Climate averages 1991–2020
Arica weather
in May.
A mild, fairly dry month: the 7th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Arica: daytime highs average 20.1°C and nights cool to about 14.9°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 24 mm of rain on roughly 9 days, which makes May a fairly dry month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 15 min on an average May day.
The nearest other city in this atlas is Tacna (51 km away). In May its highs average 21.6°C, 1.5°C warmer than Arica, with 4.1 mm of rain.
Among the 40 cities listed in Chile, Arica ranks 8th of 40 for the warmest May highs and 8th of 40 for the driest May (rainfall, lowest first). The mean May high of those 40 cities is 17.5°C; Arica is 2.6°C warmer than that mean.
From May to June, average highs fall by 2.2°C to 18.0°C, and monthly rainfall rises from 24 mm to 30 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
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, selected | 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 | 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
May in nearby cities
- Tacna in MayPeru · 51 kmHigh 21.6°C · Low 15.0°C · 4.1 mm rain
- Iquique (approximate) in MayChile · 194 kmHigh 23.8°C · Low 15.4°C · 7.6 mm rain
- Alto Hospicio in MayChile · 200 kmHigh 21.2°C · Low 12.0°C · 0.3 mm rain
- Viacha in MayBolivia · 294 kmHigh 14.1°C · Low 0.2°C · 14 mm rain
- Puno in MayPeru · 295 kmHigh 14.6°C · Low 0.7°C · 20 mm rain
- La Paz in MayBolivia · 317 kmHigh 14.1°C · Low 2.4°C · 16 mm rain
- Juliaca in MayPeru · 331 kmHigh 14.2°C · Low -0.5°C · 22 mm rain
- Oruro in MayBolivia · 343 kmHigh 14.4°C · Low -0.4°C · 7.3 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.