San Antonio weather in May
In May, San Antonio sees average daytime highs of 16°C and overnight lows near 9°C, with 61 mm of rain across 4.7 wet days and about 10.3 hours of daylight. It is the 8th-warmest and 3rd-wettest month of the year here.
Highs ease over the month, from about 17°C in the first days to 15°C by the end. The sky is clear or mostly clear about 37% of the time in May, and the air most often feels dry.
Daylight stretches from about 10 h 42 min at the start of May to 10 hours by month's end. Set against the rest of the year, May is San Antonio's 11th-clearest and 12th-windiest month. For the whole year in context, see San Antonio's year-round climate.
- Daytime high
- 16°
- 8th warmest
- Overnight low
- 9°
- 5th coldest
- Rainfall
- 61 mm
- 4.7 wet days
- Daylight
- 10 h 18 min
- 8:35 AM – 6:51 PM
- Cloud cover
- 57%
- 11th clearest
- Wind
- 9 km/h
- 12th windiest
- Solar energy
- 3.1 kWh/m²
- Travel score
- 5.5
- out of 10
San Antonio is city in Chile.
- Density
- 3,926/km²
- people per km²
- Founded
- 1894
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs ease over the month, from about 17°C in the first days to 15°C by the end.
A typical May day in San Antonio reaches about 16°C in the afternoon and slips back to 9°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 18°C. Set against its neighbours, May runs about 2°C cooler than April and about 2°C warmer than June.
| 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) | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Avg low (°C) | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 17 | 10 |
| 2 | 17 | 9 |
| 3 | 17 | 9 |
| 4 | 17 | 9 |
| 5 | 17 | 9 |
| 6 | 16 | 9 |
| 7 | 16 | 9 |
| 8 | 16 | 9 |
| 9 | 16 | 9 |
| 10 | 16 | 9 |
| 11 | 16 | 9 |
| 12 | 16 | 9 |
| 13 | 16 | 9 |
| 14 | 16 | 9 |
| 15 | 16 | 9 |
| 16 | 16 | 9 |
| 17 | 16 | 9 |
| 18 | 15 | 9 |
| 19 | 15 | 9 |
| 20 | 15 | 9 |
| 21 | 15 | 9 |
| 22 | 15 | 9 |
| 23 | 15 | 9 |
| 24 | 15 | 9 |
| 25 | 15 | 9 |
| 26 | 15 | 9 |
| 27 | 15 | 8 |
| 28 | 15 | 8 |
| 29 | 15 | 8 |
| 30 | 15 | 8 |
| 31 | 15 | 8 |
San Antonio weather by month
How May compares with the rest of the year at a glance. May is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 21° / 14° | 0 | 0.1 | 14 | 8.8 |
| Feb | 21° / 14° | 2 | 0.3 | 13.2 | 8.7 |
| Mar | 20° / 12° | 4 | 0.7 | 12.3 | 8.4 |
| Apr | 18° / 10° | 18 | 2.2 | 11.2 | 7.2 |
| May | 16° / 9° | 61 | 4.7 | 10.3 | 5.5 |
| Jun | 14° / 8° | 122 | 7 | 9.8 | 4.3 |
| Jul | 13° / 7° | 67 | 5.5 | 10 | 4.2 |
| Aug | 14° / 7° | 59 | 5.1 | 10.8 | 4.6 |
| Sep | 15° / 8° | 28 | 3 | 11.8 | 5.5 |
| Oct | 17° / 10° | 14 | 1.8 | 12.8 | 6.7 |
| Nov | 18° / 11° | 4 | 0.7 | 13.7 | 7.9 |
| Dec | 20° / 12° | 3 | 0.4 | 14.2 | 8.4 |
Cloud cover in May
The sky is clear or mostly clear about 37% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to cloud over as the month goes on.
