San Andrés weather in May
In May, San Andrés sees average daytime highs of 28°C and overnight lows near 26°C, with 145 mm of rain across 19.1 wet days and about 12.6 hours of daylight. It is the 6th-warmest and 7th-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 21% of the time in May, and the air most often feels miserable.
Daylight stretches from about 12 h 24 min at the start of May to 12 h 42 min by month's end. Set against the rest of the year, May is San Andrés's 7th-clearest and 9th-windiest month. For the whole year in context, see San Andrés's year-round climate.
- Daytime high
- 28°
- 6th warmest
- Overnight low
- 26°
- 12th coldest
- Rainfall
- 145 mm
- 19.1 wet days
- Daylight
- 12 h 36 min
- 6:06 AM – 6:40 PM
- Cloud cover
- 69%
- 7th clearest
- Wind
- 21 km/h
- 9th windiest
- Solar energy
- 5.83 kWh/m²
- Travel score
- 5.0
- out of 10
Temperature in May
Day-to-day highs hold fairly steady near 28°C through the month.
A typical May day in San Andrés reaches about 28°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 27°C and 28°C. Set against its neighbours, May runs on par with April and on par with 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) | 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 May really feels in San Andrés
Once humidity and wind are folded in, May averages 5 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 May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
San Andrés weather by month
How May compares with the rest of the year at a glance. May is the 6th-warmest and 7th-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 May
The sky is clear or mostly clear about 21% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 64%. 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 (%) | 53 | 52 | 51 | 50 | 49 | 47 | 47 | 44 | 44 | 41 | 39 | 38 | 36 | 34 | 33 | 32 | 30 | 30 | 30 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 29 | 29 | 29 |
| Cloudier (%) | 47 | 48 | 49 | 50 | 51 | 53 | 53 | 56 | 56 | 59 | 61 | 62 | 64 | 66 | 67 | 68 | 70 | 70 | 70 | 72 | 72 | 72 | 72 | 72 | 73 | 73 | 72 | 72 | 71 | 71 | 71 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 53 | 47 |
| 2 | 52 | 48 |
| 3 | 51 | 49 |
| 4 | 50 | 50 |
| 5 | 49 | 51 |
| 6 | 47 | 53 |
| 7 | 47 | 53 |
| 8 | 44 | 56 |
| 9 | 44 | 56 |
| 10 | 41 | 59 |
| 11 | 39 | 61 |
| 12 | 38 | 62 |
| 13 | 36 | 64 |
| 14 | 34 | 66 |
| 15 | 33 | 67 |
| 16 | 32 | 68 |
| 17 | 30 | 70 |
| 18 | 30 | 70 |
| 19 | 30 | 70 |
| 20 | 28 | 72 |
| 21 | 28 | 72 |
| 22 | 28 | 72 |
| 23 | 28 | 72 |
| 24 | 28 | 72 |
| 25 | 27 | 73 |
| 26 | 27 | 73 |
| 27 | 28 | 72 |
| 28 | 28 | 72 |
| 29 | 29 | 71 |
| 30 | 29 | 71 |
| 31 | 29 | 71 |
Chance of precipitation in May
San Andrés gets around 145 mm of rain over 19.1 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 62% and peaks near 79% 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 (%) | 38 | 40 | 41 | 42 | 43 | 45 | 46 | 48 | 50 | 52 | 54 | 56 | 58 | 60 | 62 | 64 | 66 | 68 | 69 | 70 | 72 | 73 | 74 | 75 | 76 | 77 | 77 | 78 | 78 | 79 | 79 |
| Rain chance (%) | |
|---|---|
| 1 | 38 |
| 2 | 40 |
| 3 | 41 |
| 4 | 42 |
| 5 | 43 |
| 6 | 45 |
