Last updated: August 21, 2025
December in Izalco, El Salvador, showcases warm and pleasant weather characterized by a maximum temperature reaching 32°C (89°F) and an average of 25°C (76°F). The evenings are refreshingly cool, with minimum temperatures dipping to 17°C (63°F). Rain is infrequent, with only 11 mm (0.4 in) of precipitation over just 3 days, allowing for ample opportunities to explore the region. With a humidity level of 66%, the atmosphere remains comfortably balmy, making December an inviting time to experience the natural beauty and vibrant culture of Izalco.
In December, Izalco, El Salvador, experiences a delightful blend of temperatures that marks the onset of the dry season. The minimum temperature hovers around 17°C (63°F), providing a refreshing contrast to the balmy days that follow. With an average temperature of 25°C (76°F), the warmth is inviting yet comfortable, ideal for both outdoor adventures and relaxation. As the thermometers reach their maximum of 32°C (89°F), you'll find the afternoons vibrant and lively, perfect for exploring the natural beauty of the region. Compared to earlier months, December's cooling nights and stable midday warmth create an inviting atmosphere for both locals and visitors alike, making it a charming time to experience Izalco's enchanting landscape.
In December, Izalco, El Salvador, experiences a notable dip in precipitation, with only 11 mm (0.4 in) of rainfall over just 3 days. This marks a significant decrease from the heavy showers characteristic of the wet season, particularly the preceding months of September and October, which often surpass 390 mm. As December wraps up the year, the shift from the intense rainy conditions in mid-year to this drier spell indicates the gradual transition into the drier months ahead. The trend showcases a clear seasonal pattern, with December standing out as a brief pause between the relentless rains of earlier months and the drier, calmer weather of January and February. This shift suggests an opportunity for the local ecosystem to breathe and prepare for the upcoming dry season.
In the heart of Izalco, El Salvador, December brings a refreshing shift in humidity levels, settling at 66%, a drop from the sultry highs of the previous months. This month stands out as the humidity starts to ease following a peak in August at 79%, reflecting a gradual transition towards the drier season. From the consistent levels of 59% seen in early spring to the summer months of soaring humidity, December marks a significant change, as the air becomes more comfortable. Overall, as the year closes, Izalco experiences a noteworthy fluctuation in humidity, offering a reprieve before the next cycle begins.
In Izalco, El Salvador, the UV Index remains strikingly high throughout the year, with December registering a UV Index of 9—classified as very high. This reflects a slight decrease from the extreme levels common in the earlier months, where values peaked at 14 in March through June. Notably, the burn time in December increases to 15 minutes, offering a brief respite compared to the 10-minute exposure limit characteristic of most other months. Despite this decrease, caution is still paramount as UV levels remain significant. Engaging in outdoor activities? Be sure to check the full details at Izalco UV Index for safe sun exposure tips.
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December in Izalco, El Salvador, brings a delightful abundance of sunshine, with 325 hours of glorious daylight gracing the month. This makes it one of the sunniest times of the year, following a consistent trend of increasing sunlight from the previous months. The year peaks with March's 327 hours, but December stands out with its warm and inviting atmosphere, perfectly encapsulating the charm of the region as it transitions into the dry season. As the year comes to a close, those seeking sun-filled days can revel in the tropical comfort, making December an ideal time for outdoor adventures and relaxation under the brilliant El Salvadoran sky.
In Izalco, El Salvador, December ushers in a notable 75% chance of sunny weather, making it one of the more favorable months for sunseekers. Following a trend of increasing sunshine, December sees a significant rise from the 60% likelihood in November, hinting at a transition into a sunnier dry season. This trend becomes especially apparent when comparing it to the preceding months, where June and August dwell in the depths of cloudiness with only 13% sunshine. As the year winds down, December stands out as an inviting time for outdoor activities, offering a welcome escape from the rainy season and a perfect backdrop for holiday celebrations.
In Izalco, El Salvador, the daylight duration exhibits a rhythmic pattern throughout the year. Starting with 11 hours of daylight in January and February, the days gradually lengthen during the spring months of March to May, reaching a peak of 12 hours. This extended daylight lingers through the summer and fall, maintaining a consistent 12 hours from June to September. As the year winds down, daylight diminishes once again, returning to 11 hours in both October and November, before concluding the year in December. This cyclical trend highlights not only the balance of light across the seasons but also the comforting predictability of daylight in this tropical locale.
