Thị Trấn Đại Từ weather in May

In May, Thị Trấn Đại Từ sees average daytime highs of 31°C and overnight lows near 24°C, with 260 mm of rain across 19.8 wet days and about 13 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 10% 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 Thị Trấn Đại Từ's 6th-clearest and 3rd-windiest month. For the whole year in context, see Thị Trấn Đại Từ's year-round climate.

Daytime high
31°
5th warmest
Overnight low
24°
8th coldest
Rainfall
260 mm
19.8 wet days
Daylight
13 hours
5:23 AM – 6:25 PM
Cloud cover
77%
6th clearest
Wind
7 km/h
3rd windiest
Solar energy
4.45 kWh/m²
Travel score
3.4
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical May day in Thị Trấn Đại Từ reaches about 31°C in the afternoon and slips back to 24°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 1°C cooler than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273125
283125
293225
303225
313225

How May really feels in Thị Trấn Đại Từ

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
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 Đại Từ 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
Jan19° / 13°4910.810.85.7
Feb21° / 15°381011.35.9
Mar23° / 18°7112.911.86.0
Apr28° / 21°11213.612.55.3
May31° / 24°26019.8133.4
Jun32° / 25°36322.513.32.6
Jul32° / 26°35224.913.22.5
Aug32° / 25°34325.212.72.6
Sep31° / 24°20617.812.13.5
Oct29° / 21°901111.55.5
Nov25° / 18°587.9117.0
Dec21° / 14°38810.76.6

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%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22872
32971
42971
52971
62971
73070
83070
92971
102872
112773
122773
132674
142674
152674
162476
172476
182476
192377
202278
212080
222080
232080
241882
251882
261882
271684
281684
291684
301486
311486

Chance of precipitation in May

Any precipitation

Thị Trấn Đại Từ gets around 260 mm of rain over 19.8 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 64% and peaks near 73% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
152
253
354
455
556
657
758
859
960
1061
1161
1262
1363
1463
1564
1665
1765
1866
1966
2067
2167
2268
2368
2469
2569
2670
2771
2871
2972
3072
3173

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 52% 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 (%)
118184231
217184133
317184035
406183936
506183838
605173740
705173642
805163643
904163545
1004153446
1104153447
1204143448
1304143349
1403133351
1503133351
1603133252
1703123253
1802123254
1902113156
2002113156
2102103058
2202103058
2302102959
240192961
250192862
260182764
270172666
280162568
290162469
300152371
310152272

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 6:18 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:316:18
212.85:306:19
312.85:306:19
412.85:296:19
512.95:296:20
612.95:286:20
712.95:276:21
812.95:276:21
912.95:266:22
1012.95:266:22
1113.05:256:22
1213.05:256:23
1313.05:246:23
1413.05:246:24
1513.05:236:24
1613.05:236:25
1713.05:226:25
1813.15:226:25
1913.15:226:26
2013.15:216:26
2113.15:216:27
2213.15:216:27
2313.15:206:28
2413.15:206:28
2513.15:206:29
2613.25:196:29
2713.25:196:29
2813.25:196:30
2913.25:196:30
3013.25:196:31
3113.25:196:31

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.45 kWh/m².

For context, solar energy here swings from a low near 2.07 kWh/m² to a high of 4.56 kWh/m² in June across the year — May's 4.45 kWh/m² sits near the top of that range.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in May

Hazard calendar for Thị Trấn Đại Từ

In seasonPeak

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

Thị Trấn Đại Từ'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 Đại Từ?

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

3.4
Sightseeing
9th-best month of the year
5.0
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Thị Trấn Đại Từ.

What to pack for Thị Trấn Đại Từ in May

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

In May, Thị Trấn Đại Từ sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. About 20 days see rain.

light clothesrain gear

UV index in Thị Trấn Đại Từ in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (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 Đại Từ peaks around June 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 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 23UV 12Nov 21UV 6
UV index (midday)Level
Jan6High
Feb7High
Mar9Very high
Apr6High
May9Very high
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep8Very high
Oct8Very high
Nov5High
Dec6High

Air quality in Thị Trấn Đại Từ 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 Đại Từ is worst in December — around 102 µg/m³ PM2.5 (unhealthy), about 2.8× the cleanest month (July, 37 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyDec 20102 µg/m³Jul 1738 µg/m³
PM2.5 (µg/m³)Level
Jan98Unhealthy
Feb89Unhealthy
Mar86Unhealthy
Apr79Unhealthy
May57Unhealthy
Jun44Poor
Jul37Poor
Aug44Poor
Sep59Unhealthy
Oct76Unhealthy
Nov92Unhealthy
Dec102Unhealthy
Location & terrain

Where is Thị Trấn Đại Từ?

Thị Trấn Đại Từ sits at 21.6°N, 105.6°E, 63 m above sea level, in Vietnam. The nearest listed city is Thái Nguyên, 22 km away.

Topography around Thị Trấn Đại Từ

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

Within 3 km, the terrain around Thị Trấn Đại Từ has only modest variations in elevation — a maximum elevation change of 204 m around an average of 76 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,764 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,694 m.

The land around Thị Trấn Đại Từ is covered by trees (71%) within 3 km, trees (86%) within 16 km, and trees (78%) within 80 km.

3 km
204 m
16 km
1,764 m
80 km
1,694 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Thái Nguyên 22 km · Thành phố Sông Công 27 km · Phổ Yên 35 km · Vĩnh Yên 36 km · Việt Trì 42 km · Phúc Yên 45 km · Sóc Sơn 47 km · Cổ Đô 49 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 Đại Từ (21.6338°, 105.6377°, elevation 63 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).