Long Thành in Spring
In spring (March, April and May), Long Thành sees average daytime highs around 33°C and overnight lows near 26°C, with 299 mm of rain over about 41 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across spring, daytime highs hold fairly steady around 33°C. The sky is clear or mostly clear about 27% of the time across spring, and the air most often feels miserable.
Spring is Long Thành's 2nd-best season to visit on our travel score. For the whole year in context, see Long Thành's year-round climate.
- Avg daytime high
- 33°C
- warmest season of the year
- Avg overnight low
- 26°C
- Rainfall
- 299 mm
- 41 wet days
- Avg wind
- 9 km/h
- Travel score
- 3.1
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Long Thành in Spring
Across spring, daytime highs hold fairly steady around 33°C.
A typical spring day in Long Thành reaches about 33°C and drops to 26°C overnight. The warmest of the three months is April, the coolest March.
How spring really feels in Long Thành
Once humidity and wind are folded in, spring brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Long Thành weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 31° / 23° | 26 | 4.1 | 11.4 | 5.2 |
| Feb | 32° / 24° | 10 | 2 | 11.6 | 4.9 |
| Mar | 33° / 25° | 24 | 4.6 | 11.9 | 4.0 |
| Apr | 34° / 26° | 68 | 11.9 | 12.2 | 3.1 |
| May | 33° / 26° | 207 | 24.4 | 12.5 | 2.3 |
| Jun | 31° / 26° | 268 | 27.6 | 12.6 | 2.4 |
| Jul | 31° / 25° | 285 | 29.3 | 12.6 | 2.5 |
| Aug | 31° / 25° | 294 | 29.3 | 12.4 | 2.5 |
| Sep | 31° / 25° | 317 | 28.6 | 12.1 | 2.4 |
| Oct | 31° / 25° | 272 | 27.5 | 11.8 | 2.7 |
| Nov | 31° / 24° | 144 | 17.8 | 11.5 | 3.7 |
| Dec | 30° / 23° | 72 | 10.5 | 11.4 | 4.7 |
Cloud cover in Spring
The sky is clear or mostly clear about 27% of the time across spring.
Chance of precipitation in Spring
Long Thành gets around 299 mm of rain over 41 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 9 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 48 min in early March to 12 h 36 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 6.0 kWh/m².
Hazard calendar for Long Thành
In spring, Long Thành overlaps its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.
Long Thành sits in the Pacific typhoon belt; the season peaks July–October.
Long Thành's rainy season runs May–November, when most of the year's rain falls.
Is spring a good time to visit Long Thành?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Long Thành.
What to pack for Long Thành in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Long Thành sees daytime highs around 33°C and nights near 26°C. Pack light clothes, rain gear and sun protection. About 41 days see rain.
Sea temperature near Long Thành in Spring
The nearest coast averages about 29°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 47 km away) is warmest in May at about 30°C and coldest in January near 26°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 26 | 26 | 27 | 29 | 30 | 30 | 29 | 29 | 29 | 29 | 28 | 27 |
| Comfort | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 26 | Warm |
| Mar | 27 | Warm |
| Apr | 29 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 27 | Warm |
UV index in Long Thành in Spring
Clear-sky midday UV across spring averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Long Thành peaks around March 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 15 at about 8 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 10 | 11 | 13 | 13 | 12 | 11 | 11 | 12 | 12 | 9 | 8 | 9 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 9 | Very high |
| Nov | 8 | Very high |
| Dec | 9 | Very high |
Air quality in Long Thành in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Long Thành is worst in October — around 34 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (March, 21 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 26 | 21 | 21 | 21 | 25 | 30 | 29 | 29 | 33 | 34 | 31 | 34 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 26 | Moderate |
| Feb | 21 | Moderate |
| Mar | 21 | Moderate |
| Apr | 21 | Moderate |
| May | 25 | Moderate |
| Jun | 30 | Moderate |
| Jul | 29 | Moderate |
| Aug | 29 | Moderate |
| Sep | 33 | Moderate |
| Oct | 34 | Moderate |
| Nov | 31 | Moderate |
| Dec | 34 | Moderate |
Where is Long Thành?
Long Thành sits at 10.8°N, 107.0°E, 19 m above sea level, in Vietnam. The nearest listed city is Trảng Bom, 19 km away.
Topography around Long Thành
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Long Thành.
Within 3 km, the terrain around Long Thành has only modest variations in elevation — a maximum elevation change of 45 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 141 m; within 80 km, large variations in elevation — a maximum elevation change of 918 m.
The land around Long Thành is covered by trees (44%) and artificial surfaces (32%) within 3 km, trees (44%) within 16 km, and trees (49%) and water (20%) within 80 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
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 Long Thành (10.7891°, 106.9503°, elevation 19 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.