Sông Cầu weather in April

In April, Sông Cầu sees average daytime highs of 29°C and overnight lows near 25°C, with 64 mm of rain across 10.6 wet days and about 12.3 hours of daylight. It is the 6th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 29°C by the end. The sky is clear or mostly clear about 43% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 30 min by month's end. Set against the rest of the year, April is Sông Cầu's 2nd-clearest and 10th-windiest month. For the whole year in context, see Sông Cầu's year-round climate.

Daytime high
29°
6th warmest
Overnight low
25°
7th coldest
Rainfall
64 mm
10.6 wet days
Daylight
12 h 18 min
5:34 AM – 5:52 PM
Cloud cover
49%
2nd clearest
Wind
11 km/h
10th windiest
Solar energy
6.1 kWh/m²
Travel score
5.7
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 28°C in the first days to 29°C by the end.

A typical April day in Sông Cầu reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, April runs about 2°C warmer than March and about 2°C cooler than May.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12824
22824
32824
42824
52824
62824
72824
82824
92825
102825
112825
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282926
293026
303026

How April really feels in Sông Cầu

Once humidity and wind are folded in, April averages 21 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
21
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Sông Cầu weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 22°10516.311.35.9
Feb25° / 22°5310.511.66.7
Mar27° / 23°6010.411.96.7
Apr29° / 25°6410.612.35.7
May30° / 26°14718.212.63.9
Jun31° / 27°8616.112.83.5
Jul31° / 27°7914.712.73.8
Aug31° / 27°9815.512.43.6
Sep30° / 26°21522.312.13.3
Oct28° / 25°36126.411.73.8
Nov26° / 24°41023.811.44.4
Dec25° / 23°27822.411.24.8

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 19% of April, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16733
26733
36733
46634
56634
66634
76634
86535
96535
106535
116436
126436
136436
146436
156436
166436
176436
186337
196337
206238
216238
226139
236139
246040
256040
265842
275743
285644
295446
305347

Chance of precipitation in April

Any precipitation

Sông Cầu gets around 64 mm of rain over 10.6 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 36% and peaks near 44% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
235
334
434
534
634
734
834
934
1034
1134
1234
1334
1433
1533
1633
1734
1834
1934
2035
2135
2236
2337
2438
2539
2640
2741
2842
2943
3044

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the oppressive band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1187417
2077518
3067420
4067321
5057223
6047224
7047026
8037027
9036829
10026731
11026533
12026335
13026038
14025741
15025543
16015346
17015148
18014950
19014752
20014554
21014356
22014158
23013960
24013762
25013564
26013366
27013267
28013069
29002971
30002872

Wind in April

Winds average 11 km/h in April.

Across April, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over April. Sunrise moves from 5:44 AM to 5:27 AM, and sunset from 5:51 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:445:51
212.15:445:51
312.15:435:51
412.25:425:51
512.25:425:51
612.25:415:51
712.25:405:52
812.25:405:52
912.25:395:52
1012.25:385:52
1112.25:385:52
1212.35:375:52
1312.35:365:52
1412.35:365:52
1512.35:355:52
1612.35:345:52
1712.35:345:52
1812.35:335:53
1912.35:325:53
2012.35:325:53
2112.45:315:53
2212.45:315:53
2312.45:305:53
2412.45:305:53
2512.45:295:53
2612.45:295:54
2712.45:285:54
2812.45:285:54
2912.55:275:54
3012.55:275:54

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.1 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.06 kWh/m² to a high of 6.1 kWh/m² in April across the year — April's 6.1 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.9Bright
45.9Bright
55.9Bright
66.0Bright
76.0Bright
86.0Intense
96.0Intense
106.0Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.1Intense
306.1Intense
Planning a trip in April

Hazard calendar for Sông Cầu

In seasonPeak

In April, Sông Cầu sits inside 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.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Sông Cầu?

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

5.7
Sightseeing
4th-best month of the year
6.9
Beach & pool
1st-best month of the year

April 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 April

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

In April, Sông Cầu sees daytime highs around 29°C and nights near 25°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

Sea temperature near Sông Cầu in April

The nearest coast averages about 27°C in April — 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.

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb24Warm
Mar25Warm
Apr27Warm
May28Tropical
Jun29Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct28Warm
Nov27Warm
Dec25Warm

UV index in Sông Cầu in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 14UV 13Dec 16UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar12Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Sông Cầu in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1616 µg/m³Nov 1613 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar15Moderate
Apr16Moderate
May15Moderate
Jun16Moderate
Jul15Moderate
Aug16Moderate
Sep14Moderate
Oct14Moderate
Nov13Moderate
Dec14Moderate
Location & terrain

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.

Ninh HòaEa Drăng

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.

3 km
317 m
16 km
830 m
80 km
1,533 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Qui Nhon 36 km · Tuy Hòa 41 km · An Nhơn 49 km · Tu Bông 77 km · An Khê 83 km · A Yun Pa 86 km · Ninh Hòa 108 km · Ea Drăng 113 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 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. 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).