| 7 | 46 |
| 8 | 48 |
| 9 | 50 |
| 10 | 52 |
| 11 | 54 |
| 12 | 56 |
| 13 | 58 |
| 14 | 60 |
| 15 | 62 |
| 16 | 64 |
| 17 | 66 |
| 18 | 68 |
| 19 | 69 |
| 20 | 70 |
| 21 | 72 |
| 22 | 73 |
| 23 | 74 |
| 24 | 75 |
| 25 | 76 |
| 26 | 77 |
| 27 | 77 |
| 28 | 78 |
| 29 | 78 |
| 30 | 79 |
| 31 | 79 |
Humidity in May
Most of May feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the miserable band about 60% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 2 | 2 | 2 | 2 | 2 | 2 | 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 |
| Oppressive (%) | 53 | 51 | 50 | 48 | 47 | 45 | 44 | 43 | 42 | 42 | 41 | 40 | 39 | 39 | 38 | 38 | 38 | 38 | 38 | 37 | 37 | 36 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 28 |
| Miserable (%) | 45 | 47 | 49 | 50 | 51 | 53 | 55 | 56 | 57 | 57 | 58 | 59 | 60 | 60 | 61 | 61 | 61 | 61 | 61 | 62 | 62 | 63 | 63 | 64 | 66 | 67 | 68 | 69 | 70 | 71 | 72 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 2 | 53 | 45 |
| 2 | 2 | 51 | 47 |
| 3 | 2 | 50 | 49 |
| 4 | 2 | 48 | 50 |
| 5 | 2 | 47 | 51 |
| 6 | 2 | 45 | 53 |
| 7 | 1 | 44 | 55 |
| 8 | 1 | 43 | 56 |
| 9 | 1 | 42 | 57 |
| 10 | 1 | 42 | 57 |
| 11 | 1 | 41 | 58 |
| 12 | 1 | 40 | 59 |
| 13 | 1 | 39 | 60 |
| 14 | 1 | 39 | 60 |
| 15 | 1 | 38 | 61 |
| 16 | 1 | 38 | 61 |
| 17 | 1 | 38 | 61 |
| 18 | 1 | 38 | 61 |
| 19 | 1 | 38 | 61 |
| 20 | 1 | 37 | 62 |
| 21 | 1 | 37 | 62 |
| 22 | 1 | 36 | 63 |
| 23 | 1 | 36 | 63 |
| 24 | 1 | 35 | 64 |
| 25 | 0 | 34 | 66 |
| 26 | 0 | 33 | 67 |
| 27 | 0 | 32 | 68 |
| 28 | 0 | 31 | 69 |
| 29 | 0 | 30 | 70 |
| 30 | 0 | 29 | 71 |
| 31 | 0 | 28 | 72 |
Wind in May
Winds average 21 km/h in May.
Across May, daily wind ranges from about 19 km/h on the calmest days to 22 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) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 |
| Feels | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 22 | breezy |
| 2 | 22 | breezy |
| 3 | 22 | breezy |
| 4 | 22 | breezy |
| 5 | 22 | breezy |
| 6 | 22 | breezy |
| 7 | 22 | breezy |
| 8 | 22 | breezy |
| 9 | 22 | breezy |
| 10 | 22 | breezy |
| 11 | 22 | breezy |
| 12 | 22 | breezy |
| 13 | 22 | breezy |
| 14 | 21 | breezy |
| 15 | 21 | breezy |
| 16 | 21 | breezy |
| 17 | 21 | breezy |
| 18 | 20 | breezy |
| 19 | 20 | breezy |
| 20 | 20 | light breeze |
| 21 | 20 | light breeze |
| 22 | 20 | light breeze |
| 23 | 20 | light breeze |
| 24 | 19 | light breeze |
| 25 | 19 | light breeze |
| 26 | 19 | light breeze |
| 27 | 19 | light breeze |
| 28 | 19 | light breeze |
| 29 | 19 | light breeze |
| 30 | 20 | light breeze |
| 31 | 20 | light breeze |
Sunrise & sunset in May
Daylight runs from about 12 h 24 min at the start of May to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 18 minutes over May. Sunrise moves from 6:11 AM to 6:04 AM, and sunset from 6:37 PM to 6:45 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 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 |
| Sunrise (AM) | 6:11 | 6:10 | 6:10 | 6:10 | 6:09 | 6:09 | 6:08 | 6:08 | 6:08 | 6:07 | 6:07 | 6:07 | 6:06 | 6:06 | 6:06 | 6:06 | 6:05 | 6:05 | 6:05 | 6:05 | 6:05 | 6:05 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 |
