San Marcos weather in February
In February, San Marcos sees average daytime highs of 35°C and overnight lows near 25°C, with 31 mm of rain across 6.9 wet days and about 11.7 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 44% of the time in February, and the air most often feels oppressive.
Daylight stretches from about 11 h 36 min at the start of February to 11 h 48 min by month's end. Set against the rest of the year, February is San Marcos's 2nd-clearest and 1st-windiest month. For the whole year in context, see San Marcos's year-round climate.
- Daytime high
- 35°
- 1st warmest
- Overnight low
- 25°
- 11th coldest
- Rainfall
- 31 mm
- 6.9 wet days
- Daylight
- 11 h 42 min
- 6:24 AM – 6:07 PM
- Cloud cover
- 49%
- 2nd clearest
- Wind
- 8 km/h
- 1st windiest
- Solar energy
- 5.68 kWh/m²
- Travel score
- 2.9
- out of 10
Temperature in February
Day-to-day highs hold fairly steady near 35°C through the month.
A typical February day in San Marcos reaches about 35°C in the afternoon and slips back to 25°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 37°C. Set against its neighbours, February runs about 2°C warmer than January and on par with March.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 34 | 25 |
| 2 | 34 | 25 |
| 3 | 34 | 25 |
| 4 | 34 | 25 |
| 5 | 34 | 25 |
| 6 | 34 | 25 |
| 7 | 34 | 25 |
| 8 | 34 | 25 |
| 9 | 35 | 25 |
| 10 | 35 | 25 |
| 11 | 35 | 25 |
| 12 | 35 | 25 |
| 13 | 35 | 25 |
| 14 | 35 | 25 |
| 15 | 35 | 25 |
| 16 | 35 | 25 |
| 17 | 35 | 25 |
| 18 | 35 | 25 |
| 19 | 35 | 25 |
| 20 | 35 | 26 |
| 21 | 35 | 26 |
| 22 | 35 | 26 |
| 23 | 35 | 26 |
| 24 | 35 | 26 |
| 25 | 35 | 26 |
| 26 | 35 | 26 |
| 27 | 35 | 26 |
| 28 | 35 | 26 |
How February really feels in San Marcos
Once humidity and wind are folded in, February averages 28 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 February is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
San Marcos weather by month
How February compares with the rest of the year at a glance. February is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 33° / 24° | 31 | 7.8 | 11.6 | 3.8 |
| Feb | 35° / 25° | 31 | 6.9 | 11.7 | 2.9 |
| Mar | 35° / 26° | 80 | 15.2 | 11.9 | 2.3 |
| Apr | 33° / 25° | 198 | 25.7 | 12.2 | 2.1 |
| May | 32° / 25° | 310 | 29.3 | 12.4 | 2.1 |
| Jun | 32° / 25° | 260 | 27.1 | 12.5 | 2.2 |
| Jul | 32° / 25° | 244 | 27.3 | 12.5 | 2.3 |
| Aug | 32° / 24° | 258 | 28.3 | 12.3 | 2.2 |
| Sep | 32° / 24° | 265 | 28.9 | 12.1 | 2.2 |
| Oct | 31° / 24° | 273 | 29.8 | 11.8 | 2.3 |
| Nov | 31° / 24° | 196 | 27.2 | 11.6 | 2.5 |
| Dec | 32° / 24° | 96 | 18.8 | 11.5 | 3.3 |
Cloud cover in February
The sky is clear or mostly clear about 44% of the time in February.
