Last updated: August 21, 2025
Discover the unique December climate of Ilopango, El Salvador, where temperatures comfortably range from a minimum of 16°C (62°F) to a maximum of 35°C (96°F), creating a pleasant average of 25°C (78°F). With only 7 mm (0.3 in) of rainfall across just 1 day, the month is characterized by mild humidity at 66%, perfect for exploring the vibrant landscapes and enjoying outdoor activities. Visitors can expect a delightful blend of warm sunny days and refreshing evenings, making December an ideal time to experience the charm of Ilopango.
In Ilopango, El Salvador, December ushers in a pleasant transition, with temperatures dipping slightly from the highs of previous months. The minimum temperature drops to a cool 16°C (62°F), while the average settles at a comfortable 25°C (78°F), making it an ideal time for outdoor activities. As the month progresses, highs can reach up to 35°C (96°F), providing a warm backdrop for festive celebrations. This gradual decrease from the warmer months of November, where temperatures hovered around 34°C (94°F), signals the onset of the cooler dry season, encouraging both locals and visitors to enjoy the region's beautiful landscapes and vibrant culture.
In December, Ilopango experiences a notable decrease in precipitation, receiving just 7 mm (0.3 in) of rain over the course of a single day. This marks a stark contrast to the preceding months, particularly the peak rainy months of May through October, when average rainfall often exceeded 200 mm. As the rainy season transitions to the dry period, December's sporadic showers signal the tail end of significant rainfall, making it a calmer month after several weeks of heavy precipitation. With only one day of rain recorded, residents begin to enjoy a reprieve from the relentless downpours, setting the stage for drier months ahead.
As December arrives in Ilopango, El Salvador, the humidity levels settle at 66%, a noticeable decrease from the more oppressive highs experienced in the preceding months. Following a peak in August with a moist 79%, the trend shows a gradual tapering off, with the humidity starting to drop in September and continuing through the end of the year. This monthly shift reflects the region's transition towards drier conditions, moving away from the heavy humidity of the summer months. As the year wraps up, December brings a more balanced atmosphere, offering a refreshing respite before the new year unfolds.
In December, Ilopango experiences a UV Index of 9, categorized as very high, which means that despite a slight dip from the peak values observed throughout the year, caution is still necessary. With a burn time of just 15 minutes, the need for protection against harmful UV radiation remains critical. This trend is consistent with the preceding months, where the UV Index has hovered between 10 and 14, signaling an overall pattern of extreme sun exposure from January through June, tapering slightly in the latter half of the year. Visitors and residents alike should remain vigilant about sun safety practices during this time. For more detailed information, check out the Ilopango UV Index.
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In Ilopango, El Salvador, December shines brightly with an impressive 326 hours of sunshine, continuing the trend of abundant sunlight as the year draws to a close. Following a peak in March with 328 hours, the sunny months generally maintain a robust average, with fluctuations mainly influenced by the rainy season. December stands out as a striking conclusion to the year, offering warmth and clear skies that invite locals and visitors alike to bask in the vibrant beauty of this tropical paradise. Overall, the consistent sunlight throughout the latter months underscores Ilopango's appeal as a haven for those seeking a sun-soaked escape.
In Ilopango, El Salvador, December brings a promising 71% chance of sunny weather, making it one of the most favorable months for enjoying the outdoors. This trend reflects a peak in sunshine compared to the previous rainy months, with November experiencing a moderate 56% chance. As the year progresses, the likelihood of sunny days tends to dip sharply during the mid-year months—particularly from June to August—when rainfall is at its highest. However, by the time December rolls around, residents and visitors can expect clearer skies, reminiscent of the brighter conditions seen in earlier months like January and February. Overall, December stands out as a delightful month for sun-seekers in Ilopango, signaling an end to the wetter season.
In Ilopango, El Salvador, the daylight duration experiences subtle shifts throughout the year, revealing a rhythm that reflects the region's tropical climate. From January to February, daylight remains steady at 11 hours, creating a consistent, bright start to the year. As spring approaches in March, the lengthens to 12 hours, persisting through the summer months of April to September, where daylight reaches its peak. This extended sunlight fosters vibrant outdoor activities and basks the landscape in warmth. However, as the year winds down, daylight gently tapers back to 11 hours in October and remains constant through November and into December. This cyclical pattern encapsulates the essence of Ilopango's climate, characterized by warm days and a steady march toward shorter daylight as the year closes.