As December arrives in Izalco, El Salvador, the wind begins to pick up slightly with an average speed of 2.2 m/s (5 mph), stabilizing from the mild fluctuations of earlier months. This shift marks a subtle transition from the calmer breezes of mid-year, which dipped to their lowest in June and August at around 1.5 m/s (3 mph). Conversely, November sees a resurgence, climbing to 2.3 m/s (5 mph), setting the stage for December's gentle, yet refreshing winds. Overall, the data reveals a trend of fluctuating wind speeds throughout the year, with a gradual increase in the final months, highlighting December's role as a bridging point toward the more invigorating breezes of the coming year.
Weather in Izalco varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Izalco, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather is quite warm, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (89°F), and an average temperature of 25°C (76°F). This month sees slightly more precipitation, totaling 11 mm (0.4 in) over about 3 days, accompanied by a humidity level of 66%.
In contrast, January experiences a slightly cooler climate, with a minimum temperature of 16°C (61°F) and an average of 24°C (76°F), while still reaching a maximum of 32°C (91°F). Notably, January is drier, with only 7 mm (0.3 in) of rainfall expected over just 1 day and slightly reduced humidity at 63%. For a detailed look at the weather in Izalco during January, check out Izalco weather in January.
In comparing the weather between December and February, both months exhibit mild temperatures, with December experiencing a minimum of 17°C (63°F) and an average of 25°C (76°F), while February sees slightly lower minimums at 16°C (61°F) but a peak average of 25°C (77°F). February is typically warmer at its maximum, reaching up to 33°C (92°F) compared to December's 32°C (89°F). Precipitation in December is slightly higher, at 11 mm (0.4 in) over three days, compared to February's 7 mm (0.3 in) over just two days, making February a drier option. Humidity levels also differ slightly, with December at 66% and February at 62%. For more detailed information about February weather in this region, you can check Izalco weather in February.
In December, the weather is characterized by a warm average temperature of 25°C (76°F), with daytime highs reaching up to 32°C (89°F) and a relative humidity of 66%. The month typically experiences light rainfall, with only 11 mm (0.4 in) of precipitation occurring over about three days. In contrast, March sees slightly warmer temperatures, with an average of 26°C (79°F) and maximums hitting 33°C (92°F). Although March has marginally higher precipitation at 14 mm (0.6 in) over four days, humidity drops to 59%, providing a more comfortable atmosphere. For a detailed look at weather specifics for this month, refer to Izalco weather in March.
In December, the weather features a milder temperature range, with minimums around 17°C (63°F) and maximums peaking at 32°C (89°F), while the average temperature hovers around 25°C (76°F). This month experiences limited rainfall, with only 11 mm (0.4 in) of precipitation over just three days, accompanied by a relatively higher humidity level of 66%.
In contrast, April brings warmer temperatures, with a minimum of 20°C (67°F) and maximums reaching 33°C (92°F), resulting in an average of 26°C (79°F). However, it is also the wettest month, with precipitation totaling 70 mm (2.8 in) spread across 15 days, and humidity slightly lower at 59%. For a more detailed look at conditions specific to this month, you can check Izalco weather in April.
December and May present contrasting weather patterns. In December, temperatures range from a minimum of 17°C (63°F) to a maximum of 32°C (89°F), with an average of 25°C (76°F) and relatively low precipitation at 11 mm (0.4 in) over just three days, accompanied by humidity at 66%. In contrast, May sees warmer nights with a minimum of 21°C (69°F) and an average temperature of 26°C (79°F). However, it experiences significantly higher rainfall, totaling 310 mm (12.2 in) across 28 days, while humidity dips slightly to 59%. For a detailed look at May's weather, you can visit Izalco weather in May.
