Climate averages 1991–2020
Santa Marta weather
in May.
A hot, wet month: the joint 4th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Santa Marta: daytime highs average 28.1°C and nights cool to about 25.3°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 128 mm of rain on roughly 11 days, which makes May a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 38 min on an average May day.
The nearest other city in this atlas is Ciénaga (26 km away). In May its highs average 29.1°C, 1.0°C warmer than Santa Marta, with 305 mm of rain.
Among the 46 cities listed in Colombia, Santa Marta ranks 22nd of 46 for the warmest May highs and 6th of 46 for the driest May (rainfall, lowest first). The mean May high of those 46 cities is 25.9°C; Santa Marta is 2.2°C warmer than that mean.
From May to June, average highs rise by 0.3°C to 28.4°C, and monthly rainfall falls from 128 mm to 95 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Santa Marta climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.9°C24.3°C | 24.3°C | 3.8 | 0.3 | 11.512 h |
| February | 27.0°C24.3°C | 24.3°C | 2.8 | 0.6 | 11.812 h |
| March | 27.2°C24.5°C | 24.5°C | 5.4 | 1.1 | 12.112 h |
| April | 27.7°C25.1°C | 25.1°C | 33 | 3.3 | 12.412 h |
| May, selected | 28.1°C25.3°C | 25.3°C | 128 | 10.9 | 12.613 h |
| June | 28.4°C25.6°C | 25.6°C | 95 | 11.1 | 12.813 h |
| July | 28.1°C25.6°C | 25.6°C | 78 | 8.4 | 12.713 h |
| August | 28.3°C25.6°C | 25.6°C | 84 | 11.9 | 12.512 h |
| September | 28.3°C25.2°C | 25.2°C | 140 | 16.4 | 12.212 h |
| October | 27.9°C24.8°C | 24.8°C | 199 | 19.8 | 11.912 h |
| November | 27.5°C25.0°C | 25.0°C | 129 | 12.1 | 11.612 h |
| December | 27.2°C24.9°C | 24.9°C | 22 | 2.7 | 11.511 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Ciénaga in MayColombia · 26 kmHigh 29.1°C · Low 24.7°C · 305 mm rain
- Barranquilla in MayColombia · 71 kmHigh 29.2°C · Low 26.0°C · 166 mm rain
- Soledad in MayColombia · 72 kmHigh 29.9°C · Low 25.8°C · 166 mm rain
- Sabanalarga in MayColombia · 104 kmHigh 30.5°C · Low 24.8°C · 208 mm rain
- Valledupar in MayColombia · 134 kmHigh 27.3°C · Low 22.8°C · 336 mm rain
- Riohacha in MayColombia · 144 kmHigh 31.4°C · Low 25.2°C · 139 mm rain
- Cartagena in MayColombia · 170 kmHigh 30.3°C · Low 25.2°C · 181 mm rain
- Maicao in MayColombia · 214 kmHigh 31.5°C · Low 25.2°C · 108 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Santa Marta) is explained once on the Santa Marta year overview and on the Sources, method and limits page.