Last updated: August 21, 2025
Experience the captivating April weather in Santiago Atitlán, Guatemala, where temperatures range from a pleasant 10°C (50°F) at night to a comfortable maximum of 26°C (79°F) during the day. With an average temperature of 18°C (64°F), this month invites outdoor adventures and exploration. However, prepare for the wet season ahead, as April sees approximately 159 mm (6.2 in) of rainfall spread across 19 days, contributing to a moderate humidity level of 57%. Whether you're hiking volcanic trails or basking in the vibrant local culture, the blend of warmth and refreshing rain creates a uniquely enchanting atmosphere.
In April, the temperatures in Santiago Atitlán begin to warm up, offering a delightful glimpse of spring. With a minimum of 10°C (50°F) and an average of 18°C (64°F), the month presents pleasant conditions ideal for exploring the natural beauty of the lake and surrounding mountains. The mercury peaks at 26°C (79°F), maintaining a comfortable warmth that makes outdoor activities particularly enjoyable. Notably, April's temperatures mark a slight increase from March, continuing the trend of gradually rising warmth as the year progresses. This progressive warming sets the stage for the vibrant and lush scenery that characterizes the area, inviting both adventure and relaxation under the Guatemalan sun.
April marks a significant turning point in Santiago Atitlán's precipitation patterns, plunging the region into its rainier season. With a remarkable total of 159 mm (6.2 in) of rain spread over 19 days, April sets the stage for the substantial rainfall that characterizes the following months. This increase from the preceding months—where precipitation steadily rose from just 16 mm in January to 53 mm in March—highlights a dramatic surge that energizes the local ecosystem. As the region transitions into May, this rainfall becomes even more pronounced, with May alone receiving nearly three times April's amount at 449 mm (17.7 in), indicating that the heart of the rainy season is just beginning to unfold. The extended days of rain are a clear sign of nature's awakening, preparing the lush landscape for the months ahead.
In April, Santiago Atitlan experiences a notable shift towards drier conditions, with humidity levels dropping to 57%. This marks a continuation of the decreasing trend observed from January’s high of 76% to March’s 59%. As spring progresses, these lower humidity levels contribute to a more comfortable atmosphere, setting the stage for the slightly higher humidity of May at 65%. This month serves as a transition, highlighting the seasonal fluctuation that defines the region's climate, particularly as the summer months approach and humidity levels begin to rise again in June.
In April, Santiago Atitlán experiences a notably high UV Index of 16, categorizing the exposure as extreme and maintaining a consistent burn time of just 10 minutes. This peak is part of a broader trend observed from January through May, where the UV Index consistently hovers between 11 and 16. Each month showcases a gradual increase, with April marking the apex before a slight dip in May to 15. This data underscores the importance of sun protection during this period, as even brief exposure can lead to burns. For detailed insights throughout the year, check the full Santiago Atitlan UV Index.
UV Risk Categories
April in Santiago Atitlán, Guatemala, brings a delightful embrace of sunshine, offering 311 hours of golden rays. This marks a slight dip from March's impressive 321 hours, yet it remains among the sunniest months of the year. The trend showcases a gradual transition into the wet season, with April still enjoying ample sun before the rain-soaked weeks of May and June begin. As we move through the year, each month presents a vibrant tapestry of sunlight, with February and March leading as the brightest. Overall, the sun-soaked April days create a perfect backdrop for exploring the breathtaking landscapes and rich culture of this enchanting lakeside town.
As April arrives in Santiago Atitlán, Guatemala, the likelihood of sunny weather takes a noticeable dip, dropping to 29% compared to the higher percentages seen at the beginning of the year. Following the generally bright months of January and February, where sunny probabilities hover around 57-59%, April marks a significant transition. This downward trend continues into May with even less sunshine claimed at just 17%. Interestingly, a pattern emerges: while early months enjoy clearer skies, the late spring months, including April and May, experience a marked increase in cloud cover and precipitation. As the rainy season begins to loom in the distance, visitors should be prepared for a mix of weather, with April offering a stark contrast to the sunnier spells that precede it.