| 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 (%) | 64 | 63 | 62 | 61 | 60 | 59 | 58 | 56 | 55 | 54 | 53 | 51 | 50 | 49 | 49 | 48 | 47 | 47 | 47 | 45 | 45 | 44 | 44 | 44 | 45 | 45 | 45 | 46 | 47 | 47 | 47 |
| Cloudier (%) | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 44 | 45 | 46 | 47 | 49 | 50 | 51 | 51 | 52 | 53 | 53 | 53 | 55 | 55 | 56 | 56 | 56 | 55 | 55 | 55 | 54 | 53 | 53 | 53 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 64 | 36 |
| 2 | 63 | 37 |
| 3 | 62 | 38 |
| 4 | 61 | 39 |
| 5 | 60 | 40 |
| 6 | 59 | 41 |
| 7 | 58 | 42 |
| 8 | 56 | 44 |
| 9 | 55 | 45 |
| 10 | 54 | 46 |
| 11 | 53 | 47 |
| 12 | 51 | 49 |
| 13 | 50 | 50 |
| 14 | 49 | 51 |
| 15 | 49 | 51 |
| 16 | 48 | 52 |
| 17 | 47 | 53 |
| 18 | 47 | 53 |
| 19 | 47 | 53 |
| 20 | 45 | 55 |
| 21 | 45 | 55 |
| 22 | 44 | 56 |
| 23 | 44 | 56 |
| 24 | 44 | 56 |
| 25 | 45 | 55 |
| 26 | 45 | 55 |
| 27 | 45 | 55 |
| 28 | 46 | 54 |
| 29 | 47 | 53 |
| 30 | 47 | 53 |
| 31 | 47 | 53 |
Chance of precipitation in May
San Antonio gets around 61 mm of rain over 4.7 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 15% and peaks near 21% on the wettest days. The odds climb toward the end of the month.
| 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 (%) | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 17 | 18 | 18 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 21 |
| Rain chance (%) | |
|---|---|
| 1 | 10 |
| 2 | 10 |
| 3 | 10 |
| 4 | 10 |
| 5 | 10 |
| 6 | 10 |
| 7 | 11 |
| 8 | 11 |
| 9 | 11 |
| 10 | 12 |
| 11 | 12 |
| 12 | 13 |
| 13 | 13 |
| 14 | 14 |
| 15 | 14 |
| 16 | 15 |
| 17 | 15 |
| 18 | 16 |
| 19 | 16 |
| 20 | 17 |
| 21 | 18 |
| 22 | 18 |
| 23 | 19 |
| 24 | 19 |
| 25 | 19 |
| 26 | 20 |
| 27 | 20 |
| 28 | 20 |
| 29 | 20 |
| 30 | 20 |
| 31 | 21 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 97 | 97 | 97 | 97 | 98 | 98 | 98 | 98 | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 |
| Comfortable (%) | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 97 | 3 |
| 2 | 97 | 3 |
| 3 | 97 | 3 |
| 4 | 97 | 3 |
| 5 | 98 | 2 |
| 6 | 98 | 2 |
| 7 | 98 | 2 |
| 8 | 98 | 2 |
| 9 | 98 | 2 |
| 10 | 99 | 1 |
| 11 | 99 | 1 |
| 12 | 99 | 1 |
| 13 | 99 | 1 |
| 14 | 99 | 1 |
| 15 | 99 | 1 |
| 16 | 99 | 1 |
| 17 | 99 | 1 |
| 18 | 98 | 2 |
| 19 | 98 | 2 |
| 20 | 98 | 2 |
| 21 | 98 | 2 |
| 22 | 98 | 2 |
| 23 | 98 | 2 |
| 24 | 98 | 2 |
| 25 | 98 | 2 |
| 26 | 98 | 2 |
| 27 | 98 | 2 |
| 28 | 98 | 2 |
| 29 | 98 | 2 |
| 30 | 98 | 2 |
| 31 | 98 | 2 |
Wind in May
Winds average 9 km/h in May, the calmest month.
