Last updated: August 21, 2025
January in Retalhuleu, Guatemala brings a delightful blend of warm temperatures and refreshing humidity. The average temperature hovers around 26°C (79°F), with peaks reaching up to 34°C (93°F), providing a pleasant climate for outdoor activities. Nights cool down to a minimum of 18°C (65°F), ensuring comfortable evenings. While the month experiences a modest precipitation amount of 24 mm (1.0 in) over approximately 6 days, the air remains humid at 76%, adding to the tropical feel of this vibrant region. Overall, January offers a charming balance of warmth and occasional rain, ideal for exploring the beauty of Retalhuleu.
In Retalhuleu, Guatemala, January sets the stage for an inviting climate, with temperatures ranging from a pleasant 18°C (65°F) at night to a warm 34°C (93°F) during the day. The average temperature hovers around 26°C (79°F), making it an ideal month for outdoor activities and exploration. As the year progresses, the trend shows a gradual increase in both minimum and maximum temperatures, with February experiencing a slight rise, notably peaking at 36°C (97°F) by the end of the month. This trend continues into April and May, where temperatures can reach up to 37°C (99°F), demonstrating the area's warm climate. However, even as temperatures begin to stabilize in the following months, January remains a standout for those seeking a refreshing yet warm tropical escape.
In January, Retalhuleu, Guatemala experiences moderate precipitation, totaling 24 mm (1.0 in) over approximately 6 days. This marks the beginning of the year with relatively low rainfall compared to the peaks in the following months. As January transitions into February, precipitation slightly decreases to 18 mm (0.7 in), indicating a brief dry spell before the rainy season gains momentum. By March, rainfall begins to escalate with a marked increase to 44 mm (1.7 in), paving the way for the substantial downpours that characterize the months ahead. The trend showcases a gradual buildup towards the intense wet season, where monthly precipitation can exceed 400 mm, underscoring how January serves as a gentle prelude to the tropical rains that define Retalhuleu's climate.
In January, Retalhuleu, Guatemala, experiences a notable humidity level of 76%, strategically setting the stage for the year's climatic profile. As the months progress, the humidity begins to decline, dipping to 68% in February and further to 59% by March, suggesting a brief respite in moisture. However, this trend shifts as the rainy season approaches; by April, humidity stabilizes at 57%, only to rise again by May with 65%, hinting at the return of moist air. The summer months bring a surge, peaking in both August and September at 82%, alongside October's high of 83%, creating a notably humid atmosphere. The year's end sees humidity levels maintain a robust range, with November and December hovering around 80% and 76% respectively, reinforcing Retalhuleu's characteristic tropical climate. This cyclical dance of humidity highlights the region’s transition from the dry to the wet season, marking January as the gateway to Guatemala's lush, verdant months.
In January, Retalhuleu, Guatemala experiences a UV Index of 10, placing it in the very high exposure category, with a burn time of just 15 minutes. This moderate UV intensity hints at the sun becoming increasingly fierce as the year progresses. February kicks off a series of months in the extreme zone, peaking at a UV Index of 14 in April. From February through August, residents and visitors alike should be particularly cautious, as the burn time shrinks to just 10 minutes during these months. As the year winds down, the UV Index drops slightly, returning to 9 in both November and December, where the burn time lengthens again to 15 minutes. These trends underline the importance of sun protection, especially during the peak months. For more detailed insights, check the Retalhuleu UV Index.
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In Retalhuleu, Guatemala, January greets the year with an impressive 257 hours of sunshine, setting a vibrant tone for the months ahead. As the year unfolds, sunshine hours gradually increase, peaking in March with 322 hours, capturing the long, warm days of early spring. The trend continues with robust sunshine throughout the following months, maintaining over 300 hours until April. However, the summer months bring a slight dip, with June recording 280 hours before sunlight begins to rise again in the latter half of the year, showcasing a delightful balance of warmth and brightness. By November and December, the hours rebound impressively, ensuring that the festive season is bathed in abundant sunshine with 302 and 318 hours, respectively. This consistent fluctuation in sunlight makes Retalhuleu an inviting destination for sun-seekers year-round.
