San Andrés weather in March
In March, San Andrés sees average daytime highs of 27°C and overnight lows near 26°C, with 18 mm of rain across 6.5 wet days and about 11.9 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.
Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 77% of the time in March, and the air most often feels oppressive.
Daylight stretches from about 11 h 42 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is San Andrés's 2nd-clearest and 5th-windiest month. For the whole year in context, see San Andrés's year-round climate.
- Daytime high
- 27°
- 10th warmest
- Overnight low
- 26°
- 4th coldest
- Rainfall
- 18 mm
- 6.5 wet days
- Daylight
- 11 h 54 min
- 6:39 AM – 6:34 PM
- Cloud cover
- 30%
- 2nd clearest
- Wind
- 24 km/h
- 5th windiest
- Solar energy
- 6.43 kWh/m²
- Travel score
- 7.6
- out of 10
Temperature in March
Day-to-day highs hold fairly steady near 27°C through the month.
A typical March day in San Andrés reaches about 27°C in the afternoon and slips back to 26°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 27°C. Set against its neighbours, March runs on par with February and on par with April.
| 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) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 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 | 27 | 25 |
| 2 | 27 | 25 |
| 3 | 27 | 25 |
| 4 | 27 | 25 |
| 5 | 27 | 26 |
| 6 | 27 | 26 |
| 7 | 27 | 26 |
| 8 | 27 | 26 |
| 9 | 27 | 26 |
| 10 | 27 | 26 |
| 11 | 27 | 26 |
| 12 | 27 | 26 |
| 13 | 27 | 26 |
| 14 | 27 | 26 |
| 15 | 27 | 26 |
| 16 | 27 | 26 |
| 17 | 27 | 26 |
| 18 | 27 | 26 |
| 19 | 27 | 26 |
| 20 | 27 | 26 |
| 21 | 27 | 26 |
| 22 | 27 | 26 |
| 23 | 27 | 26 |
| 24 | 27 | 26 |
| 25 | 27 | 26 |
| 26 | 27 | 26 |
| 27 | 27 | 26 |
| 28 | 27 | 26 |
| 29 | 27 | 26 |
| 30 | 27 | 26 |
| 31 | 27 | 26 |
How March really feels in San Andrés
Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
San Andrés weather by month
How March compares with the rest of the year at a glance. March is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 25° | 57 | 15.6 | 11.3 | 6.2 |
| Feb | 27° / 25° | 27 | 9.3 | 11.6 | 7.1 |
| Mar | 27° / 26° | 18 | 6.5 | 11.9 | 7.6 |
| Apr | 27° / 26° | 27 | 6.8 | 12.3 | 7.2 |
| May | 28° / 26° | 145 | 19.1 | 12.6 | 5.0 |
| Jun | 28° / 26° | 245 | 25.4 | 12.7 | 3.9 |
| Jul | 28° / 26° | 247 | 25.4 | 12.7 | 4.0 |
| Aug | 28° / 26° | 230 | 26.1 | 12.4 | 3.9 |
| Sep | 28° / 26° | 222 | 26.2 | 12.1 | 3.7 |
| Oct | 28° / 26° | 298 | 28.1 | 11.7 | 3.7 |
| Nov | 27° / 26° | 262 | 25.3 | 11.4 | 4.1 |
| Dec | 27° / 26° | 114 | 20.4 | 11.3 | 5.2 |
Cloud cover in March
The sky is clear or mostly clear about 77% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 13% of March, with mostly cloudy or overcast conditions the remaining 10%. 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 (%) | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 89 | 88 | 88 | 88 | 87 | 87 |