Across May, daily wind ranges from about 9 km/h on the calmest days to 9 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) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| 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 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 9 | calm |
Sunrise & sunset in May
Daylight runs from about 10 h 42 min at the start of May to 10 hours by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 42 minutes over May. Sunrise moves from 8:23 AM to 8:45 AM, and sunset from 7:04 PM to 6:42 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) | 10.7 | 10.7 | 10.6 | 10.6 | 10.6 | 10.5 | 10.5 | 10.5 | 10.4 | 10.4 | 10.4 | 10.4 | 10.3 | 10.3 | 10.3 | 10.3 | 10.2 | 10.2 | 10.2 | 10.2 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 |
| Sunrise (AM) | 8:23 | 8:24 | 8:25 | 8:26 | 8:26 | 8:27 | 8:28 | 8:29 | 8:29 | 8:30 | 8:31 | 8:32 | 8:32 | 8:33 | 8:34 | 8:35 | 8:35 | 8:36 | 8:37 | 8:38 | 8:38 | 8:39 | 8:40 | 8:41 | 8:41 | 8:42 | 8:43 | 8:43 | 8:44 | 8:45 | 8:45 |
| Sunset (PM) | 7:04 | 7:03 | 7:02 | 7:01 | 7:00 | 6:59 | 6:58 | 6:57 | 6:56 | 6:55 | 6:55 | 6:54 | 6:53 | 6:52 | 6:51 | 6:51 | 6:50 | 6:49 | 6:49 | 6:48 | 6:47 | 6:47 | 6:46 | 6:46 | 6:45 | 6:45 | 6:44 | 6:44 | 6:43 | 6:43 | 6:42 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.7 | 8:23 | 7:04 |
| 2 | 10.7 | 8:24 | 7:03 |
| 3 | 10.6 | 8:25 | 7:02 |
| 4 | 10.6 | 8:26 | 7:01 |
| 5 | 10.6 | 8:26 | 7:00 |
| 6 | 10.5 | 8:27 | 6:59 |
| 7 | 10.5 | 8:28 | 6:58 |
| 8 | 10.5 | 8:29 | 6:57 |
| 9 | 10.4 | 8:29 | 6:56 |
| 10 | 10.4 | 8:30 | 6:55 |
| 11 | 10.4 | 8:31 | 6:55 |
| 12 | 10.4 | 8:32 | 6:54 |
| 13 | 10.3 | 8:32 | 6:53 |
| 14 | 10.3 | 8:33 | 6:52 |
| 15 | 10.3 | 8:34 | 6:51 |
| 16 | 10.3 | 8:35 | 6:51 |
| 17 | 10.2 | 8:35 | 6:50 |
| 18 | 10.2 | 8:36 | 6:49 |
| 19 | 10.2 | 8:37 | 6:49 |
| 20 | 10.2 | 8:38 | 6:48 |
| 21 | 10.1 | 8:38 | 6:47 |
| 22 | 10.1 | 8:39 | 6:47 |
| 23 | 10.1 | 8:40 | 6:46 |
| 24 | 10.1 | 8:41 | 6:46 |
| 25 | 10.1 | 8:41 | 6:45 |
| 26 | 10.0 | 8:42 | 6:45 |
| 27 | 10.0 | 8:43 | 6:44 |
| 28 | 10.0 | 8:43 | 6:44 |
| 29 | 10.0 | 8:44 | 6:43 |
| 30 | 10.0 | 8:45 | 6:43 |
| 31 | 10.0 | 8:45 | 6:42 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 3.1 kWh/m².
