San Onofre weather in August
In August, San Onofre sees average daytime highs of 30°C and overnight lows near 25°C, with 207 mm of rain across 27.3 wet days and about 12.3 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 1% of the time in August, and the air most often feels miserable.
Daylight stretches from about 12 h 24 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is San Onofre's 12th-clearest and 6th-windiest month. For the whole year in context, see San Onofre's year-round climate.
- Daytime high
- 30°
- 7th warmest
- Overnight low
- 25°
- 8th coldest
- Rainfall
- 207 mm
- 27.3 wet days
- Daylight
- 12 h 18 min
- 5:56 AM – 6:16 PM
- Cloud cover
- 91%
- 12th clearest
- Wind
- 8 km/h
- 6th windiest
- Solar energy
- 5.16 kWh/m²
- Travel score
- 2.9
- out of 10
Temperature in August
Day-to-day highs hold fairly steady near 30°C through the month.
A typical August day in San Onofre reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°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) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 25 |
| 2 | 30 | 25 |
| 3 | 30 | 25 |
| 4 | 30 | 25 |
| 5 | 30 | 25 |
| 6 | 30 | 25 |
| 7 | 30 | 25 |
| 8 | 30 | 25 |
| 9 | 30 | 25 |
| 10 | 30 | 25 |
| 11 | 30 | 25 |
| 12 | 30 | 25 |
| 13 | 30 | 25 |
| 14 | 30 | 25 |
| 15 | 30 | 25 |
| 16 | 30 | 25 |
| 17 | 30 | 25 |
| 18 | 30 | 25 |
| 19 | 30 | 25 |
| 20 | 30 | 25 |
| 21 | 30 | 25 |
| 22 | 30 | 25 |
| 23 | 30 | 25 |
| 24 | 30 | 25 |
| 25 | 30 | 25 |
| 26 | 30 | 25 |
| 27 | 30 | 25 |
| 28 | 29 | 25 |
| 29 | 29 | 25 |
| 30 | 29 | 25 |
| 31 | 29 | 25 |
How August really feels in San Onofre
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 Onofre weather by month
How August compares with the rest of the year at a glance. August is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 24° | 19 | 5.1 | 11.5 | 5.6 |
| Feb | 31° / 25° | 20 | 5.6 | 11.7 | 5.1 |
| Mar | 31° / 25° | 43 | 12 | 11.9 | 4.5 |
| Apr | 30° / 25° | 119 | 22.3 | 12.2 | 3.4 |
| May | 30° / 25° | 220 | 28.2 | 12.4 | 2.9 |
| Jun | 30° / 25° | 210 | 26.1 | 12.6 | 2.9 |
| Jul | 30° / 25° | 189 | 25.7 | 12.5 | 3.0 |
| Aug | 30° / 25° | 207 | 27.3 | 12.3 | 2.9 |
| Sep | 29° / 25° | 220 | 28.2 | 12.1 | 2.9 |
| Oct | 29° / 25° | 251 | 29 | 11.8 | 3.0 |
| Nov | 29° / 25° | 190 | 25.1 | 11.6 | 3.4 |
| Dec | 30° / 25° | 80 | 14.3 | 11.4 | 4.7 |
Cloud cover in August
The sky is clear or mostly clear about 1% of the time in August, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 4% of August, with mostly cloudy or overcast conditions the remaining 95%.
