December Weather in Santa Ana, El Salvador

Last updated: August 21, 2025

In December, Santa Ana, El Salvador, experiences a delightful climate, characterized by a maximum temperature reaching 34°C (94°F) and a comfortable average temperature of 24°C (76°F). As the month progresses, minimum temperatures drop to a refreshing 14°C (58°F) during the cooler nights. With only 4 mm (0.2 in) of precipitation observed on just 1 day, residents and visitors can relish mostly dry conditions, complemented by a humidity level of 66% that adds a touch of tropical warmth. Enjoy the perfect blend of sunshine and cool breezes as you explore this vibrant region!

December Temperature in Santa Ana

In December, Santa Ana, El Salvador, experiences pleasant temperatures, making it an ideal time for visitors to enjoy the festive season outdoors. With nighttime lows around 14°C (58°F), the evenings remain comfortably cool, while daytime highs reach up to 34°C (94°F). The average temperature hovers around 24°C (76°F), which is slightly cooler than the preceding months but maintains that warm, tropical feel that defines the region year-round. This shift towards milder December temperatures marks a transition from the hotter months, providing a refreshing backdrop for holiday activities and vibrant local culture. As winter begins its grasp in the Northern Hemisphere, Santa Ana invites you to bask in its sunshine and warm spirit.

December Weather in Santa Ana: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Santa Ana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Ana, December 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).
JanFebMarAprMayJunJulAugSepOctNovDec757779817977807978777675
Data source: Temperature data for Santa Ana 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.

December Precipitation in Santa Ana

In Santa Ana, El Salvador, December marks a significant drop in precipitation, with only 4 mm (0.2 in) recorded over just one day of rain. This is a stark contrast to the preceding months, especially the peak of the rainy season from May to September, where the average rainfall soars, reaching a maximum of 225 mm (8.8 in) in June. The late-year rainfall sees a tapering off from the heavy downpours that characterize the months prior, providing a brief respite before the drier months of January and February. With the transition from the lush, rainy season to the more arid winter, December illustrates Santa Ana's unique climatic rhythm, reminding us of the dynamic shifts within its local weather patterns.

December Precipitation Trends in Santa Ana

The chart displays monthly precipitation patterns in Santa Ana, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Santa Ana, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3333217422568131212185404
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santa Ana

In December, Santa Ana, El Salvador experiences a notable shift in humidity, with levels averaging around 66%. This figure marks a decline from the peak humidity of the previous months, where July and August often soar to a steamy 77% and 79% respectively. As the year winds down, November also sees a reduction to 75%. The overall trend reveals a pattern of increasing humidity from January's 63%, peaking mid-year, and then gradually tapering off as the dry season approaches. This creates a comfortable yet humid atmosphere for visitors looking to enjoy the warmth of Central America in December.

December Average Humidity in Santa Ana

This chart illustrates the average monthly humidity levels in Santa Ana, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Santa Ana is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%62%59%59%59%68%78%79%77%77%75%67%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santa Ana

In Santa Ana, El Salvador, the UV Index trends highlight a consistently high risk of sun exposure throughout the year, particularly from January to July, where it peaks at an extreme level of 14. As the year progresses into December, the UV Index drops slightly to 9, still categorizing as very high and indicating a burn time of 15 minutes. This pattern suggests that even in the quieter months, vigilance is crucial for sun safety. Whether you're basking in the sun or exploring local attractions, it's important to stay informed and protected. For additional information on UV exposure, visit Santa Ana UV Index.

Maximum UV Index Levels in Santa Ana for December

The chart shows the monthly maximum UV Index (UVI) for Santa Ana in December, 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 December, the maximum UV index in Santa Ana typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131414141414131313109
Data source: Santa Ana December 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.

December Sunshine in Santa Ana

December in Santa Ana, El Salvador, basks in a radiant glow with 324 hours of sunshine, making it one of the sunniest months of the year. Following a slight dip in June, when the sun only graced the region with 269 hours, the sunlight begins to surge again, with a remarkable increase throughout the latter half of the year. This steady climb reaches its zenith just in time for the holidays, spotlighting a transition from lower light in the earlier months to a brighter, sunnier December. The consistent warmth of the sun throughout the year not only enhances the landscape but also invites visitors to enjoy the vibrant culture and stunning scenery of Santa Ana during this splendid time.

