Balayan weather in December

In December, Balayan sees average daytime highs of 28°C and overnight lows near 25°C, with 109 mm of rain across 8.2 wet days and about 11.2 hours of daylight. It is the 9th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 30% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 12 min at the start of December to 11 h 12 min by month's end. Set against the rest of the year, December is Balayan's 5th-clearest and 1st-windiest month. For the whole year in context, see Balayan's year-round climate.

Daytime high
28°
9th warmest
Overnight low
25°
4th coldest
Rainfall
109 mm
8.2 wet days
Daylight
11 h 12 min
6:18 AM – 5:29 PM
Cloud cover
62%
5th clearest
Wind
19 km/h
1st windiest
Solar energy
4.22 kWh/m²
Travel score
6.1
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 December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical December day in Balayan reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92825
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312825

How December really feels in Balayan

Once humidity and wind are folded in, December averages 2 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
2
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Balayan weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 7th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34852
44852
54852
64852
74951
84951
94852
104852
114852
124852
134951
144852
154951
164951
175050
184852
194852
204852
214852
224852
234852
244852
254852
264852
274951
285050
295149
305248
315248

Chance of precipitation in December

Any precipitation

Balayan gets around 109 mm of rain over 8.2 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 25% and peaks near 31% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
331
431
531
631
731
831
930
1030
1129
1229
1328
1427
1526
1625
1724
1824
1923
2023
2123
2222
2322
2422
2521
2620
2720
2819
2918
3017
3116

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 77% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1087814
2087913
3088012
4088012
5088012
6088111
7088111
8088111
9088111
10088210
11088210
1209829
1309829
14010819
15010828
16011818
17012808
18013807
19015787
20016777
21017776
22118756
23120736
24121735
25122725
26123715
27124714
28125704
29125704
30226693
31226693

Wind in December

Winds average 19 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 18 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2920light breeze
3020light breeze
3120light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 12 min at the start of December to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:10 AM to 6:25 AM, and sunset from 5:24 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:105:24
211.26:105:24
311.26:115:24
411.26:115:25
511.26:125:25
611.26:125:25
711.26:135:25
811.26:145:26
911.26:145:26
1011.26:155:26
1111.26:155:27
1211.26:165:27
1311.26:165:27
1411.26:175:28
1511.26:175:28
1611.26:185:29
1711.26:185:29
1811.26:195:30
1911.26:195:30
2011.26:205:30
2111.26:205:31
2211.26:215:31
2311.26:215:32
2411.26:225:32
2511.26:225:33
2611.26:235:33
2711.26:235:34
2811.26:235:34
2911.26:245:35
3011.26:245:35
3111.26:255:36

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.22 kWh/m² — the year's lowest.

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 — December's 4.22 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in December

Hazard calendar for Balayan

In seasonPeak

In December, 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 December a good time to visit Balayan?

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

6.1
Sightseeing
4th-best month of the year
7.2
Beach & pool
5th-best month of the year

December is a reasonable time to visit Balayan for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Balayan in December

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

In December, Balayan sees daytime highs around 28°C and nights near 25°C. Pack light clothes. Worth having: rain gear. About 8 days see rain.

light clothesrain gear

Sea temperature near Balayan in December

The nearest coast averages about 28°C in December — 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 December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 9 (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 December

GoodModeratePoorUnhealthyVery unhealthy

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