Sông Cầu in Spring
In spring (March, April and May), Sông Cầu sees average daytime highs around 29°C and overnight lows near 25°C, with 271 mm of rain over about 39 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 26°C in early March to 31°C by late May. The sky is clear or mostly clear about 37% of the time across spring, and the air most often feels oppressive.
Spring is Sông Cầu's 2nd-best season to visit on our travel score. Sông Cầu has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Sông Cầu's year-round climate.
- Avg daytime high
- 29°C
- 2nd-warmest season
- Avg overnight low
- 25°C
- Rainfall
- 271 mm
- 39 wet days
- Avg wind
- 11 km/h
- Travel score
- 5.4
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Sông Cầu in Spring
Over the season highs climb from about 26°C in early March to 31°C by late May.
A typical spring day in Sông Cầu reaches about 29°C and drops to 25°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Sông Cầu
Once humidity and wind are folded in, spring brings about 52 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.
Sông Cầu 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 | 24° / 22° | 105 | 16.3 | 11.3 | 5.9 |
| Feb | 25° / 22° | 53 | 10.5 | 11.6 | 6.7 |
| Mar | 27° / 23° | 60 | 10.4 | 11.9 | 6.7 |
| Apr | 29° / 25° | 64 | 10.6 | 12.3 | 5.7 |
| May | 30° / 26° | 147 | 18.2 | 12.6 | 3.9 |
| Jun | 31° / 27° | 86 | 16.1 | 12.8 | 3.5 |
| Jul | 31° / 27° | 79 | 14.7 | 12.7 | 3.8 |
| Aug | 31° / 27° | 98 | 15.5 | 12.4 | 3.6 |
| Sep | 30° / 26° | 215 | 22.3 | 12.1 | 3.3 |
| Oct | 28° / 25° | 361 | 26.4 | 11.7 | 3.8 |
| Nov | 26° / 24° | 410 | 23.8 | 11.4 | 4.4 |
| Dec | 25° / 23° | 278 | 22.4 | 11.2 | 4.8 |
Cloud cover in Spring
The sky is clear or mostly clear about 37% of the time across spring.
Chance of precipitation in Spring
Sông Cầu gets around 271 mm of rain over 39 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 11 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 42 min in early March to 12 h 42 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 5.9 kWh/m².
Hazard calendar for Sông Cầu
In spring, Sông Cầu overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Sông Cầu sits in the Pacific typhoon belt; the season peaks July–October.
Sông Cầu's monsoon runs September–December, when most of the year's rain falls.
Is spring a good time to visit Sông Cầu?
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 reasonable time to visit Sông Cầu for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Sông Cầu in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Sông Cầu sees daytime highs around 29°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 39 days see rain.
Sea temperature near Sông Cầu in Spring
The nearest coast averages about 27°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 19 km away) is warmest in September at about 29°C and coldest in January near 24°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) | 24 | 24 | 25 | 27 | 28 | 29 | 28 | 29 | 29 | 28 | 27 | 25 |
| Comfort | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 24 | Warm |
| Feb | 24 | Warm |
| Mar | 25 | Warm |
| Apr | 27 | Warm |
| May | 28 | Tropical |
| Jun | 29 | Tropical |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Warm |
| Nov | 27 | Warm |
| Dec | 25 | Warm |
UV index in Sông Cầu 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 Sông Cầu peaks around August 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 | 12 | 12 | 13 | 12 | 12 | 13 | 13 | 12 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 12 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Sông Cầu 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 Sông Cầu is worst in April — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 15 | 14 | 15 | 16 | 15 | 16 | 15 | 16 | 14 | 14 | 13 | 14 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 14 | Moderate |
| Mar | 15 | Moderate |
| Apr | 16 | Moderate |
| May | 15 | Moderate |
| Jun | 16 | Moderate |
| Jul | 15 | Moderate |
| Aug | 16 | Moderate |
| Sep | 14 | Moderate |
| Oct | 14 | Moderate |
| Nov | 13 | Moderate |
| Dec | 14 | Moderate |
Where is Sông Cầu?
Sông Cầu sits at 13.5°N, 109.2°E, 10 m above sea level, in Vietnam. The nearest listed city is Qui Nhon, 36 km away.
Topography around Sông Cầu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sông Cầu.
Within 3 km, the terrain around Sông Cầu has significant variations in elevation — a maximum elevation change of 317 m around an average of 41 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 830 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,533 m.
The land around Sông Cầu is covered by water (42%) and trees (39%) within 3 km, trees (52%) and water (34%) within 16 km, and trees (46%) and water (35%) 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 Sông Cầu (13.4556°, 109.2235°, elevation 10 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.