Climate and monthly weather forecastAntofagasta, Chile
Climate and monthly weather forecast
The climate of Antofagasta
Antofagasta, located in Chile, is common to the BWk climate classification under the Köppen system, a mid-latitude desert climate. This climate is characterized by a general scarcity of rainfall throughout the year. This is evident in Antofagasta, as rainfall averages from 0mm (0") to a maximum of 1mm (0.04") per month, a distinctly arid condition. Furthermore, the number of rainy days hovers between a minimum of 0.1 days to a peak of 1.6 days.Throughout the year, the city experiences mild to warm temperatures. The monthly average high temperature is seasonal, ranging from 18.3°C (64.9°F) to a peak of 23.7°C (74.7°F). Average low temperatures, however, show a similar trend from 12.6°C (54.7°F) gradually increasing to a high of 18.8°C (65.8°F). It is important to note that the sea temperature also traces a similar pattern, with the coldest being 14.6°C (58.3°F) and climbing to about 20.8°C (69.4°F).
The city enjoys considerable amounts of sunlight, with an average of 9.9 to 10 hours per day, and daylight averages from 10.7 to 13.6 hours per day. Humidity mostly varies from 67% to a high of 75%. With usually very minimal clouds around, a generally clear sky is the rule rather than the exception in Antofagasta. Wind speed, however, remains in the double-digits all year round, averaging around 10.9km/h (6.8mph) and reaching up to 12.8km/h (8mph).
The best time to visit Antofagasta
The ideal time to visit Antofagasta would be during the summer months of December, January and February. During this period, the city experiences the warmest temperatures with high temperatures averaging from 23°C (73.4°F) to 23.7°C (74.7°F) and low averages from 18.4°C (65.1°F) to 18.8°C (65.8°F). In these months, rainfall is sparse and the sea temperature is at its warmest, measuring 19.3°C (66.7°F) to 20.8°C (69.4°F), ideal for outdoor activities such as water sports or beach outings.The worst time to visit Antofagasta
The less favorable period to visit Antofagasta would be in winter, particularly in the months of June, July, and August. Despite the absence of extreme cold weather, these months experience the lowest temperatures of the year. The high temperatures average between 18.3°C (64.9°F) and 18.7°C (65.7°F) and the low temperatures drop to about 12.6°C (54.7°F) to 13°C (55.4°F). The sea temperatures also reach their lowest at this time, dipping from 14.6°C (58.3°F) to 16°C (60.8°F).Spring weather in Antofagasta
In Antofagasta, the spring season comprises the months of September, October, and November. High temperatures show a steady increase starting from 18.7°C (65.7°F) in September to 21.2°C (70.2°F) by November. Low temperatures also show a similar pattern, increasing from 13°C (55.4°F) to 16.7°C (62.1°F). Similarly, sea temperatures rise from 14.8°C (58.6°F) to 19.3°C (66.7°F) during these months. The amount of rainfall remains low throughout the season, with a maximum of 1mm (0.04") seen in November.Summer weather in Antofagasta
In the summer months of December, January, and February, high temperatures revolve around 23.2°C (73.8°F) to 23.7°C (74.7°F). Meanwhile, low temperatures average from 18.4°C (65.1°F) to 18.8°C (65.8°F). Sea temperatures are at the peak during this season at 19.3°C (66.7°F) to 20.8°C (69.4°F), encouraging beach activities and water sports. The days are also the longest during this season, with daylight hours stretching from 13.3 to 13.6 hours per day.Autumn weather in Antofagasta
During the autumn months of March, April, and May in Antofagasta, temperatures begin to fall steadily. High temperatures, falling from 23°C (73.4°F) in March to 20.8°C (69.4°F) in May, accompany low temperatures that decrease from 17.8°C (64°F) (March) to 14.8°C (58.6°F) (May). Sea temperatures follow a similar downward trend. Rainfall remains a scarce occurrence in these months.Winter weather in Antofagasta
Winter in Antofagasta encompasses the months of June, July and August. The winter months are cooler, with high temperatures averaging from 18.3°C (64.9°F) to 18.7°C (65.7°F) and low temperatures ranging from 12.6°C (54.7°F) to 13°C (55.4°F). Sea temperatures experience their lowest in these months, falling to 14.6°C (58.3°F) in July and August. Despite the cooler weather, precipitation stays minimal, ensuring mostly clear and sunny days.Weather in January
January in Antofagasta, Chile, unveils a constant climatological pattern with warm temperatures. The set shifts into high gear with the year's highest average temperature recorded at 23.2°C (73.8°F). Throughout the month, visitors can enjoy pleasant sea temperatures and calming sea breezes. Weather in January »Weather in February
February maintains January's sunny demeanor, offering harmonious weather conditions in Antofagasta. Notably, there is an increment in both the highest and lowest average temperatures, recorded from 23.2°C (73.8°F) to 23.7°C (74.7°F) and 18.4°C (65.1°F) to 18.8°C (65.8°F) respectively. Weather in February »Weather in March
