May Weather in San Juan del Sur, Nicaragua

Last updated: August 31, 2025

Experience the vibrant May weather of San Juan del Sur, Nicaragua, where the tropical climate brings maximum temperatures reaching 31°C (88°F) and an average of 27°C (81°F). Amidst these warm conditions, you'll feel the refreshing touch of ocean breezes tempered by humidity levels at 63%. However, be prepared for frequent showers as the region receives approximately 258 mm (10.2 in) of rain over 21 days this month. May's dynamic weather offers a unique blend of sunshine and refreshing rain, making it a lively time to explore this coastal paradise.

May Temperature in San Juan del Sur

In May, San Juan del Sur, Nicaragua, ushers in warm temperatures that signal the height of its tropical charm. With minimums around 25°C (77°F) and average highs reaching 31°C (88°F), the days are delightful and ideal for beach activities. This month showcases a slight increase in warmth compared to April, maintaining a steady average of 27°C (81°F). The consistent temperatures, coupled with an inviting atmosphere, create a perfect backdrop for soaking up the sun and enjoying the vibrant coastal life, as the region transitions into the rainy season. Whether you're lounging by the shore or exploring local treasures, May's warm embrace makes every moment memorable.

May Weather in San Juan del Sur: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in San Juan del Sur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Juan del Sur, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec787879818181808080807978
Data source: Temperature data for San Juan del Sur generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in San Juan del Sur

In May, San Juan del Sur experiences a dramatic shift in weather, as the region captures an impressive 258 mm (10.2 in) of precipitation over 21 days, marking the beginning of the wet season. This staggering amount of rain is a stark contrast to the preceding months, which averaged only 17 mm in January and 20 mm in April. The frequency of rain also spikes, as May sees nearly every day touched by showers, setting the stage for the lush greenery that will characterize the landscape in the months to follow. As the rain continues into June, with 243 mm (9.6 in) forecasted, the rhythm of the rainy season fully establishes itself, highlighting May as a pivotal month for both the environment and the local climate, effectively breaking the sporadic dry spell of early months and ushering in a vibrant, verdant transformation.

May Precipitation Trends in San Juan del Sur

The chart displays monthly precipitation patterns in San Juan del Sur, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In San Juan del Sur, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1714142025824312919024736215841
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Juan del Sur

In May, San Juan del Sur experiences a gentle continuity in humidity levels, maintaining a consistent 63%, similar to the preceding months of March and April. This stability hints at the onset of the transition into the wetter months ahead, as June marks a notable increase in humidity to 74%. Throughout the earlier part of the year, humidity gradually decreases from 66% in January to 63% by May, reflecting a dry spell that soon gives way to the more tropical conditions of summer. As visitors prepare for the vibrant beach atmosphere, they can expect the air to start feeling a bit more sultry in the coming weeks, setting the stage for the lush, lush landscapes that Nicaragua's rainy season brings.

May Average Humidity in San Juan del Sur

This chart illustrates the average monthly humidity levels in San Juan del Sur, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in San Juan del Sur is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%64%63%63%63%74%85%82%80%79%79%70%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Juan del Sur

In May, San Juan del Sur continues to experience intensely sunny days, with a UV Index of 14 categorized as extreme—reflecting the area's potent sun exposure typical of the dry season. This level of UV radiation means that unprotected skin can burn in just 10 minutes, echoing trends observed from the previous months of March and April, where the UV Index peaked at 14 and 15, respectively. As the region transitions into the hotter months, maintaining sun protection remains crucial. Visitors are advised to apply sunscreen generously and seek shade during the peak hours of sunlight. For more insights into UV exposure levels throughout the year, visit San Juan del Sur UV Index.

Maximum UV Index Levels in San Juan del Sur for May

The chart shows the monthly maximum UV Index (UVI) for San Juan del Sur in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in San Juan del Sur typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111314151414141313131110
Data source: San Juan del Sur May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in San Juan del Sur

In San Juan del Sur, Nicaragua, the month of May offers a delightful continuation of the region's abundant sunshine, with 303 hours of sunlight brightening the days. This is a slight dip from the peak of 334 hours in March, but still harmonizes beautifully with the consistently sunny vibes seen during the months prior. As the dry season gradually transitions into the wetter months, May holds its own amidst a backdrop of progressively sunny conditions that characterize the earlier part of the year. With June and July also showcasing over 300 hours of sunshine, May emerges as an ideal time to soak in the sun, enjoy the warm weather, and appreciate the vibrant coastal life before the rain arrives. Overall, the steady sunlight through spring not only enhances outdoor adventures but also captivates visitors seeking the perfect beach escape.

