Last updated: August 21, 2025
January in Santiago Atitlán, Guatemala offers a delightful blend of mild temperatures and lush landscapes. With daytime highs peaking at 24°C (76°F) and nighttime lows dipping to a cool 8°C (47°F), visitors can enjoy comfortable weather. The average temperature rests at a pleasant 16°C (61°F), making it an ideal time for exploration. While the month accumulates about 16 mm (0.6 in) of precipitation over 5 days, the humidity level remains around 76%, adding to the vibrant ambiance of the region. Overall, January presents a wonderful opportunity for travelers to experience the scenic beauty of Santiago Atitlán under serene and temperate conditions.
In January, Santiago Atitlán greets visitors with a brisk minimum temperature of 8°C (47°F), gradually rising to a comfortable average of 16°C (61°F) before reaching a pleasant maximum of 24°C (76°F). As the month unfolds, temperatures remain fairly stable, showcasing a slight warming trend as the region transitions into February, when nighttime lows slightly increase and daytime highs push up to 26°C (79°F). This moderate climate tends to linger through the early months of the year, with March and April showing only subtle fluctuations, maintaining an inviting atmosphere perfect for exploring the stunning landscapes. Overall, January sets a refreshing tone, with cool mornings and balmy afternoons, making it an ideal time to experience the beauty and culture of this charming Guatemalan destination.
In January, Santiago Atitlán experiences relatively low precipitation, with only 16 mm (0.6 in) falling over an average of 5 days. This marks the beginning of a gradual increase in rainfall as the year progresses, culminating in the region’s wettest months, May and June, where precipitation can exceed 400 mm (15.9 in). Notably, the rise in both rainfall amounts and the number of rainy days begins in February, indicating a shift towards a more humid tropical climate. By April, the rainy season begins to intensify, foreshadowing the lush greenery that the region is renowned for. Overall, January serves as a tranquil prelude to the vibrant, rain-soaked months that follow.
In January, Santiago Atitlán experiences a humidity level of 76%, setting a tone of moisture that lingers through the early months of the year. As the calendar flips to February, there's a noticeable dip to 68%, hinting at a brief respite before humidity gradually rises again. The trend continues to decline, reaching its lowest point of 57% in April, only to rebound as the wet season approaches. By the summer months, particularly in August and September, humidity soars to 82%, peaking alongside the heavy rains of October at 83%. This cycle illustrates a clear pattern: January's humidity, while relatively high, is just the precursor to much more humid conditions that define the latter part of the year, creating a lush and vibrant atmosphere typical of the region's tropical climate.
In January, Santiago Atitlan experiences a UV Index of 11, maintaining an extreme exposure category with a burn time of just 10 minutes. This sets the stage for a month characterized by intense sun exposure, a trend that continues through the following months. Interestingly, while the UV Index gradually increases, peaking at 16 in April, the burn time remains at a consistent 10 minutes, emphasizing the need for sun protection. Even as the UV levels fluctuate slightly in the latter months, they remain challenging, with values hovering between 14 and 15. As summer approaches and the days lengthen, it's crucial for visitors and locals alike to stay vigilant against UV rays. For more detailed insights, check out the full report on the Santiago Atitlan UV Index.
UV Risk Categories
January in Santiago Atitlán, Guatemala, shines brightly with an impressive 251 hours of sun, setting a warm tone for the year. As the months progress, the sunshine only intensifies, peaking in March with a remarkable 321 hours. This golden trend continues through April and May, offering near-constant sunlight ideal for outdoor adventures and cultural exploration. As summer arrives, the sunshine remains abundant in July and August, with 314 and 306 hours respectively, providing a radiant backdrop for local festivities. However, as the year winds down, the hours gradually decline to 276 in October and stabilize around 311 hours in December, wrapping up the year with a balmy glow. Overall, Santiago Atitlán boasts a spectacular and consistent sun-filled climate that draws travelers seeking warmth and beauty throughout the year.
In January, Santiago Atitlan enjoys a favorable 57% chance of sunny weather, making it one of the brighter months in the area. As winter transitions into early spring, this likelihood is slightly lower than February's 59%, but still significantly higher than the less sunny months that follow. With sunshine diminishing markedly in the late spring and summer, where chances dip to as low as 9% in June and 14% in August, January’s sun-filled days provide a splendid opportunity for visitors to experience the breathtaking beauty of Lake Atitlan and its surroundings. As the year progresses, the chance of sunny days fluctuates, peaking again in December with a 63% chance, creating a dynamic climate that aptly showcases the region's charm throughout the seasons.
