Last updated: August 21, 2025
In April, Retalhuleu, Guatemala experiences a warm climate characterized by maximum temperatures reaching 37°C (99°F) and an average temperature of 28°C (83°F). The month is marked by high humidity levels at 57%, contributing to a tropical feel. Despite the heat, precipitation is notable with an accumulation of 105 mm (4.1 in) over 17 days, likely bringing refreshing relief amidst the warmth. This combination of heat and moisture creates a vibrant atmosphere, making April an intriguing time to experience the region's unique blend of weather patterns.
In April, Retalhuleu, Guatemala, experiences a pleasant transition into warmer weather, characterized by a minimum temperature of 21°C (70°F) and a peak reaching 37°C (99°F). With an average of 28°C (83°F), the month showcases a slight increase from March, indicating the onset of the hotter season. Notably, temperatures steadily rise as the month progresses, creating an inviting atmosphere for both locals and visitors. As April unfolds, the region feels the gentle embrace of summer, providing a perfect backdrop for outdoor adventures and cultural festivities. This warming trend not only highlights the tropical climate but also sets the stage for the vibrant experiences the area has to offer ahead of the upcoming months.
April marks a significant shift in Retalhuleu's precipitation patterns, as the region experiences a dramatic increase to 105 mm (4.1 in) of rainfall over 17 days. This surge sets the stage for the upcoming rainy season, with April's totals dwarfing those of the earlier months—such as January's 24 mm (1.0 in) and February's 18 mm (0.7 in)—by a considerable margin. This trend reveals a gradual buildup in precipitation, leading into May's deluge of 447 mm (17.6 in), further emphasizing the transition from dry to wet conditions. As the landscape transforms, April serves as both a preview and a precursor to the lush, vibrant greenery that follows in the Guatemalan highlands.
In April, Retalhuleu, Guatemala experiences a notable dip in humidity, settling at 57%—the lowest level recorded for the year. This drop follows a progressive decrease from January's 76% and marks a significant shift compared to the heightened levels that arrive in the following months. As spring transitions into summer, humidity begins to rise again, peaking in August and September at an impressive 82%. The variations in humidity throughout the year reflect a clear trend: while the first half offers comfortable aridity, the latter months usher in a more tropical climate, emphasizing the region's shift from dry to humid conditions.
In April, Retalhuleu, Guatemala, experiences one of its highest UV Index ratings at 14, categorizing it within the extreme exposure category. This signifies a significant risk of harm from unprotected sun exposure, with a burn time of only 10 minutes. As we transition from March’s UV Index of 13, it’s evident that the region is embracing the peak of its sun intensity during this period. This trend highlights the importance of sun safety, as similar extreme levels persist through May and June. For those enjoying the beautiful weather, it’s crucial to remain vigilant about sun protection. To learn more about the UV Index trends throughout the year, visit Retalhuleu UV Index.
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April in Retalhuleu, Guatemala, shines bright with 315 hours of sunshine, making it one of the sunniest months of the year. As spring unfolds, this charming destination experiences a slight dip from the peak of 322 hours in March, yet still enjoys ample daylight for outdoor adventures. Following this pattern, May retains a robust 310 hours of sunshine, while the summer months bring a gentle decrease, with averages settling around the mid-280s in June and September. Overall, the consistent availability of sunlight throughout the year highlights Retalhuleu's inviting climate, making it an alluring getaway for sun-seekers and nature lovers alike.
In Retalhuleu, Guatemala, the likelihood of sunny weather experiences a notable dip in April, with only a 42% chance of sunshine. This marks a significant decrease from the preceding months, notably March's 60%, and contrasts sharply with the brightness of January and February, which boast 65% and 72% chances respectively. As the region transitions into May, the probability plummets further to just 24%, heralding the start of the rainy season. Overall, the trend showcases a clear shift from the sunny beginnings of the year to a more overcast April, setting the stage for the wetter months ahead.
