Balayan weather in May

In May, Balayan sees average daytime highs of 30°C and overnight lows near 27°C, with 166 mm of rain across 19.8 wet days and about 12.6 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 23% 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 Balayan's 7th-clearest and 12th-windiest month. For the whole year in context, see Balayan's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
27°
12th coldest
Rainfall
166 mm
19.8 wet days
Daylight
12 h 36 min
5:34 AM – 6:13 PM
Cloud cover
67%
7th clearest
Wind
11 km/h
12th windiest
Solar energy
6.16 kWh/m²
Travel score
3.7
out of 10

Balayan is municipality of the Philippines in the province of Batangas.

Density
461/km²
people per km²
Founded
1578

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 30°C through the month.

A typical May day in Balayan reaches about 30°C in the afternoon and slips back to 27°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
13127
23127
33127
43127
53127
63127
73127
83127
93127
103127
113127
123127
133127
143027
153027
163027
173027
183027
193027
203027
213027
223027
233027
243027
253027
263027
273027
283027
293027
303027
313027

How May really feels in Balayan

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
heat index over the day's high
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.

Balayan 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
Jan28° / 24°253.711.37.2
Feb28° / 24°213.311.56.9
Mar29° / 25°294.611.96.2
Apr31° / 26°326.612.35.2
May30° / 27°16619.812.63.7
Jun30° / 26°27025.412.83.2
Jul29° / 26°47028.512.73.1
Aug28° / 26°4052812.53.2
Sep29° / 26°39827.512.13.2
Oct29° / 26°22021.711.73.9
Nov29° / 26°8510.811.45.3
Dec28° / 25°1098.211.26.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% 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 60%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26238
36040
45941
55842
65644
75446
85347
95149
104852
114753
124456
134357
144159
153961
163862
173565
183565
193367
203070
213070
222872
232773
242575
252575
262476
272377
282377
292377
302377
312377

Chance of precipitation in May

Any precipitation

Balayan gets around 166 mm of rain over 19.8 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 81% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
138
239
341
443
544
646
747
849
950
1052
1154
1256
1358
1460
1562
1664
1767
1869
1970
2072
2174
2276
2377
2479
2580
2680
2781
2881
2981
3081
3181

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 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13862
23664
33466
43367
53169
62971
72773
82575
92476
102278
112179
122080
131882
141783
151684
161585
171486
181387
191288
201189
211090
22991
23892
24892
25793
26694
27694
28694
29595
30595
31595

Wind in May

Winds average 11 km/h in May, the calmest month.

Across May, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 5:40 AM to 5:32 AM, and sunset from 6:09 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:406:09
212.55:396:09
312.55:396:09
412.55:386:10
512.55:386:10
612.55:376:10
712.65:376:10
812.65:376:11
912.65:366:11
1012.65:366:11
1112.65:366:11
1212.65:356:12
1312.65:356:12
1412.65:356:12
1512.65:346:12
1612.65:346:13
1712.75:346:13
1812.75:346:13
1912.75:336:13
2012.75:336:14
2112.75:336:14
2212.75:336:14
2312.75:336:15
2412.75:326:15
2512.75:326:15
2612.75:326:16
2712.75:326:16
2812.75:326:16
2912.75:326:17
3012.75:326:17
3112.85:326:17

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.16 kWh/m².

For context, solar energy here swings from a low near 4.22 kWh/m² to a high of 6.75 kWh/m² in April across the year — May's 6.16 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.6Intense
56.5Intense
66.5Intense
76.5Intense
86.4Intense
96.4Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.2Intense
156.2Intense
166.1Intense
176.1Intense
186.1Intense
196.0Intense
206.0Intense
216.0Bright
226.0Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in May

Hazard calendar for Balayan

In seasonPeak

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

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

Balayan'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 Balayan?

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

3.7
Sightseeing
8th-best month of the year
5.3
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Balayan.

What to pack for Balayan in May

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

In May, Balayan sees daytime highs around 30°C and nights near 27°C. Pack light clothes, rain gear and sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Balayan 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 13 km away) is warmest in June at about 30°C and coldest in February 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
Mar27Warm
Apr28Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in Balayan 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 Balayan peaks around August 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 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 18UV 14Nov 22UV 9
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar12Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Balayan 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 Balayan is worst in September — around 44 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (February, 23 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateSep 2244 µg/m³Feb 1323 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb23Moderate
Mar26Moderate
Apr27Moderate
May32Moderate
Jun43Poor
Jul38Poor
Aug35Moderate
Sep44Poor
Oct43Poor
Nov30Moderate
Dec26Moderate
Location & terrain

Where is Balayan?

Balayan sits at 13.9°N, 120.7°E, 8 m above sea level, in Philippines. The nearest listed city is Calaca, 9.0 km away.

Topography around Balayan

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

Within 3 km, the terrain around Balayan has only modest variations in elevation — a maximum elevation change of 44 m around an average of 10 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 763 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,539 m.

The land around Balayan is covered by water (36%) and cropland (34%) within 3 km, water (37%), trees (34%) and cropland (23%) within 16 km, and water (56%) and trees (33%) within 80 km.

3 km
44 m
16 km
763 m
80 km
2,539 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Calaca 9.0 km · Calatagan 16 km · Nasugbu 18 km · Taal 22 km · Tagaytay 28 km · General Emilio Aguinaldo 28 km · Mendez-Nuñez 28 km · Patuto 32 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 Balayan (13.9371°, 120.7322°, elevation 8 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).