Santiago de Tolú weather in March
In March, Santiago de Tolú sees average daytime highs of 32°C and overnight lows near 25°C, with 66 mm of rain across 15.5 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 10th-wettest month of the year here.
Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 28% of the time in March, and the air most often feels oppressive.
Daylight stretches from about 11 h 48 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Santiago de Tolú's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Santiago de Tolú's year-round climate.
- Daytime high
- 32°
- 2nd warmest
- Overnight low
- 25°
- 12th coldest
- Rainfall
- 66 mm
- 15.5 wet days
- Daylight
- 11 h 54 min
- 6:14 AM – 6:10 PM
- Cloud cover
- 60%
- 3rd clearest
- Wind
- 9 km/h
- 2nd windiest
- Solar energy
- 5.9 kWh/m²
- Travel score
- 3.5
- out of 10
Temperature in March
Day-to-day highs hold fairly steady near 32°C through the month.
A typical March day in Santiago de Tolú reaches about 32°C in the afternoon and slips back to 25°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°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) | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| 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 | 32 | 25 |
| 2 | 32 | 25 |
| 3 | 32 | 25 |
| 4 | 32 | 25 |
| 5 | 32 | 25 |
| 6 | 32 | 25 |
| 7 | 32 | 25 |
| 8 | 32 | 25 |
| 9 | 32 | 25 |
| 10 | 32 | 25 |
| 11 | 32 | 25 |
| 12 | 32 | 25 |
| 13 | 32 | 25 |
| 14 | 32 | 25 |
| 15 | 32 | 25 |
| 16 | 32 | 25 |
| 17 | 32 | 25 |
| 18 | 32 | 25 |
| 19 | 32 | 25 |
| 20 | 32 | 25 |
| 21 | 32 | 25 |
| 22 | 32 | 25 |
| 23 | 32 | 25 |
| 24 | 32 | 25 |
| 25 | 32 | 25 |
| 26 | 32 | 25 |
| 27 | 32 | 25 |
| 28 | 32 | 25 |
| 29 | 32 | 25 |
| 30 | 32 | 25 |
| 31 | 32 | 25 |
How March really feels in Santiago de Tolú
Once humidity and wind are folded in, March 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 March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Santiago de Tolú weather by month
How March compares with the rest of the year at a glance. March is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 32° / 24° | 27 | 7.8 | 11.5 | 4.6 |
| Feb | 32° / 25° | 31 | 7.8 | 11.7 | 4.2 |
| Mar | 32° / 25° | 66 | 15.5 | 11.9 | 3.5 |
| Apr | 31° / 25° | 167 | 25.6 | 12.2 | 2.7 |
| May | 31° / 25° | 263 | 29.5 | 12.4 | 2.4 |
| Jun | 31° / 25° | 249 | 28.1 | 12.5 | 2.4 |
| Jul | 31° / 25° | 228 | 28 | 12.5 | 2.5 |
| Aug | 31° / 25° | 239 | 29 | 12.3 | 2.5 |
| Sep | 30° / 24° | 240 | 29.1 | 12.1 | 2.5 |
| Oct | 30° / 24° | 240 | 29.8 | 11.8 | 2.6 |
| Nov | 30° / 24° | 180 | 27.2 | 11.6 | 2.8 |
| Dec | 31° / 24° | 87 | 18 | 11.5 | 3.7 |
Cloud cover in March
The sky is clear or mostly clear about 28% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 21% of March, with mostly cloudy or overcast conditions the remaining 51%. 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 (%) | 65 | 63 | 63 | 61 | 61 | 59 | 58 | 57 | 56 | 55 | 53 | 52 | 52 | 51 | 49 | 49 | 48 | 47 | 46 | 45 | 44 | 44 | 42 | 42 | 41 | 40 | 39 | 38 | 37 | 36 | 35 |