In Retalhuleu, Guatemala, the month of April marks a steady embrace of longer days, with a consistent 12 hours of daylight that began in March and extends through May. This period showcases a trend towards increased sunlight as the region transitions from the cooler, shorter days of winter to the delightful warmth of spring and early summer. Following the daylight pattern, the months of January and February offer shorter days at 11 hours, while the latter half of the year sees a return to 11 hours in October, November, and December. Overall, April stands as a vibrant midpoint in the year, balancing between the fading shorter days and the elongated stretches of daylight that characterize the peak of the dry season.
In Retalhuleu, Guatemala, April brings a gentle breeze with an average wind speed of 1.4 m/s (3 mph), continuing a trend of relatively calm weather seen throughout the early months of the year. This consistent wind pattern, mirroring that of January, February, and March, suggests a tranquil atmosphere ideal for outdoor activities. As spring progresses, the winds gradually soften, dipping to 1.1 m/s (2 mph) by May, then slightly picking up again in June. Overall, the data highlights a serene environment in April, making it a delightful time to experience the region's natural beauty without the interference of strong winds.
Weather in Retalhuleu varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Retalhuleu, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January exhibit distinct differences in weather patterns. In April, temperatures range from a minimum of 21°C (70°F) to a sweltering maximum of 37°C (99°F), with an average of 28°C (83°F). This month is characterized by higher precipitation, totaling 105 mm (4.1 in) over 17 days, contributing to a humidity level of 57%. Conversely, January offers milder conditions, with temperatures ranging from 18°C (65°F) to a maximum of 34°C (93°F) and an average of 26°C (79°F). Precipitation in January is significantly lower at 24 mm (1.0 in) spread over just 6 days, but the humidity is higher at 76%. For more details, you can check the Retalhuleu weather in January.
April is generally warmer than February, with average temperatures reaching up to 28°C (83°F) compared to 27°C (81°F) in February. The maximum temperature in April can soar to 37°C (99°F), slightly higher than February's peak of 36°C (97°F). However, April experiences significantly more rainfall, with 105 mm (4.1 in) over 17 days, while February sees only 18 mm (0.7 in) across just 3 days. Additionally, humidity levels are slightly lower in April at 57% compared to 68% in February. For more details on February weather, you can check Retalhuleu weather in February.
In comparing the weather between March and April, we see that both months experience warm temperatures, with April slightly warmer on average, reaching up to 37°C (99°F) compared to March's maximum of 36°C (96°F). While March has a minimum temperature of 20°C (68°F), April's lowest temperature is just a degree higher at 21°C (70°F). Precipitation also increases noticeably in April, with 105 mm (4.1 in) recorded over 17 days, contrasting with March's 44 mm (1.7 in) over 10 days. Humidity levels are slightly lower in April at 57%, compared to 59% in March. For a detailed look at the weather trends in March, you can refer to Retalhuleu weather in March.
In comparing the weather between April and May, one can observe several notable differences. April experiences a minimum temperature of 21°C (70°F) and averages around 28°C (83°F), with maximum temperatures peaking at 37°C (99°F). This month also sees significant rainfall amounts totaling 105 mm (4.1 in) over approximately 17 days, while maintaining a humidity level of 57%.
In contrast, May has a slightly higher minimum temperature of 22°C (72°F) and a lower average temperature of 27°C (81°F), with maximum temperatures remaining consistent at 37°C (98°F). However, May is characterized by a dramatic increase in precipitation, with a staggering 447 mm (17.6 in) recorded over 31 days, leading to higher humidity levels at 65%. This shift indicates a transition to a wetter and more humid climate as the region moves further into spring and approaches the rainy season. For more details, you can check Retalhuleu weather in May.
In comparing the weather between April and June, April boasts warmer temperatures, with average highs reaching up to 37°C (99°F), while June presents milder highs of 34°C (93°F). However, June experiences significantly more precipitation, accumulating 373 mm (14.7 in) over 29 days compared to April's 105 mm (4.1 in) across 17 days. The humidity also rises in June, averaging 66% compared to April's 57%, contributing to a more humid atmosphere during the month. For more details, you can check the Retalhuleu weather in June.
