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April Weather in Antofagasta Chile

Daily high temperatures decrease by 4°F, from 73°F to 70°F, rarely falling below 67°F or exceeding 76°F.

Daily low temperatures decrease by 3°F, from 62°F to 59°F, rarely falling below 56°F or exceeding 66°F.

For reference, on January 27, the hottest day of the year, temperatures in Antofagasta typically range from 65°F to 77°F, while on July 16, the coldest day of the year, they range from 55°F to 65°F.

Average High and Low Temperature in April in Antofagasta

The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on April. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature in April in Antofagasta

Average Hourly Temperature in April in AntofagastaApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMMarMayNowNowcoolcoolcomfortablecomfortablewarm
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Plettenberg Bay, South Africa (5,529 miles away) is the far-away foreign place with temperatures most similar to Antofagasta (view comparison).

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The month of April in Antofagasta experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 18% to 23%.

The clearest day of the month is April 2, with clear, mostly clear, or partly cloudy conditions 82% of the time.

For reference, on June 13, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 27%, while on September 17, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 87%.

Cloud Cover Categories in April in Antofagasta

Cloud Cover Categories in April in AntofagastaApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%MarMayApr 182%Apr 182%Apr 3077%Apr 3077%Apr 1179%Apr 1179%Apr 2178%Apr 2178%NowNowclearmostly clearovercastpartly cloudymostly cloudy
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

Over the course of April in Antofagasta, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 37 minutes, implying an average daily decrease of 1 minute, 16 seconds, and weekly decrease of 8 minutes, 49 seconds.

The shortest day of the month is April 30, with 11 hours, 13 minutes of daylight and the longest day is April 1, with 11 hours, 50 minutes of daylight.

Hours of Daylight and Twilight in April in Antofagasta

The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The latest sunrise of the month in Antofagasta is 7:52 AM on April 6 and the earliest sunrise is 1 hour, 0 minutes earlier at 6:52 AM on April 7.

The latest sunset is 7:40 PM on April 1 and the earliest sunset is 1 hour, 25 minutes earlier at 6:15 PM on April 30.

Daylight saving time (DST) starts at 11:00 PM on April 6, 2024, shifting sunrise and sunset to be an hour later.

For reference, on December 21, the longest day of the year, the Sun rises at 6:52 AM and sets 13 hours, 36 minutes later, at 8:27 PM, while on June 20, the shortest day of the year, it rises at 7:23 AM and sets 10 hours, 41 minutes later, at 6:03 PM.

Sunrise & Sunset with Twilight and Daylight Saving Time in April in Antofagasta

Sunrise & Sunset with Twilight and Daylight Saving Time in April in AntofagastaApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930302 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMMarMay6:52 AM6:52 AMApr 76:34 PMApr 76:34 PM7:01 AM7:01 AMApr 306:15 PMApr 306:15 PMDSTApr 6DSTApr 6SolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
The solar day over the course of April. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the 'DST' labels.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

Solar Elevation and Azimuth in April in Antofagasta

Solar Elevation and Azimuth in April in AntofagastaApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMMarMay00101020202030304040505060000101020203030304040505060NowNow
northeastsouthwest
Solar elevation and azimuth over the course of April 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The figure below presents a compact representation of key lunar data for April 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

Moon Rise, Set & Phases in April in Antofagasta

Moon Rise, Set & Phases in April in AntofagastaApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMMarMayMar 106:01 AMMar 106:01 AMMar 254:01 AMMar 254:01 AMApr 82:22 PMApr 82:22 PMApr 237:50 PMApr 237:50 PMMay 711:23 PMMay 711:23 PMMay 239:54 AMMay 239:54 AM7:49 AM7:49 AM8:28 PM8:28 PM7:37 PM7:37 PM7:58 AM7:58 AM6:36 AM6:36 AM6:35 PM6:35 PM6:09 PM6:09 PM7:28 AM7:28 AM6:26 AM6:26 AM5:48 PM5:48 PM5:20 PM5:20 PM7:14 AM7:14 AM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.
Apr 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
58%12:04 AMESE2:27 PMWSW-7:15 AMS237,888 mi
2
50%1:03 AMESE3:23 PMWSW-8:14 AMS234,535 mi
3
35%2:08 AMESE4:13 PMWSW-9:13 AMS231,164 mi
4
24%3:14 AMESE4:59 PMWSW-10:10 AMN228,033 mi
5
14%4:21 AMESE5:40 PMWSW-11:03 AMN225,438 mi
6
7%5:26 AME6:19 PMW-11:55 AMN223,676 mi
7
2%5:31 AME5:57 PMW-11:45 AMN222,984 mi
8
0%6:36 AME6:35 PMW-12:36 PMN223,493 mi
9
1%7:41 AMENE7:15 PMWNW-1:28 PMN225,194 mi
10
6%8:48 AMENE7:59 PMWNW-2:23 PMN227,933 mi
11
13%9:55 AMENE8:47 PMWNW-3:21 PMN231,437 mi
12
21%11:01 AMENE9:40 PMWNW-4:20 PMN235,362 mi
13
31%12:03 PMENE10:37 PMWNW-5:20 PMN239,350 mi
14
41%12:59 PMENE11:35 PMWNW-6:17 PMN243,080 mi
15
50%1:48 PMENE--7:11 PMN246,303 mi
16
62%-12:33 AMWNW2:30 PMENE8:00 PMN248,857 mi
17
71%-1:29 AMWNW3:07 PMENE8:45 PMN250,663 mi
18
79%-2:23 AMWNW3:40 PMENE9:27 PMN251,709 mi
19
87%-3:14 AMWNW4:11 PME10:07 PMN252,042 mi
20
93%-4:04 AMW4:39 PME10:46 PMN251,744 mi
21
97%-4:54 AMW5:08 PME11:24 PMN250,914 mi
22
98%-5:44 AMW5:37 PME--
23
100%-6:35 AMWSW6:09 PMESE12:04 AMN249,659 mi
24
100%-7:28 AMWSW6:43 PMESE12:46 AMN248,074 mi
25
98%-8:24 AMWSW7:22 PMESE1:31 AMN246,237 mi
26
95%-9:23 AMWSW8:08 PMESE2:20 AMS244,201 mi
27
89%-10:23 AMWSW8:59 PMESE3:14 AMS242,001 mi
28
82%-11:22 AMWSW9:57 PMESE4:10 AMS239,660 mi
29
73%-12:18 PMWSW10:59 PMESE5:09 AMS237,207 mi
30
62%-1:09 PMWSW-6:06 AMS234,691 mi

