San Antonio weather in August
In August, San Antonio sees average daytime highs of 28°C and overnight lows near 26°C, with 625 mm of rain across 29.3 wet days and about 12.5 hours of daylight. It is the 12th-warmest and 1st-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 2% of the time in August, and the air most often feels miserable.
Daylight stretches from about 12 h 42 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is San Antonio's 12th-clearest and 1st-windiest month. For the whole year in context, see San Antonio's year-round climate.
- Daytime high
- 28°
- 12th warmest
- Overnight low
- 26°
- 7th coldest
- Rainfall
- 625 mm
- 29.3 wet days
- Daylight
- 12 h 30 min
- 5:49 AM – 6:19 PM
- Cloud cover
- 91%
- 12th clearest
- Wind
- 11 km/h
- 1st windiest
- Solar energy
- 4.16 kWh/m²
- Travel score
- 3.1
- out of 10
San Antonio is municipality of the Philippines in the province of Zambales.
- Density
- 205/km²
- people per km²
- Founded
- 1849
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 28°C through the month.
A typical August day in San Antonio reaches about 28°C in the afternoon and slips back to 26°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 30°C. Set against its neighbours, August runs on par with July and on par with September.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 26 |
| 2 | 28 | 26 |
| 3 | 28 | 26 |
| 4 | 28 | 26 |
| 5 | 28 | 26 |
| 6 | 28 | 26 |
| 7 | 28 | 26 |
| 8 | 28 | 26 |
| 9 | 28 | 26 |
| 10 | 28 | 26 |
| 11 | 28 | 26 |
| 12 | 28 | 26 |
| 13 | 28 | 26 |
| 14 | 28 | 26 |
| 15 | 28 | 26 |
| 16 | 28 | 26 |
| 17 | 28 | 26 |
| 18 | 28 | 26 |
| 19 | 28 | 26 |
| 20 | 28 | 26 |
| 21 | 28 | 26 |
| 22 | 28 | 26 |
| 23 | 28 | 26 |
| 24 | 28 | 26 |
| 25 | 28 | 26 |
| 26 | 28 | 26 |
| 27 | 28 | 26 |
| 28 | 28 | 26 |
| 29 | 28 | 26 |
| 30 | 28 | 26 |
| 31 | 28 | 26 |
How August really feels in San Antonio
Once humidity and wind are folded in, August 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.
The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
San Antonio weather by month
How August compares with the rest of the year at a glance. August is the 12th-warmest and 1st-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 24° | 13 | 2.7 | 11.2 | 6.4 |
| Feb | 30° / 24° | 19 | 2.9 | 11.5 | 6.2 |
| Mar | 31° / 25° | 29 | 5.1 | 11.9 | 5.5 |
| Apr | 31° / 26° | 44 | 10.1 | 12.3 | 4.5 |
| May | 31° / 27° | 216 | 22.4 | 12.7 | 3.3 |
| Jun | 30° / 26° | 402 | 27 | 12.9 | 2.9 |
| Jul | 29° / 26° | 617 | 29.6 | 12.8 | 3.0 |
| Aug | 28° / 26° | 625 | 29.3 | 12.5 | 3.1 |
| Sep | 29° / 26° | 434 | 27.8 | 12.1 | 3.1 |
| Oct | 30° / 26° | 227 | 20.5 | 11.7 | 3.8 |
| Nov | 30° / 25° | 88 | 10.2 | 11.3 | 5.0 |
| Dec | 30° / 25° | 59 | 6.5 | 11.1 | 5.7 |
Cloud cover in August
The sky is clear or mostly clear about 2% of the time in August, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 5% of August, with mostly cloudy or overcast conditions the remaining 93%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 5 | 5 | 4 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 |
| Cloudier (%) | 95 | 95 | 96 | 95 | 94 | 94 | 94 | 94 | 93 | 93 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 94 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 5 | 95 |
| 2 | 5 | 95 |
| 3 | 4 | 96 |
| 4 | 5 | 95 |
| 5 | 6 | 94 |
| 6 | 6 | 94 |
| 7 | 6 | 94 |
| 8 | 6 | 94 |
| 9 | 7 | 93 |
| 10 | 7 | 93 |
| 11 | 8 | 92 |
| 12 | 8 | 92 |
| 13 | 8 | 92 |
| 14 | 8 | 92 |
| 15 | 8 | 92 |
| 16 | 8 | 92 |
| 17 | 8 | 92 |
| 18 | 8 | 92 |
| 19 | 8 | 92 |
| 20 | 8 | 92 |
| 21 | 8 | 92 |
| 22 | 8 | 92 |
| 23 | 7 | 93 |
| 24 | 7 | 93 |
| 25 | 7 | 93 |
| 26 | 7 | 93 |
| 27 | 7 | 93 |
| 28 | 7 | 93 |
| 29 | 7 | 93 |
| 30 | 7 | 93 |
| 31 | 6 | 94 |
Chance of precipitation in August