| Cloudier (%) | 35 | 37 | 37 | 39 | 39 | 41 | 42 | 43 | 44 | 45 | 47 | 48 | 48 | 49 | 51 | 51 | 52 | 53 | 54 | 55 | 56 | 56 | 58 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 65 | 35 |
| 2 | 63 | 37 |
| 3 | 63 | 37 |
| 4 | 61 | 39 |
| 5 | 61 | 39 |
| 6 | 59 | 41 |
| 7 | 58 | 42 |
| 8 | 57 | 43 |
| 9 | 56 | 44 |
| 10 | 55 | 45 |
| 11 | 53 | 47 |
| 12 | 52 | 48 |
| 13 | 52 | 48 |
| 14 | 51 | 49 |
| 15 | 49 | 51 |
| 16 | 49 | 51 |
| 17 | 48 | 52 |
| 18 | 47 | 53 |
| 19 | 46 | 54 |
| 20 | 45 | 55 |
| 21 | 44 | 56 |
| 22 | 44 | 56 |
| 23 | 42 | 58 |
| 24 | 42 | 58 |
| 25 | 41 | 59 |
| 26 | 40 | 60 |
| 27 | 39 | 61 |
| 28 | 38 | 62 |
| 29 | 37 | 63 |
| 30 | 36 | 64 |
| 31 | 35 | 65 |
Chance of precipitation in March
Santiago de Tolú gets around 66 mm of rain over 15.5 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 51% and peaks near 64% 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 (%) | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 48 | 49 | 50 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 60 | 61 | 61 | 62 | 63 | 63 | 64 |
| Rain chance (%) | |
|---|---|
| 1 | 35 |
| 2 | 36 |
| 3 | 37 |
| 4 | 38 |
| 5 | 39 |
| 6 | 40 |
| 7 | 41 |
| 8 | 42 |
| 9 | 43 |
| 10 | 44 |
| 11 | 45 |
| 12 | 46 |
| 13 | 48 |
| 14 | 49 |
| 15 | 50 |
| 16 | 52 |
| 17 | 53 |
| 18 | 54 |
| 19 | 55 |
| 20 | 56 |
| 21 | 57 |
| 22 | 58 |
| 23 | 59 |
| 24 | 60 |
| 25 | 60 |
| 26 | 61 |
| 27 | 61 |
| 28 | 62 |
| 29 | 63 |
| 30 | 63 |
| 31 | 64 |
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 55% 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 (%) | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 |
| Oppressive (%) | 63 | 63 | 63 | 63 | 63 | 63 | 62 | 63 | 63 | 62 | 63 | 62 | 62 | 62 | 61 | 59 | 58 | 56 | 55 | 53 | 51 | 50 | 48 | 47 | 45 | 43 | 41 | 39 | 37 | 36 | 34 |
| Miserable (%) | 31 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 34 | 34 | 35 | 35 | 36 | 37 | 39 | 40 | 42 | 43 | 45 | 47 | 49 | 50 | 51 | 53 | 56 | 58 | 60 | 62 | 63 | 65 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 6 | 63 | 31 |
| 2 | 5 | 63 | 32 |
| 3 | 5 | 63 | 32 |
| 4 | 5 | 63 | 32 |
| 5 | 5 | 63 | 32 |
| 6 | 5 | 63 | 32 |
| 7 | 5 | 62 | 33 |
| 8 | 4 | 63 | 33 |
| 9 | 4 | 63 | 33 |
| 10 | 4 | 62 | 34 |
| 11 | 3 | 63 | 34 |
| 12 | 3 | 62 | 35 |
| 13 | 3 | 62 | 35 |
| 14 | 2 | 62 | 36 |
| 15 | 2 | 61 | 37 |
| 16 | 2 | 59 | 39 |
| 17 | 2 | 58 | 40 |
| 18 | 2 | 56 | 42 |
| 19 | 2 | 55 | 43 |
| 20 | 2 | 53 | 45 |
| 21 | 2 | 51 | 47 |
| 22 | 2 | 50 | 49 |
| 23 | 2 | 48 | 50 |
| 24 | 2 | 47 | 51 |
| 25 | 2 | 45 | 53 |
| 26 | 1 | 43 | 56 |
| 27 | 1 | 41 | 58 |
| 28 | 1 | 39 | 60 |
| 29 | 1 | 37 | 62 |
| 30 | 1 | 36 | 63 |
| 31 | 1 | 34 | 65 |
Wind in March
Winds average 9 km/h in March.
