest and 3rd-windiest month. For the whole year in context, see Hà Giang's year-round climate.

Daytime high
29°
5th warmest
Overnight low
22°
8th coldest
Rainfall
299 mm
24 wet days
Daylight
13 h 06 min
5:24 AM – 6:29 PM
Cloud cover
76%
6th clearest
Wind
4 km/h
3rd windiest
Solar energy
4.28 kWh/m²
Travel score
3.8
out of 10

Hà Giang is capital city of Hà Giang province.

Density
411/km²
people per km²

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical May day in Hà Giang reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 32°C. Set against its neighbours, May runs about 3°C warmer than April and about 1°C cooler than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12821
22821
32821
42821
52821
62821
72821
82821
92821
102821
112821
122821
132822
142822
152922
162922
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
272923
282923
292923
302923
312923

How May really feels in Hà Giang

Once humidity and wind are folded in, May averages 5 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
5
heat index over the day's high
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.

Hà Giang weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 12°10616.510.84.5
Feb19° / 13°8715.311.24.9
Mar22° / 16°12918.111.85.2
Apr26° / 19°16920.512.54.8
May29° / 22°2992413.13.8
Jun30° / 23°3742713.42.9
Jul30° / 24°39628.213.32.8
Aug30° / 23°31826.312.83.0
Sep29° / 22°18919.412.14.2
Oct26° / 19°12115.311.55.8
Nov23° / 16°9713.410.96.1
Dec19° / 12°8512.610.65.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% 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 77%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23169
33169
43169
53169
63169
73169
83070
92971
102872
112872
122872
132674
142674
152674
162476
172377
182377
192278
202179
212179
221882
231882
241783
251684
261585
271486
281387
291288
301288
311189

Chance of precipitation in May

Any precipitation

Hà Giang gets around 299 mm of rain over 24 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 78% and peaks near 84% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
173
273
374
474
574
674
775
875
975
1076
1176
1276
1376
1476
1576
1677
1777
1877
1977
2078
2178
2279
2379
2480
2581
2681
2782
2883
2983
3084
3184

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
141434471
241334481
341333491
431332511
531232521
631231531
731130551
831129561
931028572
1031028572
113927592
123926593
133926593
143925603
153825604
162824624
172824615
182824615
192723635
201723636
211723636
221622656
231622656
241621666
251520686
261519687
270418717
280418717
290317737
300316747
310315757

Wind in May

Winds average 4 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 48 min at the start of May to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over May. Sunrise moves from 5:32 AM to 5:19 AM, and sunset from 6:22 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:326:22
212.95:326:23
312.95:316:23
412.95:306:24
512.95:306:24
612.95:296:24
712.95:286:25
813.05:286:25
913.05:276:26
1013.05:276:26
1113.05:266:27
1213.05:256:27
1313.05:256:28
1413.15:246:28
1513.15:246:29
1613.15:246:29
1713.15:236:30
1813.15:236:30
1913.15:226:31
2013.25:226:31
2113.25:216:31
2213.25:216:32
2313.25:216:32
2413.25:216:33
2513.25:206:33
2613.25:206:34
2713.25:206:34
2813.35:196:35
2913.35:196:35
3013.35:196:36
3113.35:196:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.28 kWh/m².

For context, solar energy here swings from a low near 2.03 kWh/m² to a high of 4.45 kWh/m² in August across the year — May's 4.28 kWh/m² sits near the top of that range.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in May

Hazard calendar for Hà Giang

In seasonPeak

In May, Hà Giang sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Hà Giang's rainy season runs May–September, when most of the year's rain falls.

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

Is May a good time to visit Hà Giang?

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

3.8
Sightseeing
9th-best month of the year
4.6
Beach & pool
4th-best month of the year

May is a weaker month for outdoor sightseeing in Hà Giang.

What to pack for Hà Giang in May

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

In May, Hà Giang sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. About 24 days see rain.

light clothesrain gear

UV index in Hà Giang in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Hà Giang peaks around June 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 21UV 13Dec 20UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar11Extreme
Apr9Very high
May10Extreme
Jun13Extreme
Jul13Extreme
Aug11Extreme
Sep10Very high
Oct8Very high
Nov7High
Dec6High

Air quality in Hà Giang 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 Hà Giang is worst in March — around 50 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (July, 19 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorMar 2150 µg/m³Jul 2119 µg/m³
PM2.5 (µg/m³)Level
Jan43Poor
Feb45Poor
Mar50Poor
Apr49Poor
May34Moderate
Jun23Moderate
Jul19Moderate
Aug20Moderate
Sep25Moderate
Oct32Moderate
Nov38Poor
Dec43Poor
Location & terrain

Where is Hà Giang?

Hà Giang sits at 22.8°N, 105.0°E, 107 m above sea level, in Vietnam. The nearest listed city is Bắc Quang, 40 km away.

Thị Trấn Phố LuLào CaiTuyên QuangBắc KạnThị Trấn Nước HaiYên Bái

Topography around Hà Giang

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

Within 3 km, the terrain around Hà Giang has large variations in elevation — a maximum elevation change of 656 m around an average of 198 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,993 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,490 m.

The land around Hà Giang is covered by trees (82%) within 3 km, trees (91%) within 16 km, and trees (84%) within 80 km.

3 km
656 m
16 km
1,993 m
80 km
2,490 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Bắc Quang 40 km · Thị Trấn Việt Quang 49 km · Thị Trấn Phố Lu 99 km · Lào Cai 111 km · Tuyên Quang 114 km · Bắc Kạn 115 km · Thị Trấn Nước Hai 120 km · Yên Bái 123 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 Hà Giang (22.8233°, 104.9836°, elevation 107 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. 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).