Olongapo in Winter

In winter (December, January and February), Olongapo sees average daytime highs around 28°C and overnight lows near 24°C, with 103 mm of rain over about 12 wet days across the season. It is the coldest season of the year and the driest season of the year.

Across winter, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 34% of the time across winter, and the air most often feels muggy.

Winter is Olongapo's best season of the year to visit on our travel score. Olongapo has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Olongapo's year-round climate.

Avg daytime high
28°C
coldest season of the year
Avg overnight low
24°C
Rainfall
103 mm
12 wet days
Avg wind
13 km/h
Travel score
6.6
best season of the year
Months
Dec · Jan · Feb

Temperature in Olongapo in Winter

Average highAverage lowShaded bands: 10–90% of days

Across winter, daytime highs hold fairly steady around 28°C.

A typical winter day in Olongapo reaches about 28°C and drops to 24°C overnight. The warmest of the three months is February, the coolest January.

20°25°30°35°DecJanFeb

How winter really feels in Olongapo

Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Olongapo weather by month

How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 23°172.511.26.9
Feb29° / 23°192.811.56.7
Mar30° / 24°233.811.96.1
Apr31° / 25°275.512.35.2
May30° / 26°1851912.73.8
Jun29° / 26°36125.712.93.2
Jul28° / 25°57129.512.83.1
Aug28° / 25°56529.412.53.3
Sep28° / 25°43627.712.13.2
Oct29° / 25°22520.311.74.1
Nov29° / 25°869.311.35.4
Dec29° / 24°676.611.16.1

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time across winter.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Winter

Any precipitation

Olongapo gets around 103 mm of rain over 12 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%DecJanFeb

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%DecJanFeb

Wind in Winter

Winds average 13 km/h across winter.

05101520DecJanFeb

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 11 h 12 min in early December to 11 h 42 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 4.9 kWh/m².

0246DecJanFeb
Planning a trip in winter

Hazard calendar for Olongapo

In seasonPeak

In winter, Olongapo overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.

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

Olongapo's monsoon runs June–September, when most of the year's rain falls.

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

Is winter a good time to visit Olongapo?

Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

6.6
Sightseeing
1st-best month of the year
7.9
Beach & pool
1st-best month of the year

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

What to pack for Olongapo in Winter

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

In winter, Olongapo sees daytime highs around 28°C and nights near 24°C. Pack light clothes. Worth having: sun protection. About 12 days see rain.

light clothessun protection

Sea temperature near Olongapo in Winter

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

The sea at the nearest coast (about 18 km away) is warmest in May 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
Mar28Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Olongapo in Winter

LowModerateHighVery highExtreme

Clear-sky midday UV across winter averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Olongapo peaks around August 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 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 14Nov 23UV 8
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov8Very high
Dec9Very high

Air quality in Olongapo in Winter

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.

Air quality in Olongapo is worst in November — around 30 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateNov 1530 µg/m³Aug 1421 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb26Moderate
Mar29Moderate
Apr28Moderate
May23Moderate
Jun22Moderate
Jul21Moderate
Aug21Moderate
Sep22Moderate
Oct29Moderate
Nov30Moderate
Dec29Moderate
Location & terrain

Where is Olongapo?

Olongapo sits at 14.8°N, 120.3°E, 11 m above sea level, in Philippines. The nearest listed city is Subic, 8.0 km away.

Topography around Olongapo

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

Within 3 km, the terrain around Olongapo has only modest variations in elevation — a maximum elevation change of 232 m around an average of 28 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 931 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,005 m.

The land around Olongapo is covered by water (38%), trees (31%) and artificial surfaces (27%) within 3 km, trees (65%) within 16 km, and water (49%) and trees (27%) within 80 km.

3 km
232 m
16 km
931 m
80 km
2,005 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
Winter weather nearby: Subic 8.0 km · Castillejos 15 km · Morong 17 km · Dinalupihan 19 km · San Marcelino 21 km · Hermosa 24 km · San Antonio 25 km · Orani 28 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 Olongapo (14.8292°, 120.2828°, elevation 11 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.