Calama weather in April

In April, Calama sees average daytime highs of 22°C and overnight lows near 7°C, with 2 mm of rain across 0.3 wet days and about 11.5 hours of daylight. It is the 7th-warmest and 8th-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 81% of the time in April, and the air most often feels dry.

Daylight stretches from about 11 h 48 min at the start of April to 11 h 12 min by month's end. Set against the rest of the year, April is Calama's 7th-clearest and 11th-windiest month. For the whole year in context, see Calama's year-round climate.

Daytime high
22°
7th warmest
Overnight low
6th coldest
Rainfall
2 mm
0.3 wet days
Daylight
11 h 30 min
7:51 AM – 7:20 PM
Cloud cover
18%
7th clearest
Wind
11 km/h
11th windiest
Solar energy
6.5 kWh/m²
Travel score
8.9
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 April

Average highAverage lowShaded bands: 10–90% of days

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

A typical April 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 19°C and 24°C. Set against its neighbours, April runs on par with March and about 1°C warmer than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1228
2228
3228
4228
5227
6227
7227
8227
9227
10227
11227
12227
13227
14227
15227
16227
17227
18217
19216
20216
21216
22216
23216
24216
25216
26216
27216
28216
29216
30216

How April really feels in Calama

Once humidity and wind are folded in, April 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

April 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 April compares with the rest of the year at a glance. April is the 7th-warmest and 8th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 81% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 6% of April, with mostly cloudy or overcast conditions the remaining 13%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18713
28713
38713
48812
58812
68713
78713
88713
98713
108713
118713
128614
138614
148614
158614
168515
178614
188614
198614
208614
218713
228713
238713
248713
258812
268911
278911
288911
298911
308911

Chance of precipitation in April

Any precipitation

Calama gets around 2 mm of rain over 0.3 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April 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%151015202530
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

Wind in April

Winds average 11 km/h in April.

Across April, 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.

051015151015202530
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

Sunrise & sunset in April

DaylightNight

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

Days shrink by about 36 minutes over April. Sunrise moves from 7:46 AM to 7:57 AM, and sunset from 7:35 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:467:35
211.87:477:34
311.87:477:33
411.77:477:32
511.77:487:31
611.77:487:30
711.77:487:29
811.77:497:28
911.67:497:27
1011.67:497:26
1111.67:507:25
1211.67:507:24
1311.57:507:23
1411.57:517:22
1511.57:517:21
1611.57:517:20
1711.57:527:19
1811.47:527:19
1911.47:537:18
2011.47:537:17
2111.47:537:16
2211.47:547:15
2311.37:547:14
2411.37:557:14
2511.37:557:13
2611.37:557:12
2711.37:567:11
2811.27:567:11
2911.27:577:10
3011.27:577:09

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.5 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 — April's 6.5 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
37.0Intense
46.9Intense
56.9Intense
66.8Intense
76.8Intense
86.8Intense
96.7Intense
106.7Intense
116.7Intense
126.6Intense
136.6Intense
146.6Intense
156.5Intense
166.5Intense
176.4Intense
186.4Intense
196.4Intense
206.3Intense
216.3Intense
226.3Intense
236.2Intense
246.2Intense
256.1Intense
266.1Intense
276.1Intense
286.0Intense
296.0Bright
306.0Bright
Planning a trip in April

Is April a good time to visit Calama?

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

8.9
Sightseeing
4th-best month of the year
5.7
Beach & pool
7th-best month of the year

April is one of the better times to visit Calama for general sightseeing.

What to pack for Calama in April

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

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

sun protectiona warm layer

UV index in Calama in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 11 (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
April 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).