Last updated: August 21, 2025
May in San Juan La Laguna, Guatemala brings a blend of mild temperatures and significant rainfall, creating a lush and vibrant atmosphere. The maximum temperature hovers around 26°C (78°F), while the average temperature settles at a comfortable 18°C (65°F). Nights can be cooler, with minimum temperatures dipping to 12°C (54°F). This month witnesses heavy precipitation, with an impressive total of 449 mm (17.7 in) spread across 29 rainy days, contributing to a humidity level of 65%. Such climatic conditions make May an ideal time for experiencing the lush beauty of this enchanting region, though travelers should be prepared for frequent showers.
In May, San Juan La Laguna, Guatemala, showcases a delightful transition into the warmth of spring. With minimum temperatures rising to 12°C (54°F) and an average of 18°C (65°F), the weather is comfortable, ideal for outdoor exploration. Maximizing at 26°C (78°F), the days are pleasantly warm without becoming oppressive. This month's temperatures signal a gradual upward trend from the cooler months of January through April, embracing the mild climate that makes this lakeside town an enchanting destination for visitors seeking to enjoy its serene beauty and vibrant culture. The consistent temperatures also hint at the stability of the region's weather, making May an excellent time to experience the charm of San Juan La Laguna without the extreme heat typical of the summer months.
May marks a dramatic peak in precipitation for San Juan La Laguna, Guatemala, with a staggering 449 mm (17.7 in) of rain falling over the month. This is not just a minor increase from April's 159 mm (6.2 in); rather, it signifies a significant leap in rainfall volume and frequency, as May experiences rain on 29 days. This transition highlights the onset of the rainy season, which continues into June with considerable rainfall, albeit slightly lower at 405 mm (15.9 in). The trend reflects a shift from the drier months of January through April, where the cumulative precipitation is only a fraction of what May alone receives. As the landscape transforms under these rain-laden skies, the lushness of the region flourishes, making May a crucial month in the climatic calendar of San Juan La Laguna.
May in San Juan La Laguna sees a relative humidity of 65%, marking a slight uptick from the drier months of March and April. As the year progresses, humidity begins to increase, foreshadowing the wetter months ahead. Following May, June and July experience a rise in humidity levels, eventually peaking in August and September at an impressive 82%. This gradual climb in humidity highlights the region's transition into a more tropical climate, making May a noteworthy pivot point as it balances between the drier early year and the lush, humid peak of the rainy season.
In May, San Juan La Laguna continues to experience an extreme UV Index of 15, making sun protection essential for anyone venturing outdoors. This month aligns with the high readings seen in April and maintains a consistent level with the following months of June and July. With a rapid escalation from January through April, reaching a peak of 16 in April, the UV intensity begins to stabilize but remains dangerously high throughout the season. Similar burn times of just 10 minutes indicate that even brief sun exposure can lead to skin damage, emphasizing the need for adequate sun safety measures. As the year progresses, residents and visitors alike should stay informed and vigilant against the sun's potent rays. For detailed information on the UV Index throughout the year, visit San Juan La Laguna UV Index.
UV Risk Categories
May in San Juan La Laguna, Guatemala offers a delightful balance of sunshine, boasting 301 hours of radiant daylight. This month continues the upward trend from April's 311 hours, making it one of the sunniest times of the year. As spring gives way to early summer, the sunshine hours fluctuate slightly but remain consistently bright, following a pattern that peaks in the vibrant months of March and July, where the sun shines the most. After May, the sunshine begins to wane gently in June, falling to 272 hours, yet the warm glow of the sun lingers throughout the year, creating a charming ambiance in this picturesque lakeside town.
May in San Juan La Laguna, Guatemala, generally signals a shift away from the sun-drenched days experienced earlier in the year. With the likelihood of sunny weather plummeting to a mere 17%, this month marks a noticeable dip compared to the 29% chance in April. As the region transitions into the rainy season, sunshine becomes increasingly elusive, foreshadowing the wetter months ahead. Notably, this trend continues into June and July, where the probability of clear skies further declines to 9% and 21%, respectively. If you're hoping for bright, sunny outings in May, it might be wise to prepare for a more overcast experience.
