Last updated: August 21, 2025
Experience the October weather in Retalhuleu, Guatemala, where the tropical climate welcomes you with maximum temperatures soaring to 33°C (92°F) and a comfortable average of 26°C (79°F). Despite the warm days, be prepared for frequent rain, as the month sees 29 days of precipitation, totaling an impressive 378 mm (14.9 in). Humidity hovers around a muggy 83%, enhancing the lush, vibrant scenery that characterizes this beautiful region. October's blend of warmth and rainfall invites both adventure and tranquility, making it an enticing time to explore Retalhuleu’s natural beauty.
In October, the temperatures in Retalhuleu, Guatemala reflect a pleasant transition as the region nears the end of its rainy season. With morning lows averaging around 22°C (71°F), the days maintain a comfortable balance, reaching daily highs of 33°C (92°F). This month sees a slight dip in the overall average temperature to 26°C (79°F), mirroring September's trends, which suggests a gradual cool-down from the warmer months earlier in the year. The consistent warmth, alongside lower humidity, makes October an inviting time to explore the vibrant culture and stunning landscapes of Retalhuleu. A perfect blend of warmth without the oppressive heat of summer, October offers a sweet spot for both residents and visitors alike.
In October, Retalhuleu, Guatemala experiences a significant amount of rainfall, with 378 mm (or 14.9 in) of precipitation, maintaining the region’s reputation for being one of the wettest months of the year. This trend follows the peak rainy season established in May through September, where precipitation amounts consistently exceed 400 mm. Interestingly, October shares its total with June in terms of volume but stands out with a constant 29 rainy days, mirroring the heavy downpours characteristic of the preceding months. As daylight hours diminish, the frequent rains continue to nourish the lush landscapes, marking a gradual transition towards drier conditions in the coming months of November and December. Such patterns highlight the tropical climate's influence, making October a crucial month in Retalhuleu's hydrological cycle.
As October rolls into Retalhuleu, Guatemala, humidity peaks at 83%, marking it as one of the dampest months of the year. This increased moisture is part of a noticeable trend, as the region experiences a gradual rise in humidity from the dry months of late winter and early spring. Starting at 59% in March, levels climbed steadily, reaching their annual highs in August and September with 82%. In contrast, October not only sustains this high humidity but slightly surpasses it, indicating the lingering effects of the rainy season. Following this peak, humidity dips again in November, showcasing a typical seasonal ebb and flow that characterizes Guatemala's climate.
In October, Retalhuleu, Guatemala, experiences a UV Index of 12, contributing to an extreme exposure category with a burn time of just 10 minutes. This month continues the trend set earlier in the year, where values remained high, particularly from February through September, peaking at 14 in April. As the year winds down, November and December show a slight decrease in the UV Index, dropping to 9, signaling a return to very high levels of sun exposure. Awareness of these fluctuations is crucial for sun safety; for more detailed insights, check out Retalhuleu UV Index.
UV Risk Categories
October in Retalhuleu, Guatemala, offers a delightful transition from the lingering wet season to the drier months, with 278 hours of sunshine illuminating the landscape. This period marks a slight dip from the vibrant summer months, where hours peaked at 322 in March and ranged around 310 in May, conveying a strong sense of brightness and warmth. Notably, October's sunlight, while less than the previous month, still contributes to the overall cheerful ambiance, especially when compared to the region's cooler, greyer months like June and September. As the days start to shorten, the charm of October is found in the post-rain freshness of the surroundings, making it a perfect time for exploration and outdoor activities under the pleasant Guatemalan sun.
In Retalhuleu, Guatemala, the likelihood of sunny weather significantly fluctuates throughout the year. Starting with a robust 65% chance of sunshine in January, the months gradually see a shift with the sunniest periods predominating from November to February, peaking at an impressive 76% in December. However, as the year progresses into the rainy season, particularly from May to September, the sunshine diminishes sharply, reaching a low of 9% in June. By October, the chance of sunny weather rises slightly to 31%, marking a transition toward the drier months. This trend illustrates how October serves as a bridge between the wet and dry seasons, offering a moderate chance for sun amid its rainier counterparts.