Beyond those clear spells, partly cloudy skies cover about 20% of February, with mostly cloudy or overcast conditions the remaining 36%. 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 68 | 67 | 67 | 66 | 66 | 65 | 65 | 65 | 64 | 64 | 64 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 64 | 64 | 63 | 62 | 61 | 59 | 59 | 58 |
| Cloudier (%) | 32 | 33 | 33 | 34 | 34 | 35 | 35 | 35 | 36 | 36 | 36 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 36 | 36 | 37 | 38 | 39 | 41 | 41 | 42 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 68 | 32 |
| 2 | 67 | 33 |
| 3 | 67 | 33 |
| 4 | 66 | 34 |
| 5 | 66 | 34 |
| 6 | 65 | 35 |
| 7 | 65 | 35 |
| 8 | 65 | 35 |
| 9 | 64 | 36 |
| 10 | 64 | 36 |
| 11 | 64 | 36 |
| 12 | 65 | 35 |
| 13 | 65 | 35 |
| 14 | 65 | 35 |
| 15 | 65 | 35 |
| 16 | 65 | 35 |
| 17 | 65 | 35 |
| 18 | 65 | 35 |
| 19 | 65 | 35 |
| 20 | 65 | 35 |
| 21 | 64 | 36 |
| 22 | 64 | 36 |
| 23 | 63 | 37 |
| 24 | 62 | 38 |
| 25 | 61 | 39 |
| 26 | 59 | 41 |
| 27 | 59 | 41 |
| 28 | 58 | 42 |
Chance of precipitation in February
San Marcos gets around 31 mm of rain over 6.9 wet days in February. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 24% and peaks near 32% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 19 | 19 | 20 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 25 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 |
| Rain chance (%) | |
|---|---|
| 1 | 19 |
| 2 | 19 |
| 3 | 20 |
| 4 | 21 |
| 5 | 21 |
| 6 | 22 |
| 7 | 22 |
| 8 | 23 |
| 9 | 23 |
| 10 | 23 |
| 11 | 23 |
| 12 | 23 |
| 13 | 23 |
| 14 | 23 |
| 15 | 23 |
| 16 | 23 |
| 17 | 24 |
| 18 | 24 |
| 19 | 24 |
| 20 | 25 |
| 21 | 25 |
| 22 | 26 |
| 23 | 27 |
| 24 | 28 |
| 25 | 29 |
| 26 | 30 |
| 27 | 31 |
| 28 | 32 |
Humidity in February
Most of February feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, February lands in the oppressive band about 80% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 |
| Oppressive (%) | 80 | 79 | 80 | 81 | 80 | 80 | 81 | 80 | 80 | 81 | 81 | 80 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 80 | 80 | 80 | 79 | 80 |
| Miserable (%) | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 13 | 13 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 4 | 80 | 16 |
| 2 | 5 | 79 | 16 |
| 3 | 5 | 80 | 15 |
| 4 | 5 | 81 | 14 |
| 5 | 6 | 80 | 14 |
| 6 | 6 | 80 | 14 |
| 7 | 6 | 81 | 13 |
| 8 | 7 | 80 | 13 |
| 9 | 7 | 80 | 13 |
| 10 | 7 | 81 | 12 |
| 11 | 7 | 81 | 12 |
| 12 | 8 | 80 | 12 |
| 13 | 8 | 81 | 11 |
| 14 | 8 | 81 | 11 |
| 15 | 8 | 81 | 11 |
| 16 | 8 | 81 | 11 |
| 17 | 8 | 81 | 11 |
| 18 | 8 | 81 | 11 |
| 19 | 8 | 81 | 11 |
| 20 | 8 | 81 | 11 |
| 21 | 8 | 81 | 11 |
| 22 | 8 | 81 | 11 |
| 23 | 8 | 81 | 11 |
| 24 | 8 | 80 | 12 |
| 25 | 8 | 80 | 12 |
| 26 | 8 | 80 | 12 |
| 27 | 8 | 79 | 13 |
| 28 | 7 | 80 | 13 |
Wind in February
Winds average 8 km/h in February, the windiest month of the year.
Across February, daily wind ranges from about 7 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | 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 |
Sunrise & sunset in February
Daylight runs from about 11 h 36 min at the start of February to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over February. Sunrise moves from 6:25 AM to 6:20 AM, and sunset from 6:03 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 |
| Sunrise (AM) | 6:25 | 6:25 | 6:25 | 6:25 | 6:25 | 6:25 | 6:25 | 6:25 | 6:25 | 6:25 | 6:24 | 6:24 | 6:24 | 6:24 | 6:24 | 6:23 | 6:23 | 6:23 | 6:23 | 6:22 | 6:22 | 6:22 | 6:21 | 6:21 | 6:21 | 6:20 | 6:20 | 6:20 |
| Sunset (PM) | 6:03 | 6:03 | 6:03 | 6:04 | 6:04 | 6:04 | 6:05 | 6:05 | 6:05 | 6:05 | 6:06 | 6:06 | 6:06 | 6:06 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.6 | 6:25 | 6:03 |
| 2 | 11.6 | 6:25 | 6:03 |
| 3 | 11.6 | 6:25 | 6:03 |
| 4 | 11.6 | 6:25 | 6:04 |
| 5 | 11.6 | 6:25 | 6:04 |
| 6 | 11.7 | 6:25 | 6:04 |
| 7 | 11.7 | 6:25 | 6:05 |
| 8 | 11.7 | 6:25 | 6:05 |
| 9 | 11.7 | 6:25 | 6:05 |
| 10 | 11.7 | 6:25 | 6:05 |
| 11 | 11.7 | 6:24 | 6:06 |
| 12 | 11.7 | 6:24 | 6:06 |
| 13 | 11.7 | 6:24 | 6:06 |
| 14 | 11.7 | 6:24 | 6:06 |
| 15 | 11.7 | 6:24 | 6:07 |
| 16 | 11.7 | 6:23 | 6:07 |
| 17 | 11.7 | 6:23 | 6:07 |
| 18 | 11.7 | 6:23 | 6:07 |
| 19 | 11.7 | 6:23 | 6:07 |
| 20 | 11.8 | 6:22 | 6:07 |
| 21 | 11.8 | 6:22 | 6:08 |
| 22 | 11.8 | 6:22 | 6:08 |
| 23 | 11.8 | 6:21 | 6:08 |
| 24 | 11.8 | 6:21 | 6:08 |
| 25 | 11.8 | 6:21 | 6:08 |
| 26 | 11.8 | 6:20 | 6:08 |
| 27 | 11.8 | 6:20 | 6:08 |
| 28 | 11.8 | 6:20 | 6:08 |
Solar energy in February
Average shortwave solar energy reaching the ground each day in February, about 5.68 kWh/m².