For context, solar energy here swings from a low near 2.46 kWh/m² to a high of 8.96 kWh/m² in December across the year — May's 3.1 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) | 3.8 | 3.7 | 3.7 | 3.6 | 3.6 | 3.5 | 3.5 | 3.4 | 3.4 | 3.3 | 3.3 | 3.3 | 3.2 | 3.2 | 3.1 | 3.1 | 3.0 | 3.0 | 3.0 | 2.9 | 2.9 | 2.9 | 2.8 | 2.8 | 2.8 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.6 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.8 | Moderate |
| 2 | 3.7 | Moderate |
| 3 | 3.7 | Moderate |
| 4 | 3.6 | Moderate |
| 5 | 3.6 | Moderate |
| 6 | 3.5 | Moderate |
| 7 | 3.5 | Moderate |
| 8 | 3.4 | Moderate |
| 9 | 3.4 | Moderate |
| 10 | 3.3 | Moderate |
| 11 | 3.3 | Moderate |
| 12 | 3.3 | Moderate |
| 13 | 3.2 | Moderate |
| 14 | 3.2 | Moderate |
| 15 | 3.1 | Moderate |
| 16 | 3.1 | Moderate |
| 17 | 3.0 | Moderate |
| 18 | 3.0 | Moderate |
| 19 | 3.0 | Moderate |
| 20 | 2.9 | Moderate |
| 21 | 2.9 | Moderate |
| 22 | 2.9 | Moderate |
| 23 | 2.8 | Moderate |
| 24 | 2.8 | Moderate |
| 25 | 2.8 | Moderate |
| 26 | 2.7 | Moderate |
| 27 | 2.7 | Moderate |
| 28 | 2.7 | Moderate |
| 29 | 2.7 | Moderate |
| 30 | 2.7 | Moderate |
| 31 | 2.6 | Moderate |
Is May a good time to visit San Antonio?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit San Antonio for sightseeing.
What to pack for San Antonio in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, San Antonio sees daytime highs around 16°C and nights near 9°C. Worth packing: a warm layer. About 5 days see rain.
Sea temperature near San Antonio in May
The nearest coast averages about 14°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in February at about 16°C and coldest in August near 12°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 16 | 16 | 16 | 14 | 14 | 13 | 13 | 12 | 12 | 13 | 13 | 15 |
| Comfort | Cool | Cool | Cool | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 16 | Cool |
| Mar | 16 | Cool |
| Apr | 14 | Bracing |
| May | 14 | Bracing |
| Jun | 13 | Bracing |
| Jul | 13 | Bracing |
| Aug | 12 | Bracing |
| Sep | 12 | Bracing |
| Oct | 13 | Bracing |
| Nov | 13 | Bracing |
| Dec | 15 | Bracing |
UV index in San Antonio in May
Clear-sky midday UV in May peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in San Antonio peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 12 | 10 | 5 | 3 | 3 | 3 | 4 | 6 | 9 | 11 | 12 |
| Level | Extreme | Extreme | Very high | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 12 | Extreme |
| Mar | 10 | Very high |
| Apr | 5 | High |
| May | 3 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 9 | Very high |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Air quality in San Antonio in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in San Antonio is worst in July — around 88 µg/m³ PM2.5 (unhealthy), about 2.5× the cleanest month (February, 35 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 45 | 35 | 40 | 58 | 83 | 85 | 88 | 77 | 64 | 45 | 37 | 38 |
| Level | Poor | Moderate | Poor | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 45 | Poor |
| Feb | 35 | Moderate |
| Mar | 40 | Poor |
| Apr | 58 | Unhealthy |
| May | 83 | Unhealthy |
| Jun | 85 | Unhealthy |
| Jul | 88 | Unhealthy |
| Aug | 77 | Unhealthy |
| Sep | 64 | Unhealthy |
| Oct | 45 | Poor |
| Nov | 37 | Poor |
| Dec | 38 | Poor |
Where is San Antonio?
San Antonio sits at 33.6°S, 71.6°W, 39 m above sea level, in Chile. The nearest listed city is Cartagena, 5.0 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 only modest variations in elevation — a maximum elevation change of 212 m around an average of 54 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 488 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,259 m.
The land around San Antonio is covered by artificial surfaces (38%) and water (23%) within 3 km, water (40%) and grassland (24%) within 16 km, and water (29%) and grassland (22%) within 80 km.
Chile travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / L
- 220 V · 50 Hz
- Prices
- ≈ 48% of US
- price level, 2025
- GDP per capita
- $17,995
- 2025
- Happiness
- 6.3 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 6.3
- per 100k, 2023
- Road deaths
- 14.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 517
- 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 (-33.5947°, -71.6075°, elevation 39 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. 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).