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Antofagasta is essentially constant during April, remaining around 0% throughout.

For reference, on January 28, the muggiest day of the year, there are muggy conditions 4% of the time, while on May 10, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in April in Antofagasta

Humidity Comfort Levels in April in AntofagastaApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%MarMayApr 10%Apr 10%Apr 300%Apr 300%Apr 110%Apr 110%Apr 210%Apr 210%humidhumidcomfortablecomfortabledrydry
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Antofagasta is gradually decreasing during April, decreasing from 6.0 miles per hour to 5.4 miles per hour over the course of the month.

For reference, on January 24, the windiest day of the year, the daily average wind speed is 6.9 miles per hour, while on June 4, the calmest day of the year, the daily average wind speed is 5.0 miles per hour.

Average Wind Speed in April in Antofagasta

Average Wind Speed in April in AntofagastaApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mphMarMayApr 16.0 mphApr 16.0 mphApr 305.4 mphApr 305.4 mphApr 115.8 mphApr 115.8 mphNowNow
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The wind direction in Antofagasta during April is predominantly out of the west from April 1 to April 25 and the south from April 25 to April 30.

Wind Direction in April in Antofagasta

Wind Direction in April in AntofagastaWSApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%20%80%40%60%60%40%80%20%100%0%MarMayNowNowwestsoutheast
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Antofagasta is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature in Antofagasta is gradually decreasing during April, falling by 3°F, from 68°F to 65°F, over the course of the month.

Average Water Temperature in April in Antofagasta

The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Temperatures in Antofagasta are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Time Spent in Various Temperature Bands and the Growing Season in April in Antofagasta

Time Spent in Various Temperature Bands and the Growing Season in April in AntofagastaApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%MarMay100%Apr 16100%Apr 16NowNowcoolcomfortablewarmcold
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Antofagasta are rapidly increasing during April, increasing by 450°F, from 4,165°F to 4,615°F, over the course of the month.

Growing Degree Days in April in Antofagasta

Growing Degree Days in April in AntofagastaApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930304,000°F4,000°F4,100°F4,100°F4,200°F4,200°F4,300°F4,300°F4,400°F4,400°F4,500°F4,500°F4,600°F4,600°F4,700°F4,700°F4,800°F4,800°FMarMayApr 14,165°FApr 14,165°FApr 304,615°FApr 304,615°FApr 114,331°FApr 114,331°FNowNow
The average growing degree days accumulated over the course of April, with 25th to 75th and 10th to 90th percentile bands.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Antofagasta is decreasing during April, falling by 1.2 kWh, from 6.6 kWh to 5.4 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in April in Antofagasta

Average Daily Incident Shortwave Solar Energy in April in AntofagastaApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhMarMayApr 16.6 kWhApr 16.6 kWhApr 305.4 kWhApr 305.4 kWhApr 116.2 kWhApr 116.2 kWhNowNow
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

For the purposes of this report, the geographical coordinates of Antofagasta are -23.652 deg latitude, -70.395 deg longitude, and 102 ft elevation.

The topography within 2 miles of Antofagasta contains very significant variations in elevation, with a maximum elevation change of 1,611 feet and an average elevation above sea level of 400 feet. Within 10 miles contains very significant variations in elevation (3,750 feet). Within 50 miles also contains extreme variations in elevation (8,625 feet).

The area within 2 miles of Antofagasta is covered by water (27%), grassland (25%), trees (24%), and shrubs (13%), within 10 miles by water (42%) and bare soil (32%), and within 50 miles by bare soil (49%) and water (42%).

This report illustrates the typical weather in Antofagasta, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

There is only a single weather station, Aeropuerto Cerro Moreno, in our network suitable to be used as a proxy for the historical temperature and dew point records of Antofagasta.

At a distance of 24 kilometers from Antofagasta, closer than our threshold of 150 kilometers, this station is deemed sufficiently nearby to be relied upon as our primary source for temperature and dew point records.

The station records are corrected for the elevation difference between the station and Antofagasta according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

Please note that the station records themselves may additionally have been back-filled using other nearby stations or the MERRA-2 reanalysis.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

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