In Santiago Atitlan, Guatemala, January marks the beginning of a gently consistent pattern in daylight duration, with 11 hours of sunlight illuminating the days. This steady brightness continues into February, maintaining the same duration, before gradually ramping up in March as the days stretch to 12 hours. Remarkably, from March through September, daylight remains consistently at 12 hours, providing ample time for exploration and enjoyment of the stunning landscapes. As October approaches, daylight begins to wane once more, dropping back to 11 hours, a trend that continues through November and December. This rhythm of light and dark offers a unique and predictable charm throughout the year, making Santiago Atitlan an enticing destination for both residents and travelers alike.
In Santiago Atitlán, January greets visitors with gentle breezes, as the average wind speed lingers around 1.9 m/s (4 mph). This mild wind sets a serene tone, making it ideal for outdoor activities and scenic exploration. As the months progress into February and March, the breeze slightly eases to about 1.8 m/s, maintaining a soft touch that complements the vibrant atmosphere of the region. Interestingly, April marks a subtle decline to 1.6 m/s, hinting at the approach of warmer days. The wind continues to mellow through the summer, reaching its lowest at 1.2 m/s in June, yet it picks up again come July. This rhythmic cycle reveals a thoughtful dance of the winds, returning to familiar strengths by November, much like the welcoming embrace of locals preparing for the bustling festive season. Overall, January’s breezy charm not only enhances the beauty of Lake Atitlán but sets the perfect stage for the tranquil adventures that lie ahead.
Weather in Santiago Atitlan varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Santiago Atitlan, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February both boast mild temperatures, but February tends to be slightly warmer. In January, temperatures range from a minimum of 8°C (47°F) to a maximum of 24°C (76°F), with an average of 16°C (61°F) and humidity levels around 76%. In contrast, February sees a minimum of 10°C (50°F) and a maximum of 26°C (79°F), with an average of 17°C (62°F) and lower humidity at 68%. Additionally, February experiences more rainfall, with 34 mm (1.3 in) of precipitation over 8 days compared to January's 16 mm (0.6 in) over 5 days. For a detailed look at February's weather, you can check Santiago Atitlan weather in February.
In January, the weather typically sees minimum temperatures around 8°C (47°F) and maximums reaching up to 24°C (76°F), with an average of 16°C (61°F). This month experiences relatively low precipitation of 16 mm (0.6 in) over about 5 days, combined with higher humidity levels of 76%. In contrast, March offers slightly warmer conditions, with minimum temperatures at 9°C (49°F), an average of 17°C (63°F), and maximums climbing to 27°C (80°F). However, March also brings increased rainfall, totaling 53 mm (2.1 in) over 8 days, and notably lower humidity at 59%. For more detailed insights on what to expect, check out Santiago Atitlan weather in March.
In January, the weather in Santiago Atitlan is relatively mild, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 24°C (76°F) and an average of 16°C (61°F). This month experiences light precipitation, totaling 16 mm (0.6 in) over about 5 days, along with a humidity level of 76%.
In contrast, April brings warmer temperatures, with minimums of 10°C (50°F) and maximums reaching 26°C (79°F), resulting in an average of 18°C (64°F). However, this month also sees a significant increase in rainfall, accumulating 159 mm (6.2 in) over 19 days, while humidity drops to 57%. For more detailed insights, check out Santiago Atitlan weather in April.
In January, the weather in Santiago Atitlán is characterized by mild temperatures, with minimums around 8°C (47°F) and maximums reaching up to 24°C (76°F), accompanied by low precipitation of just 16 mm (0.6 in) over 5 days. The humidity is relatively high at 76%, creating a comfortable atmosphere. In contrast, May experiences warmer temperatures, with a minimum of 12°C (54°F) and a maximum of 26°C (78°F) and significantly higher precipitation levels, totaling 449 mm (17.7 in) over 29 days. This month sees lower humidity at 65%, making it distinctly different from the drier January conditions. For more specifics about the weather in May, you can check Santiago Atitlan weather in May.
In January, the weather is generally milder, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 24°C (76°F) and an average of 16°C (61°F). The month experiences relatively low precipitation, totaling 16 mm (0.6 in) over just 5 days, and humidity levels are higher at 76%. In contrast, June sees warmer minimum temperatures of 13°C (56°F) and a similar maximum of 24°C (76°F), with an average of 18°C (64°F). However, June is characterized by significantly more rainfall, with a staggering 405 mm (15.9 in) falling over 27 days, leading to a drop in humidity to 66%. For more details, you can check the weather specifics at Santiago Atitlan weather in June.