For context, solar energy here swings from a low near 4.41 kWh/m² to a high of 5.7 kWh/m² in March across the year — February's 5.68 kWh/m² sits near the top of that range.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.5 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 |
| 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 |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.5 | Bright |
| 2 | 5.5 | Bright |
| 3 | 5.5 | Bright |
| 4 | 5.5 | Bright |
| 5 | 5.6 | Bright |
| 6 | 5.6 | Bright |
| 7 | 5.6 | Bright |
| 8 | 5.6 | Bright |
| 9 | 5.6 | Bright |
| 10 | 5.6 | Bright |
| 11 | 5.6 | Bright |
| 12 | 5.6 | Bright |
| 13 | 5.7 | Bright |
| 14 | 5.7 | Bright |
| 15 | 5.7 | Bright |
| 16 | 5.7 | Bright |
| 17 | 5.7 | Bright |
| 18 | 5.7 | Bright |
| 19 | 5.7 | Bright |
| 20 | 5.8 | Bright |
| 21 | 5.8 | Bright |
| 22 | 5.8 | Bright |
| 23 | 5.8 | Bright |
| 24 | 5.8 | Bright |
| 25 | 5.8 | Bright |
| 26 | 5.8 | Bright |
| 27 | 5.8 | Bright |
| 28 | 5.8 | Bright |
Is February a good time to visit San Marcos?
Our two travel scores rate February for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
February is a weaker month for outdoor sightseeing in San Marcos. The water and warmth also suit a beach or pool day.
What to pack for San Marcos in February
From February's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In February, San Marcos sees daytime highs around 35°C and nights near 25°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.
UV index in San Marcos in February
Clear-sky midday UV in February 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 Marcos peaks around June 15 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 | 12 | 13 | 12 | 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 | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Very high |
| Dec | 10 | Very high |
Air quality in San Marcos in February
Average fine-particle pollution (PM2.5) through the year — so you can see where February falls, not just the annual average.
Air quality in San Marcos is worst in March — around 34 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (November, 12 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 | 21 | 34 | 27 | 22 | 20 | 20 | 17 | 14 | 13 | 12 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 21 | Moderate |
| Mar | 34 | Moderate |
| Apr | 27 | Moderate |
| May | 22 | Moderate |
| Jun | 20 | Moderate |
| Jul | 20 | Moderate |
| Aug | 17 | Moderate |
| Sep | 14 | Moderate |
| Oct | 13 | Moderate |
| Nov | 12 | Moderate |
| Dec | 13 | Moderate |
Where is San Marcos?
San Marcos sits at 8.7°N, 75.1°W, 25 m above sea level, in Colombia. The nearest listed city is San Benito Abad, 32 km away.
Topography around San Marcos
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Marcos.
Within 3 km, the terrain around San Marcos has only modest variations in elevation — a maximum elevation change of 18 m around an average of 22 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 73 m; within 80 km, large variations in elevation — a maximum elevation change of 1,004 m.
The land around San Marcos is covered by grassland (57%) within 3 km, grassland (69%) within 16 km, and grassland (68%) 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 Marcos (8.6597°, -75.1281°, elevation 25 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. 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).