Phủ Lý weather in May

In May, Phủ Lý sees average daytime highs of 32°C and overnight lows near 25°C, with 194 mm of rain across 16.1 wet days and about 13 hours of daylight. It is the 4th-warmest and 5th-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 11% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 42 min at the start of May to 13 h 06 min by month's end. Set against the rest of the year, May is Phủ Lý's 6th-clearest and 2nd-windiest month. For the whole year in context, see Phủ Lý's year-round climate.

Daytime high
32°
4th warmest
Overnight low
25°
9th coldest
Rainfall
194 mm
16.1 wet days
Daylight
13 hours
5:23 AM – 6:22 PM
Cloud cover
76%
6th clearest
Wind
9 km/h
2nd windiest
Solar energy
5.09 kWh/m²
Travel score
3.4
out of 10

Phủ Lý is the former provincial capital of the former Ha Nam province, Vietnam.

Density
1,555/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 33°C by the end.

A typical May day in Phủ Lý reaches about 32°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°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
53125
63125
73125
83125
93125
103125
113125
123125
133225
143225
153225
163225
173225
183225
193226
203226
213226
223226
233226
243226
253226
263326
273326
283326
293326
303326
313326

How May really feels in Phủ Lý

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
11 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.

Phủ Lý weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 15°336.610.96.5
Feb22° / 16°215.211.36.8
Mar24° / 19°438.311.96.7
Apr28° / 22°719.712.55.6
May32° / 25°19416.1133.4
Jun34° / 27°19415.913.22.5
Jul33° / 27°25319.613.12.5
Aug32° / 26°34023.812.72.5
Sep31° / 25°2742112.13.2
Oct29° / 23°14213.911.55.1
Nov26° / 19°598116.9
Dec22° / 16°295.510.87.1

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 13% of May, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
23070
33070
43070
53070
63169
73169
83169
93070
103070
113070
123070
132971
142773
152773
162674
172575
182476
192377
202377
212278
222080
232080
241882
251882
261783
271783
281585
291585
301486
311486

Chance of precipitation in May

Any precipitation

Phủ Lý gets around 194 mm of rain over 16.1 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 52% and peaks near 58% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
141
241
342
443
544
645
746
847
947
1048
1149
1250
1351
1452
1552
1653
1754
1854
1955
2055
2156
2256
2357
2457
2558
2658
2758
2858
2958
3058
3158

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 69% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
14133152
24123054
33122956
43112858
53102760
63102661
7392563
8392464
9392464
10382366
11282268
12282268
13282268
14282268
15282169
16272170
17272170
18272170
19272071
20262072
21162073
22161974
23161974
24151876
25151777
26151777
27141679
28131581
29031483
30021385
31021286

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 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
1210calm
1310calm
1410calm
1510calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 42 min at the start of May to 13 h 06 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 6:16 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:316:16
212.85:316:16
312.85:306:17
412.85:296:17
512.85:296:17
612.85:286:18
712.85:286:18
812.95:276:19
912.95:276:19
1012.95:266:19
1112.95:266:20
1212.95:256:20
1312.95:256:21
1412.95:246:21
1513.05:246:21
1613.05:236:22
1713.05:236:22
1813.05:236:23
1913.05:226:23
2013.05:226:23
2113.05:226:24
2213.05:216:24
2313.15:216:25
2413.15:216:25
2513.15:216:26
2613.15:206:26
2713.15:206:26
2813.15:206:27
2913.15:206:27
3013.15:206:28
3113.15:196:28

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.09 kWh/m².

For context, solar energy here swings from a low near 2.32 kWh/m² to a high of 5.17 kWh/m² in June across the year — May's 5.09 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in May

Hazard calendar for Phủ Lý

In seasonPeak

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

Phủ Lý sits in the Pacific typhoon belt; the season peaks July–October.

Phủ Lý'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 Phủ Lý?

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

3.4
Sightseeing
8th-best month of the year
5.4
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Phủ Lý.

What to pack for Phủ Lý in May

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

In May, Phủ Lý sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Phủ Lý in May

The nearest coast averages about 27°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 67 km away) is warmest in August at about 30°C and coldest in February near 20°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb20Refreshing
Mar21Refreshing
Apr24Refreshing
May27Warm
Jun29Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct28Tropical
Nov26Warm
Dec23Refreshing

UV index in Phủ Lý 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 Phủ Lý peaks around July 12 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highVery highExtremeVery highHighJul 12UV 11Dec 16UV 6
UV index (midday)Level
Jan7High
Feb8Very high
Mar9Very high
Apr7High
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep8Very high
Oct8Very high
Nov7High
Dec6High

Air quality in Phủ Lý 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 Phủ Lý is worst in December — around 134 µg/m³ PM2.5 (unhealthy), about 3.8× the cleanest month (July, 35 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyDec 20132 µg/m³Jul 1536 µg/m³
PM2.5 (µg/m³)Level
Jan126Unhealthy
Feb106Unhealthy
Mar94Unhealthy
Apr87Unhealthy
May60Unhealthy
Jun42Poor
Jul35Moderate
Aug46Poor
Sep69Unhealthy
Oct93Unhealthy
Nov116Unhealthy
Dec134Unhealthy
Location & terrain

Where is Phủ Lý?

Phủ Lý sits at 20.5°N, 105.9°E, 8 m above sea level, in Vietnam. The nearest listed city is Hưng Yên, 18 km away.

Topography around Phủ Lý

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

Within 3 km, the terrain around Phủ Lý has only modest variations in elevation — a maximum elevation change of 14 m around an average of 5 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 433 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,248 m.

The land around Phủ Lý is covered by artificial surfaces (44%), cropland (24%) and trees (20%) within 3 km, cropland (45%) and trees (34%) within 16 km, and cropland (39%) and trees (38%) within 80 km.

3 km
14 m
16 km
433 m
80 km
1,248 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Hưng Yên 18 km · Lương Bằng 27 km · Nam Định 30 km · Ninh Binh 33 km · Bo 42 km · Mỹ Hào 45 km · Thái Bình 46 km · Ecopark 46 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 Phủ Lý (20.5453°, 105.9122°, elevation 8 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). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).