Calama weather in October

In October, Calama sees average daytime highs of 22°C and overnight lows near 7°C, with 0 mm of rain across 0 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 84% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 12 min at the start of October to 12 h 48 min by month's end. Set against the rest of the year, October is Calama's 3rd-clearest and 1st-windiest month. For the whole year in context, see Calama's year-round climate.

Daytime high
22°
4th warmest
Overnight low
7th coldest
Rainfall
0 mm
0 wet days
Daylight
12 h 30 min
7:05 AM – 7:37 PM
Cloud cover
15%
3rd clearest
Wind
13 km/h
1st windiest
Solar energy
8.46 kWh/m²
Travel score
9.2
out of 10

Calama is city in Chile.

Air quality
Good
PM2.5 6.8 µg/m³ · 2019
Density
4,838/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical October day in Calama reaches about 22°C in the afternoon and slips back to 7°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 24°C. Set against its neighbours, October runs about 1°C warmer than September and on par with November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1226
2226
3227
4227
5227
6227
7227
8227
9227
10227
11227
12227
13227
14227
15227
16227
17227
18227
19227
20227
21237
22237
23237
24237
25237
26237
27237
28237
29237
30238
31238

How October really feels in Calama

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Calama weather by month

How October compares with the rest of the year at a glance. October is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 10°92.413.28.2
Feb22° / 10°112.712.88.2
Mar22° / 61.112.28.7
Apr22° / 20.311.58.9
May20° / 50.510.98.6
Jun19° / 40.310.78.3
Jul19° / 30.610.88.2
Aug20° / 30.411.28.7
Sep21° / 10.211.99.0
Oct22° / 0012.59.2
Nov23° / 0013.19.3
Dec23° / 10.313.48.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 84% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 5% of October, with mostly cloudy or overcast conditions the remaining 10%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1937
2937
3937
4937
5937
6937
7928
8928
9919
10919
11919
129010
138911
148911
158812
168812
178812
188713
198713
208713
218713
228713
238812
248812
258812
268812
278812
289010
299010
309010
319010

Chance of precipitation in October

Any precipitation

Calama gets around 0 mm of rain over 0 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 0% and peaks near 0% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in October

Winds average 13 km/h in October, the windiest month of the year.

Across October, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over October. Sunrise moves from 7:19 AM to 6:54 AM, and sunset from 7:31 PM to 7:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.27:197:31
212.27:187:31
312.27:177:32
412.37:167:32
512.37:157:32
612.37:147:33
712.37:137:33
812.47:127:33
912.47:117:34
1012.47:107:34
1112.47:097:35
1212.47:087:35
1312.57:077:35
1412.57:077:36
1512.57:067:36
1612.57:057:37
1712.57:047:37
1812.67:037:37
1912.67:027:38
2012.67:027:38
2112.67:017:39
2212.77:007:39
2312.77:007:40
2412.76:597:40
2512.76:587:41
2612.76:577:41
2712.86:577:42
2812.86:567:42
2912.86:567:43
3012.86:557:44
3112.86:547:44

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 8.46 kWh/m².

For context, solar energy here swings from a low near 4.88 kWh/m² to a high of 9.11 kWh/m² in December across the year — October's 8.46 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.0Intense
28.0Intense
38.0Intense
48.1Intense
58.1Intense
68.2Intense
78.2Intense
88.2Intense
98.3Intense
108.3Intense
118.3Intense
128.3Intense
138.4Intense
148.4Intense
158.4Intense
168.4Intense
178.5Intense
188.5Intense
198.5Intense
208.6Intense
218.6Intense
228.6Intense
238.7Intense
248.7Intense
258.7Intense
268.7Intense
278.8Intense
288.8Intense
298.8Intense
308.8Intense
318.9Intense
Planning a trip in October

Is October a good time to visit Calama?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

9.2
Sightseeing
2nd-best month of the year
6.5
Beach & pool
3rd-best month of the year

October is one of the better times to visit Calama for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Calama in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Calama sees daytime highs around 22°C and nights near 7°C. Pack sun protection. Worth having: light clothes and a warm layer.

sun protectionlight clothesa warm layer

UV index in Calama in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Calama peaks around January 1 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeJan 1UV 17Jul 11UV 7
UV index (midday)Level
Jan17Extreme
Feb16Extreme
Mar15Extreme
Apr11Extreme
May9Very high
Jun7Very high
Jul7High
Aug10Very high
Sep13Extreme
Oct15Extreme
Nov16Extreme
Dec17Extreme
Location & terrain

Where is Calama?

Calama sits at 22.5°S, 68.9°W, 2,275 m above sea level, in Chile. The nearest listed city is San Pedro de Atacama, 90 km away.

Pozo AlmonteAlto HospicioIquiqueUyuniVillazón

Topography around Calama

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Calama.

Within 3 km, the terrain around Calama has only modest variations in elevation — a maximum elevation change of 119 m around an average of 2,268 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,554 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,822 m.

The land around Calama is covered by artificial surfaces (56%) and bare terrain (29%) within 3 km, bare terrain (94%) within 16 km, and bare terrain (99%) within 80 km.

3 km
119 m
16 km
1,554 m
80 km
3,822 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
October weather nearby: San Pedro de Atacama 90 km · Tocopilla 137 km · Antofagasta 201 km · Pozo Almonte 261 km · Alto Hospicio 272 km · Iquique 280 km · Uyuni 311 km · Villazón 345 km

Chile travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
220 V · 50 Hz
Prices
≈ 48% of US
price level, 2025
GDP per capita
$17,995
2025
Happiness
6.3 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
6.3
per 100k, 2023
Road deaths
14.9
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 517
Religion
Catholic 57%none 26%Evangelical or Protestant 16%other Christians and traditions related to Christ 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Calama (-22.4567°, -68.9237°, elevation 2,275 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).