Last updated: August 21, 2025
May in Retalhuleu, Guatemala showcases a tropical climate characterized by high temperatures and significant rainfall. With maximums reaching a sweltering 37°C (98°F) and an average of 27°C (81°F), the month offers a warm atmosphere, while nighttime lows descend to a comfortable 22°C (72°F). Rain is a constant companion, as May experiences 447 mm (17.6 in) of precipitation over 31 days, resulting in a humid environment with an average humidity of 65%. This combination makes May a lush, vibrant month, ideal for appreciating the region's natural beauty amidst the tropical downpours.
In Retalhuleu, Guatemala, May welcomes warmer temperatures, showcasing a minimum of 22°C (72°F) and peaking at a maximum of 37°C (98°F). The average temperature holds steady at 27°C (81°F), similar to the preceding months of April and June. This month marks a continuation of the upward trend seen from January through April, where temperatures gradually increased, reflecting a shift into the hotter season. With highs reaching their peak, May serves as a precursor to the intense heat of the summer months ahead, while still providing relatively mild evenings as daylight gives way to night.
May in Retalhuleu, Guatemala, marks the peak of the wet season, where precipitation dramatically surges to an astounding 447 mm (17.6 in). This substantial rainfall occurs over the entire month, translating to an impressive 31 days of precipitation, underscoring May's reputation as a time of relentless showers. Following the upward trend established in April, which recorded 105 mm (4.1 in), May's deluge sets the stage for the wettest months ahead, making it a crucial time for local agriculture. As the rains continue into June and beyond, with 373 mm (14.7 in) next in line, the lush landscapes thrive, showcasing the transformative power of this vibrant season.
In May, Retalhuleu experiences a moderate humidity level of 65%, marking a slight increase from the drier months of March and April. This uptick indicates the beginning of the wet season, as humidity levels are on the rise leading into the summer months. As temperatures warm throughout the year, it becomes evident that humidity in Retalhuleu will continue to climb, peaking in August and October at remarkable 82% and 83%, respectively. Thus, May serves as a pivotal transition, offering a glimpse of the tropical climate that defines the region during the forthcoming rainy season.
As you step into May in Retalhuleu, Guatemala, prepare for another month of intense sunlight with a UV Index of 13, classified as extreme. This prompts a cautious approach, as the burn time is a mere 10 minutes. Following a trend seen since February, the UV levels remain consistently high, underscoring the need for sun protection. Notably, the UV Index in May is on par with the preceding month, April, where the UV Index peaked at 14. As the days grow warmer, it's essential to stay vigilant against UV exposure not just in May, but throughout this sun-soaked season. For more details on UV levels and how to protect yourself, check out Retalhuleu UV Index.
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In Retalhuleu, Guatemala, the month of May brings a delightful continuation of ample sunshine, with 310 hours of bright days to enjoy. As spring transitions into summer, the sun remains consistently generous, mirroring the patterns set in the preceding months. Notably, the hours of sunlight in May are only slightly less than the peak of March's 322 hours, showcasing a robust start to the dry season. Following May, the solar embrace remains strong as the hours taper gently in June to 280 hours, revealing a trend of reliability in sunshine that characterizes this charming region. Overall, the month of May perfectly exemplifies the thriving, warm environment that Retalhuleu offers throughout the year.
As May approaches in Retalhuleu, Guatemala, the likelihood of sun takes a noticeable dip, plummeting to 24%, a stark contrast to the more promising 65% in January and 76% in December. This decline is part of a broader trend seen as the year progresses; from April's 42% chance, the shift suggests that the region is transitioning toward its wetter months. The sunny days dwindle significantly in the early summer, with June experiencing just a 9% chance of sunshine. As you plan your activities in May, anticipate a mix of clouds and occasional rain, which are more characteristic of this time in the season.
