Climate averages 1991–2020
Arica weather
in August.
A mild, fairly dry month: the 11th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a mild month in Arica: daytime highs average 17.2°C and nights cool to about 12.3°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 20 mm of rain on roughly 7 days, which makes August a fairly dry month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 29 min on an average August day.
The nearest other city in this atlas is Tacna (51 km away). In August its highs average 19.4°C, 2.3°C warmer than Arica, with 3.6 mm of rain.
Among the 40 cities listed in Chile, Arica ranks 10th of 40 for the warmest August highs and 8th of 40 for the driest August (rainfall, lowest first). The mean August high of those 40 cities is 15.5°C; Arica is 1.7°C warmer than that mean.
From August to September, average highs rise by 0.9°C to 18.1°C, and monthly rainfall falls from 20 mm to 14 mm.
The annual picture
August 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
Arica climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.6°C19.5°C | 19.5°C | 9.5 | 2.4 | 13.113 h |
| February | 27.3°C20.2°C | 20.2°C | 7.3 | 2.0 | 12.713 h |
| March | 26.6°C19.2°C | 19.2°C | 3.8 | 0.7 | 12.212 h |
| April | 23.6°C16.7°C | 16.7°C | 6.9 | 1.7 | 11.712 h |
| May | 20.1°C14.9°C | 14.9°C | 24 | 9.3 | 11.311 h |
| June | 18.0°C13.5°C | 13.5°C | 30 | 12.5 | 11.011 h |
| July | 17.1°C12.5°C | 12.5°C | 29 | 10.5 | 11.111 h |
| August, selected | 17.2°C12.3°C | 12.3°C | 20 | 6.9 | 11.511 h |
| September | 18.1°C12.8°C | 12.8°C | 14 | 4.5 | 12.012 h |
| October | 19.7°C13.6°C | 13.6°C | 8.9 | 1.9 | 12.513 h |
| November | 22.3°C15.0°C | 15.0°C | 4.2 | 0.3 | 13.013 h |
| December | 24.7°C17.2°C | 17.2°C | 4.7 | 0.8 | 13.213 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
August in nearby cities
- Tacna in AugustPeru · 51 kmHigh 19.4°C · Low 12.9°C · 3.6 mm rain
- Iquique (approximate) in AugustChile · 194 kmHigh 22.1°C · Low 13.5°C · 10 mm rain
- Alto Hospicio in AugustChile · 200 kmHigh 19.5°C · Low 10.2°C · 0.5 mm rain
- Viacha in AugustBolivia · 294 kmHigh 14.5°C · Low -0.7°C · 16 mm rain
- Puno in AugustPeru · 295 kmHigh 15.3°C · Low 0.4°C · 20 mm rain
- La Paz in AugustBolivia · 317 kmHigh 13.7°C · Low 1.1°C · 21 mm rain
- Juliaca in AugustPeru · 331 kmHigh 15.4°C · Low -0.8°C · 18 mm rain
- Oruro in AugustBolivia · 343 kmHigh 14.2°C · Low -1.7°C · 12 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 Arica) is explained once on the Arica year overview and on the Sources, method and limits page.