Last updated: August 21, 2025
April in San Pedro de Atacama, Chile offers a delightful climate characterized by warm days and cool nights. With maximum temperatures reaching 28°C (83°F) and an average of 16°C (60°F), the days are perfect for exploring the stunning desert landscapes. Nighttime brings a refreshing drop to a brisk 2°C (36°F). Remarkably, this month sees no precipitation despite a humidity level of 71%, making it an ideal time to enjoy outdoor activities without the interruption of rain. Visitors can embrace the vibrant skies during the day and the tranquil, star-filled nights, making April a truly enchanting experience in this unique destination.
In April, San Pedro de Atacama experiences a notable shift as temperatures begin to cool, marking the transition from the warmer summer months. The average temperature drops to a comfortable 16°C (60°F), while nighttime lows can plummet to 2°C (36°F). Despite these cooler nights, daytime highs remain pleasant at around 28°C (83°F), allowing for enjoyable exploration of this stunning landscape. This trend of descending temperatures continues into May, but April still retains a balance of warmth during the day, making it an ideal time for travelers to immerse themselves in the unique beauty of the Atacama Desert.
April in San Pedro de Atacama, Chile, marks a significant drop in precipitation, with just 4 mm (0.2 in) recorded, representing a stark contrast to the wetter months earlier in the year. Notably, this month stands out as it experienced zero days of rain, aligning with the region's characteristic dryness as it transitions into the drier winter months. Following the comparatively higher precipitation in January and February, April's minimal rainfall reflects the overall trend of decreasing moisture, as rainfall gradually tapers off leading into an arid period where May and June also see low precipitation levels. This pattern underscores San Pedro's reputation as one of the driest places on Earth, with the majority of rainfall confined to the earlier months of the year.
In April, the humidity in San Pedro de Atacama, Chile dips to 71%, marking a notable decrease from the higher levels experienced in the previous months of January through March, which averaged around 80%. This decline suggests a shift toward drier conditions as the region transitions into late spring. Following April, humidity continues to decrease, reaching its lowest point in August at just 43%. Overall, the trend indicates a gradual reduction in humidity as the year progresses, highlighting San Pedro de Atacama's characteristic arid climate that defines its stunning desert landscapes.
In April, San Pedro de Atacama experiences a notable decline in UV Index levels compared to the peak months earlier in the year. With an UV Index of 13, categorized as extreme, the burn time remains a brisk 10 minutes, reflecting the region's relentless sunlight. This pattern showcases a gradual decrease from the scorching highs of January through March, where indices soared above 16, but the risk is still palpable, emphasizing the need for protective measures when basking in the desert's rays. As the month unfolds, visitors should remain mindful as they explore this breathtaking area, ensuring safety against the intense sun by checking updates regularly. For more detailed information, visit San Pedro de Atacama UV Index.
UV Risk Categories
April in San Pedro de Atacama, Chile, brings a delightful blend of warmth and sunshine, boasting 335 hours of golden rays. This month sits comfortably between March's peak of 360 hours and the slightly lower 323 hours of May, reflecting a steady transition towards the more temperate autumn months. The trend shows that as the region moves from the sweltering summer, the daylight begins to wane slightly, yet still offers an abundance of sun-laden days ideal for exploration. With a consistent increase in sunshine hours from January to November, the vibrant energy of April showcases why this destination continues to attract adventurers and sun-seekers alike.
In April, visitors to San Pedro de Atacama, Chile can bask in the glory of sunshine with a striking 86% chance of clear skies, making it one of the sunniest months of the year. This significant leap from the previous months, where the chances hovered around 72%, highlights a trend of increasing sunlight as the region transitions into the warmer part of the year. Following April, the likelihood of sun remains high with October boasting a remarkable 93%, the sunniest month of all. As one delves deeper into the season, it's clear that the Atacama Desert’s enchanting landscape is best enjoyed under the radiant rays of the sun during this splendid month.