In January, Retalhuleu, Guatemala, enjoys a favorable 65% chance of sunny weather, setting the tone for a bright start to the year. As we move into February, this likelihood increases to 72%, making it an ideal time for outdoor activities. However, as the months progress into March and April, the sunshine begins to wane, dropping to 60% and 42%, respectively, as the rainy season looms. By May, the chance of sunny days plummets to just 24%, heralding the arrival of the wet months. Interestingly, the sunshine returns later in the year, with November showing 57% and December peaking at 76%, reminding us of the beautiful, bright days that can be enjoyed in this vibrant region. Overall, January stands out as part of a trend where the early months are marked by a delightful abundance of sunshine, perfect for exploration and enjoyment before the rain sets in.
In Retalhuleu, Guatemala, January marks the beginning of the year with a consistent 11 hours of daylight, a duration that remains steady through February. As March arrives, the days grow slightly longer, welcoming 12 hours of daylight that persist from March through August. This extended daylight creates a vibrant atmosphere, perfect for outdoor activities and exploration. As summer transitions into autumn, daylight begins to wane again, with October through December reverting back to 11 hours, providing a comforting rhythm to the seasonal changes. This clear pattern of sunlight reflects the region's tropical climate, inviting visitors to enjoy the natural beauty throughout the year.
In January, Retalhuleu, Guatemala, experiences mild breezes with an average wind speed of 1.4 m/s (3 mph). This sets the tone for a month characterized by a gentle, refreshing air that lingers throughout the region. Interestingly, January's wind conditions remain consistent with both March and April, reflecting a trend of stable airflow that persists early in the year. As the months progress towards the heart of summer, the wind speed slightly fluctuates, dipping to 1.1 m/s (2 mph) by May, before gradually climbing back to 1.3 m/s (3 mph) in December. This overall pattern highlights a serene wind environment, perfect for enjoying the enchanting landscapes of Guatemala without the distractions of stronger gusts.
Weather in Retalhuleu varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Retalhuleu, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February both feature warm temperatures, but February tends to be slightly hotter and drier. In January, temperatures range from a minimum of 18°C (65°F) to a maximum of 34°C (93°F), with an average temperature of 26°C (79°F) and 24 mm of precipitation over 6 days. Conversely, February experiences a minimum of 19°C (66°F) and a higher maximum of 36°C (97°F), with an average temperature of 27°C (81°F) and only 18 mm of precipitation over just 3 days. Additionally, February's humidity is lower at 68%, compared to January’s 76%, making it feel a bit more comfortable. For more details, you can check Retalhuleu weather in February.
The weather in January is generally warm, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 34°C (93°F) and relatively high humidity at 76%. Precipitation is light, with about 24 mm (1.0 in) falling over approximately 6 days. In contrast, March brings even warmer conditions, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 36°C (96°F). This month also experiences increased rainfall, totaling 44 mm (1.7 in) over 10 days, though the humidity drops to 59%, creating a more comfortable atmosphere compared to January. For more details on March weather, you can visit Retalhuleu weather in March.
In January, the weather is generally warm with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 34°C (93°F), with an average of 26°C (79°F). It experiences relatively low precipitation at 24 mm (1.0 in) over about 6 days and has a high humidity level of 76%. In contrast, April is hotter, showing a minimum temperature of 21°C (70°F) and reaching up to 37°C (99°F), averaging 28°C (83°F). However, April is also much wetter, with a significant rise in precipitation to 105 mm (4.1 in) over 17 days, while humidity drops to 57%. Overall, January is characterized by milder temperatures and less rain, whereas April brings higher temperatures and more frequent rainfall, as detailed in this link: Retalhuleu weather in April.
In January, the weather in Retalhuleu is characterized by a warm climate, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 34°C (93°F) and an average of 26°C (79°F). The month sees relatively low precipitation, with only 24 mm (1.0 in) over six days and a humidity level of 76%. In contrast, May brings hotter temperatures, with a minimum of 22°C (72°F) and a maximum of 37°C (98°F), and an average temperature of 27°C (81°F). However, May is significantly wetter, experiencing 447 mm (17.6 in) of rain over 31 days, despite a lower humidity of 65%. For more details, you can check Retalhuleu weather in May.
In January, the weather is characterized by a warm climate with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 34°C (93°F), and an average of 26°C (79°F). The month experiences relatively low precipitation of 24 mm (1.0 in) over just 6 days, accompanied by higher humidity at 76%. In contrast, June sees a slight increase in minimum temperature to 22°C (72°F) and a stable maximum temperature of 34°C (93°F), with an average of 27°C (80°F). However, June is significantly wetter, receiving 373 mm (14.7 in) of rain over 29 days, while humidity drops to 66%. For a more detailed look at June's weather, you can check out Retalhuleu weather in June.