San Antonio gets around 625 mm of rain over 29.3 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 94% and peaks near 96% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 96 | 96 | 96 | 96 | 96 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 93 | 93 | 93 | 92 | 92 | 92 |
| Rain chance (%) | |
|---|---|
| 1 | 96 |
| 2 | 96 |
| 3 | 96 |
| 4 | 96 |
| 5 | 96 |
| 6 | 95 |
| 7 | 95 |
| 8 | 95 |
| 9 | 95 |
| 10 | 95 |
| 11 | 95 |
| 12 | 95 |
| 13 | 95 |
| 14 | 95 |
| 15 | 95 |
| 16 | 95 |
| 17 | 95 |
| 18 | 95 |
| 19 | 94 |
| 20 | 94 |
| 21 | 94 |
| 22 | 94 |
| 23 | 94 |
| 24 | 94 |
| 25 | 94 |
| 26 | 93 |
| 27 | 93 |
| 28 | 93 |
| 29 | 92 |
| 30 | 92 |
| 31 | 92 |
Humidity in August
Most of August feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the miserable band about 90% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oppressive (%) | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 |
| Miserable (%) | 91 | 91 | 91 | 92 | 92 | 92 | 92 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 89 | 89 | 89 | 89 | 89 | 89 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 9 | 91 |
| 2 | 9 | 91 |
| 3 | 9 | 91 |
| 4 | 8 | 92 |
| 5 | 8 | 92 |
| 6 | 8 | 92 |
| 7 | 8 | 92 |
| 8 | 9 | 91 |
| 9 | 9 | 91 |
| 10 | 9 | 91 |
| 11 | 9 | 91 |
| 12 | 9 | 91 |
| 13 | 9 | 91 |
| 14 | 9 | 91 |
| 15 | 10 | 90 |
| 16 | 10 | 90 |
| 17 | 10 | 90 |
| 18 | 10 | 90 |
| 19 | 10 | 90 |
| 20 | 10 | 90 |
| 21 | 10 | 90 |
| 22 | 10 | 90 |
| 23 | 10 | 90 |
| 24 | 10 | 90 |
| 25 | 10 | 90 |
| 26 | 11 | 89 |
| 27 | 11 | 89 |
| 28 | 11 | 89 |
| 29 | 11 | 89 |
| 30 | 11 | 89 |
| 31 | 11 | 89 |
Wind in August
Winds average 11 km/h in August, the windiest month of the year.
Across August, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 12 | calm |
| 2 | 12 | calm |
| 3 | 12 | calm |
| 4 | 12 | calm |
| 5 | 12 | calm |
| 6 | 12 | calm |
| 7 | 12 | calm |
| 8 | 12 | calm |
| 9 | 12 | calm |
| 10 | 12 | calm |
| 11 | 12 | calm |
| 12 | 12 | calm |
| 13 | 12 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 11 | calm |
| 17 | 11 | calm |
| 18 | 11 | calm |
| 19 | 11 | calm |
| 20 | 11 | calm |
| 21 | 11 | calm |
| 22 | 11 | calm |
| 23 | 11 | calm |
| 24 | 11 | calm |
| 25 | 11 | calm |
| 26 | 11 | calm |
| 27 | 11 | calm |
| 28 | 11 | calm |
| 29 | 10 | calm |
| 30 | 10 | calm |
| 31 | 10 | calm |
Sunrise & sunset in August
Daylight runs from about 12 h 42 min at the start of August to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 24 minutes over August. Sunrise moves from 5:46 AM to 5:50 AM, and sunset from 6:26 PM to 6:09 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.7 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 |
| Sunrise (AM) | 5:46 | 5:46 | 5:46 | 5:46 | 5:46 | 5:47 | 5:47 | 5:47 | 5:47 | 5:48 | 5:48 | 5:48 | 5:48 | 5:48 | 5:48 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:50 | 5:50 | 5:50 | 5:50 | 5:50 | 5:50 | 5:50 | 5:50 | 5:50 | 5:50 |
| Sunset (PM) | 6:26 | 6:26 | 6:25 | 6:25 | 6:24 | 6:24 | 6:23 | 6:23 | 6:23 | 6:22 | 6:22 | 6:21 | 6:21 | 6:20 | 6:19 | 6:19 | 6:18 | 6:18 | 6:17 | 6:16 | 6:16 | 6:15 | 6:15 | 6:14 | 6:13 | 6:12 | 6:12 | 6:11 | 6:10 | 6:10 | 6:09 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.7 | 5:46 | 6:26 |
| 2 | 12.7 | 5:46 | 6:26 |
| 3 | 12.7 | 5:46 | 6:25 |
| 4 | 12.6 | 5:46 | 6:25 |
| 5 | 12.6 | 5:46 | 6:24 |
| 6 | 12.6 | 5:47 | 6:24 |
| 7 | 12.6 | 5:47 | 6:23 |
| 8 | 12.6 | 5:47 | 6:23 |
| 9 | 12.6 | 5:47 | 6:23 |
| 10 | 12.6 | 5:48 | 6:22 |
| 11 | 12.6 | 5:48 | 6:22 |
| 12 | 12.6 | 5:48 | 6:21 |
| 13 | 12.5 | 5:48 | 6:21 |
| 14 | 12.5 | 5:48 | 6:20 |
| 15 | 12.5 | 5:48 | 6:19 |
| 16 | 12.5 | 5:49 | 6:19 |
| 17 | 12.5 | 5:49 | 6:18 |
| 18 | 12.5 | 5:49 | 6:18 |
| 19 | 12.5 | 5:49 | 6:17 |
| 20 | 12.5 | 5:49 | 6:16 |
| 21 | 12.4 | 5:49 | 6:16 |
| 22 | 12.4 | 5:50 | 6:15 |
| 23 | 12.4 | 5:50 | 6:15 |
| 24 | 12.4 | 5:50 | 6:14 |
| 25 | 12.4 | 5:50 | 6:13 |
| 26 | 12.4 | 5:50 | 6:12 |
| 27 | 12.4 | 5:50 | 6:12 |
| 28 | 12.3 | 5:50 | 6:11 |
| 29 | 12.3 | 5:50 | 6:10 |
