Last updated: August 21, 2025
May in Izalco, El Salvador, unveils a tropical climate characterized by a maximum temperature soaring to 32°C (90°F) and a comfortable average of 26°C (79°F). The month is marked by significant precipitation, with 310 mm (12.2 in) of rain falling over 28 days, contributing to a lush and vibrant landscape. Humidity levels hover around 59%, enhancing the warm and balmy atmosphere. This combination of warm temperatures and frequent rain makes May a unique and lively month in Izalco, perfect for experiencing the beauty and charm of the region.
In May, temperatures in Izalco, El Salvador transition into the warmth of late spring, with a minimum of 21°C (69°F) and an average of 26°C (79°F). The maximum temperature hovers around 32°C (90°F), offering a pleasant climate ideal for outdoor activities. As the month progresses, you'll notice a gradual increase compared to the earlier months, particularly with May's minimum temperature rising by about 1°C from April. This trend continues, setting the stage for the warm, tropical conditions that characterize the following months, making May a delightful time to explore the region's natural beauty.
In May, Izalco, El Salvador experiences a dramatic shift in weather, recording an impressive 310 mm (12.2 in) of precipitation over the month. This substantial rainfall marks a peak in the wet season, with precipitation days soaring to 28, creating a lush and vibrant landscape. The increase from the previous months illustrates a notable trend, as May's downpours not only build on April's 70 mm but also set the stage for the even wetter months ahead in June and September. The consistent rainfall signals the onset of a tropical climate, transforming Izalco into a verdant oasis where nature flourishes in response to the abundant moisture.
In May, Izalco experiences a comfortable level of humidity at 59%, which aligns with the trend seen since January. This moderate humidity level provides a pleasant atmosphere before the onset of the more humid summer months. As the year progresses, humidity in Izalco begins to rise significantly, culminating in August's peak of 79%. This gradual increase, particularly from June onwards, highlights the shift towards a more tropical climate, making May a refreshing transition month before the humid summer sets in.
May in Izalco, El Salvador, sees a consistent UV Index of 14, marking it as an extreme exposure category. This trend aligns with the previous month of April and continues into June, indicating a period where sun protection is crucial, as burn time remains a swift 10 minutes. Notably, the UV levels have been high since January, peaking in March but stabilizing at this intense level from April through June, demonstrating a trend of sustained sun intensity that requires vigilance. For more insights on UV exposure and safety, check out Izalco UV Index.
UV Risk Categories
May in Izalco, El Salvador, basks in a splendid 313 hours of sunshine, marking the tail end of the vibrant spring season. As warmer days evolve, sunlight consistently shines bright, with the month showcasing a remarkable continuity of radiant weather. Following the peak of 327 hours in March and July, May's sunshine remains abundant, reflecting a strong trend of favorable conditions leading into summer. With slightly decreased sunlight compared to April, which recorded 319 hours, May still holds its charm, offering ample opportunities for outdoor adventures. The consistent sun exposure lays a perfect backdrop for exploring local attractions, embracing the vibrant culture, and enjoying the picturesque landscapes of this beautiful region.
May in Izalco, El Salvador, marks a significant dip in the likelihood of sunny weather, with only a 32% chance of sunshine. This decrease follows a trend of increasing cloudiness after the dryer months of January through April, where chances of sun remain relatively high—peaking at 81% in February. As spring transitions into early summer, the region experiences a marked shift, paving the way for the rainier months of June and July, which boast a mere 13% chance of sun. This pattern highlights the shifting weather dynamics that define Izalco, making May a time where sunshine becomes a precious commodity, hinting at the onset of the wet season.
