Thị Trấn Trùng Khánh weather in May

In May, Thị Trấn Trùng Khánh sees average daytime highs of 28°C and overnight lows near 22°C, with 210 mm of rain across 22 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 28°C through the month. The sky is clear or mostly clear about 9% 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 Thị Trấn Trùng Khánh's 6th-clearest and 3rd-windiest month. For the whole year in context, see Thị Trấn Trùng Khánh's year-round climate.

Daytime high
28°
5th warmest
Overnight low
22°
8th coldest
Rainfall
210 mm
22 wet days
Daylight
13 h 06 min
5:17 AM – 6:23 PM
Cloud cover
77%
6th clearest
Wind
9 km/h
3rd windiest
Solar energy
4.3 kWh/m²
Travel score
4.1
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical May day in Thị Trấn Trùng Khánh reaches about 28°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)
12721
22821
32821
42821
52821
62821
72821
82821
92821
102822
112822
122822
132822
142822
152822
162822
172822
182922
192922
202922
212922
222922
232922
242922
252922
262922
272923
282923
292923
302923
312923

How May really feels in Thị Trấn Trùng Khánh

Once humidity and wind are folded in, May averages 4 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
4
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.

Thị Trấn Trùng Khánh 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
Jan16° / 10°6112.110.84.5
Feb18° / 12°4610.611.25.2
Mar21° / 15°8115.511.85.4
Apr25° / 19°10416.712.55.4
May28° / 22°2102213.14.1
Jun30° / 24°29124.813.43.1
Jul30° / 24°2962613.33.0
Aug30° / 23°26023.812.83.3
Sep29° / 22°15116.812.14.6
Oct26° / 19°761111.56.4
Nov22° / 15°639.110.96.7
Dec18° / 11°46910.65.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% 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 77%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22872
32872
42773
52872
62872
72872
82872
92872
102872
112773
122773
132674
142575
152575
162476
172476
182278
192278
202278
212179
222080
231981
241882
251882
261783
271684
281684
291486
301486
311387

Chance of precipitation in May

Any precipitation

Thị Trấn Trùng Khánh gets around 210 mm of rain over 22 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 71% and peaks near 76% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
164
265
365
466
567
667
768
869
969
1070
1171
1271
1371
1471
1571
1671
1772
1872
1972
2072
2172
2272
2373
2473
2573
2674
2774
2874
2975
3076
3176

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1181527481
2181527491
3171426511
4171426511
5161425531
6161325532
7161325532
8151324543
9151324543
10151224544
11151224535
12141224536
13141224527
14141224518
15141124528
16131124529
171311245110
181311245011
191311245011
200310245112
210210235212
220210235312
23029235313
24029225413
25028225513
26018215713
27017215714
28016205914
29016196014
30015186115
31014186116

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
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
218calm
228calm
238calm
248calm
258calm
268calm
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 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 5:26 AM to 5:13 AM, and sunset from 6:16 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:266:16
212.95:256:17
312.95:256:17
412.95:246:17
512.95:236:18
612.95:236:18
712.95:226:19
813.05:226:19
913.05:216:20
1013.05:206:20
1113.05:206:21
1213.05:196:21
1313.05:196:22
1413.15:186:22
1513.15:186:22
1613.15:176:23
1713.15:176:23
1813.15:166:24
1913.15:166:24
2013.25:166:25
2113.25:156:25
2213.25:156:26
2313.25:156:26
2413.25:146:27
2513.25:146:27
2613.25:146:28
2713.25:146:28
2813.35:136:29
2913.35:136:29
3013.35:136:29
3113.35:136:30

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.3 kWh/m².

For context, solar energy here swings from a low near 2.06 kWh/m² to a high of 4.49 kWh/m² in August across the year — May's 4.3 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
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
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in May

Hazard calendar for Thị Trấn Trùng Khánh

In seasonPeak

In May, Thị Trấn Trùng Khánh sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Thị Trấn Trùng Khánh'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 Thị Trấn Trùng Khánh?

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

4.1
Sightseeing
9th-best month of the year
4.9
Beach & pool
4th-best month of the year

May is a reasonable time to visit Thị Trấn Trùng Khánh for sightseeing.

What to pack for Thị Trấn Trùng Khánh in May

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

In May, Thị Trấn Trùng Khánh sees daytime highs around 28°C and nights near 22°C. Pack light clothes and rain gear. About 22 days see rain.

light clothesrain gear

UV index in Thị Trấn Trùng Khánh 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 Thị Trấn Trùng Khánh peaks around June 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 22UV 13Dec 19UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Extreme
Apr7Very high
May8Very high
Jun13Extreme
Jul12Extreme
Aug10Extreme
Sep9Very high
Oct7High
Nov6High
Dec6High

Air quality in Thị Trấn Trùng Khánh 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 Thị Trấn Trùng Khánh is worst in April — around 44 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (July, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorApr 944 µg/m³Jul 2020 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb41Poor
Mar44Poor
Apr44Poor
May30Moderate
Jun23Moderate
Jul20Moderate
Aug21Moderate
Sep24Moderate
Oct28Moderate
Nov33Moderate
Dec39Poor
Location & terrain

Where is Thị Trấn Trùng Khánh?

Thị Trấn Trùng Khánh sits at 22.8°N, 106.5°E, 530 m above sea level, in Vietnam. The nearest listed city is Cao Bằng, 33 km away.

Bắc KạnLạng SơnThị Trấn Na DươngThái NguyênHà Giang

Topography around Thị Trấn Trùng Khánh

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Thị Trấn Trùng Khánh.

Within 3 km, the terrain around Thị Trấn Trùng Khánh has significant variations in elevation — a maximum elevation change of 338 m around an average of 577 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 630 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,792 m.

The land around Thị Trấn Trùng Khánh is covered by trees (56%) and cropland (25%) within 3 km, trees (75%) within 16 km, and trees (83%) within 80 km.

3 km
338 m
16 km
630 m
80 km
1,792 m
treesgrasslandcroplandartificial surfaces
May weather nearby: Cao Bằng 33 km · Thị Trấn Nước Hai 40 km · Thị Trấn Thất Khê 65 km · Bắc Kạn 104 km · Lạng Sơn 112 km · Thị Trấn Na Dương 134 km · Thái Nguyên 155 km · Hà Giang 158 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 Thị Trấn Trùng Khánh (22.8351°, 106.525°, elevation 530 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).