Climate averages 1991–2020
Riohacha weather
in December.
A hot, moderately wet month: the 11th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Riohacha: daytime highs average 29.7°C and nights cool to about 24.0°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 45 mm of rain on roughly 10 days, which makes December a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 28 min on an average December day.
The nearest other city in this atlas is Maicao (75 km away). In December its highs average 29.5°C, about as warm as Riohacha, with 40 mm of rain.
Among the 46 cities listed in Colombia, Riohacha ranks 8th of 46 for the warmest December highs and 6th of 46 for the driest December (rainfall, lowest first). The mean December high of those 46 cities is 25.7°C; Riohacha is 4.0°C warmer than that mean.
From December to January, average highs rise by 0.6°C to 30.3°C, and monthly rainfall falls from 45 mm to 13 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Maicao in DecemberColombia · 75 kmHigh 29.5°C · Low 23.9°C · 40 mm rain
- Valledupar in DecemberColombia · 126 kmHigh 27.2°C · Low 20.9°C · 90 mm rain
- Santa Marta in DecemberColombia · 144 kmHigh 27.2°C · Low 24.9°C · 22 mm rain
- La Villa del Rosario in DecemberVenezuela · 150 kmHigh 31.5°C · Low 23.3°C · 30 mm rain
- La Concepción in DecemberVenezuela · 156 kmHigh 30.6°C · Low 24.1°C · 27 mm rain
- Ciénaga in DecemberColombia · 158 kmHigh 28.8°C · Low 24.8°C · 87 mm rain
- Machiques in DecemberVenezuela · 169 kmHigh 31.1°C · Low 22.7°C · 32 mm rain
- Maracaibo in DecemberVenezuela · 173 kmHigh 31.0°C · Low 24.5°C · 29 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.