Last updated: August 21, 2025
In May, San Miguel, El Salvador, experiences a tropical climate characterized by a notable temperature range, with maximums reaching 39°C (102°F) and averages around 28°C (83°F). The month is marked by significant precipitation, totaling 294 mm (11.6 in) over approximately 25 days, contributing to a relative humidity of 59%. This combination of heat and moisture creates an atmosphere that fosters lush landscapes, making May both a vibrant and challenging time in this lively region.
In May, San Miguel, El Salvador, continues to experience warm temperatures, with a minimum of 22°C (72°F) and an average of 28°C (83°F) that sets a comfortable tone for the month. The maximum temperature can reach up to 39°C (102°F), reflecting an emerging trend of high daytime heat that characterizes the region in late spring. Compared to previous months, May maintains a steady warmth, with averages slightly dipping from the peak highs of February and March, yet still ensuring that the vibrant energy of the region thrives. As the transition toward the rainy season begins, residents and visitors can enjoy the balmy days while anticipating the refreshing relief of occasional showers later in the month.
May marks a significant turning point in precipitation patterns for San Miguel, El Salvador, with a staggering 294 mm (11.6 in) of rain falling over 25 days. This sharp increase from the preceding months—where just 40 mm (1.6 in) was recorded in April—signals the onset of the rainy season, setting the stage for the wetter months ahead. The consistency in rainy days during May highlights the region's transition to a lush environment, as this month typically features the most frequent showers compared to the much drier earlier part of the year. As rainfall continues to rise, with June and August often matching May's intensity, these months establish a trend of abundant moisture critical for the region's agriculture and water supply.
In May, San Miguel, El Salvador, experiences a steady humidity level of 59%, aligning with the lower trend seen in the preceding months. As the dry season begins to ebb, this consistent humidity showcases a gradual transition toward the wetter months ahead. Following May, there is a notable increase in humidity levels, peaking in the mid-summer months—July and August—which see figures soar to 77% and 79% respectively. This pattern highlights the shift from the dry air of early spring to the more humid conditions characteristic of the rainy season, making May a bridge between the two climate extremes.
In May, San Miguel, El Salvador, continues to bask in extreme sunshine with a consistent UV Index of 14, necessitating precautions to avoid sunburn within just 10 minutes of exposure. This month marks a plateau in the UV Index, matching the levels recorded in April and extending into June, where similar intense conditions persist. As the dry season wanes, these elevated UV levels highlight the importance of sun safety, especially for outdoor enthusiasts. With such high readings, it's critical to stay informed and take protective measures. For more details on the UV Index in San Miguel, visit San Miguel UV Index.
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In San Miguel, El Salvador, May enjoys a delightful 315 hours of sunshine, continuing a trend of plentiful daylight that begins in March. As the year progresses, the sunny hours peak in July with an impressive 332 hours, while the spring months of March through May consistently offer over 300 hours each. This abundance of sunshine not only brightens the landscape but also invites visitors to bask in the vibrant culture and outdoor experiences the region has to offer. Despite a slight dip in hours during June, the warmth of the sun remains a defining feature of San Miguel’s charm, making it an inviting destination throughout the year.
In San Miguel, El Salvador, the likelihood of sunny weather takes a noticeable dip in May, with a mere 41% chance of sun. This trend marks a continuation of a downward shift that begins in April, where the chances fall significantly from the high percentages seen in the earlier months like January (72%) and February (80%). As May arrives, the region transitions into a wetter season, ushering in cloudy days ahead, which are further emphasized by the even lower probabilities in June. Overall, while May may not promise consistent sunshine, it retains a charming allure for those seeking to experience the vibrant waves of nature during this shift.
In San Miguel, El Salvador, daylight duration exhibits a captivating rhythm throughout the year, creating a warm and inviting atmosphere for both locals and visitors. From January to February, the city enjoys a consistent 11 hours of daylight, offering a gentle transition from the cooler months. As spring approaches in March, daylight begins to stretch to 12 hours, a trend that continues through April and maintains through the summer months of May to August. This steady 12-hour span fosters ample opportunities for outdoor activities and cultural festivities. As autumn arrives, daylight begins to wane once again, returning to 11 hours in October and continuing into the final months of the year. This cyclical pattern emphasizes the region's elongated periods of sunlight, making it a perfect destination for those seeking both adventure and relaxation.