In Santiago Atitlan, Guatemala, the daylight duration exhibits a captivating rhythm throughout the year. As spring unfolds, April welcomes a continuation of the longer days established in March, seeing an average of 12 hours of daylight. This extended illumination persists into May and through June, creating a vibrant atmosphere perfect for outdoor activities. Interestingly, the hours of daylight remain consistently steady at 12 hours from March to August, providing a balance of light that supports both day and night life. As the year progresses into the latter months, daylight begins to wane again, tapering to 11 hours in October and remaining consistent through the end of the year. This cyclical pattern of light invites both residents and visitors to relish the warm, sun-kissed days of early spring and early summer.
In April, the winds in Santiago Atitlán exhibit a gentle ebb, with an average speed of 1.6 m/s (4 mph), slightly lower than the preceding months. This trend of diminishing winds continues into May and June, where speeds drop to 1.4 m/s and 1.2 m/s, respectively. However, the April breezes still provide a refreshing touch, perfect for enjoying the natural beauty and tranquility of this scenic lakeside town. As the year progresses, winds gradually pick up again in July, hinting at the dynamic patterns of weather that characterize this enchanting locale. Overall, April serves as a gentle bridge between the breezy qualities of early spring and the calmer days of summer.
Weather in Santiago Atitlan varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Santiago Atitlan, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January exhibit notable differences in weather patterns. April typically showcases milder temperatures, with a minimum of 10°C (50°F), an average of 18°C (64°F), and a maximum of 26°C (79°F). In contrast, January's temperatures are slightly lower, ranging from a minimum of 8°C (47°F) to a maximum of 24°C (76°F), with an average of 16°C (61°F). Additionally, April experiences substantially higher precipitation, measuring 159 mm (6.2 in) over 19 days, while January only accumulates 16 mm (0.6 in) across just 5 days. The humidity levels also differ, with January being more humid at 76% compared to April's 57%. For more detailed information, you can refer to Santiago Atitlan weather in January.
In comparing the weather between April and February, it's noteworthy that both months exhibit similar temperature ranges, with April experiencing a slightly higher average temperature of 18°C (64°F) compared to 17°C (62°F) in February. However, April is significantly wetter, with 159 mm (6.2 in) of precipitation over 19 days, compared to just 34 mm (1.3 in) across 8 days in February. Additionally, February has higher humidity levels at 68%, while April's humidity sits at 57%. For more detailed weather insights, you can check out Santiago Atitlan weather in February.
In comparing the weather patterns of March and April, April generally experiences slightly warmer temperatures, with an average of 18°C (64°F) compared to March's 17°C (63°F). While both months see mild minimum temperatures around 9-10°C (49-50°F), April boasts a maximum temperature of 26°C (79°F), just one degree cooler than March's peak of 27°C (80°F). However, April is significantly wetter, receiving 159 mm (6.2 in) of precipitation over 19 days, compared to March's 53 mm (2.1 in) across only 8 days. The humidity levels are comparable, with April at 57% and March slightly higher at 59%. For more details on the conditions during March, you can check Santiago Atitlan weather in March.
The weather in April and May shows notable differences, particularly in precipitation and humidity. In April, temperatures range from a minimum of 10°C (50°F) to a maximum of 26°C (79°F), with an average temperature of 18°C (64°F) and a total precipitation of 159 mm (6.2 in) across 19 days. In contrast, May features slightly warmer temperatures, with a minimum of 12°C (54°F) and the same maximum of 26°C (78°F), while the average temperature rises to 18°C (65°F). However, May experiences a significant increase in rainfall, totaling 449 mm (17.7 in) over 29 days, and a higher humidity level of 65%. For more detailed information, you can visit Santiago Atitlan weather in May.
When comparing the weather in April and June, both months exhibit mild average temperatures, with April enjoying a slightly warmer maximum temperature of 26°C (79°F) compared to June's peak of 24°C (76°F). However, June experiences a notable increase in precipitation, receiving 405 mm (15.9 in) over 27 days, which is much higher than April's 159 mm (6.2 in) over 19 days. Additionally, June tends to be more humid, with 66% humidity compared to April's 57%. For a detailed overview of what to expect, you can check out Santiago Atitlan weather in June.