| Sunset (PM) | 6:37 | 6:37 | 6:38 | 6:38 | 6:38 | 6:38 | 6:38 | 6:39 | 6:39 | 6:39 | 6:39 | 6:39 | 6:40 | 6:40 | 6:40 | 6:40 | 6:41 | 6:41 | 6:41 | 6:41 | 6:42 | 6:42 | 6:42 | 6:43 | 6:43 | 6:43 | 6:43 | 6:44 | 6:44 | 6:44 | 6:45 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.4 | 6:11 | 6:37 |
| 2 | 12.5 | 6:10 | 6:37 |
| 3 | 12.5 | 6:10 | 6:38 |
| 4 | 12.5 | 6:10 | 6:38 |
| 5 | 12.5 | 6:09 | 6:38 |
| 6 | 12.5 | 6:09 | 6:38 |
| 7 | 12.5 | 6:08 | 6:38 |
| 8 | 12.5 | 6:08 | 6:39 |
| 9 | 12.5 | 6:08 | 6:39 |
| 10 | 12.5 | 6:07 | 6:39 |
| 11 | 12.5 | 6:07 | 6:39 |
| 12 | 12.5 | 6:07 | 6:39 |
| 13 | 12.6 | 6:06 | 6:40 |
| 14 | 12.6 | 6:06 | 6:40 |
| 15 | 12.6 | 6:06 | 6:40 |
| 16 | 12.6 | 6:06 | 6:40 |
| 17 | 12.6 | 6:05 | 6:41 |
| 18 | 12.6 | 6:05 | 6:41 |
| 19 | 12.6 | 6:05 | 6:41 |
| 20 | 12.6 | 6:05 | 6:41 |
| 21 | 12.6 | 6:05 | 6:42 |
| 22 | 12.6 | 6:05 | 6:42 |
| 23 | 12.6 | 6:04 | 6:42 |
| 24 | 12.6 | 6:04 | 6:43 |
| 25 | 12.6 | 6:04 | 6:43 |
| 26 | 12.7 | 6:04 | 6:43 |
| 27 | 12.7 | 6:04 | 6:43 |
| 28 | 12.7 | 6:04 | 6:44 |
| 29 | 12.7 | 6:04 | 6:44 |
| 30 | 12.7 | 6:04 | 6:44 |
| 31 | 12.7 | 6:04 | 6:45 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.83 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 — May's 5.83 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) | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.0 | 6.0 | 5.9 | 5.9 | 5.8 | 5.8 | 5.7 | 5.7 | 5.6 | 5.6 | 5.6 | 5.6 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | 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 | 6.4 | Intense |
| 2 | 6.4 | Intense |
| 3 | 6.3 | Intense |
| 4 | 6.3 | Intense |
| 5 | 6.3 | Intense |
| 6 | 6.2 | Intense |
| 7 | 6.2 | Intense |
| 8 | 6.2 | Intense |
| 9 | 6.1 | Intense |
| 10 | 6.1 | Intense |
| 11 | 6.0 | Intense |
| 12 | 6.0 | Bright |
| 13 | 5.9 | Bright |
| 14 | 5.9 | Bright |
| 15 | 5.8 | Bright |
| 16 | 5.8 | Bright |
| 17 | 5.7 | Bright |
| 18 | 5.7 | Bright |
| 19 | 5.6 | Bright |
| 20 | 5.6 | Bright |
| 21 | 5.6 | Bright |
| 22 | 5.6 | Bright |
| 23 | 5.5 | Bright |
| 24 | 5.5 | Bright |
| 25 | 5.5 | Bright |
| 26 | 5.5 | Bright |
| 27 | 5.5 | Bright |
| 28 | 5.5 | Bright |
| 29 | 5.5 | Bright |
| 30 | 5.5 | Bright |
| 31 | 5.5 | Bright |
Hazard calendar for San Andrés
In May, San Andrés sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
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 May a good time to visit San Andrés?
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 Andrés for sightseeing.
What to pack for San Andrés in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, San Andrés sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection and a windbreaker. About 19 days see rain.
Sea temperature near San Andrés in May
The nearest coast averages about 28°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 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 May
Clear-sky midday UV in May 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 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 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 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).