Climate averages 1991–2020
Sullana weather
in October.
A hot, very dry month: the 9th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Sullana: daytime highs average 29.8°C and nights cool to about 17.7°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 2.5 mm of rain on fewer than one day, which makes October a very dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 13 min on an average October day.
The nearest other city in this atlas is Piura (31 km away). In October its highs average 29.1°C, 0.7°C cooler than Sullana, with 4.1 mm of rain.
Among the 24 cities listed in Peru, Sullana ranks 5th of 24 for the warmest October highs and joint 6th of 24 for the driest October (rainfall, lowest first). The mean October high of those 24 cities is 23.6°C; Sullana is 6.2°C warmer than that mean.
From October to November, average highs rise by 0.6°C to 30.4°C, and monthly rainfall rises from 2.5 mm to 6.9 mm.
The annual picture
October 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
Sullana climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 32.8°C21.9°C | 21.9°C | 35 | 5.2 | 12.412 h |
| February | 32.5°C23.2°C | 23.2°C | 75 | 9.9 | 12.312 h |
| March | 32.8°C23.2°C | 23.2°C | 113 | 11.2 | 12.112 h |
| April | 32.6°C22.0°C | 22.0°C | 42 | 6.5 | 12.012 h |
| May | 31.7°C20.4°C | 20.4°C | 4.9 | 1.8 | 11.912 h |
| June | 29.9°C18.7°C | 18.7°C | 1.8 | 0.8 | 11.812 h |
| July | 28.7°C17.5°C | 17.5°C | 0.6 | 0.2 | 11.912 h |
| August | 28.6°C17.0°C | 17.0°C | 0.2 | 0.1 | 12.012 h |
| September | 29.2°C17.3°C | 17.3°C | 1.3 | 0.4 | 12.112 h |
| October, selected | 29.8°C17.7°C | 17.7°C | 2.5 | 0.9 | 12.212 h |
| November | 30.4°C18.3°C | 18.3°C | 6.9 | 1.8 | 12.312 h |
| December | 31.6°C20.0°C | 20.0°C | 18 | 3.8 | 12.412 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
October in nearby cities
- Piura in OctoberPeru · 31 kmHigh 29.1°C · Low 17.6°C · 4.1 mm rain
- Talara in OctoberPeru · 74 kmHigh 24.9°C · Low 17.7°C · 1.8 mm rain
- Tumbes in OctoberPeru · 152 kmHigh 29.4°C · Low 20.9°C · 9.6 mm rain
- Loja in OctoberEcuador · 193 kmHigh 22.1°C · Low 14.4°C · 88 mm rain
- Chiclayo in OctoberPeru · 227 kmHigh 23.1°C · Low 16.7°C · 2.8 mm rain
- Cuenca in OctoberEcuador · 292 kmHigh 18.6°C · Low 10.9°C · 127 mm rain
- La Libertad in OctoberEcuador · 298 kmHigh 24.2°C · Low 20.3°C · 7.4 mm rain
- Eloy Alfaro in OctoberEcuador · 318 kmHigh 27.8°C · Low 21.2°C · 97 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 Sullana) is explained once on the Sullana year overview and on the Sources, method and limits page.