In Retalhuleu, Guatemala, the daylight duration exhibits a rhythmic pattern throughout the year. January and February welcome consistent 11 hours of daylight, setting a tranquil tone for the year. As spring approaches in March, the daylight stretches to 12 hours, a trend that continues through the summer months, peaking at 12 hours from March to September. However, come October, daylight recedes slightly to 11 hours, mirroring the shorter days of November and December. This cyclical dance of light reflects the region's stable climate, with a notable shift towards longer days leading into the vibrant summer months before gracefully transitioning back to shorter daylight hours by the year's end.
In Retalhuleu, Guatemala, the weather patterns reveal a gentle whisper of wind throughout the year, with October marking a notably tranquil period. The average wind speed dips to 1.1 m/s (2 mph), making it one of the calmest months alongside November. This decrease follows a string of slightly higher winds during the preceding months, where speeds hover around 1.3 to 1.5 m/s (3 mph). As the region transitions from the more breezy late summer to the serene autumn, October offers a perfect backdrop for those seeking a peaceful escape, as nature envelops the landscape in a softer, quieter embrace. The consistent, mild winds throughout the earlier months create a charming contrast, highlighting October's soothing ambiance and setting the stage for the lush beauty that thrives in the heart of Guatemala.
Weather in Retalhuleu varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Retalhuleu, focusing on differences in temperature, rainfall, humidity, and UV levels.
In October, the weather tends to be warmer and wetter compared to January, with average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 33°C (92°F). This month also experiences significant rainfall, totaling 378 mm (14.9 inches) over 29 days, leading to high humidity levels of 83%. In contrast, January offers milder conditions, featuring a minimum of 18°C (65°F) and a maximum of 34°C (93°F), but with much less precipitation at just 24 mm (1.0 inch) over only 6 days and lower humidity at 76%. For more details about January weather, you can check Retalhuleu weather in January.
In October, the weather is characterized by warmer temperatures, with a minimum of 22°C (71°F) and a maximum of 33°C (92°F), along with high humidity at 83%. However, it also brings significant rainfall, with 378 mm (14.9 in) spread over 29 days, making it quite a wet month. In contrast, February enjoys slightly cooler minimum temperatures at 19°C (66°F) and higher maximum temperatures reaching 36°C (97°F), but it is much drier, receiving only 18 mm (0.7 in) of precipitation over just 3 days and lower humidity of 68%. For a more detailed look at February weather, check out Retalhuleu weather in February.
When comparing the weather in October and March, notable differences emerge. October typically experiences a warmer average temperature of 26°C (79°F), with maximum highs reaching up to 33°C (92°F). However, it is characterized by significant rainfall, totaling 378 mm (14.9 in) over 29 days, paired with high humidity levels of 83%. In contrast, March presents slightly cooler average temperatures at 28°C (82°F), with maximums peaking at 36°C (96°F). Precipitation in March is minimal, amounting to just 44 mm (1.7 in) over 10 days, and humidity is significantly lower at 59%. For more details on March weather patterns, you can visit Retalhuleu weather in March.
When comparing the weather in October and April, a few notable differences stand out. October tends to be slightly cooler with temperatures averaging 26°C (79°F), while April reaches an average of 28°C (83°F) but can peak at a scorching 37°C (99°F). Notably, October is much wetter, receiving 378 mm (14.9 in) of precipitation over 29 days, compared to April’s 105 mm (4.1 in) across 17 days. Additionally, October maintains a higher humidity level at 83%, while April features a drier atmosphere with humidity at 57%. For more detailed insights, you can check Retalhuleu weather in April.
When comparing the weather in October and May, both months exhibit warm temperatures, but there are notable differences. October's average temperature ranges from a minimum of 22°C (71°F) to a maximum of 33°C (92°F), while May is slightly warmer, with temperatures reaching up to 37°C (98°F). Precipitation is another significant factor, with October experiencing 378 mm (14.9 inches) of rain over 29 days, whereas May records a higher total of 447 mm (17.6 inches) over 31 days. Additionally, October's high humidity at 83% contrasts with May's reduced humidity level of 65%, making May feel less muggy despite its higher temperatures. For more detailed information, you can check Retalhuleu weather in May.
