Climate averages 1991–2020
Tumaco weather
in May.
A warm, very wet month: the 2nd warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Tumaco: daytime highs average 27.3°C and nights cool to about 24.4°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 404 mm of rain on roughly 28 days, which makes May a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 12 min on an average May day.
The nearest other city in this atlas is Esmeraldas (133 km away). In May its highs average 28.1°C, 0.7°C warmer than Tumaco, with 149 mm of rain.
Among the 46 cities listed in Colombia, Tumaco ranks joint 23rd of 46 for the warmest May highs and 43rd of 46 for the driest May (rainfall, lowest first). The mean May high of those 46 cities is 25.9°C; Tumaco is 1.4°C warmer than that mean.
From May to June, average highs fall by 0.3°C to 27.0°C, and monthly rainfall falls from 404 mm to 288 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
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, selected | 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 | 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
May in nearby cities
- Esmeraldas in MayEcuador · 133 kmHigh 28.1°C · Low 23.9°C · 149 mm rain
- Tulcán in MayEcuador · 162 kmHigh 16.2°C · Low 9.8°C · 200 mm rain
- Ipiales in MayColombia · 167 kmHigh 15.7°C · Low 9.4°C · 200 mm rain
- Ibarra in MayEcuador · 177 kmHigh 20.1°C · Low 11.5°C · 160 mm rain
- Pasto in MayColombia · 180 kmHigh 17.8°C · Low 11.3°C · 181 mm rain
- Santo Domingo de los Colorados in MayEcuador · 231 kmHigh 24.7°C · Low 20.0°C · 252 mm rain
- Popayán in MayColombia · 253 kmHigh 22.3°C · Low 14.7°C · 197 mm rain
- Pitalito in MayColombia · 305 kmHigh 22.1°C · Low 15.1°C · 307 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.