| 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 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 |
| Cloudier (%) | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 96 | 96 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 94 | 94 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 5 | 95 |
| 2 | 5 | 95 |
| 3 | 5 | 95 |
| 4 | 5 | 95 |
| 5 | 5 | 95 |
| 6 | 5 | 95 |
| 7 | 5 | 95 |
| 8 | 4 | 96 |
| 9 | 4 | 96 |
| 10 | 5 | 95 |
| 11 | 5 | 95 |
| 12 | 5 | 95 |
| 13 | 5 | 95 |
| 14 | 5 | 95 |
| 15 | 5 | 95 |
| 16 | 5 | 95 |
| 17 | 5 | 95 |
| 18 | 5 | 95 |
| 19 | 4 | 96 |
| 20 | 4 | 96 |
| 21 | 4 | 96 |
| 22 | 5 | 95 |
| 23 | 5 | 95 |
| 24 | 5 | 95 |
| 25 | 5 | 95 |
| 26 | 5 | 95 |
| 27 | 5 | 95 |
| 28 | 5 | 95 |
| 29 | 5 | 95 |
| 30 | 6 | 94 |
| 31 | 6 | 94 |
Chance of precipitation in August
San Onofre gets around 207 mm of rain over 27.3 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 88% and peaks near 92% 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 (%) | 86 | 86 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 88 | 88 | 89 | 89 | 89 | 90 | 90 | 91 | 91 | 91 | 92 | 92 | 92 |
| Rain chance (%) | |
|---|---|
| 1 | 86 |
| 2 | 86 |
| 3 | 87 |
| 4 | 87 |
| 5 | 87 |
| 6 | 87 |
| 7 | 87 |
| 8 | 87 |
| 9 | 87 |
| 10 | 87 |
| 11 | 87 |
| 12 | 87 |
| 13 | 87 |
| 14 | 87 |
| 15 | 87 |
| 16 | 87 |
| 17 | 87 |
| 18 | 87 |
| 19 | 88 |
| 20 | 88 |
| 21 | 89 |
| 22 | 89 |
| 23 | 89 |
| 24 | 90 |
| 25 | 90 |
| 26 | 91 |
| 27 | 91 |
| 28 | 91 |
| 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 72% 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 (%) | 22 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 25 | 25 | 26 | 26 | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 30 | 30 | 30 | 31 | 31 | 32 | 32 | 33 | 33 | 34 | 35 | 35 |
| Miserable (%) | 78 | 78 | 78 | 77 | 77 | 77 | 76 | 76 | 75 | 75 | 74 | 74 | 73 | 73 | 73 | 72 | 72 | 71 | 71 | 70 | 70 | 70 | 69 | 69 | 68 | 68 | 67 | 67 | 66 | 65 | 65 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 22 | 78 |
| 2 | 22 | 78 |
| 3 | 22 | 78 |
| 4 | 23 | 77 |
| 5 | 23 | 77 |
| 6 | 23 | 77 |
| 7 | 24 | 76 |
| 8 | 24 | 76 |
| 9 | 25 | 75 |
| 10 | 25 | 75 |
| 11 | 26 | 74 |
| 12 | 26 | 74 |
| 13 | 27 | 73 |
| 14 | 27 | 73 |
| 15 | 27 | 73 |
| 16 | 28 | 72 |
| 17 | 28 | 72 |
| 18 | 29 | 71 |
| 19 | 29 | 71 |
| 20 | 30 | 70 |
| 21 | 30 | 70 |
| 22 | 30 | 70 |
| 23 | 31 | 69 |
| 24 | 31 | 69 |
| 25 | 32 | 68 |
| 26 | 32 | 68 |
| 27 | 33 | 67 |
| 28 | 33 | 67 |
| 29 | 34 | 66 |
| 30 | 35 | 65 |
| 31 | 35 | 65 |
Wind in August
Winds average 8 km/h in August.
Across August, daily wind ranges from about 8 km/h on the calmest days to 8 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) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| 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 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
| 31 | 8 | calm |
Sunrise & sunset in August
Daylight runs from about 12 h 24 min at the start of August to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 12 minutes over August. Sunrise moves from 5:55 AM to 5:56 AM, and sunset from 6:21 PM to 6:08 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) | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 |
| Sunrise (AM) | 5:55 | 5:55 | 5:55 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 |
| Sunset (PM) | 6:21 | 6:21 | 6:21 | 6:20 | 6:20 | 6:20 | 6:19 | 6:19 | 6:19 | 6:18 | 6:18 | 6:18 | 6:17 | 6:17 | 6:16 | 6:16 | 6:15 | 6:15 | 6:15 | 6:14 | 6:14 | 6:13 | 6:13 | 6:12 | 6:11 | 6:11 | 6:10 | 6:10 | 6:09 | 6:09 | 6:08 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.4 | 5:55 | 6:21 |
| 2 | 12.4 | 5:55 | 6:21 |
| 3 | 12.4 | 5:55 | 6:21 |
| 4 | 12.4 | 5:56 | 6:20 |
| 5 | 12.4 | 5:56 | 6:20 |
| 6 | 12.4 | 5:56 | 6:20 |
| 7 | 12.4 | 5:56 | 6:19 |
| 8 | 12.4 | 5:56 | 6:19 |
| 9 | 12.4 | 5:56 | 6:19 |
| 10 | 12.4 | 5:56 | 6:18 |
| 11 | 12.4 | 5:56 | 6:18 |
| 12 | 12.4 | 5:56 | 6:18 |
| 13 | 12.3 | 5:56 | 6:17 |
| 14 | 12.3 | 5:56 | 6:17 |
| 15 | 12.3 | 5:56 | 6:16 |
| 16 | 12.3 | 5:56 | 6:16 |
| 17 | 12.3 | 5:57 | 6:15 |
| 18 | 12.3 | 5:57 | 6:15 |
| 19 | 12.3 | 5:57 | 6:15 |
| 20 | 12.3 | 5:57 | 6:14 |
| 21 | 12.3 | 5:57 | 6:14 |
| 22 | 12.3 | 5:57 | 6:13 |
| 23 | 12.3 | 5:57 | 6:13 |
| 24 | 12.3 | 5:57 | 6:12 |
| 25 | 12.2 | 5:56 | 6:11 |
| 26 | 12.2 | 5:56 | 6:11 |
| 27 | 12.2 | 5:56 | 6:10 |
| 28 | 12.2 | 5:56 | 6:10 |
| 29 | 12.2 | 5:56 | 6:09 |
| 30 | 12.2 | 5:56 | 6:09 |
| 31 | 12.2 | 5:56 | 6:08 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 5.16 kWh/m².