As April unfolds in San Pedro de Atacama, Chile, daylight begins to wane, offering 11 hours of sunlit hours each day. This reduction marks a notable transition from the 12 hours enjoyed in March and foreshadows the shorter days of May, which will see daylight shrink even further to 10 hours. The gradual decrease in daylight hours from the peak of 13 hours in January to the more subdued hours of spring not only signals the changing seasons but also highlights a distinct rhythm of nature in this arid oasis. Following April, the days will begin to lengthen again, as the region shifts toward the brighter days of spring and summer, reminding us of the cyclical beauty of time in the Atacama Desert.
In April, the winds in San Pedro de Atacama maintain a gentle yet consistent rhythm, averaging 2.4 m/s (5 mph). This slight breeze mirrors the calm of the preceding months, creating an inviting atmosphere for exploration. As spring unfolds, the wind speed transitions towards the year's peak in June, when it rises to 3.2 m/s (7 mph). The trend indicates a gradual increase in wind strength as summer approaches, peaking in mid-year before stabilizing in the latter months. Visitors can enjoy April's soft winds, which perfectly complement the stunning landscapes, making it an ideal time for adventure and relaxation in this enchanting desert oasis.
Weather in San Pedro de Atacama varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in San Pedro de Atacama, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of April and January, April tends to be milder with a minimum temperature of 2°C (36°F) and an average of 16°C (60°F), reaching a maximum of 28°C (83°F). It experiences minimal precipitation, with only 4 mm (0.2 in) recorded across no rainy days, and a humidity level of 71%. In contrast, January is generally warmer, starting at a minimum of 9°C (49°F) and averaging 19°C (66°F) while peaking at 30°C (87°F). However, it sees more precipitation at 26 mm (1.0 in) spread over five days, with a slightly higher humidity of 75%. For a detailed look at January weather patterns, you can explore San Pedro de Atacama weather in January.
When comparing the weather in April and February, one can observe notable differences in temperature and precipitation. April features a minimum temperature of 2°C (36°F) and an average of 16°C (60°F), with a maximum reaching 28°C (83°F); it enjoys dry conditions with just 4 mm (0.2 in) of precipitation over 0 days, and the humidity stands at 71%. In contrast, February tends to be warmer overall, with minimum temperatures around 8°C (47°F) and an average of 18°C (65°F), peaking at a high of 31°C (88°F). However, it experiences significantly higher rainfall, totaling 54 mm (2.1 in) over 7 days, and a higher humidity level of 81%. For more details, you can explore the San Pedro de Atacama weather in February.
In comparing the weather between March and April, April presents a notable decrease in humidity, dropping from 84% in March to 71%. While the average temperature remains relatively stable, with March averaging 18°C (64°F) and April at 16°C (60°F), April experiences cooler minimum temperatures of 2°C (36°F) compared to March's 7°C (45°F). Additionally, April boasts almost completely dry conditions with only 4 mm of precipitation over 0 days, in stark contrast to March's 11 mm over 2 days. For more details, you can check out San Pedro de Atacama weather in March.
April and May exhibit some notable differences in weather patterns. April boasts a wider temperature range, with a minimum of 2°C (36°F) and a maximum of 28°C (83°F), while May experiences slightly cooler temperatures, ranging from a minimum of -1°C (31°F) to a maximum of 25°C (77°F). Additionally, April is characterized by a higher average temperature of 16°C (60°F) compared to May's average of 12°C (54°F). Precipitation levels are relatively low in both months, with April receiving 4 mm (0.2 in) over no days and May slightly less at 3 mm (0.1 in) over one day. Lastly, humidity levels in April are higher at 71%, while May sees a drop to 60%. For more detailed insights on the weather during this time, you can refer to San Pedro de Atacama weather in May.
In comparing the weather of April and June, April features a wider temperature range with a minimum of 2°C (36°F) and a pleasant average of 16°C (60°F), peaking at a warm 28°C (83°F). The month enjoys minimal precipitation, totaling just 4 mm (0.2 in) and zero rainy days, along with a relatively high humidity level of 71%. In contrast, June experiences cooler temperatures, with a minimum of -2°C (29°F) and a significantly lower average of 10°C (51°F), while reaching a maximum of 24°C (76°F). Like April, June has low precipitation at 6 mm (0.2 in) with no rainy days, but it is marked by lower humidity at 52%. For a closer look at the weather specifics during this month, visit San Pedro de Atacama weather in June.
