Climate averages 1991–2020
Arica weather
in January.
A warm, very dry month: the joint 2nd warmest and the 7th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in Arica: daytime highs average 26.6°C and nights cool to about 19.5°C. By daytime temperature it is the joint 2nd warmest of the 12 months.
Expect about 9.5 mm of rain on roughly 2 days, which makes January a very dry month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 06 min on an average January day.
The nearest other city in this atlas is Tacna (51 km away). In January its highs average 26.4°C, about as warm as Arica, with 23 mm of rain.
Among the 40 cities listed in Chile, Arica ranks 18th of 40 for the warmest January highs and joint 29th of 40 for the driest January (rainfall, lowest first). The mean January high of those 40 cities is 25.5°C; Arica is 1.1°C warmer than that mean.
From January to February, average highs rise by 0.7°C to 27.3°C, and monthly rainfall falls from 9.5 mm to 7.3 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Tacna in JanuaryPeru · 51 kmHigh 26.4°C · Low 17.9°C · 23 mm rain
- Iquique (approximate) in JanuaryChile · 194 kmHigh 27.2°C · Low 20.1°C · 1.0 mm rain
- Alto Hospicio in JanuaryChile · 200 kmHigh 24.5°C · Low 16.9°C · 2.9 mm rain
- Viacha in JanuaryBolivia · 294 kmHigh 13.8°C · Low 4.5°C · 143 mm rain
- Puno in JanuaryPeru · 295 kmHigh 14.1°C · Low 6.0°C · 224 mm rain
- La Paz in JanuaryBolivia · 317 kmHigh 14.2°C · Low 5.8°C · 132 mm rain
- Juliaca in JanuaryPeru · 331 kmHigh 13.8°C · Low 5.0°C · 193 mm rain
- Oruro in JanuaryBolivia · 343 kmHigh 14.0°C · Low 4.6°C · 143 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.