Rosario weather in April

In April, Rosario sees average daytime highs of 32°C and overnight lows near 25°C, with 52 mm of rain across 10.6 wet days and about 12.3 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 47% 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 Rosario's 1st-clearest and 6th-windiest month. For the whole year in context, see Rosario's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
25°
10th coldest
Rainfall
52 mm
10.6 wet days
Daylight
12 h 18 min
5:46 AM – 6:04 PM
Cloud cover
48%
1st clearest
Wind
10 km/h
6th windiest
Solar energy
6.7 kWh/m²
Travel score
3.8
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical April day in Rosario reaches about 32°C in the afternoon and slips back to 25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 34°C. Set against its neighbours, April runs about 2°C warmer than March and on par with May.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103225
113225
123225
133225
143225
153225
163225
173325
183325
193325
203325
213325
223325
233325
243325
253325
263325
273325
283325
293325
303325

How April really feels in Rosario

Once humidity and wind are folded in, April averages 30 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
30
5 feel dangerously hot (≥ 39°C)
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.

Rosario weather by month

How April compares with the rest of the year at a glance. April is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°4910.211.35.6
Feb29° / 23°447.611.55.5
Mar31° / 24°509.811.94.8
Apr32° / 25°5210.612.33.8
May33° / 25°15020.812.62.8
Jun32° / 25°21924.912.82.6
Jul31° / 25°33927.712.72.7
Aug30° / 25°2702612.52.8
Sep30° / 24°32927.112.12.7
Oct30° / 24°23624.611.73.2
Nov30° / 24°14519.911.43.9
Dec29° / 24°1871711.24.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in April, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of April, with mostly cloudy or overcast conditions the remaining 32%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17030
27129
37129
47129
57228
67228
77228
87228
97228
107030
117030
127030
136931
146931
156832
166733
176733
186733
196634
206634
216634
226634
236535
246634
256634
266634
276535
286535
296436
306436

Chance of precipitation in April

Any precipitation

Rosario gets around 52 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 37% and peaks near 46% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
133
232
332
432
532
632
733
833
934
1034
1135
1235
1336
1436
1536
1637
1737
1838
1938
2038
2139
2239
2339
2440
2540
2641
2742
2843
2944
3046

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 63% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
187616
287517
377518
477518
577419
667420
767321
867123
957124
1056926
1146927
1246729
1336631
1436532
1526434
1626335
1726236
1816138
1916039
2015940
2115841
2205842
2305743
2405644
2505446
2605347
2705248
2805050
2904951
3004753

Wind in April

Winds average 10 km/h in April.

Across April, daily wind ranges from about 9 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
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
309calm

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 5:56 AM to 5:38 AM, and sunset from 6:03 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:566:03
212.15:566:03
312.15:556:03
412.25:546:03
512.25:546:03
612.25:536:04
712.25:526:04
812.25:516:04
912.25:516:04
1012.25:506:04
1112.25:496:04
1212.35:496:04
1312.35:486:04
1412.35:476:04
1512.35:476:04
1612.35:466:04
1712.35:466:05
1812.35:456:05
1912.35:446:05
2012.45:446:05
2112.45:436:05
2212.45:436:05
2312.45:426:05
2412.45:416:06
2512.45:416:06
2612.45:406:06
2712.45:406:06
2812.45:396:06
2912.55:396:06
3012.55:386:07

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.7 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.14 kWh/m² to a high of 6.7 kWh/m² in April across the year — April's 6.7 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.6Intense
306.6Intense
Planning a trip in April

Hazard calendar for Rosario

In seasonPeak

In April, Rosario sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

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

Rosario's rainy season runs June–October, when most of the year's rain falls.

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

Is April a good time to visit Rosario?

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

3.8
Sightseeing
6th-best month of the year
6.3
Beach & pool
4th-best month of the year

April is a weaker month for outdoor sightseeing in Rosario. The water and warmth also suit a beach or pool day.

What to pack for Rosario in April

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

In April, Rosario sees daytime highs around 32°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 Rosario in April

The nearest coast averages about 28°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in June at about 30°C and coldest in February near 26°C.

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

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar27Warm
Apr28Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Rosario 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 Rosario peaks around August 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 17UV 14Dec 11UV 9
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar12Extreme
Apr13Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec9Very high
Location & terrain

Where is Rosario?

Rosario sits at 13.6°N, 121.2°E, 13 m above sea level, in Philippines. The nearest listed city is Batangas, 22 km away.

Topography around Rosario

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

Within 3 km, the terrain around Rosario has significant variations in elevation — a maximum elevation change of 299 m around an average of 24 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 986 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,538 m.

The land around Rosario is covered by trees (47%) and water (40%) within 3 km, trees (50%) and water (48%) within 16 km, and trees (44%) and water (44%) within 80 km.

3 km
299 m
16 km
986 m
80 km
2,538 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
April weather nearby: Batangas 22 km · Calapan 25 km · Bauan 29 km · San Pascual 29 km · Puerto Galera 32 km · Lipa City 35 km · Cuenca 35 km · Bignay Uno 39 km

Philippines travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
230 V · 60 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$4,171
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
48%
of population, 2024
Homicide rate
4.3
per 100k, 2023
Road deaths
12
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 569
Religion
Roman Catholic 79%other 8%Muslim 6%other Christian 4%

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 Rosario (13.6323°, 121.2207°, elevation 13 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).