Climate averages 1991–2020
Portoviejo weather
in May.
A hot, moderately wet month: the joint 8th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Portoviejo: daytime highs average 28.6°C and nights cool to about 22.8°C. By daytime temperature it is the joint 8th warmest of the 12 months.
Expect about 75 mm of rain on roughly 14 days, which makes May a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 04 min on an average May day.
The nearest other city in this atlas is La Libertad (140 km away). In May its highs average 25.9°C, 2.6°C cooler than Portoviejo, with 26 mm of rain.
Among the 9 cities listed in Ecuador, Portoviejo ranks 1st of 9 for the warmest May highs and 2nd of 9 for the driest May (rainfall, lowest first). The mean May high of those 9 cities is 23.3°C; Portoviejo is 5.3°C warmer than that mean.
From May to June, average highs fall by 0.6°C to 28.0°C, and monthly rainfall falls from 75 mm to 32 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
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, selected | 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 | 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
May in nearby cities
- La Libertad in MayEcuador · 140 kmHigh 25.9°C · Low 22.5°C · 26 mm rain
- Eloy Alfaro in MayEcuador · 141 kmHigh 28.2°C · Low 23.0°C · 287 mm rain
- Santo Domingo de los Colorados in MayEcuador · 168 kmHigh 24.7°C · Low 20.0°C · 252 mm rain
- Esmeraldas in MayEcuador · 241 kmHigh 28.1°C · Low 23.9°C · 149 mm rain
- Cuenca in MayEcuador · 261 kmHigh 17.5°C · Low 11.0°C · 100 mm rain
- Tumbes in MayPeru · 278 kmHigh 29.7°C · Low 22.9°C · 41 mm rain
- Ibarra in MayEcuador · 302 kmHigh 20.1°C · Low 11.5°C · 160 mm rain
- Loja in MayEcuador · 355 kmHigh 20.8°C · Low 14.5°C · 82 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.