In Retalhuleu, Guatemala, the daylight duration showcases a captivating rhythm throughout the year. From January to February, residents enjoy a consistent 11 hours of daylight, setting a gentle tone for the year. As March arrives, daylight increases to 12 hours, a trend that continues through April and remains steady from May to August, presenting ample time for outdoor activities and exploration. Interestingly, from September back to October, the daylight dips slightly to 11 hours, returning to that earlier rhythm, before settling into shorter days from November to December. This predictable yet vibrant cycle highlights the unique climatic embrace Retalhuleu offers, making it a delightful place to appreciate the sun's journey across the sky.
In Retalhuleu, Guatemala, May marks a shift in the area's wind patterns, with average wind speeds dipping to 1.1 m/s (2 mph)—the lowest recorded this year. Following a consistent performance in the earlier months, where winds hovered around 1.4 to 1.5 m/s, this reduction hints at the onset of the rainy season. As the summer months approach, wind speeds begin to pick up slightly, but May's gentle breezes might invite a tranquil pause, offering residents and visitors a moment of calm amidst the vibrant life of this beautiful region. Overall, the data showcases a seasonal ebb and flow, reflective of the changing climate, with May serving as a noteworthy transition point.
Weather in Retalhuleu varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Retalhuleu, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present contrasting weather patterns. In May, temperatures range more widely, with a minimum of 22°C (72°F) and highs reaching up to 37°C (98°F), making it significantly hotter than January, where temperatures peak at 34°C (93°F). Additionally, May is characterized by heavy rainfall, accumulating 447 mm (17.6 in) over 31 days, while January experiences much lighter precipitation of just 24 mm (1.0 in) over only 6 days. The humidity is also lower in May at 65%, compared to January's higher humidity level of 76%. For more specifics on January weather, you can check Retalhuleu weather in January.
In comparing the weather between May and February, both months experience similar average temperatures of around 27°C (81°F). However, May tends to be significantly warmer with maximum temperatures reaching up to 37°C (98°F), compared to February's peak of 36°C (97°F). Precipitation is a notable difference, as May receives a substantial 447 mm (17.6 in) over 31 days, while February has minimal rainfall, only 18 mm (0.7 in) across just 3 days. This makes February not only drier but also slightly more humid at 68%, compared to May's 65% humidity. For more details, you can check out Retalhuleu weather in February.
When comparing the weather in May and March, it's clear that May brings notably warmer temperatures, with a minimum of 22°C (72°F) and an average of 27°C (81°F), compared to March's minimum of 20°C (68°F) and average of 28°C (82°F). However, March has slightly cooler peaks with a maximum of 36°C (96°F), while May climbs higher, reaching up to 37°C (98°F).
A significant difference between the two months is the precipitation: May experiences much heavier rainfall, accumulating 447 mm (17.6 in) over 31 days, whereas March's rainfall is considerably lighter, totaling only 44 mm (1.7 in) across 10 days. Additionally, humidity levels are higher in May at 65%, compared to March's 59%. For more details, you can check Retalhuleu weather in March.
May experiences slightly warmer temperatures than April, with minimums of 22°C compared to April's 21°C, and an average temperature of 27°C in May, just one degree cooler than April's 28°C. Both months share a maximum temperature of 37°C; however, May is significantly wetter, receiving 447 mm of precipitation over 31 days, while April only sees 105 mm over 17 days. Additionally, May's humidity is higher at 65%, compared to April's 57%. For a more detailed look at April weather in Retalhuleu, you can check Retalhuleu weather in April.
In May, the weather is characterized by higher maximum temperatures reaching up to 37°C (98°F) and substantial rainfall, totaling 447 mm (17.6 in) over 31 days. This month also sees an average temperature of 27°C (81°F) with humidity levels around 65%. In contrast, June offers a slightly cooler experience with maximum temperatures capped at 34°C (93°F) and less precipitation at 373 mm (14.7 in) spread across 29 days. The average temperature remains similar at 27°C (80°F), with humidity increasing slightly to 66%. For more details on June weather, you can check Retalhuleu weather in June.