In Izalco, El Salvador, the daylight duration showcases a compelling rhythm throughout the year. From January to February, residents bask in 11 hours of daylight, setting a consistent tone for the early months. As March arrives, daylight increases to 12 hours, heralding a gradual shift towards longer, sunlit days. This trend continues into the vibrant months of April, May, June, and July, where daylight remains steady at 12 hours, offering ample time for outdoor adventures and gatherings. This consistent brightness persists through August and September before transitioning back to 11 hours in October. As the year winds down, November and December see the return to 11 hours, highlighting the cyclical nature of daylight across the seasons in this beautiful region. Overall, Izalco presents a harmonious blend of light and shadow, inviting residents and visitors alike to enjoy the warmth of its sun-soaked days.
In Izalco, El Salvador, the month of May marks a distinct shift in wind patterns, with average wind speeds dipping to 1.6 m/s (4 mph), making it one of the calmest months of the year. This decline follows the trend observed in the preceding months, where wind speeds steadily decreased after a peak in early spring. The gentle breezes of May provide a serene atmosphere, contrasting sharply with the more vibrant winds of January through April, which hovered around 2.5 m/s (6 mph). As spring transitions to summer, the trend continues downward, hinting at a seasonal pattern where the winds become more subdued as the warmer months approach.
Weather in Izalco varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Izalco, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present a stark contrast in weather patterns. May experiences warmer temperatures, with averages around 26°C (79°F), whereas January tends to be slightly cooler, averaging 24°C (76°F). Both months can reach similar maximum temperatures of 32°C (90°F) and 32°C (91°F), respectively; however, May is significantly wetter, receiving 310 mm (12.2 in) of precipitation over 28 days compared to January's minimal 7 mm (0.3 in) over just 1 day. Additionally, humidity levels are similar, with January at 63% and May at 59%. For more specific insights, you can check Izalco weather in January.
May generally brings warmer temperatures compared to February, with averages around 26°C (79°F) and a maximum of 32°C (90°F), whereas February features slightly cooler averages, peaking at 33°C (92°F). However, February enjoys less rainfall, with only 7 mm (0.3 in) of precipitation over just 2 days, in stark contrast to May's much wetter climate, accumulating 310 mm (12.2 in) across 28 days. Additionally, both months experience relatively high humidity, with February at 62% and May at 59%. For more detailed insights on weather conditions during February, you can visit Izalco weather in February.
In comparing the weather of March and May, both months have similar average temperatures, hovering around 26°C (79°F). However, March experiences slightly cooler minimum temperatures of 18°C (65°F) compared to May's 21°C (69°F) and peaks at a higher maximum of 33°C (92°F) than May's 32°C (90°F). One significant difference is the precipitation; May sees a substantial increase with 310 mm (12.2 in) of rainfall spread over 28 days, while March has much less, with only 14 mm (0.6 in) over just 4 days. Humidity remains consistent at 59% for both months, contributing to a humid atmosphere. For more detailed information, you can check Izalco weather in March.
In comparing the weather between April and May, it is clear that both months experience similar average temperatures, hovering around 26°C (79°F). However, May tends to be slightly warmer, with minimum temperatures reaching 21°C (69°F) compared to April's 20°C (67°F). Notably, May has significantly more precipitation, with a total of 310 mm (12.2 in) occurring over 28 days, in contrast to April's 70 mm (2.8 in) over just 15 days. Both months share a humidity level of 59%, but the increased rainfall in May can lead to a more humid atmosphere overall. For a detailed look at April's weather specifics, check out Izalco weather in April.
May and June exhibit some notable differences in weather patterns. While both months share similar minimum and maximum temperatures, June tends to be slightly cooler on average, with temperatures peaking at 32°C (91°F) compared to May's average of 26°C (79°F). Precipitation also increases in June, reaching 370 mm (14.6 in) over 28 days, which is higher than May's 310 mm (12.2 in) for the same number of days. Additionally, June experiences a rise in humidity, climbing to 68% from May's 59%. For more detailed weather insights, check out Izalco weather in June.