In April, temperatures in Retalhuleu range from a minimum of 21°C (70°F) to a maximum of 37°C (99°F), with an average temperature of 28°C (83°F). The month experiences about 105 mm (4.1 in) of precipitation over 17 days and maintains a humidity level of 57%. In contrast, July sees slightly cooler temperatures, with a minimum of 21°C (71°F), an average of 27°C (81°F), and a maximum of 34°C (93°F). However, July is markedly wetter, receiving 292 mm (11.5 in) of rainfall spread over 26 days, along with increased humidity at 75%. For a more detailed look at this month's weather, check out Retalhuleu weather in July.
April and August present quite different weather patterns. In April, temperatures range from a minimum of 21°C (70°F) to a maximum of 37°C (99°F), with an average of 28°C (83°F). Precipitation is moderate, totaling 105 mm (4.1 in) across 17 rainy days, coupled with a humidity level of 57%. In contrast, August is generally cooler, with temperatures ranging from 22°C (72°F) to a maximum of 33°C (92°F), and an average of 27°C (80°F). However, it is significantly wetter, experiencing 362 mm (14.3 in) of precipitation over 29 days, along with a higher humidity of 82%. For more specifics on August's weather, visit Retalhuleu weather in August.
In April, the weather in Retalhuleu is characterized by relatively high temperatures, with average highs reaching 37°C (99°F) and a moderate level of humidity at 57%. Rainfall is present but less frequent, with about 105 mm (4.1 in) spread over 17 days. In contrast, September experiences cooler average temperatures, peaking at 34°C (93°F), but with significantly increased precipitation, totaling 418 mm (16.5 in) over 29 days, which leads to a much higher humidity level of 82%. This stark difference in rainfall and humidity makes September a notably wetter and more humid month compared to the warmer and drier April. For more specific details, you can check Retalhuleu weather in September.
April and October present notable differences in weather patterns. In April, temperatures range from a minimum of 21°C (70°F) to a maximum of 37°C (99°F), with an average of 28°C (83°F). This month experiences moderate humidity at 57% and a total precipitation of 105 mm (4.1 in) over 17 days. In contrast, October is slightly cooler with a minimum temperature of 22°C (71°F) and a maximum of 33°C (92°F), averaging 26°C (79°F). However, this month sees substantial rainfall, totaling 378 mm (14.9 in) across 29 days and higher humidity at 83%. For a closer look at the specifics, you can explore Retalhuleu weather in October.
In comparing the weather between April and November, both months exhibit relatively warm temperatures, with April having slightly higher averages. April experiences a minimum temperature of 21°C (70°F) and an average high of 28°C (83°F), peaking at 37°C (99°F). In contrast, November maintains a similar minimum of 21°C (69°F) but has a lower average high of 27°C (80°F), reaching a maximum of 34°C (93°F). Rainfall is comparable in both months, with April receiving 105 mm (4.1 in) over 17 days and November recording 106 mm (4.2 in) over 14 days. Notably, November has a higher humidity level at 80%, compared to April's 57%. For more detailed information, you can check Retalhuleu weather in November.
April and December present quite different weather patterns. In April, temperatures range from a minimum of 21°C (70°F) to a scorching maximum of 37°C (99°F), with an average temperature of 28°C (83°F). The month is characterized by significant precipitation, averaging 105 mm (4.1 in) over 17 days, accompanied by a moderate humidity level of 57%. Conversely, December offers milder temperatures, with a minimum of 19°C (67°F) and a maximum of 34°C (94°F), translating to an average of 26°C (80°F). It also sees considerably less rainfall, totaling 26 mm (1.0 in) over just 6 days, but features a higher humidity level of 76%. For more specific details, you can check Retalhuleu weather in December. Overall, April tends to be hotter and wetter, while December provides a cooler and drier climate.
April in Retalhuleu is characterized by a noticeable shift in weather compared to other months. As temperatures rise, reaching their peak, the warmth becomes more palpable with an average hovering around a balmy 28°C (83°F). This month also introduces a significant increase in rainfall, with 17 days seeing precipitation, contributing to a total of 105 mm. The humidity, sitting at 57%, adds to the tropical atmosphere, making the air feel even warmer. As the region transitions into its wetter season, April stands out for its combination of warmth and moisture, shaping a unique climate experience. For more in-depth insights, check out Retalhuleu Climate.