Climate averages 1991–2020
Riohacha weather
in May.
A hot, wet month: the joint 5th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Riohacha: daytime highs average 31.4°C and nights cool to about 25.2°C. By daytime temperature it is the joint 5th warmest of the 12 months.
Expect about 139 mm of rain on roughly 18 days, which makes May a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 39 min on an average May day.
The nearest other city in this atlas is Maicao (75 km away). In May its highs average 31.5°C, about as warm as Riohacha, with 108 mm of rain.
Among the 46 cities listed in Colombia, Riohacha ranks 2nd of 46 for the warmest May highs and 9th of 46 for the driest May (rainfall, lowest first). The mean May high of those 46 cities is 25.9°C; Riohacha is 5.5°C warmer than that mean.
From May to June, average highs rise by 0.6°C to 32.0°C, and monthly rainfall falls from 139 mm to 81 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
Riohacha climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.3°C23.7°C | 23.7°C | 13 | 3.7 | 11.512 h |
| February | 30.9°C23.9°C | 23.9°C | 10 | 2.4 | 11.812 h |
| March | 31.4°C24.2°C | 24.2°C | 17 | 4.2 | 12.112 h |
| April | 31.6°C24.9°C | 24.9°C | 48 | 9.5 | 12.412 h |
| May, selected | 31.4°C25.2°C | 25.2°C | 139 | 17.5 | 12.613 h |
| June | 32.0°C25.5°C | 25.5°C | 81 | 12.4 | 12.813 h |
| July | 32.8°C25.5°C | 25.5°C | 49 | 8.7 | 12.713 h |
| August | 32.7°C25.4°C | 25.4°C | 97 | 15.6 | 12.513 h |
| September | 31.2°C24.8°C | 24.8°C | 165 | 22.4 | 12.212 h |
| October | 29.9°C24.3°C | 24.3°C | 189 | 25.4 | 11.912 h |
| November | 29.4°C24.2°C | 24.2°C | 127 | 19.8 | 11.612 h |
| December | 29.7°C24.0°C | 24.0°C | 45 | 9.9 | 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
- Maicao in MayColombia · 75 kmHigh 31.5°C · Low 25.2°C · 108 mm rain
- Valledupar in MayColombia · 126 kmHigh 27.3°C · Low 22.8°C · 336 mm rain
- Santa Marta in MayColombia · 144 kmHigh 28.1°C · Low 25.3°C · 128 mm rain
- La Villa del Rosario in MayVenezuela · 150 kmHigh 32.0°C · Low 24.5°C · 135 mm rain
- La Concepción in MayVenezuela · 156 kmHigh 31.4°C · Low 25.4°C · 122 mm rain
- Ciénaga in MayColombia · 158 kmHigh 29.1°C · Low 24.7°C · 305 mm rain
- Machiques in MayVenezuela · 169 kmHigh 31.6°C · Low 24.5°C · 155 mm rain
- Maracaibo in MayVenezuela · 173 kmHigh 31.6°C · Low 25.9°C · 150 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 Riohacha) is explained once on the Riohacha year overview and on the Sources, method and limits page.