When comparing the weather in January and July, we can observe some notable differences. January boasts a milder climate with average temperatures ranging from 18°C (65°F) to 34°C (93°F) and relatively low precipitation levels at 24 mm (1.0 in) over just 6 days. In contrast, July experiences slightly warmer minimum temperatures, starting at 21°C (71°F), while the maximum remains the same at 34°C (93°F). However, July is characterized by significantly higher rainfall, with 292 mm (11.5 in) distributed over 26 days, resulting in a more humid atmosphere at 75%. For more detailed information, check out Retalhuleu weather in July.
In January, the weather is generally warm, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 34°C (93°F), and an average temperature of 26°C (79°F). Rainfall is relatively low, with only 24 mm (1.0 in) recorded over about 6 days and humidity at 76%. In contrast, August experiences slightly warmer temperatures, with a minimum of 22°C (72°F), an average of 27°C (80°F), and a maximum of 33°C (92°F). However, August is significantly wetter, with a staggering 362 mm (14.3 in) of precipitation over 29 days and increased humidity at 82%. For more detailed information, check out Retalhuleu weather in August.
The weather in January features warm temperatures with a minimum of 18°C (65°F) and an average of 26°C (79°F), peaking at a maximum of 34°C (93°F). The month sees relatively low precipitation, totaling 24 mm (1.0 in) over about 6 days and maintaining a humidity level of 76%. In contrast, September experiences slightly warmer nights with a minimum temperature of 21°C (71°F) while the average remains the same at 26°C (80°F) and also peaks at 34°C (93°F). However, it significantly ups the ante with heavy rainfall totaling 418 mm (16.5 in) spread over 29 days, along with increased humidity at 82%. For more details on September's weather, you can check Retalhuleu weather in September.
In January, the weather tends to be warmer and drier in comparison to October. With temperatures ranging from a minimum of 18°C (65°F) to a maximum of 34°C (93°F) and only 24 mm of precipitation over about six days, January offers a more comfortable climate. In contrast, October experiences higher humidity at 83% and significantly more rainfall, tallying up to 378 mm (14.9 in) across 29 days, making it the wettest month of the year. Both months share an average temperature of 26°C (79°F), but the substantial difference in precipitation levels and humidity marks October as a notably rainier period. For more specifics on October weather, you can check Retalhuleu weather in October.
In comparing January and November weather, January features slightly cooler temperatures, with a minimum of 18°C (65°F), an average of 26°C (79°F), and a maximum of 34°C (93°F). The month sees a total precipitation of 24 mm (1.0 in) over approximately 6 days, along with a humidity level of 76%. In contrast, November experiences warmer minimum temperatures at 21°C (69°F) and a higher average of 27°C (80°F) while maintaining the same maximum of 34°C (93°F). Notably, November also has significantly increased precipitation at 106 mm (4.2 in) spread over about 14 days, contributing to a higher humidity of 80%. For more details, you can check the link: Retalhuleu weather in November.
In comparing the weather between January and December, we find that both months have similar average temperatures, with January experiencing a minimum of 18°C (65°F) and December slightly warmer at a minimum of 19°C (67°F). Both months also have maximum temperatures that peak at 34°C (93°F) in January and 34°C (94°F) in December, indicating a consistent heat throughout this period. Precipitation levels are comparable, with January receiving 24 mm (1.0 in) over 6 days and December slightly higher at 26 mm (1.0 in) over the same number of days. Humidity remains steady in both months at 76%, contributing to the overall tropical feel. For more detailed information, you can visit Retalhuleu weather in December.
In January, Retalhuleu experiences a refreshing transition from the drier months, marked by an increase in humidity and occasional precipitation. With average temperatures hovering around a comfortable 26°C (79°F), days are warm but not oppressive, making it a pleasant time for outdoor activities. This month typically sees more rain than the preceding months, with a few damp days scattered throughout, which rejuvenates the lush landscapes. The shift in weather patterns can be quite a relief for those seeking a break from the hotter, dryer conditions of the earlier part of the year. For more insights into how the climate evolves throughout the year, visit Retalhuleu Climate.