Climate averages 1991–2020
Portoviejo weather
in December.
A hot, moderately wet month: the 2nd warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Portoviejo: daytime highs average 29.4°C and nights cool to about 22.3°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 61 mm of rain on roughly 10 days, which makes December a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 11 min on an average December day.
The nearest other city in this atlas is La Libertad (140 km away). In December its highs average 25.7°C, 3.7°C cooler than Portoviejo, with 30 mm of rain.
Among the 9 cities listed in Ecuador, Portoviejo ranks 1st of 9 for the warmest December highs and 2nd of 9 for the driest December (rainfall, lowest first). The mean December high of those 9 cities is 23.5°C; Portoviejo is 6.0°C warmer than that mean.
From December to January, average highs fall by 0.7°C to 28.7°C, and monthly rainfall rises from 61 mm to 132 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
Portoviejo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.7°C22.8°C | 22.8°C | 132 | 18.2 | 12.212 h |
| February | 28.5°C23.0°C | 23.0°C | 256 | 22.9 | 12.112 h |
| March | 29.0°C23.1°C | 23.1°C | 234 | 23.1 | 12.112 h |
| April | 29.0°C23.0°C | 23.0°C | 158 | 20.3 | 12.112 h |
| May | 28.6°C22.8°C | 22.8°C | 75 | 14.2 | 12.112 h |
| June | 28.0°C22.1°C | 22.1°C | 32 | 7.9 | 12.112 h |
| July | 28.0°C21.6°C | 21.6°C | 22 | 5.9 | 12.112 h |
| August | 28.6°C21.3°C | 21.3°C | 14 | 4.0 | 12.112 h |
| September | 28.9°C21.3°C | 21.3°C | 20 | 5.1 | 12.112 h |
| October | 29.0°C21.4°C | 21.4°C | 18 | 4.5 | 12.112 h |
| November | 29.5°C21.5°C | 21.5°C | 22 | 4.3 | 12.212 h |
| December, selected | 29.4°C22.3°C | 22.3°C | 61 | 10.1 | 12.212 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
- La Libertad in DecemberEcuador · 140 kmHigh 25.7°C · Low 21.7°C · 30 mm rain
- Eloy Alfaro in DecemberEcuador · 141 kmHigh 28.7°C · Low 22.6°C · 164 mm rain
- Santo Domingo de los Colorados in DecemberEcuador · 168 kmHigh 24.2°C · Low 19.6°C · 235 mm rain
- Esmeraldas in DecemberEcuador · 241 kmHigh 27.7°C · Low 23.3°C · 138 mm rain
- Cuenca in DecemberEcuador · 261 kmHigh 18.3°C · Low 11.5°C · 172 mm rain
- Tumbes in DecemberPeru · 278 kmHigh 30.2°C · Low 22.3°C · 34 mm rain
- Ibarra in DecemberEcuador · 302 kmHigh 19.6°C · Low 11.5°C · 165 mm rain
- Loja in DecemberEcuador · 355 kmHigh 21.3°C · Low 14.7°C · 146 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 Portoviejo) is explained once on the Portoviejo year overview and on the Sources, method and limits page.