Across March, daily wind ranges from about 8 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 | 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 | 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 | 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 March
Daylight runs from about 11 h 48 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 18 minutes over March. Sunrise moves from 6:21 AM to 6:05 AM, and sunset from 6:10 PM to 6:09 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) | 11.8 | 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 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 |
| Sunrise (AM) | 6:21 | 6:21 | 6:21 | 6:20 | 6:20 | 6:19 | 6:19 | 6:18 | 6:18 | 6:17 | 6:17 | 6:16 | 6:16 | 6:15 | 6:14 | 6:14 | 6:13 | 6:13 | 6:12 | 6:12 | 6:11 | 6:11 | 6:10 | 6:09 | 6:09 | 6:08 | 6:08 | 6:07 | 6:06 | 6:06 | 6:05 |
| Sunset (PM) | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:09 | 6:09 | 6:09 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.8 | 6:21 | 6:10 |
| 2 | 11.8 | 6:21 | 6:10 |
| 3 | 11.8 | 6:21 | 6:10 |
| 4 | 11.8 | 6:20 | 6:10 |
| 5 | 11.8 | 6:20 | 6:10 |
| 6 | 11.8 | 6:19 | 6:10 |
| 7 | 11.9 | 6:19 | 6:10 |
| 8 | 11.9 | 6:18 | 6:10 |
| 9 | 11.9 | 6:18 | 6:10 |
| 10 | 11.9 | 6:17 | 6:10 |
| 11 | 11.9 | 6:17 | 6:10 |
| 12 | 11.9 | 6:16 | 6:10 |
| 13 | 11.9 | 6:16 | 6:10 |
| 14 | 11.9 | 6:15 | 6:10 |
| 15 | 11.9 | 6:14 | 6:10 |
| 16 | 11.9 | 6:14 | 6:10 |
| 17 | 11.9 | 6:13 | 6:10 |
| 18 | 12.0 | 6:13 | 6:10 |
| 19 | 12.0 | 6:12 | 6:10 |
| 20 | 12.0 | 6:12 | 6:10 |
| 21 | 12.0 | 6:11 | 6:10 |
| 22 | 12.0 | 6:11 | 6:10 |
| 23 | 12.0 | 6:10 | 6:10 |
| 24 | 12.0 | 6:09 | 6:10 |
| 25 | 12.0 | 6:09 | 6:10 |
| 26 | 12.0 | 6:08 | 6:10 |
| 27 | 12.0 | 6:08 | 6:10 |
| 28 | 12.0 | 6:07 | 6:10 |
| 29 | 12.1 | 6:06 | 6:09 |
| 30 | 12.1 | 6:06 | 6:09 |
| 31 | 12.1 | 6:05 | 6:09 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 5.9 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 4.49 kWh/m² to a high of 5.9 kWh/m² in March across the year — March's 5.9 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) | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.7 |
| 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 | 6.0 | Bright |
| 2 | 6.0 | Bright |
| 3 | 6.0 | Bright |
| 4 | 6.0 | Bright |
| 5 | 6.0 | Bright |
| 6 | 6.0 | Bright |
| 7 | 6.0 | Bright |
| 8 | 6.0 | Bright |
| 9 | 5.9 | Bright |
| 10 | 5.9 | Bright |
| 11 | 5.9 | Bright |
| 12 | 5.9 | Bright |
| 13 | 5.9 | Bright |
| 14 | 5.9 | Bright |
| 15 | 5.9 | Bright |
| 16 | 5.9 | Bright |
| 17 | 5.9 | Bright |
| 18 | 5.9 | Bright |
| 19 | 5.9 | Bright |
| 20 | 5.9 | Bright |
| 21 | 5.9 | 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 |
| 29 | 5.8 | Bright |
| 30 | 5.8 | Bright |
| 31 | 5.7 | Bright |
Is March a good time to visit Santiago de Tolú?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is a weaker month for outdoor sightseeing in Santiago de Tolú.
What to pack for Santiago de Tolú in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Santiago de Tolú sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.
Sea temperature near Santiago de Tolú in March
The nearest coast averages about 28°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 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 Santiago de Tolú in March
Clear-sky midday UV in March 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 Santiago de Tolú 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 Santiago de Tolú 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 Santiago de Tolú 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 Santiago de Tolú?
Santiago de Tolú sits at 9.5°N, 75.6°W, 10 m above sea level, in Colombia. The nearest listed city is Tolú Viejo, 18 km away.
Topography around Santiago de Tolú
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santiago de Tolú.
Within 3 km, the terrain around Santiago de Tolú has only modest variations in elevation — a maximum elevation change of 19 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 156 m; within 80 km, large variations in elevation — a maximum elevation change of 810 m.
The land around Santiago de Tolú is covered by grassland (44%) and water (42%) within 3 km, grassland (43%) and water (43%) within 16 km, and grassland (47%), water (28%) and trees (20%) 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 Santiago de Tolú (9.5239°, -75.5814°, elevation 10 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).