In San Miguel, El Salvador, the winds of May tend to whisper gently, with an average wind speed of 1.4 m/s (about 3 mph). This marks a slight decline from the breezier months of March and February, where speeds reached 2.0 m/s and 1.9 m/s respectively. As the dry season transitions into a milder phase, the winds continue to dwindle in June, dropping to 1.2 m/s. This trend showcases a gradual decline in wind speeds from the lively start of the year to the softer, calmer days of late spring and early summer. Overall, the May winds symbolize a serene shift in the atmosphere, inviting relaxation and peaceful moments in this beautiful region.
Weather in San Miguel varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in San Miguel, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in May and January, it's clear that May tends to be significantly wetter and warmer. In May, temperatures range from a minimum of 22°C (72°F) to a maximum of 39°C (102°F), with an average of 28°C (83°F). This month also experiences substantial rainfall, with 294 mm (11.6 in) of precipitation over approximately 25 days, resulting in a humidity level of 59%. On the other hand, January showcases slightly cooler temperatures, with a minimum of 18°C (65°F) and a maximum of 37°C (99°F), while maintaining a similar average of 28°C (82°F). Notably, January is much drier, receiving only 1 mm (0.0 in) of precipitation across zero rainy days, contributing to a higher humidity level of 63%. For a more detailed look at January's weather specifics, you can check out San Miguel weather in January.
May and February in San Miguel showcase contrasting weather patterns. In May, temperatures range from a minimum of 22°C (72°F) to a maximum of 39°C (102°F), with an average of 28°C (83°F). This month is characterized by substantial precipitation, with 294 mm (11.6 in) falling over 25 days, contributing to a humidity level of 59%. In contrast, February features slightly cooler temperatures, with a minimum of 18°C (65°F) and a maximum of 40°C (104°F), while maintaining a similar average of 29°C (84°F). Notably, February is remarkably dry, receiving only 2 mm (0.1 in) of precipitation over zero days, and has a higher humidity of 62%. For more details, check out San Miguel weather in February.
In comparing the weather between March and May, we see notable differences in precipitation and temperature patterns. March enjoys a mild climate with average temperatures reaching 30°C (86°F) and minimal rainfall of just 5 mm, making it a dry month with no recorded precipitation days. In contrast, May witnesses a significant rise in humidity and rainfall, with an average temperature of 28°C (83°F) and a staggering 294 mm of precipitation spread over 25 days. While both months can experience maximum temperatures up to 39°C (102°F), May's wet conditions create a drastically different atmosphere. For more detailed information, check out San Miguel weather in March.
In comparing the weather between April and May, we find some intriguing differences. April typically features a minimum temperature of 22°C (72°F) and an average of 30°C (86°F), reaching a maximum of 39°C (103°F). In contrast, May experiences a similar minimum of 22°C but has a slightly lower average temperature of 28°C (83°F). Despite the similar maxima of 39°C, May is characterized by significantly higher precipitation, totaling 294 mm (11.6 in) over 25 days, compared to just 40 mm (1.6 in) across 10 days in April. Both months share a humidity level of 59%, but the increased rainfall in May indicates a more unsettled weather pattern. For more detailed information about April’s conditions, check out San Miguel weather in April.
Comparing the weather in May and June reveals some interesting trends. In May, temperatures range from a minimum of 22°C (72°F) to a maximum of 39°C (102°F), with an average of 28°C (83°F). The month experiences significant rainfall, totaling 294 mm (11.6 in) over 25 days, and boasts a humidity level of 59%. In contrast, June sees slightly cooler average temperatures, with a minimum of 22°C (71°F), an average of 27°C (81°F), and a maximum of 36°C (98°F). Rainfall increases in June, reaching 347 mm (13.6 in) over 24 days, accompanied by higher humidity at 68%. For more details on the weather in June, you can visit San Miguel weather in June.
