Bustos weather in May

In May, Bustos sees average daytime highs of 33°C and overnight lows near 25°C, with 183 mm of rain across 19.9 wet days and about 12.7 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 20% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 30 min at the start of May to 12 h 48 min by month's end. Set against the rest of the year, May is Bustos's 7th-clearest and 12th-windiest month. For the whole year in context, see Bustos's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
25°
12th coldest
Rainfall
183 mm
19.9 wet days
Daylight
12 h 42 min
5:32 AM – 6:13 PM
Cloud cover
69%
7th clearest
Wind
7 km/h
12th windiest
Solar energy
5.76 kWh/m²
Travel score
2.7
out of 10

Bustos is municipality of the Philippines in the province of Bulacan.

Density
1,151/km²
people per km²
Founded
1867

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical May day in Bustos reaches about 33°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 35°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13325
23325
33325
43325
53325
63325
73325
83325
93325
103325
113325
123325
133325
143325
153325
163325
173325
183325
193325
203325
213325
223325
233325
243225
253225
263225
273225
283225
293225
303225
313225

How May really feels in Bustos

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
31 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.

Bustos weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°343.611.26.3
Feb30° / 23°293.311.56.0
Mar31° / 23°384.311.95.1
Apr33° / 25°376.812.33.9
May33° / 25°18319.912.72.7
Jun32° / 25°27526.412.92.5
Jul30° / 25°41129.412.82.5
Aug30° / 25°35429.512.52.6
Sep30° / 24°33628.112.12.6
Oct30° / 24°22118.711.73.6
Nov30° / 24°10010.111.34.9
Dec29° / 23°1038.611.15.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26337
36139
45941
55743
65545
75347
85149
95050
104753
114555
124456
134159
143961
153763
163565
173268
183070
192971
202773
212476
222377
232278
242179
252080
261981
271882
281783
291783
301783
311783

Chance of precipitation in May

Any precipitation

Bustos gets around 183 mm of rain over 19.9 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 63% and peaks near 82% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
137
239
341
442
544
646
748
849
951
1053
1154
1256
1358
1460
1562
1665
1767
1869
1971
2072
2174
2276
2377
2478
2580
2681
2781
2882
2982
3082
3182

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 72% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
15842
25644
35446
45248
54951
64753
74555
84258
94060
103862
113565
123367
133169
142971
152674
162476
172278
182080
191981
201783
211684
221486
231387
241288
251288
261189
271090
281090
29991
30991
31991

Wind in May

Winds average 7 km/h in May, the calmest month.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 min at the start of May to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 5:38 AM to 5:29 AM, and sunset from 6:09 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:386:09
212.55:376:10
312.65:376:10
412.65:366:10
512.65:366:10
612.65:356:11
712.65:356:11
812.65:356:11
912.65:346:11
1012.65:346:12
1112.65:336:12
1212.75:336:12
1312.75:336:12
1412.75:326:13
1512.75:326:13
1612.75:326:13
1712.75:326:14
1812.75:316:14
1912.75:316:14
2012.75:316:15
2112.75:316:15
2212.75:306:15
2312.85:306:16
2412.85:306:16
2512.85:306:16
2612.85:306:17
2712.85:306:17
2812.85:306:17
2912.85:296:17
3012.85:296:18
3112.85:296:18

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.76 kWh/m².

For context, solar energy here swings from a low near 3.96 kWh/m² to a high of 6.26 kWh/m² in April across the year — May's 5.76 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.1Intense
46.1Intense
56.1Intense
66.0Intense
76.0Intense
86.0Bright
96.0Bright
105.9Bright
115.9Bright
125.9Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.7Bright
185.7Bright
195.7Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.4Bright
315.4Bright
Planning a trip in May

Hazard calendar for Bustos

In seasonPeak

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

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

Bustos's monsoon runs June–October, 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 Bustos?

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

2.7
Sightseeing
8th-best month of the year
4.8
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Bustos.

What to pack for Bustos in May

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

In May, Bustos sees daytime highs around 33°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Bustos in May

The nearest coast averages about 30°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 37 km away) is warmest in May at about 30°C and coldest in January near 27°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar28Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in Bustos in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks 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 Bustos peaks around August 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 18UV 13Nov 21UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec9Very high

Air quality in Bustos 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 Bustos is worst in October — around 49 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateOct 1049 µg/m³Feb 1132 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb32Moderate
Mar36Poor
Apr39Poor
May42Poor
Jun46Poor
Jul42Poor
Aug41Poor
Sep49Poor
Oct49Poor
Nov39Poor
Dec33Moderate
Location & terrain

Where is Bustos?

Bustos sits at 15.0°N, 120.9°E, 13 m above sea level, in Philippines. The nearest listed city is Baliuag, 2.0 km away.

Topography around Bustos

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

Within 3 km, the terrain around Bustos has only modest variations in elevation — a maximum elevation change of 32 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 153 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,869 m.

The land around Bustos is covered by cropland (35%), trees (29%) and artificial surfaces (24%) within 3 km, cropland (50%) and trees (29%) within 16 km, and trees (45%), water (22%) and cropland (20%) within 80 km.

3 km
32 m
16 km
153 m
80 km
1,869 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Baliuag 2.0 km · Pantubig 4.0 km · Pulilan 10 km · Plaridel 10 km · Pandi 11 km · Angat 12 km · San Ildefonso 14 km · Guiguinto 14 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 Bustos (14.9581°, 120.9178°, 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. 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).