Climate averages 1991–2020
Tumbes weather
in May.
A hot, moderately wet month: the joint 3rd 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 Tumbes: daytime highs average 29.7°C and nights cool to about 22.9°C. By daytime temperature it is the joint 3rd warmest of the 12 months.
Expect about 41 mm of rain on roughly 7 days, which makes May a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 57 min on an average May day.
The nearest other city in this atlas is Loja (146 km away). In May its highs average 20.8°C, 8.9°C cooler than Tumbes, with 82 mm of rain.
Among the 24 cities listed in Peru, Tumbes ranks 3rd of 24 for the warmest May highs and 18th of 24 for the driest May (rainfall, lowest first). The mean May high of those 24 cities is 23.7°C; Tumbes is 6.0°C warmer than that mean.
From May to June, average highs fall by 0.4°C to 29.3°C, and monthly rainfall falls from 41 mm to 9.8 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
Tumbes climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.0°C23.2°C | 23.2°C | 74 | 12.3 | 12.312 h |
| February | 29.5°C23.5°C | 23.5°C | 150 | 16.8 | 12.212 h |
| March | 29.6°C23.5°C | 23.5°C | 167 | 16.6 | 12.112 h |
| April | 29.7°C23.3°C | 23.3°C | 103 | 12.3 | 12.012 h |
| May, selected | 29.7°C22.9°C | 22.9°C | 41 | 7.1 | 12.012 h |
| June | 29.3°C21.8°C | 21.8°C | 9.8 | 2.5 | 11.912 h |
| July | 29.2°C20.9°C | 20.9°C | 4.5 | 1.3 | 11.912 h |
| August | 29.3°C20.4°C | 20.4°C | 1.1 | 0.3 | 12.012 h |
| September | 29.3°C20.6°C | 20.6°C | 6.0 | 1.8 | 12.112 h |
| October | 29.4°C20.9°C | 20.9°C | 9.6 | 2.8 | 12.212 h |
| November | 29.6°C21.1°C | 21.1°C | 15 | 3.7 | 12.312 h |
| December | 30.2°C22.3°C | 22.3°C | 34 | 5.8 | 12.312 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
- Loja in MayEcuador · 146 kmHigh 20.8°C · Low 14.5°C · 82 mm rain
- Talara in MayPeru · 146 kmHigh 27.5°C · Low 20.5°C · 4.8 mm rain
- Sullana in MayPeru · 152 kmHigh 31.7°C · Low 20.4°C · 4.9 mm rain
- La Libertad in MayEcuador · 156 kmHigh 25.9°C · Low 22.5°C · 26 mm rain
- Eloy Alfaro in MayEcuador · 168 kmHigh 28.2°C · Low 23.0°C · 287 mm rain
- Cuenca in MayEcuador · 177 kmHigh 17.5°C · Low 11.0°C · 100 mm rain
- Piura in MayPeru · 182 kmHigh 31.2°C · Low 20.3°C · 6.7 mm rain
- Portoviejo in MayEcuador · 278 kmHigh 28.6°C · Low 22.8°C · 75 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 Tumbes) is explained once on the Tumbes year overview and on the Sources, method and limits page.