In San Juan La Laguna, Guatemala, the daylight duration shows a consistent and predictable rhythm throughout the year. From January to February, the days average around 11 hours, gently nudging into a 12-hour stretch from March to August. This period of extended daylight offers a perfect opportunity to explore the vibrant scenery and culture of the region. As the year transitions, September maintains this 12-hour daylight, gradually shifting back to 11 hours in October, which heralds the shorter days of late fall and winter. This balanced cycle of light not only shapes daily activities but also enriches the natural beauty of San Juan La Laguna, making each moment spent outdoors all the more cherished.
In San Juan La Laguna, Guatemala, the average wind speed in May settles at a gentle 1.4 m/s (3 mph), marking a slight decline from the breezier earlier months of the year. As spring transitions into summer, wind speeds gradually taper off, continuing a trend established in April and May, when the winds are notably milder compared to the energetic gusts of January (1.9 m/s) and November (1.9 m/s). This gradual decrease in wind speed not only creates a serene atmosphere perfect for leisurely strolls by the lake but also signals the onset of the warmer summer months, inviting visitors and locals alike to fully embrace the tranquil beauty of the region.
Weather in San Juan La Laguna varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in San Juan La Laguna, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between May and January, May tends to be warmer and wetter. The temperatures in May range from a minimum of 12°C (54°F) to a maximum of 26°C (78°F), with an average of 18°C (65°F). In contrast, January experiences cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 24°C (76°F), averaging 16°C (61°F). Precipitation is significantly higher in May, with 449 mm (17.7 in) falling over 29 days, while January sees only 16 mm (0.6 in) over just 5 days. Additionally, January's humidity is slightly higher at 76%, compared to May's 65%. For more specific details about January weather, you can check San Juan La Laguna weather in January.
When comparing the weather in May and February, we see some notable differences. Both months experience similar maximum temperatures, reaching up to 26°C (79°F), but May tends to be warmer on average with temperatures around 18°C (65°F), compared to February's average of 17°C (62°F). However, May is significantly wetter, receiving 449 mm (17.7 in) of precipitation over 29 days, while February sees only 34 mm (1.3 in) over just 8 days. Humidity levels are fairly close, with February being slightly higher at 68%, compared to May's 65%. For a detailed overview of February weather, you can check San Juan La Laguna weather in February.
In comparing the weather of May and March, May experiences warmer temperatures, with averages ranging from a minimum of 12°C (54°F) to a maximum of 26°C (78°F), while March has slightly cooler temperatures, with a minimum of 9°C (49°F) and a maximum of 27°C (80°F). However, May is significantly wetter, receiving 449 mm (17.7 in) of rain over 29 days, compared to March's much lighter rainfall of 53 mm (2.1 in) over just 8 days. The humidity is also higher in May at 65%, whereas March has a relative humidity of 59%. For more detailed weather information on March, you can visit San Juan La Laguna weather in March.
In comparing the weather between April and May, both months exhibit similar average temperatures, with May experiencing a minimum of 12°C (54°F) and a maximum of 26°C (78°F), while April has a slightly cooler minimum of 10°C (50°F) and the same maximum. However, May is significantly wetter, with a staggering 449 mm (17.7 in) of precipitation over 29 days, compared to April's 159 mm (6.2 in) over just 19 days. This increase in rainfall results in higher humidity levels in May at 65%, compared to April's 57%. For a closer look at April conditions, you can visit San Juan La Laguna weather in April.
In comparing the weather of May and June, we see that both months have similar average temperatures, with May recording an average of 18°C (65°F) and June slightly lower at 18°C (64°F). However, May tends to be warmer overall, with a maximum temperature reaching 26°C (78°F) compared to June's maximum of 24°C (76°F). Precipitation is higher in May, totaling 449 mm (17.7 in) over 29 days, whereas June experiences a slightly reduced rainfall of 405 mm (15.9 in) over 27 days. Humidity remains relatively constant, with May at 65% and June at 66%. For a more detailed look at June weather, you can visit San Juan La Laguna weather in June.