In comparing the weather between May and July, both months exhibit similar temperature ranges, with minimums of around 21°C (69°F), averages of 26°C (79°F), and maximums peaking at 32°C (90°F). However, July experiences significantly lower precipitation, with 208 mm (8.2 in) over 26 days, compared to May's substantial 310 mm (12.2 in) spread across 28 days. Additionally, July has a higher humidity level at 77%, compared to May's 59%, creating a more muggy atmosphere. For those interested in detailed weather patterns, you can check Izalco weather in July.
In May, the weather features a warm average temperature of 26°C (79°F), with highs reaching up to 32°C (90°F). While the month also experiences significant rainfall of 310 mm (12.2 in) spread over 28 days, humidity levels sit at a moderate 59%. In contrast, August sees a slight dip in average temperature to 25°C (78°F), but maintains the same maximum of 32°C (90°F). Rainfall in August increases slightly to 331 mm (13.0 in), accompanied by a rise in humidity to 79%. For more detailed information, you can check Izalco weather in August.
May and September showcase distinct weather patterns, despite their similar temperature ranges. In May, temperatures typically range from a minimum of 21°C (69°F) to a maximum of 32°C (90°F), with an average of 26°C (79°F). This month experiences significant precipitation, accumulating 310 mm (12.2 in) over 28 days, accompanied by relatively lower humidity at 59%.
In contrast, September tends to be slightly cooler, with average temperatures dropping to 25°C (77°F) and maximums reaching 31°C (88°F). However, it brings even more rainfall, totaling 391 mm (15.4 in) over 30 days, and a higher humidity level of 77%. This increased moisture contributes to a more gripping atmosphere. For a detailed look at weather conditions, check Izalco weather in September.
In comparing the weather between May and October, we see some notable similarities and differences. Both months have fairly warm temperatures, with May experiencing a minimum of 21°C (69°F) and an average of 26°C (79°F), while October's temperatures are slightly cooler, with a minimum of 20°C (68°F) and an average of 25°C (77°F). However, October typically has higher humidity at 77%, compared to May's 59%. Additionally, October sees a significant increase in precipitation, with a total of 389 mm (15.3 in) compared to May's 310 mm (12.2 in), although both months register rain on about 28 days. For more insights into October's weather, you can visit Izalco weather in October.
In comparing the weather between May and November, we see distinct differences in temperature and precipitation. May typically boasts higher temperatures, with minimums reaching 21°C (69°F) and maximums climbing to 32°C (90°F), alongside significant rainfall totaling 310 mm (12.2 in) over 28 days. This results in a relatively comfortable average humidity of 59%. In contrast, November features slightly cooler temperatures, with minimums at 18°C (65°F) and an average of 25°C (77°F), while the rainfall diminishes to 73 mm (2.9 in) across just 13 days. However, November's humidity increases to 75%, creating a more humid atmosphere. For a detailed look at the weather in November, visit Izalco weather in November.
In May, the weather is characterized by warmer temperatures, with minimums around 21°C (69°F) and average highs reaching up to 32°C (90°F). This month also experiences considerable rainfall, accumulating 310 mm (12.2 in) over 28 days, resulting in a humidity level of 59%. In contrast, December features slightly cooler temperatures, with minimums of 17°C (63°F), average temperatures around 25°C (76°F), and maximums reaching 32°C (89°F). Notably, December sees much less precipitation, only 11 mm (0.4 in) over a mere 3 days, accompanied by a higher humidity level of 66%. For more detailed insights, check out Izalco weather in December.
As the month of May unfolds in Izalco, the weather becomes notably more humid and rainfall begins to intensify, setting it apart from the drier months that precede it. With an average temperature hovering around 26°C, this month offers a warm tropical environment, but the increased precipitation—with occurrences nearly every day—brings lush greenery to the landscape and a refreshing break from the heat. The transition into this wetter season invites a vibrant atmosphere, making May a unique blend of warmth and vitality. For further insights into Izalco's atmospheric patterns, explore Izalco Climate.