In December, Ilopango, El Salvador experiences a gentle shift in wind patterns, with an average wind speed of 1.8 m/s (4 mph). This month marks a slight decrease from the breezier November, which saw winds picking up to 2.0 m/s (5 mph). As the year draws to a close, December's mellow winds reflect the calming descent of the dry season, offering a serene atmosphere that pairs beautifully with the region's vibrant landscapes. Throughout the year, wind speeds tend to follow a consistent pattern, peaking during the early months before tapering off in the summer’s heat, and then inching up again in the final months. This cyclical dance of air creates a unique harmony in Ilopango, where each gust whispers tales of the changing seasons.
Weather in Ilopango varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ilopango, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between December and January, both months exhibit warm temperatures, but slight variations can be noted. December sees a minimum temperature of 16°C (62°F) and an average of 25°C (78°F), peaking at 35°C (96°F), with a total precipitation of 7 mm (0.3 in) over one day and a humidity level of 66%. In contrast, January features slightly cooler temperatures, with a minimum of 14°C (58°F) and an average of 26°C (78°F), reaching a maximum of 36°C (97°F). Precipitation in January drops significantly to just 3 mm (0.1 in) over no rainy days, and humidity is slightly lower at 63%. For a more detailed look at January weather conditions, visit Ilopango weather in January.
In December, the weather features a comfortable range with minimum temperatures of 16°C (62°F) and an average high of 35°C (96°F), accompanied by 7 mm (0.3 in) of precipitation over just 1 day. Humidity levels are relatively high at 66%. In contrast, February sees a slight increase in average temperature, reaching 26°C (80°F), with maximums soaring to 39°C (102°F). Precipitation is lighter, totaling only 5 mm (0.2 in) over the same duration of 1 day, and humidity drops slightly to 62%. For more detailed information about the conditions in February, you can explore Ilopango weather in February.
In comparing December and March weather patterns, December typically features a slightly cooler temperature range, with a minimum of 16°C (62°F), an average of 25°C (78°F), and a maximum reaching 35°C (96°F). Humidity levels in December are relatively high at 66%, and it sees minimal precipitation, with only about 7 mm (0.3 in) over one day. In contrast, March experiences warmer conditions, with minimum temperatures at 18°C (64°F), an average of 27°C (82°F), and a peak of 37°C (100°F). March also has reduced humidity at 59% and slightly lower precipitation of 5 mm (0.2 in), likewise occurring over just one day. For more detailed information about weather specifics, you can check Ilopango weather in March.
In December, the weather experiences a warm yet manageable temperature range, with minimums around 16°C (62°F) and maximums peaking at 35°C (96°F). The month sees minimal precipitation of just 7 mm (0.3 in) over an average of 1 day, resulting in a relatively humid atmosphere with 66% humidity. In contrast, April brings hotter conditions, with temperatures ranging from a minimum of 19°C (67°F) to maximums reaching as high as 38°C (101°F). This month is also characterized by significantly increased rainfall at 51 mm (2.0 in) spread over about 15 days, alongside a slightly lower humidity level of 59%. For more detailed insights, you can check the weather specifics here: Ilopango weather in April.
December and May present quite contrasting weather patterns. In December, temperatures range from a comfortable 16°C (62°F) to a warm 35°C (96°F), with a modest average of 25°C (78°F) and only 7 mm (0.3 in) of rainfall over just one day. The humidity sits at 66%, providing a relatively pleasant atmosphere. In contrast, May sees higher minimum temperatures of 20°C (69°F) and an average of 27°C (81°F), with peak temperatures reaching up to 36°C (97°F). However, May is significantly wetter, receiving 279 mm (11.0 in) of precipitation over 26 days, and slightly lower humidity at 59%. For more detailed information, check out Ilopango weather in May.
