Climate averages 1991–2020
Tumaco weather
in December.
A warm, very wet month: the joint 10th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Tumaco: daytime highs average 26.3°C and nights cool to about 24.0°C. By daytime temperature it is the joint 10th warmest of the 12 months.
Expect about 313 mm of rain on roughly 26 days, which makes December a very wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 01 min on an average December day.
The nearest other city in this atlas is Esmeraldas (133 km away). In December its highs average 27.7°C, 1.4°C warmer than Tumaco, with 138 mm of rain.
Among the 46 cities listed in Colombia, Tumaco ranks 27th of 46 for the warmest December highs and 43rd of 46 for the driest December (rainfall, lowest first). The mean December high of those 46 cities is 25.7°C; Tumaco is 0.6°C warmer than that mean.
From December to January, average highs rise by 0.2°C to 26.5°C, and monthly rainfall rises from 313 mm to 461 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
Tumaco climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.5°C23.9°C | 23.9°C | 461 | 28.7 | 12.012 h |
| February | 27.0°C24.0°C | 24.0°C | 330 | 24.1 | 12.112 h |
| March | 27.2°C24.3°C | 24.3°C | 293 | 23.9 | 12.112 h |
| April | 27.4°C24.4°C | 24.4°C | 379 | 25.6 | 12.212 h |
| May | 27.3°C24.4°C | 24.4°C | 404 | 28.4 | 12.212 h |
| June | 27.0°C24.2°C | 24.2°C | 288 | 27.0 | 12.212 h |
| July | 26.7°C24.0°C | 24.0°C | 248 | 27.4 | 12.212 h |
| August | 26.6°C24.0°C | 24.0°C | 210 | 27.1 | 12.212 h |
| September | 26.4°C23.9°C | 23.9°C | 230 | 25.8 | 12.112 h |
| October | 26.3°C24.0°C | 24.0°C | 269 | 25.5 | 12.112 h |
| November | 26.2°C24.0°C | 24.0°C | 199 | 21.9 | 12.012 h |
| December, selected | 26.3°C24.0°C | 24.0°C | 313 | 25.6 | 12.012 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
- Esmeraldas in DecemberEcuador · 133 kmHigh 27.7°C · Low 23.3°C · 138 mm rain
- Tulcán in DecemberEcuador · 162 kmHigh 16.4°C · Low 9.8°C · 269 mm rain
- Ipiales in DecemberColombia · 167 kmHigh 16.1°C · Low 9.5°C · 269 mm rain
- Ibarra in DecemberEcuador · 177 kmHigh 19.6°C · Low 11.5°C · 165 mm rain
- Pasto in DecemberColombia · 180 kmHigh 17.4°C · Low 10.9°C · 221 mm rain
- Santo Domingo de los Colorados in DecemberEcuador · 231 kmHigh 24.2°C · Low 19.6°C · 235 mm rain
- Popayán in DecemberColombia · 253 kmHigh 21.6°C · Low 14.6°C · 292 mm rain
- Pitalito in DecemberColombia · 305 kmHigh 23.2°C · Low 15.1°C · 227 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 Tumaco) is explained once on the Tumaco year overview and on the Sources, method and limits page.