The weather in January and July shows some notable differences in Santiago Atitlán. January boasts a milder temperature range, with a minimum of 8°C (47°F), averaging 16°C (61°F), and a maximum of 24°C (76°F). It also experiences relatively low precipitation, only 16 mm (0.6 in) over just 5 days, accompanied by a humidity level of 76%. In contrast, July features warmer temperatures, with minimums of 13°C (55°F), averaging 18°C (65°F), and peaking at 25°C (76°F). However, this month is considerably wetter, receiving 157 mm (6.2 in) of rain over 16 days, while maintaining a similar humidity level of 75%. For more detailed information, you can check Santiago Atitlan weather in July.
January and August in Santiago Atitlán exhibit contrasting weather patterns. In January, temperatures range from a mild minimum of 8°C (47°F) to a comfortable maximum of 24°C (76°F), with an average of 16°C (61°F). The month sees relatively low precipitation levels, totaling just 16 mm (0.6 in) over about 5 days, and the humidity averages around 76%. In comparison, August experiences warmer conditions, with minimum temperatures starting at 12°C (54°F) and reaching a maximum of 26°C (78°F), averaging 18°C (64°F). However, this month is significantly wetter, with 290 mm (11.4 in) of rain spread over 24 days and an increased humidity level of 82%. For more detailed climate information, you can visit Santiago Atitlan weather in August.
In January, the weather in Santiago Atitlán is relatively mild, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 24°C (76°F). The average temperature hovers around 16°C (61°F), accompanied by low precipitation levels of just 16 mm (0.6 in) across approximately five rainy days, contributing to a humidity of 76%. In contrast, September experiences warmer minimum temperatures of 12°C (54°F) and a similar maximum of 24°C (75°F), but with a significantly higher average of 18°C (64°F). The month sees heavy rainfall, totaling 358 mm (14.1 in) over 26 days, which results in increased humidity levels at 82%. For more details, check out Santiago Atitlan weather in September.
January and October present quite different weather experiences. In January, temperatures range from a pleasant minimum of 8°C (47°F) to a maximum of 24°C (76°F), with an average of 16°C (61°F). The month sees relatively low precipitation at 16 mm (0.6 in) across just 5 days, and humidity stands at 76%. In contrast, October is considerably wetter, receiving a substantial 292 mm (11.5 in) of rain over 27 days. Despite the increased rainfall, temperatures are slightly warmer, with a minimum of 12°C (54°F) and an average of 17°C (64°F), reaching the same maximum of 24°C (76°F) as January. The humidity also rises to 83%, making October feel more humid and damp. For more detailed weather information, you can visit Santiago Atitlan weather in October.
In January, the weather in Santiago Atitlan is generally mild, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 24°C (76°F), and an average of 16°C (61°F). The month receives relatively low precipitation of 16 mm (0.6 in) over about 5 days, with humidity hovering around 76%. In contrast, November experiences slightly warmer temperatures, with a minimum of 10°C (51°F) and an average of 17°C (63°F), while still reaching a maximum of 24°C (75°F). However, November is significantly wetter, receiving 64 mm (2.5 in) of rainfall over approximately 10 days, and humidity increases to 80%. For a detailed view of November weather, you can check this link: Santiago Atitlan weather in November.
When comparing the weather in January and December, we see that both months have very similar temperature ranges, with January experiencing a minimum of 8°C (47°F), an average of 16°C (61°F), and a maximum of 24°C (76°F), almost identical to December's figures. However, December has slightly higher precipitation at 22 mm (0.9 in) compared to January's 16 mm (0.6 in), despite both months experiencing rain on about five days. Humidity levels remain consistent at 76% in both months, suggesting a similar atmospheric feel. For more detailed insights, you can refer to Santiago Atitlan weather in December.
In January, Santiago Atitlan experiences a refreshing climate that sets it apart from other months of the year. With pleasant daytime temperatures averaging around 16°C (61°F) and a maximum of 24°C (76°F), visitors can enjoy a comfortable outdoor environment. The relatively low precipitation, totaling 16 mm (0.6 in) over just five days, ensures that rain is less of a concern, making it an ideal time for exploration. Humidity levels at 76% add a touch of warmth, but the overall conditions remain inviting for travelers. For those keen on understanding how January’s weather compares to the rest of the year, more insights can be found in the detailed climate overview at Santiago Atitlan Climate.