| 30 | 12.3 | 5:50 | 6:10 |
| 31 | 12.3 | 5:50 | 6:09 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 4.16 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 4.16 kWh/m² to a high of 6.53 kWh/m² in April across the year — August's 4.16 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.3 |
| Level | Moderate | Moderate | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.0 | Moderate |
| 2 | 4.0 | Moderate |
| 3 | 4.0 | Bright |
| 4 | 4.0 | Bright |
| 5 | 4.0 | Bright |
| 6 | 4.0 | Bright |
| 7 | 4.1 | Bright |
| 8 | 4.1 | Bright |
| 9 | 4.1 | Bright |
| 10 | 4.2 | Bright |
| 11 | 4.2 | Bright |
| 12 | 4.2 | Bright |
| 13 | 4.2 | Bright |
| 14 | 4.2 | Bright |
| 15 | 4.2 | Bright |
| 16 | 4.2 | Bright |
| 17 | 4.2 | Bright |
| 18 | 4.2 | Bright |
| 19 | 4.2 | Bright |
| 20 | 4.2 | Bright |
| 21 | 4.2 | Bright |
| 22 | 4.2 | Bright |
| 23 | 4.2 | Bright |
| 24 | 4.2 | Bright |
| 25 | 4.2 | Bright |
| 26 | 4.2 | Bright |
| 27 | 4.2 | Bright |
| 28 | 4.2 | Bright |
| 29 | 4.2 | Bright |
| 30 | 4.2 | Bright |
| 31 | 4.3 | Bright |
Hazard calendar for San Antonio
In August, San Antonio sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.
San Antonio sits in the Pacific typhoon belt; the season peaks July–October.
San Antonio's monsoon runs June–September, when most of the year's rain falls.
Is August a good time to visit San Antonio?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a weaker month for outdoor sightseeing in San Antonio.
What to pack for San Antonio in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, San Antonio sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. About 29 days see rain.
Sea temperature near San Antonio in August
The nearest coast averages about 29°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore 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.
| 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 | 29 | 28 |
| Comfort | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| 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 | 29 | Tropical |
| Dec | 28 | Tropical |
UV index in San Antonio in August
Clear-sky midday UV in August peaks around 14 (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 Antonio peaks around August 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 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) | 10 | 11 | 13 | 13 | 12 | 12 | 12 | 14 | 12 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 14 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in San Antonio in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in San Antonio 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 27 | 26 | 29 | 28 | 23 | 22 | 21 | 21 | 22 | 29 | 30 | 29 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 27 | Moderate |
| Feb | 26 | Moderate |
| Mar | 29 | Moderate |
| Apr | 28 | Moderate |
| May | 23 | Moderate |
| Jun | 22 | Moderate |
| Jul | 21 | Moderate |
| Aug | 21 | Moderate |
| Sep | 22 | Moderate |
| Oct | 29 | Moderate |
| Nov | 30 | Moderate |
| Dec | 29 | Moderate |
Where is San Antonio?
San Antonio sits at 14.9°N, 120.1°E, 16 m above sea level, in Philippines. The nearest listed city is San Narciso, 8.0 km away.
Topography around San Antonio
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Antonio.
Within 3 km, the terrain around San Antonio has significant variations in elevation — a maximum elevation change of 398 m around an average of 40 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,081 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,021 m.
The land around San Antonio is covered by trees (50%), grassland (22%) and cropland (21%) within 3 km, water (42%), trees (23%) and grassland (20%) within 16 km, and water (47%) and trees (32%) 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 Antonio (14.9466°, 120.0867°, elevation 16 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).