| Cloudier (%) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 12 | 12 | 12 | 13 | 13 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 91 | 9 |
| 2 | 91 | 9 |
| 3 | 91 | 9 |
| 4 | 91 | 9 |
| 5 | 91 | 9 |
| 6 | 91 | 9 |
| 7 | 91 | 9 |
| 8 | 90 | 10 |
| 9 | 90 | 10 |
| 10 | 90 | 10 |
| 11 | 90 | 10 |
| 12 | 90 | 10 |
| 13 | 90 | 10 |
| 14 | 90 | 10 |
| 15 | 90 | 10 |
| 16 | 90 | 10 |
| 17 | 90 | 10 |
| 18 | 90 | 10 |
| 19 | 90 | 10 |
| 20 | 90 | 10 |
| 21 | 90 | 10 |
| 22 | 90 | 10 |
| 23 | 90 | 10 |
| 24 | 90 | 10 |
| 25 | 90 | 10 |
| 26 | 89 | 11 |
| 27 | 88 | 12 |
| 28 | 88 | 12 |
| 29 | 88 | 12 |
| 30 | 87 | 13 |
| 31 | 87 | 13 |
Chance of precipitation in March
San Andrés gets around 18 mm of rain over 6.5 wet days in March, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 21% and peaks near 23% 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 (%) | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 17 |
| Rain chance (%) | |
|---|---|
| 1 | 23 |
| 2 | 23 |
| 3 | 23 |
| 4 | 22 |
| 5 | 22 |
| 6 | 22 |
| 7 | 22 |
| 8 | 22 |
| 9 | 22 |
| 10 | 22 |
| 11 | 22 |
| 12 | 22 |
| 13 | 22 |
| 14 | 22 |
| 15 | 22 |
| 16 | 22 |
| 17 | 22 |
| 18 | 22 |
| 19 | 21 |
| 20 | 21 |
| 21 | 21 |
| 22 | 21 |
| 23 | 20 |
| 24 | 20 |
| 25 | 20 |
| 26 | 19 |
| 27 | 19 |
| 28 | 19 |
| 29 | 18 |
| 30 | 18 |
| 31 | 17 |
Humidity in March
Most of March feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the oppressive band about 86% of days. Sticky, muggy-or-worse air turns up on roughly 99% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 7 | 7 | 7 | 7 |
| Oppressive (%) | 88 | 86 | 86 | 85 | 84 | 84 | 84 | 84 | 84 | 85 | 85 | 86 | 85 | 86 | 86 | 86 | 86 | 86 | 86 | 88 | 89 | 89 | 89 | 89 | 88 | 87 | 88 | 88 | 87 | 87 | 86 |
| Miserable (%) | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 7 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 0 | 9 | 88 | 3 |
| 2 | 1 | 10 | 86 | 3 |
| 3 | 1 | 10 | 86 | 3 |
| 4 | 1 | 11 | 85 | 3 |
| 5 | 1 | 11 | 84 | 4 |
| 6 | 1 | 11 | 84 | 4 |
| 7 | 1 | 11 | 84 | 4 |
| 8 | 1 | 11 | 84 | 4 |
| 9 | 1 | 11 | 84 | 4 |
| 10 | 1 | 10 | 85 | 4 |
| 11 | 1 | 10 | 85 | 4 |
| 12 | 1 | 9 | 86 | 4 |
| 13 | 1 | 9 | 85 | 5 |
| 14 | 1 | 8 | 86 | 5 |
| 15 | 1 | 8 | 86 | 5 |
| 16 | 1 | 8 | 86 | 5 |
| 17 | 1 | 8 | 86 | 5 |
| 18 | 1 | 8 | 86 | 5 |
| 19 | 1 | 8 | 86 | 5 |
| 20 | 0 | 7 | 88 | 5 |
| 21 | 0 | 7 | 89 | 4 |
| 22 | 0 | 7 | 89 | 4 |
| 23 | 0 | 7 | 89 | 4 |
| 24 | 0 | 7 | 89 | 4 |
| 25 | 0 | 7 | 88 | 5 |
| 26 | 0 | 8 | 87 | 5 |
| 27 | 0 | 7 | 88 | 5 |
| 28 | 0 | 7 | 88 | 5 |
| 29 | 0 | 7 | 87 | 6 |
| 30 | 0 | 7 | 87 | 6 |
| 31 | 0 | 7 | 86 | 7 |
Wind in March
Winds average 24 km/h in March.