As March unfolds, Antofagasta experiences a balancing act in climatic conditions. The harmony is disrupted as there is a slight dip in high temperatures to 23°C (73.4°F) and low temperatures to 17.8°C (64°F). March remains dry, while the slight drop in temperatures provides a more balanced feel for residents and visitors. Weather in March »Weather in April
April's arrival in Antofagasta brings subtle changes in climatic patterns. Although the temperature drops further, a low of 16.6°C (61.9°F), the weather remains comfortable for outdoor engagements. This period also witnesses an interesting shift with a slight increase in the number of rainfall days. Weather in April »Weather in May
May marks a transition towards cooler climates in Antofagasta. The winds pick up speed to an average of 10.9km/h (6.8mph), offering a fresh feel to the air. The comfortable weather conditions of the previous months continue despite the gradual drop in sea temperatures. Weather in May »Weather in June
The onset of June in Antofagasta signifies the approach of winter. Undeniably, the sea temperature drops to 16°C (60.8°F), influencing a decline in water-based activities. Nevertheless, the weather conditions remain relatively dry with a degree of sunshine. Weather in June »Weather in July
Antofagasta begins to embrace chillier conditions by July. July's hallmark is its reduced temperatures - the lowest average high and low temperatures recorded at 18.3°C (64.9°F) and 12.7°C (54.9°F) respectively. Despite the dip in temperature, the city experiences a small rise in daylight hours adding more brightness to the day. Weather in July »Weather in August
August in Antofagasta presents a twofold affair. Another set of highs and lows unfold as temperatures rise slightly while the pressure dips to 1015.1mb. Outdoor aficionados find delight in the return of warm conditions. Worth noting is the consistency in climatological parameters such as humidity, cloud cover, and visibility. Weather in August »Weather in September
September in Antofagasta marks the end of winter and a gradual return to warmer conditions. Noticeably, the wind speed registers an increase to 12.6km/h (7.8mph), ushering in a fresh sensation. Despite the slight rise in wind gusts, September remains conducive for a multitude of outdoor activities. Weather in September »Weather in October
October unfolds with incredibly favorable conditions in Antofagasta. The UV index persists at 5, remaining constant throughout the year, underscoring the city's substantial sunlight exposure. The shift from September to October sees a bump in average sea temperature to 15.4°C (59.7°F). Weather in October »Weather in November
November in Antofagasta is marked by a considerable improvement in weather conditions. The warmth returns with an increase in both high and low temperatures, with the sea warming up to 16.8°C (62.2°F) for beach enthusiasts. Antofagasta's November weather invites a range of outdoor explorations and recreational activities. Weather in November »Weather in December
December in Antofagasta ushers in summer, marked by gradually escalating temperatures. High wind gust of 16.3km/h (10.1mph) makes for an exciting end to the year. The increase in daylight hours offers ample sunshine for outdoor lovers, enhancing the city's appeal. Weather in December »Updated: Aug 30, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Antofagasta, rain does not fall in January through May, September through December.
Throughout the year, there are 7.3 rainfall days, and 3mm (0.12") of precipitation is accumulated.
The months with the highest UV index are January and February, with an average maximum UV index of 6.
With average high and low temperatures of 23.7°C (74.7°F) and 18.8°C (65.8°F) respectively, February is Antofagasta's warmest month.
February through April, with an average relative humidity of 75%, are most humid months.
The month with the warmest seawater in Antofagasta is February, with an average sea temperature of 20.8°C (69.4°F).
February, September through December, with an average of 10h of sunshine, are months with the most sunshine in Antofagasta.
March through December, with an average maximum UV index of 5, are months with the lowest UV index.
On Sunday, 07. April 2024, at 00:00, Daylight Saving Time ends in Antofagasta, and the time zone changes from -03 to -04. The next Daylight Saving Time starts on Sunday, 08. September 2024, at 00:00, and the time zone reverts from -04 to -03.
June and July, with an average relative humidity of 67%, are the least humid months.
Months with rainfall are June through August.
The months with the most rainfall are June through August, with an average 1mm (0.04") of precipitation.
The month with the shortest days is June, with an average of 10h and 42min of daylight.
Antofagasta's temperature records reveal July as the coldest month, marked by average highs of 18.3°C (64.9°F) and lows of 12.7°C (54.9°F).
July has the least sunshine of the year, with an average of 9.8h of sunshine.
August is the month with the coldest seawater, with an average sea temperature of 14.6°C (58.3°F).
December has the longest days of the year in Antofagasta, Chile, with an average of 13h and 36min of daylight.