Monthly Sunshine Duration in San Juan del Sur: May Highlighted

The May sunshine duration represents the total number of hours San Juan del Sur experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec263h299h334h330h303h306h328h307h295h280h305h325h
Data source: San Juan del Sur May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Juan del Sur During May

May in San Juan del Sur, Nicaragua, marks a notable shift in weather patterns, with a 33% chance of sunny days. This decline follows the more promising months of January through April, which boast sun probabilities ranging from 38% to a peak of 71% in February. The sunny allure begins to wane as June approaches, dropping to 21%, signaling the onset of the rainy season. This trend highlights May as a transitional month, where the allurement of sun-soaked landscapes gradually gives way to the promise of lush greenery, captivating in its own right. While the likelihood of sun may dip, the beauty of Nicaragua's vibrant scenery shines through, inviting visitors to experience the region's unique charm in the changing seasons.

Percentage of Sunny Days in May in San Juan del Sur

The chart illustrates the percentage of sunny days in San Juan del Sur throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often San Juan del Sur experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%71%62%38%33%21%27%13%19%34%47%65%
Data source: San Juan del Sur May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Juan del Sur in May

In San Juan del Sur, Nicaragua, the daylight duration exhibits a captivating rhythm throughout the year. The year begins with a consistent 11 hours of daylight in January and February, gradually brightening as spring approaches. By March, daylight extends to 12 hours, a trend that continues uninterrupted from April through August. This delightful balance of light creates an ideal setting for beachside relaxation and exploration. As September rolls in, the hours of daylight remain steady at 12 hours, providing ample time for outdoor adventures before gradually tapering back to 11 hours in October, November, and December. Overall, the consistent daylight duration invites residents and visitors alike to embrace the vibrant beauty of this coastal paradise.

Average Daylight Hours in San Juan del Sur for May

The chart illustrates the variation in daylight duration in San Juan del Sur throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 32m11h 45m12h 3m12h 22m12h 38m12h 45m12h 41m12h 27m12h 9m11h 51m11h 35m11h 27m
Data source: San Juan del Sur daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in San Juan del Sur

In San Juan del Sur, Nicaragua, the month of May marks a transition from the breezy conditions of earlier months to a slight dip in wind speed as the dry season begins to wane. With an average wind speed of 6.7 m/s (15 mph), May offers a refreshing yet gentle breeze, which is ideal for outdoor activities and water sports. This month sees a gradual decrease from the peak winds recorded in March and April, where speeds were notably higher at 8.6 m/s (19 mph) and 6.4 m/s (14 mph), respectively. Following May, the winds continue to soften, dipping to 4.8 m/s (11 mph) in June. As summer approaches, May is a sweet spot for those seeking mild winds and warm weather, creating perfect conditions for relaxation by the beach or adventurous sailing along the beautiful coastline.

Average May Wind Speed in San Juan del Sur

The chart displays monthly wind speed patterns in San Juan del Sur, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec8.38.18.66.46.7 m/s4.86.54.34.33.87.07.8
Data source: San Juan del Sur May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in San Juan del Sur Compares to Other Months

Weather in San Juan del Sur varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in San Juan del Sur, focusing on differences in temperature, rainfall, humidity, and UV levels.

When comparing the weather in May and January, May tends to be warmer and wetter. In May, temperatures range from a minimum of 25°C (77°F) to a maximum of 31°C (88°F), with an average of 27°C (81°F). This month also sees significant precipitation, with 258 mm (10.2 in) of rain over 21 days, coupled with a humidity level of 63%. In contrast, January experiences milder temperatures, ranging from a minimum of 23°C (73°F) to a maximum of 29°C (84°F), and has much lower precipitation at just 17 mm (0.7 in) over 5 days, while maintaining a slightly higher humidity of 66%. For more details on the weather specifics, check out San Juan del Sur weather in January.

In comparing the weather of May and February, it is clear that May experiences significantly higher temperatures, with a minimum of 25°C (77°F) and an average of 27°C (81°F), compared to February's minimum of 22°C (72°F) and average of 26°C (79°F). Additionally, May has notably more precipitation, with 258 mm (10.2 in) falling over 21 days, whereas February sees just 14 mm (0.5 in) over 4 days. Despite a similar humidity level—63% in May and 64% in February—May is generally a wetter and warmer month. For more detailed insights on February weather, you can check San Juan del Sur weather in February.

In comparing the weather between May and March, we notice that May is generally warmer, with minimum temperatures starting at 25°C (77°F) compared to March's 23°C (73°F). While both months peak at a maximum of 31°C (88°F), May's average temperature is slightly higher at 27°C (81°F) versus March's 26°C (79°F). One of the most significant differences is the precipitation, with May receiving a substantial 258 mm (10.2 in) over 21 days, in stark contrast to March's mere 14 mm (0.6 in) over just 3 days. Despite both months sharing a humidity level of 63%, the overall conditions in May are much wetter and more humid than in March. For those interested in more detailed weather information, you can check San Juan del Sur weather in March.