In comparing the weather of April and July, April boasts a more moderate temperature range with a minimum of 2°C (36°F), an average of 16°C (60°F), and a pleasant maximum of 28°C (83°F). This month experiences only 4 mm (0.2 in) of precipitation, resulting in zero rainy days and a relatively high humidity of 71%. In contrast, July presents a cooler climate, with a minimum temperature dropping to -4°C (25°F) and an average temperature of just 11°C (51°F). Even though July has a slightly lower precipitation level of 1 mm (0.1 in) and also records no rainy days, the humidity decreases to 51%. For a more detailed look at the climate during July, check out San Pedro de Atacama weather in July.
April and August present contrasting weather patterns. In April, temperatures range from a minimum of 2°C (36°F) to a pleasant average of 16°C (60°F), peaking at 28°C (83°F). The month experiences minimal precipitation of just 4 mm (0.2 in) with no rainy days, accompanied by a relatively high humidity level of 71%. In contrast, August sees cooler temperatures, with a minimum of -2°C (29°F) and an average of 11°C (53°F), and a maximum of 25°C (78°F). Similar to April, it also records 6 mm (0.2 in) of precipitation without any rainy days, but the humidity drops significantly to 43%. For more details on specific weather conditions in August, you can visit San Pedro de Atacama weather in August.
April and September show some interesting contrasts in weather patterns. In April, temperatures range from a chilly minimum of 2°C (36°F) to a warm maximum of 28°C (83°F), with an average of 16°C (60°F). The month sees a bit more humidity at 71% and very minimal precipitation of just 4 mm (0.2 in), with no rainy days recorded. In contrast, September boasts slightly cooler temperatures, with a minimum of 0°C (32°F) and a similar maximum of 28°C (82°F), although the average dips to 15°C (59°F). Humidity drops significantly to 49%, and precipitation remains very low at just 1 mm (0.0 in) over the course of the month. For more details, you can check San Pedro de Atacama weather in September.
April and October both offer mild temperatures, with April experiencing a wider range from a minimum of 2°C (36°F) to a maximum of 28°C (83°F), while October sees lows of 0°C (33°F) and highs of 29°C (84°F). Despite April's average temperature being slightly lower at 16°C (60°F) compared to October’s 17°C (62°F), both months exhibit low precipitation levels, with April receiving just 4 mm (0.2 in) and October recording none at all. Additionally, April has a higher humidity of 71%, compared to October's 49%, making it feel more humid and warmer. For more details on October weather specifics, you can check San Pedro de Atacama weather in October.
In comparing the weather of April and November, both months display mild temperatures, but November tends to be slightly warmer overall. April experiences a minimum temperature of 2°C (36°F), averaging around 16°C (60°F), with a maximum reaching up to 28°C (83°F). In contrast, November has a minimum of 4°C (39°F), an average of 18°C (65°F), and a higher maximum temperature of 30°C (86°F). Additionally, while both months receive no precipitation, April has a higher humidity level at 71%, compared to November's 47%. For more details on the weather during November, you can visit San Pedro de Atacama weather in November.
April and December present distinct weather patterns in San Pedro de Atacama. In April, temperatures range from a cooler minimum of 2°C (36°F) to a comfortable average of 16°C (60°F), peaking at 28°C (83°F). The month experiences minimal precipitation, with only 4 mm (0.2 in) over zero days, accompanied by a relatively high humidity level of 71%. In contrast, December features warmer temperatures, with a minimum of 6°C (43°F), an average of 19°C (66°F), and a maximum of 32°C (90°F). While it sees slightly higher precipitation at 6 mm (0.2 in) over one day, the humidity drops to a more comfortable 53%. For more details on December's weather, visit San Pedro de Atacama weather in December.
April in San Pedro de Atacama offers a delightful transition into milder weather, distinguishing itself from the hotter summer months. With pleasant average temperatures around 16°C, visitors can enjoy warm days and cool nights, making it an ideal time for outdoor adventures. Unlike the drier summer, April experiences minimal precipitation, often leading to crystal-clear skies, perfect for stargazing and exploring the unique landscapes. The humidity level, although higher than other months, remains comfortable, enhancing the overall experience. For more insights on what to expect weather-wise throughout the year, check out San Pedro de Atacama Climate.