San Luis in Winter
In winter (December, January and February), San Luis sees average daytime highs around 30°C and overnight lows near 23°C, with 133 mm of rain over about 13 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 30°C. The sky is clear or mostly clear about 36% of the time across winter, and the air most often feels oppressive.
Winter is San Luis's best season of the year to visit on our travel score. For the whole year in context, see San Luis's year-round climate.
- Avg daytime high
- 30°C
- coldest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 133 mm
- 13 wet days
- Avg wind
- 10 km/h
- Travel score
- 5.7
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in San Luis in Winter
Across winter, daytime highs hold fairly steady around 30°C.
A typical winter day in San Luis reaches about 30°C and drops to 23°C overnight. The warmest of the three months is February, the coolest January.
How winter really feels in San Luis
Once humidity and wind are folded in, winter brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.
The story in winter is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
San Luis 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 22° | 26 | 3.1 | 11.2 | 6.0 |
| Feb | 30° / 22° | 23 | 2.6 | 11.5 | 5.7 |
| Mar | 32° / 23° | 29 | 3.6 | 11.9 | 4.7 |
| Apr | 34° / 25° | 26 | 5.5 | 12.3 | 3.6 |
| May | 34° / 26° | 136 | 17.7 | 12.7 | 2.6 |
| Jun | 32° / 26° | 194 | 24.3 | 12.9 | 2.5 |
| Jul | 31° / 25° | 320 | 28.3 | 12.8 | 2.5 |
| Aug | 31° / 25° | 284 | 28.6 | 12.5 | 2.6 |
| Sep | 31° / 25° | 279 | 26.8 | 12.1 | 2.6 |
| Oct | 31° / 25° | 175 | 17.9 | 11.7 | 3.6 |
| Nov | 31° / 24° | 79 | 9.5 | 11.3 | 4.7 |
| Dec | 30° / 23° | 84 | 7.3 | 11.1 | 5.4 |
Cloud cover in Winter
The sky is clear or mostly clear about 36% of the time across winter.
Chance of precipitation in Winter
San Luis gets around 133 mm of rain over 13 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 10 km/h across winter.
Sunrise & sunset in Winter
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.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 4.6 kWh/m².
Hazard calendar for San Luis
In winter, San Luis overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
San Luis sits in the Pacific typhoon belt; the season peaks July–October.
San Luis's monsoon runs June–October, when most of the year's rain falls.
Is winter a good time to visit San Luis?
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.
winter is a reasonable time to visit San Luis for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for San Luis in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, San Luis sees daytime highs around 30°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 13 days see rain.
Sea temperature near San Luis in Winter
The nearest coast averages about 27°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 47 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 28 | 29 | 30 | 30 | 29 | 29 | 29 | 29 | 28 | 28 |
| Comfort | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 28 | Warm |
| Apr | 29 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 28 | Warm |
UV index in San Luis in Winter
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 San Luis peaks around March 24 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 11 | 13 | 13 | 13 | 11 | 12 | 13 | 12 | 11 | 8 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 8 | Very high |
| Dec | 8 | Very high |
Air quality in San Luis in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in San Luis 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 33 | 32 | 36 | 39 | 42 | 46 | 42 | 41 | 49 | 49 | 39 | 33 |
| Level | Moderate | Moderate | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 33 | Moderate |
| Feb | 32 | Moderate |
| Mar | 36 | Poor |
| Apr | 39 | Poor |
| May | 42 | Poor |
| Jun | 46 | Poor |
| Jul | 42 | Poor |
| Aug | 41 | Poor |
| Sep | 49 | Poor |
| Oct | 49 | Poor |
| Nov | 39 | Poor |
| Dec | 33 | Moderate |
Where is San Luis?
San Luis sits at 15.0°N, 120.8°E, 13 m above sea level, in Philippines. The nearest listed city is San Simon, 5.0 km away.
Topography around San Luis
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Luis.
Within 3 km, the terrain around San Luis has only modest variations in elevation — a maximum elevation change of 16 m around an average of 4 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 253 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,726 m.
The land around San Luis is covered by cropland (61%) within 3 km, cropland (54%) within 16 km, and trees (44%) and cropland (24%) within 80 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
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 San Luis (15.0401°, 120.7883°, 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.