Across March, daily wind ranges from about 23 km/h on the calmest days to 26 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) | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Feels | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 26 | breezy |
| 2 | 25 | breezy |
| 3 | 25 | breezy |
| 4 | 25 | breezy |
| 5 | 25 | breezy |
| 6 | 25 | breezy |
| 7 | 25 | breezy |
| 8 | 25 | breezy |
| 9 | 25 | breezy |
| 10 | 25 | breezy |
| 11 | 25 | breezy |
| 12 | 25 | breezy |
| 13 | 25 | breezy |
| 14 | 24 | breezy |
| 15 | 24 | breezy |
| 16 | 24 | breezy |
| 17 | 24 | breezy |
| 18 | 24 | breezy |
| 19 | 24 | breezy |
| 20 | 24 | breezy |
| 21 | 24 | breezy |
| 22 | 23 | breezy |
| 23 | 23 | breezy |
| 24 | 23 | breezy |
| 25 | 23 | breezy |
| 26 | 23 | breezy |
| 27 | 23 | breezy |
| 28 | 23 | breezy |
| 29 | 23 | breezy |
| 30 | 23 | breezy |
| 31 | 23 | breezy |
Sunrise & sunset in March
Daylight runs from about 11 h 42 min at the start of March to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 24 minutes over March. Sunrise moves from 6:48 AM to 6:29 AM, and sunset from 6:32 PM to 6:35 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) | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 | 12.1 |
| Sunrise (AM) | 6:48 | 6:47 | 6:47 | 6:46 | 6:46 | 6:45 | 6:45 | 6:44 | 6:43 | 6:43 | 6:42 | 6:42 | 6:41 | 6:40 | 6:40 | 6:39 | 6:38 | 6:38 | 6:37 | 6:36 | 6:36 | 6:35 | 6:34 | 6:34 | 6:33 | 6:32 | 6:32 | 6:31 | 6:30 | 6:30 | 6:29 |
| Sunset (PM) | 6:32 | 6:32 | 6:32 | 6:33 | 6:33 | 6:33 | 6:33 | 6:33 | 6:33 | 6:33 | 6:33 | 6:34 | 6:34 | 6:34 | 6:34 | 6:34 | 6:34 | 6:34 | 6:34 | 6:34 | 6:34 | 6:34 | 6:34 | 6:34 | 6:34 | 6:34 | 6:34 | 6:34 | 6:34 | 6:35 | 6:35 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.7 | 6:48 | 6:32 |
| 2 | 11.7 | 6:47 | 6:32 |
| 3 | 11.8 | 6:47 | 6:32 |
| 4 | 11.8 | 6:46 | 6:33 |
| 5 | 11.8 | 6:46 | 6:33 |
| 6 | 11.8 | 6:45 | 6:33 |
| 7 | 11.8 | 6:45 | 6:33 |
| 8 | 11.8 | 6:44 | 6:33 |
| 9 | 11.8 | 6:43 | 6:33 |
| 10 | 11.8 | 6:43 | 6:33 |
| 11 | 11.9 | 6:42 | 6:33 |
| 12 | 11.9 | 6:42 | 6:34 |
| 13 | 11.9 | 6:41 | 6:34 |
| 14 | 11.9 | 6:40 | 6:34 |
| 15 | 11.9 | 6:40 | 6:34 |
| 16 | 11.9 | 6:39 | 6:34 |
| 17 | 11.9 | 6:38 | 6:34 |
| 18 | 11.9 | 6:38 | 6:34 |
| 19 | 11.9 | 6:37 | 6:34 |
| 20 | 12.0 | 6:36 | 6:34 |
| 21 | 12.0 | 6:36 | 6:34 |
| 22 | 12.0 | 6:35 | 6:34 |
| 23 | 12.0 | 6:34 | 6:34 |
| 24 | 12.0 | 6:34 | 6:34 |
| 25 | 12.0 | 6:33 | 6:34 |
| 26 | 12.0 | 6:32 | 6:34 |
| 27 | 12.0 | 6:32 | 6:34 |
| 28 | 12.1 | 6:31 | 6:34 |
| 29 | 12.1 | 6:30 | 6:34 |
| 30 | 12.1 | 6:30 | 6:35 |
| 31 | 12.1 | 6:29 | 6:35 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 6.43 kWh/m².