In comparing the weather of May and July, both months exhibit similar average temperatures, hovering around 27°C (81°F). However, May experiences higher overall temperatures, with a maximum reaching 37°C (98°F), while July peaks at a lower maximum of 34°C (93°F). Precipitation is significantly reduced in July, with 292 mm (11.5 in) falling over 26 days compared to May's 447 mm (17.6 in) over 31 days. Additionally, July's humidity is slightly higher at 75%, compared to May's 65%. For more details, check out Retalhuleu weather in July.
In comparing the weather between May and August, both months exhibit similar minimum temperatures, hovering around 22°C (72°F). However, May typically experiences a higher average temperature of 27°C (81°F), peaking at a scorching 37°C (98°F), while August sees a lower maximum of 33°C (92°F). Precipitation is notable in both months, with May receiving more rainfall at 447 mm (17.6 in) over 31 days, compared to August's 362 mm (14.3 in) over 29 days. The humidity levels are also higher in August at 82%, versus May's 65%, making August feel more muggy. For a more detailed look at August weather, you can check Retalhuleu weather in August.
In comparing the weather of May and September, we observe some notable differences. May tends to be slightly hotter, with minimum temperatures averaging around 22°C (72°F) and maximums reaching up to 37°C (98°F). In contrast, September is cooler, with an average temperature of 26°C (80°F) and maximums capping at 34°C (93°F). Precipitation levels are quite high in both months, with May experiencing 447 mm (17.6 in) over 31 days, while September sees a slightly lower amount of 418 mm (16.5 in) over 29 days. Additionally, September has higher humidity at 82% compared to May's 65%. For more details, you can visit Retalhuleu weather in September.
May and October present distinctly different weather profiles. In May, temperatures can reach a high of 37°C (98°F) with an average of around 27°C (81°F), compared to October, where the maximum temperature peaks at a cooler 33°C (92°F) and averages 26°C (79°F). While both months start with minimum temperatures around 22°C (72°F), May tends to be drier with significant rainfall of 447 mm (17.6 in) over 31 days. In contrast, October experiences slightly less precipitation at 378 mm (14.9 in) but maintains a higher humidity level of 83% for 29 days. For a deeper look into the October weather conditions, you can explore Retalhuleu weather in October.
May and November present contrasting weather conditions, despite their similar average temperatures. In May, temperatures can peak at a scorching 37°C (98°F) with high humidity levels at 65%, leading to an overall warmer atmosphere. However, May is characterized by significant precipitation, totaling 447 mm (17.6 in) over 31 days, creating a lush landscape but also frequent rain interruptions. In contrast, November features slightly cooler temperatures, with a maximum of 34°C (93°F) and higher humidity at 80%, yet it experiences much less rainfall, accumulating only 106 mm (4.2 in) across 14 days. For more details on November's weather, you can visit Retalhuleu weather in November.
May experiences significantly warmer temperatures compared to December, with minimums around 22°C (72°F) and maximums reaching up to 37°C (98°F). In contrast, December features milder temperatures, with a minimum of 19°C (67°F) and a maximum of 34°C (94°F). Additionally, May is notably wetter, receiving 447 mm (17.6 in) of precipitation over 31 days, while December has much lighter rainfall totaling only 26 mm (1.0 in) across 6 days. Humidity is higher in December at 76%, compared to May's 65%. For more detailed weather information, you can visit Retalhuleu weather in December.
As May unfolds in Retalhuleu, the weather takes on a distinct character, offering a mix of warmth and wetness that sets it apart from other months. Unlike the drier season, this month showcases a significant rise in rainfall, with daily showers contributing to an overall humid atmosphere. The average temperatures hover pleasantly in the 27°C range, while peaks can reach a scorching 37°C, making it a time when the hot sun meets refreshing downpours. This combination of heat and humidity creates a vibrant, lush landscape, fostering a unique environment for both residents and visitors. For those keen on understanding more about the region's shifting climate patterns, check out Retalhuleu Climate.