In comparing the weather of December and June, significant differences emerge. December boasts a warmer average temperature with a minimum of 16°C (62°F) and a maximum reaching up to 35°C (96°F), alongside minimal precipitation of only 7 mm (0.3 in) over just one day. In contrast, June experiences slightly cooler average temperatures, with a minimum of 21°C (70°F) and a maximum similar to December at 36°C (96°F), but it is marked by heavy rainfall totaling 313 mm (12.3 in) across 27 days, leading to higher humidity levels around 68%. For a detailed look into the weather specifics in June, visit Ilopango weather in June.
In December, the weather in Ilopango features a more moderate temperature range, with a minimum of 16°C (62°F) and a maximum of 35°C (96°F), while averaging around 25°C (78°F). The month experiences minimal rainfall, with only 7 mm (0.3 in) over just a single day, contributing to lower humidity levels at 66%. In contrast, July heats up, with minimum temperatures of 21°C (70°F) and maximums reaching 36°C (97°F), averaging 27°C (81°F). However, this month sees significant precipitation, totaling 138 mm (5.4 in) over 18 days, leading to higher humidity levels at 77%. For a detailed overview of the weather, check out Ilopango weather in July.
When comparing the weather in December and August, notable differences emerge. December typically experiences milder temperatures, with minimums around 16°C (62°F) and maximums reaching up to 35°C (96°F), while August has warmer conditions, with minimums of 21°C (69°F) and peaks of 36°C (97°F). Precipitation also varies significantly; December sees only 7 mm (0.3 in) of rain over just one day, whereas August is much wetter, recording a staggering 232 mm (9.1 in) across 24 days. In terms of humidity, December is slightly less humid at 66% compared to August’s 79%. For a more detailed look at the weather patterns, check out Ilopango weather in August.
When comparing the weather in December and September, December offers warmer temperatures, with a minimum of 16°C (62°F) and a maximum of 35°C (96°F), while September tends to be cooler, with a minimum of 20°C (69°F) and a maximum of 34°C (94°F). Notably, December experiences significantly less precipitation, with only 7 mm (0.3 in) over just one day, contrasting sharply with September's 291 mm (11.5 in) of rain spread across 28 days. Additionally, humidity in December is slightly lower at 66%, compared to September's higher 77%. For more specific weather details during this time, you can explore Ilopango weather in September.
When comparing the weather in December and October, December is notably warmer with minimum temperatures of 16°C (62°F) and maximums reaching up to 35°C (96°F), while October has higher minimum temperatures of 20°C (68°F) and a maximum of 34°C (93°F). Precipitation levels differ dramatically; December sees only 7 mm (0.3 in) of rain over just one day, whereas October experiences heavy rainfall totaling 286 mm (11.3 in) across 28 days. In terms of humidity, October is more humid at 77%, compared to December's 66%. Overall, December offers a drier and warmer climate, in stark contrast to the wet and cooler conditions typical of October. For a more detailed understanding of October's weather, you can visit Ilopango weather in October.
In comparing the weather between December and November, we see some notable differences. December experiences slightly warmer temperatures overall, with a minimum of 16°C (62°F), an average of 25°C (78°F), and a maximum of 35°C (96°F). In contrast, November has a minimum temperature of 18°C (64°F), an average of 26°C (78°F), and a maximum of 34°C (94°F). December is significantly drier, with only 7 mm (0.3 in) of precipitation over just 1 day, compared to November, which sees 65 mm (2.5 in) spread over 9 days. Humidity levels are also lower in December at 66%, compared to 75% in November. For a more detailed look at the weather in November, you can visit Ilopango weather in November.
In December, Ilopango welcomes a delightful transition in weather, showcasing a perfect blend of warmth and mildness. With pleasant average temperatures around 25°C (78°F) and infrequent precipitation, this month stands out as one of the driest, with less than a day of rain. The lower humidity at 66% offers a refreshing contrast to the wetter months that precede it. As the year winds down, December’s climate creates an inviting atmosphere, ideal for outdoor adventures and enjoying the vibrant local culture. For a deeper dive into the specifics of Ilopango's climate throughout the year, check out Ilopango Climate.