Climate averages 1991–2020
Calama weather
in October.
A warm, very dry month: the joint 5th warmest and one of the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a warm month in Calama: daytime highs average 24.5°C and nights cool to about 4.9°C. By daytime temperature it is the joint 5th warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical October (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 12 h 36 min on an average October day.
The nearest other city in this atlas is Antofagasta (201 km away). In October its highs average 19.1°C, 5.4°C cooler than Calama, with 4.5 mm of rain.
Among the 40 cities listed in Chile, Calama ranks 3rd of 40 for the warmest October highs and joint 1st of 40 for the driest October (rainfall, lowest first). The mean October high of those 40 cities is 19.1°C; Calama is 5.4°C warmer than that mean.
From October to November, average highs rise by 0.5°C to 25.0°C, and monthly rainfall stays under 1 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
Calama climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.8°C9.5°C | 9.5°C | 8.7 | 2.3 | 13.313 h |
| February | 24.6°C9.4°C | 9.4°C | 11 | 2.7 | 12.913 h |
| March | 24.5°C7.7°C | 7.7°C | 5.6 | 1.0 | 12.212 h |
| April | 23.6°C5.0°C | 5.0°C | 2.0 | 0.3 | 11.612 h |
| May | 21.8°C2.8°C | 2.8°C | 4.5 | 0.5 | 11.111 h |
| June | 20.6°C1.6°C | 1.6°C | 3.5 | 0.3 | 10.811 h |
| July | 20.3°C1.3°C | 1.3°C | 3.3 | 0.6 | 10.911 h |
| August | 21.9°C2.0°C | 2.0°C | 2.5 | 0.4 | 11.311 h |
| September | 23.3°C3.3°C | 3.3°C | 0.6 | 0.2 | 11.912 h |
| October, selected | 24.5°C4.9°C | 4.9°C | 0.1 | 0.1 | 12.613 h |
| November | 25.0°C5.8°C | 5.8°C | 0.1 | 0.0 | 13.213 h |
| December | 25.2°C7.5°C | 7.5°C | 1.3 | 0.3 | 13.513 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
- Antofagasta in OctoberChile · 201 kmHigh 19.1°C · Low 12.2°C · 4.5 mm rain
- Alto Hospicio in OctoberChile · 272 kmHigh 20.9°C · Low 11.9°C · 0.1 mm rain
- Iquique (approximate) in OctoberChile · 280 kmHigh 23.6°C · Low 15.5°C · 3.0 mm rain
- Tarija in OctoberBolivia · 444 kmHigh 22.9°C · Low 11.7°C · 86 mm rain
- Potosí in OctoberBolivia · 459 kmHigh 16.5°C · Low 2.4°C · 51 mm rain
- Arica in OctoberChile · 465 kmHigh 19.7°C · Low 13.6°C · 8.9 mm rain
- San Ramón de la Nueva Orán in OctoberArgentina · 477 kmHigh 30.0°C · Low 18.6°C · 66 mm rain
- Tacna in OctoberPeru · 513 kmHigh 21.9°C · Low 13.6°C · 1.1 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 Calama) is explained once on the Calama year overview and on the Sources, method and limits page.