Average temperature
Antofagasta, Chile
The warmest month (with the highest average high temperature) is February (23.7°C).
The month with the lowest average high temperature is July (18.3°C).
The month with the highest average low temperature is February (18.8°C).
The coldest month (with the lowest average low temperature) is August (12.6°C).
Average pressure
Antofagasta, Chile
- Average pressure in January:
1012.5mbar - Average pressure in February:
1012mbar - Average pressure in March:
1012.5mbar - Average pressure in April:
1013.4mbar - Average pressure in May:
1014.5mbar - Average pressure in June:
1015.1mbar
- Average pressure in July:
1015.5mbar - Average pressure in August:
1015.1mbar - Average pressure in September:
1014.9mbar - Average pressure in October:
1014.3mbar - Average pressure in November:
1013.5mbar - Average pressure in December:
1012.9mbar
The month with the highest atmospheric pressure is July (1015.5mbar).
The month with the lowest atmospheric pressure is February (1012mbar).
Average wind speed
Antofagasta, Chile
- Average wind speed in January:
12.3km/h - Average wind speed in February:
12.1km/h - Average wind speed in March:
12.4km/h - Average wind speed in April:
11.9km/h - Average wind speed in May:
10.9km/h - Average wind speed in June:
10.9km/h
- Average wind speed in July:
11.3km/h - Average wind speed in August:
11.4km/h - Average wind speed in September:
12.6km/h - Average wind speed in October:
12.7km/h - Average wind speed in November:
12.6km/h - Average wind speed in December:
12.8km/h
The windiest month (with the highest average wind speed) is December (12.8km/h).
The calmest months (with the lowest average wind speed) are May and June (10.9km/h).
Average humidity
Antofagasta, Chile
The months with the highest relative humidity are February, March and April (75%).
The months with the lowest relative humidity are June and July (67%).
Average rainfall
Antofagasta, Chile
The wettest months (with the highest rainfall) are June, July and August (1mm).
The driest months (with the least rainfall) are January, February, March, April, May, September, October, November and December (0mm).
Average rainfall days
Antofagasta, Chile
- Average rainfall days in January:
0.7 days - Average rainfall days in February:
0.3 days - Average rainfall days in March:
1.2 days - Average rainfall days in April:
1.1 days - Average rainfall days in May:
0.4 days - Average rainfall days in June:
0.8 days
- Average rainfall days in July:
1.6 days - Average rainfall days in August:
0.5 days - Average rainfall days in September:
0.4 days - Average rainfall days in October:
0.1 days - Average rainfall days in November:
0 days - Average rainfall days in December:
0.2 days
The month with the highest number of rainy days is July (1.6 days).
The month with the least rainy days is November (0 days).
Average sea temperature
Antofagasta, Chile
The best month for swimming (with the highest average sea temperature) is February (20.8°C).
The coldest month (with the lowest average sea temperature) is August (14.6°C).
Average daylight / Average sunshine
Antofagasta, Chile
- Average daylight in January:
13h and 24min - Average daylight in February:
12h and 54min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 30min - Average daylight in May:
11h and 0min - Average daylight in June:
10h and 42min
- Average daylight in July:
10h and 48min - Average daylight in August:
11h and 18min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 42min - Average daylight in November:
13h and 18min - Average daylight in December:
13h and 36min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in January:
9h and 54min - Average sunshine in February:
10h and 0min - Average sunshine in March:
9h and 54min - Average sunshine in April:
9h and 54min - Average sunshine in May:
9h and 54min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 54min - Average sunshine in September:
10h and 0min - Average sunshine in October:
10h and 0min - Average sunshine in November:
10h and 0min - Average sunshine in December:
10h and 0min
The months with the most sunshine are February, September, October, November and December (Average sunshine: 10h and 0min).
The month with the least sunshine is July (Average sunshine: 9h and 48min).
Average sunshine days
Antofagasta, Chile
- Average sunshine days in January:
30.4 days - Average sunshine days in February:
27.2 days - Average sunshine days in March:
30.8 days - Average sunshine days in April:
29.9 days - Average sunshine days in May:
30.6 days - Average sunshine days in June:
29.2 days
- Average sunshine days in July:
29.8 days - Average sunshine days in August:
30.3 days - Average sunshine days in September:
29.9 days - Average sunshine days in October:
31 days - Average sunshine days in November:
30 days - Average sunshine days in December:
30.9 days
The month with the most sunshine days is October (31 days).
The month with the least sunshine days is February (27.2 days).
Average UV index
Antofagasta, Chile
The months with the highest UV index are January and February (UV index 6).
The months with the lowest UV index are March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover
Antofagasta, Chile
The month with the most cloud cover is February (Cloud cover 11).
The month with the least cloud cover is September (Cloud cover 2).
Average visibility
Antofagasta, Chile
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