In December, the weather is generally warm and dry, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (89°F) and an average of 25°C (76°F). The month sees limited rainfall, averaging only 11 mm (0.4 in) over approximately 3 days, resulting in a humidity level of 66%. In contrast, June experiences warmer temperatures, with a minimum of 21°C (70°F) and the same maximum of 32°C (91°F), but the average temperature slightly increases to 25°C (78°F). However, June is characterized by significantly higher precipitation, totaling 370 mm (14.6 in) over nearly the entire month, with rain on about 28 days, leading to a humidity level of 68%. For more detailed information, you can visit Izalco weather in June.
December and July present distinctly different weather patterns in Izalco. In December, temperatures range from a minimum of 17°C (63°F) to a maximum of 32°C (89°F), with an average of 25°C (76°F) and relatively low precipitation of just 11 mm (0.4 in) over 3 days. The humidity is moderate at 66%, making the weather pleasant and more comfortable.
In stark contrast, July experiences higher humidity at 77% and significantly more rainfall, with 208 mm (8.2 in) spread over 26 days. The temperatures are also warmer, ranging from a minimum of 21°C (70°F) to a maximum of 32°C (90°F), with an average of 26°C (79°F). This results in a much wetter and humid climate, making July a more challenging month for outdoor activities. For further details, you can explore Izalco weather in July.
In comparing the weather of December and August, December enjoys milder temperatures with a minimum of 17°C (63°F) and an average of 25°C (76°F), offering a pleasant climate for outdoor activities. In contrast, August brings warmer nights, with a minimum temperature of 21°C (69°F) and similarly averages at 25°C (78°F), but it is accompanied by significantly higher rainfall, totaling 331 mm (13.0 in) over 28 days, which contributes to an overall higher humidity of 79%. While both months can reach a maximum temperature of 32°C (90°F), December is notably drier, experiencing only 11 mm (0.4 in) of precipitation over just three days. For a detailed overview of what to expect in August, visit Izalco weather in August.
In December, the weather is relatively warm with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (89°F), and an average of 25°C (76°F). The month sees low precipitation, averaging only 11 mm (0.4 in) over just 3 days, resulting in a humidity level of 66%. In contrast, September experiences higher temperatures with a minimum of 21°C (70°F) and a maximum of 31°C (88°F), maintaining a similar average temperature of 25°C (77°F). However, September is significantly wetter, with 391 mm (15.4 in) of rainfall over 30 days, contributing to a higher humidity level of 77%. For more detailed information about the weather in September, you can check Izalco weather in September.
When comparing the weather in December and October, December tends to be warmer and drier. In December, temperatures range from a minimum of 17°C (63°F) to a maximum of 32°C (89°F), with an average of 25°C (76°F) and only 11 mm (0.4 in) of precipitation over just three days. In contrast, October is cooler with a minimum temperature of 20°C (68°F) and a maximum of 31°C (89°F), but it experiences significantly higher rainfall, receiving 389 mm (15.3 in) of precipitation over 28 days. Additionally, October has higher humidity levels at 77%, compared to December's 66%. For more detailed insights about October weather, you can check Izalco weather in October.
In comparing the weather of December and November, both months experience relatively warm temperatures, with December averaging around 25°C (76°F) and November slightly higher at 25°C (77°F). Notably, December features a lower minimum temperature of 17°C (63°F) compared to November's 18°C (65°F), while both months reach the same maximum temperature of 32°C (89°F). Precipitation levels differ significantly; December receives only 11 mm (0.4 in) over 3 days, while November sees much higher rainfall at 73 mm (2.9 in) over 13 days, contributing to a more humid feel with an average humidity of 75% in November versus 66% in December. For more detailed information on the weather patterns, you can visit Izalco weather in November.
December in Izalco marks a transition into a more temperate climate, offering a notable reprieve from the heat of previous months. With pleasant average temperatures hovering around 25°C (76°F), it’s the ideal time for outdoor exploration. The month experiences only a slight increase in humidity at 66%, making the warm afternoons feel comfortable rather than stifling. While rain is infrequent, with just 11 mm falling over three days, the vibrant scenery remains lush from previous rains. This blend of agreeable temperatures and minimal precipitation provides a refreshing atmosphere, setting December apart from the hotter, wetter months of the year. Discover more about the seasonal nuances by visiting Izalco Climate.