In comparing the weather between May and July, we can see some notable differences. May experiences a slightly broader temperature range, with minimums at 12°C (54°F), an average of 18°C (65°F), and maximums reaching up to 26°C (78°F). In contrast, July's temperatures are only marginally warmer, with a minimum of 13°C (55°F), an average of 18°C (65°F), and a maximum of 25°C (76°F). Precipitation also varies significantly; May sees a substantial 449 mm (17.7 in) of rain over 29 days, while July has considerably less, with only 157 mm (6.2 in) of rain spread across 16 days. Moreover, July has a higher humidity level at 75%, compared to May's 65%. For more detailed weather insights, view San Juan La Laguna weather in July.
May and August exhibit similar temperature ranges, with both months experiencing minimums of 12°C (54°F), average highs around 26°C (78°F), and average temperatures close to 18°C (64-65°F). However, May sees significantly higher rainfall of 449 mm (17.7 in) across 29 days, contributing to its lower humidity level of 65%. In contrast, August has less precipitation at 290 mm (11.4 in) over 24 days, yet it boasts higher humidity at 82%, making it feel more sultry. For more details on August weather specifically, you can check out San Juan La Laguna weather in August.
In May, the weather features a mild average temperature of 18°C (65°F) with maximums reaching up to 26°C (78°F), while September sees a slightly cooler average and maximum temperature of 18°C (64°F) and 24°C (75°F), respectively. Both months share a minimum temperature of 12°C (54°F), but May experiences higher precipitation levels at 449 mm (17.7 in) over 29 days, compared to September's 358 mm (14.1 in) over 26 days. Interestingly, September also has a higher humidity level of 82%, compared to May's 65%. For more details, check San Juan La Laguna weather in September.
May and October showcase a transition in weather patterns, although both months share similar minimum temperatures of 12°C (54°F). In May, the average temperature is slightly warmer at 18°C (65°F), peaking at a maximum of 26°C (78°F). This month also experiences significant rainfall, with 449 mm (17.7 in) falling over 29 days, creating a moderately humid climate with 65% humidity. In contrast, October sees a decrease in average temperatures, with a slightly cooler average of 17°C (64°F) and a maximum of 24°C (76°F). Additionally, precipitation is lower at 292 mm (11.5 in) spread over 27 days, coupled with higher humidity levels at 83%. For a closer look at October weather, you can explore more about San Juan La Laguna weather in October.
May and November present distinct weather characteristics. In May, temperatures range from a minimum of 12°C (54°F) to a maximum of 26°C (78°F), with an average of 18°C (65°F). However, this month is marked by significant rainfall, totaling 449 mm (17.7 in) over 29 days, resulting in a humidity level of 65%. In contrast, November features slightly cooler temperatures, with a minimum of 10°C (51°F), an average of 17°C (63°F), and a maximum of 24°C (75°F). This month sees substantially less precipitation, with only 64 mm (2.5 in) falling across 10 days, contributing to a higher humidity level of 80%. For more detailed information, you can visit San Juan La Laguna weather in November.
When comparing the weather in May and December, significant differences emerge. May experiences warmer temperatures, with a minimum of 12°C (54°F) and an average of 18°C (65°F), reaching a maximum of 26°C (78°F). However, it also has much higher precipitation, averaging 449 mm (17.7 in) over 29 days, which contributes to a humidity level of 65%. In contrast, December is cooler, with a minimum temperature of 8°C (47°F), an average of 16°C (62°F), and a maximum of 24°C (75°F). Notably, December experiences much less rainfall, with only 22 mm (0.9 in) over 5 days and higher humidity at 76%. For more detailed insights, you can visit San Juan La Laguna weather in December.
As May unfolds in San Juan La Laguna, it brings a noticeable shift in weather patterns compared to other months. The warmth intensifies, with comfortably high temperatures and a marked increase in humidity, creating a tropical atmosphere that is ideal for exploring the vibrant surroundings. However, this month is also characterized by frequent rain, often making it one of the wettest times of the year, with nearly every day seeing some precipitation. This juxtaposition of warmth and moisture not only enhances the lush landscapes, but also requires visitors to be prepared for sudden downpours. For a deeper dive into how the climate continues to shape the beauty of this region, explore more at San Juan La Laguna Climate.