When comparing the weather in October and June, both months exhibit similar minimum temperatures around 22°C (71°F) to 22°C (72°F) and average temperatures close to 26°C (79°F) in October and 27°C (80°F) in June. However, October typically sees slightly higher maximum temperatures peaking at 33°C (92°F), compared to June's maximum of 34°C (93°F). Precipitation is quite comparable, with October receiving 378 mm (14.9 in) and June around 373 mm (14.7 in), both spread over 29 days. The humidity is notably higher in October at 83%, while June's humidity is lower at 66%, making June feel somewhat less muggy. For more details, you can check Retalhuleu weather in June.
When comparing the weather in October to that of July, we notice distinct differences in temperature and precipitation. In October, temperatures range from a minimum of 22°C (71°F) to a maximum of 33°C (92°F), with an average of 26°C (79°F). July, on the other hand, tends to be slightly warmer, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 34°C (93°F), averaging around 27°C (81°F).
Precipitation also varies between the two months; October experiences heavier rainfall, with a total of 378 mm (14.9 in) across 29 days, while July sees 292 mm (11.5 in) over 26 days. Additionally, October's humidity is noticeably higher at 83%, compared to July’s 75%. For a closer look at July weather specifics, you can visit this link: Retalhuleu weather in July.
In comparing the weather between August and October, we see some notable similarities and minor differences. Both months feature minimum temperatures around 22°C (71-72°F) and maximum temperatures that peak at 33°C (92°F). However, October has a slightly lower average temperature of 26°C (79°F) compared to August's 27°C (80°F). Precipitation levels are quite comparable as well, with October receiving 378 mm (14.9 in) over 29 days, just a tad higher than August's 362 mm (14.3 in) also across 29 days. Humidity is slightly elevated in October at 83% compared to 82% in August. For more insights, check out Retalhuleu weather in August.
In comparing the weather between October and September, we see some notable similarities and differences. Both months have an average temperature of around 26°C (79°F), with October slightly cooler at a maximum of 33°C (92°F) compared to September's 34°C (93°F). Precipitation levels decreased in October, with 378 mm (14.9 in) received over 29 days, while September had higher rainfall at 418 mm (16.5 in) over the same number of days. Humidity levels remain relatively high in both months, with October at 83% and September slightly lower at 82%. For more detailed insights into September's weather trends, you can refer to Retalhuleu weather in September.
October and November exhibit similar warm temperatures, with averages of 26°C (79°F) in October and 27°C (80°F) in November. However, October experiences significantly higher precipitation, with 378 mm (14.9 in) over 29 days, compared to November's 106 mm (4.2 in) over just 14 days. Additionally, humidity remains high in both months, at 83% in October and 80% in November. This reduction in rainfall and slight drop in humidity makes November a more favorable time for outdoor activities. For more detailed insights, you can visit Retalhuleu weather in November.
In October, the weather in Retalhuleu is typically warm and humid, with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 33°C (92°F) and an average of 26°C (79°F). This month experiences significant rainfall, with an average precipitation of 378 mm (14.9 in) spread over 29 days, contributing to a high humidity level of 83%. In contrast, December sees a slight drop in minimum temperature to 19°C (67°F), while the maximum can still reach up to 34°C (94°F), maintaining a similar average of 26°C (80°F). However, December boasts much lower rainfall, with only 26 mm (1.0 in) of precipitation across just 6 days and a humidity level of 76%. For more details on December weather in Retalhuleu, you can refer to Retalhuleu weather in December.
As October unfolds in Retalhuleu, the weather takes on a unique character, marked by its high humidity and frequent rain showers. This month typically experiences some of the highest precipitation levels of the year, with nearly every day bringing a chance of rain, creating a lush and vibrant landscape. The temperatures remain warm, but the abundance of moisture can make it feel even more sultry compared to the drier months. October’s blend of heat and rain sets it apart from the rest of the year, making it a time of transformation in this beautiful region. For a deeper insight into the shifts in weather patterns, explore Retalhuleu Climate.