For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 5.97 kWh/m² in March across the year — August's 5.16 kWh/m² falls in the middle.
| 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) | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.0 |
| Level | 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 | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.3 | Bright |
| 2 | 5.3 | Bright |
| 3 | 5.3 | Bright |
| 4 | 5.2 | Bright |
| 5 | 5.2 | Bright |
| 6 | 5.2 | Bright |
| 7 | 5.2 | Bright |
| 8 | 5.2 | Bright |
| 9 | 5.2 | Bright |
| 10 | 5.2 | Bright |
| 11 | 5.2 | Bright |
| 12 | 5.2 | Bright |
| 13 | 5.2 | Bright |
| 14 | 5.2 | Bright |
| 15 | 5.2 | Bright |
| 16 | 5.1 | Bright |
| 17 | 5.1 | Bright |
| 18 | 5.1 | Bright |
| 19 | 5.1 | Bright |
| 20 | 5.1 | Bright |
| 21 | 5.1 | Bright |
| 22 | 5.1 | Bright |
| 23 | 5.1 | Bright |
| 24 | 5.1 | Bright |
| 25 | 5.1 | Bright |
| 26 | 5.1 | Bright |
| 27 | 5.1 | Bright |
| 28 | 5.1 | Bright |
| 29 | 5.1 | Bright |
| 30 | 5.1 | Bright |
| 31 | 5.0 | Bright |
Is August a good time to visit San Onofre?
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 Onofre.
What to pack for San Onofre in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, San Onofre sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.
Sea temperature near San Onofre in August
The nearest coast averages about 30°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 16 km away) is warmest in July at about 30°C and coldest in March near 28°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) | 29 | 28 | 28 | 29 | 29 | 30 | 30 | 30 | 30 | 29 | 29 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 28 | Tropical |
| Mar | 28 | Tropical |
| Apr | 29 | Tropical |
| May | 29 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in San Onofre in August
Clear-sky midday UV in August peaks around 12 (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 Onofre peaks around June 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 10 (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) | 11 | 12 | 12 | 12 | 13 | 13 | 11 | 12 | 12 | 12 | 10 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 12 | Extreme |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 13 | Extreme |
| Jun | 13 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Very high |
| Dec | 10 | Very high |
Air quality in San Onofre 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 Onofre is worst in July — around 26 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 11 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) | 14 | 18 | 26 | 25 | 25 | 23 | 26 | 20 | 14 | 12 | 11 | 14 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 18 | Moderate |
| Mar | 26 | Moderate |
| Apr | 25 | Moderate |
| May | 25 | Moderate |
| Jun | 23 | Moderate |
| Jul | 26 | Moderate |
| Aug | 20 | Moderate |
| Sep | 14 | Moderate |
| Oct | 12 | Good |
| Nov | 11 | Good |
| Dec | 14 | Moderate |
Where is San Onofre?
San Onofre sits at 9.7°N, 75.5°W, 37 m above sea level, in Colombia. The nearest listed city is Santiago de Tolú, 24 km away.
Topography around San Onofre
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Onofre.
Within 3 km, the terrain around San Onofre has only modest variations in elevation — a maximum elevation change of 53 m around an average of 27 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 232 m; within 80 km, large variations in elevation — a maximum elevation change of 810 m.
The land around San Onofre is covered by grassland (79%) within 3 km, grassland (52%) and trees (33%) within 16 km, and grassland (39%), water (32%) and trees (23%) within 80 km.
Colombia travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type A / B
- 120 / 240 V · 60 Hz
- Prices
- ≈ 38% of US
- price level, 2025
- GDP per capita
- $8,562
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 74%
- of population, 2024
- Homicide rate
- 24.9
- per 100k, 2023
- Road deaths
- 15.4
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 480
- 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 Onofre (9.7359°, -75.5263°, elevation 37 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).