For context, solar energy here swings from a low near 4.46 kWh/m² to a high of 6.63 kWh/m² in April across the year — March's 6.43 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 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.1 | Intense |
| 2 | 6.1 | Intense |
| 3 | 6.2 | Intense |
| 4 | 6.2 | Intense |
| 5 | 6.2 | Intense |
| 6 | 6.2 | Intense |
| 7 | 6.2 | Intense |
| 8 | 6.3 | Intense |
| 9 | 6.3 | Intense |
| 10 | 6.3 | Intense |
| 11 | 6.3 | Intense |
| 12 | 6.3 | Intense |
| 13 | 6.4 | Intense |
| 14 | 6.4 | Intense |
| 15 | 6.4 | Intense |
| 16 | 6.4 | Intense |
| 17 | 6.4 | Intense |
| 18 | 6.5 | Intense |
| 19 | 6.5 | Intense |
| 20 | 6.5 | Intense |
| 21 | 6.5 | Intense |
| 22 | 6.5 | Intense |
| 23 | 6.6 | Intense |
| 24 | 6.6 | Intense |
| 25 | 6.6 | Intense |
| 26 | 6.6 | Intense |
| 27 | 6.6 | Intense |
| 28 | 6.6 | Intense |
| 29 | 6.6 | Intense |
| 30 | 6.7 | Intense |
| 31 | 6.7 | Intense |
Hazard calendar for San Andrés
None of San Andrés's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
San Andrés sits in the Atlantic hurricane belt; the season peaks August–October.
San Andrés's rainy season runs May–November, when most of the year's rain falls.
Is March a good time to visit San Andrés?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is one of the better times to visit San Andrés for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for San Andrés in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, San Andrés sees daytime highs around 27°C and nights near 26°C. Pack sun protection. Worth having: light clothes and a windbreaker. About 7 days see rain.
Sea temperature near San Andrés in March
The nearest coast averages about 27°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in September at about 29°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 | 27 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 28 | Warm |
| May | 28 | Tropical |
| Jun | 28 | Tropical |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 28 | Warm |
UV index in San Andrés in March
Clear-sky midday UV in March peaks around 13 (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 Andrés peaks around April 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 9 (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 | 12 | 13 | 13 | 12 | 13 | 11 | 12 | 12 | 11 | 10 | 9 |
| 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 | 12 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 10 | Very high |
| Dec | 9 | Very high |
Air quality in San Andrés in March
Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.
Air quality in San Andrés is worst in July — around 35 µg/m³ PM2.5 (moderate), about 4.4× the cleanest month (November, 8 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) | 10 | 12 | 11 | 15 | 24 | 31 | 35 | 26 | 16 | 11 | 8 | 11 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 12 | Good |
| Mar | 11 | Good |
| Apr | 15 | Moderate |
| May | 24 | Moderate |
| Jun | 31 | Moderate |
| Jul | 35 | Moderate |
| Aug | 26 | Moderate |
| Sep | 16 | Moderate |
| Oct | 11 | Good |
| Nov | 8 | Good |
| Dec | 11 | Good |
Where is San Andrés?
San Andrés sits at 12.6°N, 81.7°W, in Colombia. The nearest listed city is Pearl Lagoon, 216 km away.
Topography around San Andrés
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Andrés.
Within 3 km, the terrain around San Andrés has only modest variations in elevation — a maximum elevation change of 91 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 91 m; within 80 km, only modest variations in elevation — a maximum elevation change of 86 m.
The land around San Andrés is covered by water (70%) within 3 km, water (97%) within 16 km, and water (100%) 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 Andrés (12.5786°, -81.6997°), 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).