Bắc Giang weather in May

In May, Bắc Giang sees average daytime highs of 32°C and overnight lows near 25°C, with 261 mm of rain across 19.3 wet days and about 13 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 31°C in the first days to 32°C by the end. The sky is clear or mostly clear about 11% 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 Bắc Giang's 6th-clearest and 2nd-windiest month. For the whole year in context, see Bắc Giang's year-round climate.

Daytime high
32°
4th warmest
Overnight low
25°
9th coldest
Rainfall
261 mm
19.3 wet days
Daylight
13 hours
5:21 AM – 6:22 PM
Cloud cover
76%
6th clearest
Wind
9 km/h
2nd windiest
Solar energy
4.76 kWh/m²
Travel score
3.3
out of 10

Bắc Giang is former provincial city and capital of Bắc Giang province, Vietnam.

Density
6,739/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

Highs climb over the month, from about 31°C in the first days to 32°C by the end.

A typical May day in Bắc Giang 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 35°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)
13024
23124
33124
43124
53124
63124
73124
83125
93125
103125
113125
123125
133125
143125
153125
163225
173225
183225
193225
203225
213225
223225
233225
243225
253225
263226
273226
283226
293226
303226
313226

How May really feels in Bắc Giang

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
6 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.

Bắc Giang weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 14°377.110.86.3
Feb21° / 16°246.611.36.5
Mar24° / 18°5010.211.86.4
Apr28° / 22°8511.712.55.3
May32° / 25°26119.3133.3
Jun33° / 27°2852113.32.4
Jul33° / 27°30123.613.22.3
Aug32° / 26°36025.112.72.4
Sep32° / 25°23019.112.13.3
Oct29° / 22°10711.611.55.2
Nov26° / 19°577.3117.0
Dec22° / 15°336.210.77.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 75%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22872
32971
43070
53070
63169
73169
83169
93268
103268
113070
123070
132971
142872
152872
162773
172773
182575
192575
202476
212377
222278
232179
242080
252080
261882
271882
281882
291783
301783
311585

Chance of precipitation in May

Any precipitation

Bắc Giang gets around 261 mm of rain over 19.3 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 62% and peaks near 70% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
148
249
351
452
553
654
755
856
957
1058
1159
1260
1361
1462
1563
1663
1764
1865
1965
2066
2166
2267
2367
2468
2568
2668
2769
2869
2969
3069
3170

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
116163443
216163345
315153247
415153149
515142951
615132853
714132755
814122657
914122657
1014122558
1114112559
1214112460
1314112460
1413112461
1513102462
1613102462
1713102462
1813102462
1912102364
201292365
211292365
220292267
230292267
240282169
250182170
260172072
270171973
280161875
290151777
300151678
310041581

Wind in May

Winds average 9 km/h in May.

Across May, 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
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
278calm
288calm
298calm
308calm
318calm

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 5:29 AM to 5:17 AM, and sunset from 6:16 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:296:16
212.85:296:16
312.85:286:16
412.85:276:17
512.85:276:17
612.95:266:18
712.95:266:18
812.95:256:18
912.95:246:19
1012.95:246:19
1112.95:236:20
1213.05:236:20
1313.05:226:21
1413.05:226:21
1513.05:226:21
1613.05:216:22
1713.05:216:22
1813.05:206:23
1913.15:206:23
2013.15:206:24
2113.15:196:24
2213.15:196:24
2313.15:196:25
2413.15:186:25
2513.15:186:26
2613.15:186:26
2713.15:186:27
2813.25:176:27
2913.25:176:27
3013.25:176:28
3113.25:176:28

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.76 kWh/m².

For context, solar energy here swings from a low near 2.19 kWh/m² to a high of 4.86 kWh/m² in June across the year — May's 4.76 kWh/m² sits near the top of that range.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
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 Bắc Giang

In seasonPeak

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

Bắc Giang's monsoon runs May–September, when most of the year's rain falls.

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

Is May a good time to visit Bắc Giang?

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
5.0
Beach & pool
6th-best month of the year

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

What to pack for Bắc Giang in May

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

In May, Bắc Giang sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Bắc Giang 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 Bắc Giang 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 Bắc 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 Bắc Giang is worst in December — around 92 µg/m³ PM2.5 (unhealthy), about 2.6× the cleanest month (July, 35 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyDec 2192 µg/m³Jul 1335 µg/m³
PM2.5 (µg/m³)Level
Jan90Unhealthy
Feb80Unhealthy
Mar76Unhealthy
Apr66Unhealthy
May49Poor
Jun37Poor
Jul35Moderate
Aug40Poor
Sep59Unhealthy
Oct74Unhealthy
Nov82Unhealthy
Dec92Unhealthy
Location & terrain

Where is Bắc Giang?

Bắc Giang sits at 21.3°N, 106.2°E, 14 m above sea level, in Vietnam. The nearest listed city is Việt Yên, 6.0 km away.

Topography around Bắc Giang

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

Within 3 km, the terrain around Bắc Giang has only modest variations in elevation — a maximum elevation change of 17 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 247 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,720 m.

The land around Bắc Giang is covered by artificial surfaces (45%), cropland (22%) and trees (20%) within 3 km, cropland (49%) and trees (28%) within 16 km, and trees (57%) and cropland (28%) within 80 km.

3 km
17 m
16 km
247 m
80 km
1,720 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Việt Yên 6.0 km · Cung Kiệm 10 km · Bắc Ninh 16 km · Chí Linh 26 km · Thuận Thanh 28 km · Từ Sơn 30 km · Phổ Yên 36 km · Sóc Sơn 36 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 Bắc Giang (21.2731°, 106.1946°, elevation 14 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).