When comparing the weather in May and July, both months showcase warm temperatures, with May experiencing slightly higher maximum temperatures averaging 39°C (102°F) compared to July's peak of 38°C (100°F). Interestingly, while the average temperature remains consistent at 28°C (83°F) for both months, May sees significantly more rainfall, accumulating 294 mm (11.6 in) across 25 days, whereas July receives only 131 mm (5.2 in) over 17 days. Additionally, July is notably more humid, with humidity levels reaching 77%, compared to May's 59%. For a more detailed look at July weather, you can visit San Miguel weather in July.
May and August in San Miguel showcase similar average temperatures, hovering around 28°C (82°F), but there are notable differences in their weather patterns. While May experiences slightly higher maximum temperatures, reaching up to 39°C (102°F), August's peak is marginally lower at 38°C (101°F). Precipitation levels increase in August, with 316 mm (12.4 in) spread over 22 days, compared to May's 294 mm (11.6 in) across 25 days, suggesting a slightly drier but more humid climate in August, with humidity levels soaring to 79%. For a detailed look at the August weather, you can follow this link: San Miguel weather in August.
When comparing the weather in May and September, both months showcase warm temperatures, but September tends to be slightly cooler on average. In May, temperatures range from a minimum of 22°C (72°F) to a maximum of 39°C (102°F), with an average of 28°C (83°F). In contrast, September features a lower maximum temperature of 36°C (97°F) and an average of 27°C (81°F). Precipitation levels are similar, with May receiving 294 mm (11.6 in) over 25 days, while September sees 300 mm (11.8 in) spread across 27 days, resulting in higher humidity—77% in September compared to 59% in May. For more detailed information, you can check San Miguel weather in September.
May and October present contrasting weather conditions for those in San Miguel. In May, temperatures range from a minimum of 22°C (72°F) to a maximum of 39°C (102°F), with an average temperature of 28°C (83°F). The month experiences significant rainfall, totaling 294 mm (11.6 in) over 25 days, coupled with a humidity level of 59%. In comparison, October features slightly cooler temperatures, with averages around 26°C (80°F) and maximums reaching 34°C (93°F). Rainfall is more pronounced, amounting to 371 mm (14.6 in) spread across 28 days, and humidity increases to 77%. For more details on October weather in San Miguel, you can visit San Miguel weather in October.
May and November present contrasting weather patterns, showcasing the transition from the peak of the dry season to a more humid period. In May, temperatures reach a minimum of 22°C (72°F) and can soar up to 39°C (102°F), with an average around 28°C (83°F). This month also experiences significant rainfall, totaling 294 mm (11.6 in) over 25 days, resulting in a humidity level of 59%. In contrast, November offers milder temperatures, with lows of 18°C (65°F) and a maximum of 34°C (94°F), averaging 26°C (80°F). Rainfall drops dramatically to 73 mm (2.9 in) across just 9 days, while higher humidity at 75% makes the atmosphere feel more tropical. For more detailed weather information, you can check San Miguel weather in November.
May and December in San Miguel exhibit contrasting weather patterns. May, characterized by hotter temperatures, sees minimums of 22°C (72°F) and maximums reaching up to 39°C (102°F), with an average of 28°C (83°F). This month is also quite wet, experiencing a significant 294 mm (11.6 in) of precipitation over approximately 25 days, resulting in humidity levels around 59%. In contrast, December offers milder conditions, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 36°C (98°F), averaging 27°C (80°F). Notably, December is much drier, with only 5 mm (0.2 in) of rainfall over just 2 days and a higher humidity of 66%. For more detailed insights on December weather, you can explore San Miguel weather in December.
As May unfolds in San Miguel, residents and visitors alike experience a notable contrast to the preceding months. Temperatures reach their peak, with balmy days averaging around 28°C (83°F) and occasionally soaring to an impressive 39°C (102°F). Combining this warmth with a humble yet consistent level of precipitation, May marks the transition into the rainy season with nearly 25 days of rain and a humidity level that hovers around 59%. This blend of heat and humidity creates a unique atmosphere, making the month particularly vibrant. For more insights into the weather dynamics in this captivating region, check out San Miguel Climate.