Calama weather in March

In March, Calama sees average daytime highs of 22°C and overnight lows near 9°C, with 6 mm of rain across 1.1 wet days and about 12.2 hours of daylight. It is the 6th-warmest and 3rd-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 70% of the time in March, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is Calama's 9th-clearest and 12th-windiest month. For the whole year in context, see Calama's year-round climate.

Daytime high
22°
6th warmest
Overnight low
9th coldest
Rainfall
6 mm
1.1 wet days
Daylight
12 h 12 min
7:41 AM – 7:50 PM
Cloud cover
26%
9th clearest
Wind
11 km/h
12th windiest
Solar energy
7.37 kWh/m²
Travel score
8.7
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 March

Average highAverage lowShaded bands: 10–90% of days

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

A typical March day in Calama reaches about 22°C in the afternoon and slips back to 9°C overnight — a 13°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, March runs on par with February and on par with April.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12210
22210
32210
42210
52210
62210
7229
8229
9229
10229
11229
12229
13229
14229
15229
16229
17229
18229
19229
20229
21229
22228
23228
24228
25228
26228
27228
28228
29228
30228
31228

How March really feels in Calama

Once humidity and wind are folded in, March 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

March 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 March compares with the rest of the year at a glance. March is the 6th-warmest and 3rd-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 11% of March, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27723
37723
47624
57624
67624
77624
87723
97723
107723
117723
127723
137822
147921
157921
168020
178119
188218
198317
208416
218515
228515
238614
248713
258713
268713
278812
288812
298812
308812
318812

Chance of precipitation in March

Any precipitation

Calama gets around 6 mm of rain over 1.1 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 3% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
33
43
53
63
73
83
93
104
114
124
134
144
154
164
174
184
194
204
214
224
234
244
253
263
273
283
292
302
312

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March 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 March

Winds average 11 km/h in March, the calmest month.

Across March, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 30 min at the start of March to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over March. Sunrise moves from 7:34 AM to 7:46 AM, and sunset from 8:04 PM to 7:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.57:348:04
212.57:358:03
312.47:358:02
412.47:368:01
512.47:368:00
612.47:377:59
712.47:377:58
812.37:377:58
912.37:387:57
1012.37:387:56
1112.37:397:55
1212.27:397:54
1312.27:397:53
1412.27:407:52
1512.27:407:51
1612.27:417:50
1712.17:417:49
1812.17:417:48
1912.17:427:47
2012.17:427:46
2112.17:427:45
2212.07:437:44
2312.07:437:43
2412.07:437:42
2512.07:447:41
2611.97:447:40
2711.97:447:39
2811.97:457:38
2911.97:457:37
3011.97:457:36
3111.87:467:36

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 7.37 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 — March's 7.37 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.7Intense
27.7Intense
37.6Intense
47.6Intense
57.6Intense
67.6Intense
77.5Intense
87.5Intense
97.5Intense
107.5Intense
117.4Intense
127.4Intense
137.4Intense
147.4Intense
157.4Intense
167.3Intense
177.3Intense
187.3Intense
197.3Intense
207.3Intense
217.3Intense
227.2Intense
237.2Intense
247.2Intense
257.2Intense
267.2Intense
277.1Intense
287.1Intense
297.1Intense
307.1Intense
317.0Intense
Planning a trip in March

Is March a good time to visit Calama?

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

8.7
Sightseeing
6th-best month of the year
6.1
Beach & pool
4th-best month of the year

March 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 March

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

In March, Calama sees daytime highs around 22°C and nights near 9°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

UV index in Calama in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March 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
March 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).