In comparing the weather between April and May, both months maintain similar average temperatures, with April slightly cooler at a minimum of 24°C (75°F) compared to May’s minimum of 25°C (77°F). However, May experiences significantly higher precipitation, recording 258 mm (10.2 in) over 21 days, whereas April only sees 20 mm (0.8 in) over 5 days. Interestingly, humidity levels remain consistent at 63% for both months, making the air feel similarly damp. For a more detailed look at the weather in April, you can check San Juan del Sur weather in April.

In comparing the weather between May and June, both months exhibit remarkably similar temperature ranges, with minimums around 25°C (77°F), averages of 27°C (81°F), and maximums reaching 31°C (88°F). However, June experiences slightly less rainfall, totaling 243 mm (9.6 in) compared to May's 258 mm (10.2 in), though precipitation occurs over 28 days in June versus 21 days in May. Furthermore, June is characterized by higher humidity levels at 74%, compared to May's more moderate 63%. For a more detailed look at June's weather specifics, you can visit San Juan del Sur weather in June.

In May, temperatures in San Juan del Sur range from a minimum of 25°C (77°F) to a maximum of 31°C (88°F), averaging around 27°C (81°F). This month experiences significant rainfall, with 258 mm (10.2 in) spread over 21 days, and a humidity level of 63%. In contrast, July features slightly cooler temperatures, with a minimum of 24°C (76°F) and a maximum of 30°C (86°F), while maintaining a similar average of 27°C (80°F). However, July sees much less precipitation, totaling 129 mm (5.1 in) over 27 days, alongside a higher humidity level of 85%. For a more detailed look at the weather in July, you can visit San Juan del Sur weather in July.

May and August exhibit similar average temperatures, with May showing a slight edge in maximum temperatures at 31°C compared to August's 30°C. However, August is marked by higher humidity levels at 82%, which can make the heat feel more intense, while May's humidity stands at a more moderate 63%. Precipitation also varies between the two months; May experiences significant rainfall at 258 mm over 21 days, while August sees a decrease in rainfall to 190 mm spread across 28 days, indicating frequent but lighter showers. For a detailed look at August weather patterns, you can check San Juan del Sur weather in August.

May and September offer similar average temperatures, both hovering around 27°C (81°F), with maximums reaching 31°C (88°F) in May and 31°C (87°F) in September. However, May experiences slightly higher precipitation, totaling 258 mm (10.2 in) over 21 days compared to September's 246 mm (9.7 in) over 28 days. Additionally, humidity levels are higher in September at 80%, compared to 63% in May, contributing to a more humid atmosphere as the year transitions into fall. For more detailed information, you can explore San Juan del Sur weather in September.

May and October in San Juan del Sur showcase a transition in weather patterns, with both months exhibiting warm temperatures but differing in precipitation and humidity levels. In May, temperatures range from a minimum of 25°C (77°F) to a maximum of 31°C (88°F), with an average of 27°C (81°F) and 258 mm (10.2 in) of rainfall over 21 days, resulting in a humidity level of 63%. In contrast, October features slightly lower temperatures, with a range of 24°C (75°F) to 30°C (86°F) and an average of 26°C (80°F). However, it brings increased rainfall, totaling 361 mm (14.2 in) across 29 days, and higher humidity at 79%. For more detailed insights, check out San Juan del Sur weather in October.

May and November in San Juan del Sur exhibit some notable differences in weather patterns. May tends to be warmer, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 31°C (88°F) and an average of 27°C (81°F). In contrast, November experiences slightly cooler temperatures, with a minimum of 24°C (76°F), an average of 26°C (80°F), and a maximum of 29°C (84°F). Additionally, May sees higher precipitation levels of 258 mm (10.2 in) spread over 21 days, while November has significantly less rain at 158 mm (6.2 in) over 19 days. Humidity is also higher in November at 79%, compared to 63% in May. For more specific insights on November weather, you can refer to San Juan del Sur weather in November.

In May, the weather in San Juan del Sur is characterized by warm temperatures, with a minimum of 25°C (77°F) and an average high of 31°C (88°F). However, May is also marked by significant precipitation, totaling 258 mm (10.2 in) over 21 rainy days, contributing to a humidity level of 63%.

In contrast, December offers slightly cooler temperatures with a minimum of 23°C (73°F) and an average of 29°C (84°F). Rainfall is much lighter in December, with only 41 mm (1.6 in) recorded over 12 days, though the humidity increases to 70%. For a more detailed overview of December weather, you can visit San Juan del Sur weather in December.

Compare San Juan del Sur's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in San Juan del Sur

As the weather in San Juan del Sur transitions into May, visitors can expect warmer temperatures that can reach a maximum of 31°C (88°F), providing the perfect backdrop for beach activities and outdoor adventures. While the average temperature hovers around a comfortable 27°C (81°F), May also ushers in increased humidity levels and a significant amount of precipitation, with an average of 258 mm (10.2 in) spread over 21 days. This stands in contrast to the drier months that precede it, making it essential for travelers to prepare for both sun and potential rain. For those curious about the climate nuances throughout the year, explore more at San Juan del Sur Climate.