In April, the weather features a wider range of temperatures, with minimums around 10°C (50°F) and maximums reaching 26°C (79°F), while the average temperature hovers at 18°C (64°F). Although rainfall is substantial with 159 mm (6.2 in) over 19 days, humidity remains relatively moderate at 57%. In contrast, July presents slightly warmer conditions, with minimum temperatures of 13°C (55°F) and maximums of 25°C (76°F), alongside an average temperature of 18°C (65°F). Precipitation is slightly lower at 157 mm (6.2 in) but occurs over fewer days, at 16 total, contributing to a higher humidity level of 75%. For more details on the specifics, you can check Santiago Atitlan weather in July.
When comparing the weather in April and August, both months experience similar average temperatures, hovering around 18°C (64°F), but the experience can feel quite different. April typically has mild temperatures with a minimum of 10°C (50°F) and a maximum of 26°C (79°F), while August starts slightly warmer with a minimum of 12°C (54°F) but has a slightly lower maximum temperature of 26°C (78°F). However, August sees a significant increase in precipitation, receiving 290 mm (11.4 in) over 24 days compared to April's 159 mm (6.2 in) over 19 days, leading to a more humid environment at 82% compared to April's 57%. For more detailed information on the weather during this month, check out Santiago Atitlan weather in August.
April and September present distinct weather characteristics, with April experiencing milder temperatures, ranging from a minimum of 10°C (50°F) to a maximum of 26°C (79°F), and an average of 18°C (64°F). In contrast, September sees slightly higher minimum temperatures at 12°C (54°F) and a lower maximum of 24°C (75°F), while maintaining the same average of 18°C (64°F). Precipitation in April totals 159 mm (6.2 in) over 19 days, whereas September is considerably wetter, with 358 mm (14.1 in) of rainfall over 26 days, contributing to a significantly higher humidity level of 82% compared to April's 57%. For more detailed insights, you can check Santiago Atitlan weather in September.
April and October exhibit distinct weather patterns, showcasing the transition between the dry and rainy seasons in Santiago Atitlán. In April, temperatures range from a minimum of 10°C (50°F) to a maximum of 26°C (79°F), with an average of 18°C (64°F), along with lower humidity levels at 57%. Precipitation is moderate, totaling 159 mm (6.2 in) over 19 days. In contrast, October experiences slightly warmer temperatures, with a minimum of 12°C (54°F) and a maximum of 24°C (76°F), but has a higher average humidity of 83%. The month is characterized by significantly increased rainfall, with 292 mm (11.5 in) falling over 27 days. These differences highlight October's wetter and more humid climate compared to the milder and drier conditions of April. For more detailed insights into this month, refer to Santiago Atitlan weather in October.
April and November exhibit distinct weather patterns, reflecting the transition of seasons. In April, temperatures range from a minimum of 10°C (50°F) to a maximum of 26°C (79°F), with an average of 18°C (64°F). This month experiences significant precipitation, totaling 159 mm (6.2 in) over about 19 days, coupled with a moderate humidity level of 57%. Conversely, November presents slightly cooler temperatures, with a minimum of 10°C (51°F) and a maximum of 24°C (75°F), resulting in an average of 17°C (63°F). The rainfall significantly decreases to 64 mm (2.5 in) over approximately 10 days, and humidity rises to 80%, contributing to a more humid atmosphere. For a detailed look at the conditions in November, you can refer to Santiago Atitlan weather in November.
In comparing the weather of April and December, we find that April tends to be warmer with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 26°C (79°F), accompanied by higher precipitation levels of 159 mm (6.2 in) over 19 days. The average temperature during this month is around 18°C (64°F), with a moderate humidity of 57%. In contrast, December is cooler, featuring a minimum of 8°C (47°F) and a maximum of 24°C (75°F), along with significantly lower precipitation of only 22 mm (0.9 in) over just 5 days. The average temperature in December is about 16°C (62°F), but it has a higher humidity level of 76%. For more details on December weather, you can refer to this link: Santiago Atitlan weather in December.
April in Santiago Atitlan brings a refreshing blend of mild temperatures and increased rainfall compared to other months. With highs around 26°C and a pleasant average of 18°C, this month invites outdoor enthusiasts to explore its scenic beauty, despite the 19 days of precipitation marking a distinct shift in the climate as the region transitions into its wet season. The humidity levels of 57% further enhance the lush landscapes that define this time of year, making it a unique experience for visitors. For more insights on what to expect throughout the year, check out the detailed Santiago Atitlan Climate.