Monthly Sunshine Duration in Santa Ana: December Highlighted

The December sunshine duration represents the total number of hours Santa Ana experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec260h290h326h315h301h269h323h304h284h276h305h324h
Data source: Santa Ana December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santa Ana During December

In Santa Ana, El Salvador, the likelihood of enjoying sunny weather in December stands at a promising 71%, positioning it as a delightful month for sunshine. As the year transitions, December reflects a noteworthy increase in sunny days compared to the wetter months like June (14%) and August (17%), which are characterized by their frequent rain. This upward trend continues from November's 55%, suggesting that as the rainy season wanes, clear skies become more prevalent. Following December, sunny probabilities rise again in January (66%) and peak in February (80%), making the end of the year not only a festive time but also a season ripe for enjoying the warm and sunny charm of this beautiful locale.

Percentage of Sunny Days in December in Santa Ana

The chart illustrates the percentage of sunny days in Santa Ana throughout the year, with December 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 Santa Ana experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec66%80%70%42%35%14%30%17%26%33%55%71%
Data source: Santa Ana December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santa Ana in December

In Santa Ana, El Salvador, the daylight duration exhibits intriguing patterns throughout the year, peaking at 12 hours from March to August. As the year draws to a close in December, daylight returns to 11 hours, mirroring the shorter days of January and February. This rhythmic cycle highlights the region's mild variation in sunlight, with nearly half the year basking in the generous glow of 12 hours while the latter winter months settle into a brief 11-hour period. The consistency of daylight hours reflects not just the geography but also contributes to the vibrant lifestyle that characterizes this Central American city.

Average Daylight Hours in Santa Ana for December

The chart illustrates the variation in daylight duration in Santa Ana throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 23m11h 40m12h 3m12h 26m12h 45m12h 55m12h 50m12h 33m12h 10m11h 47m11h 28m11h 18m
Data source: Santa Ana daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Santa Ana

As December rolls into Santa Ana, El Salvador, the average wind speed settles at a refreshing 2.5 m/s (6 mph), echoing the patterns of the preceding months. This slight uptick from November’s gusty 3.0 m/s (7 mph) marks a transition into the cooler, drier season. From the gentle breezes of the early months, which hover around 2.1 m/s (5 mph) in April, winds tend to dwindle during the summer, reaching their lowest in June with just 1.2 m/s (3 mph). However, as the year closes, the winds regain strength, indicating a return to mild, pleasant conditions. This cyclical dance of wind speeds reflects Santa Ana's charming climate, where each month brings its unique rhythm, culminating in December’s coolness that invites both locals and visitors to enjoy the outdoors.

Average December Wind Speed in Santa Ana

The chart displays monthly wind speed patterns in Santa Ana, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.52.62.11.81.21.91.31.31.43.02.5 m/s
Data source: Santa Ana December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Santa Ana Compares to Other Months

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

In December, the weather in Santa Ana features a temperature range from a minimum of 14°C (58°F) to a maximum of 34°C (94°F) with an average of 24°C (76°F). December experiences a slight amount of precipitation at 4 mm (0.2 in) over a single day, accompanied by a humidity level of 66%. In contrast, January maintains a similar temperature profile, with the same minimum and maximum temperatures, but slightly less precipitation at 3 mm (0.1 in) with no rainy days, resulting in a lower humidity of 63%. Overall, both months are warm, but January tends to be slightly drier and less humid. For more specific details, you can check Santa Ana weather in January.

In December, temperatures in Santa Ana range from a minimum of 14°C (58°F) to a maximum of 34°C (94°F), with an average of 24°C (76°F). The month experiences light precipitation of about 4 mm (0.2 in), occurring over just one day, and humidity hovers around 66%. In contrast, February sees slightly warmer conditions, with an average temperature of 25°C (77°F) and maximums reaching 36°C (97°F). Notably, February has no recorded precipitation, resulting in a drier atmosphere with lower humidity at 62%. For more details on February's weather, you can check out Santa Ana weather in February.

In December, the weather in Santa Ana is warm, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 34°C (94°F), with an average of 24°C (76°F). The month experiences very light precipitation of just 4 mm (0.2 in) over a single day, and humidity is reasonably high at 66%. In contrast, March sees slightly higher temperatures, with a minimum of 16°C (61°F) and reaching up to a sweltering maximum of 38°C (100°F), averaging 26°C (79°F). Notably, March is drier, featuring only 3 mm (0.1 in) of precipitation without any rainy days, and a lower humidity level of 59%. For more details on the weather during March, visit Santa Ana weather in March.

When comparing December and April weather, December features a more moderate temperature range with minimums around 14°C (58°F) and maximums peaking at 34°C (94°F). In contrast, April is notably warmer, with minimum temperatures starting at 18°C (64°F) and maximums soaring to 37°C (99°F). Additionally, December experiences very low precipitation and humidity levels at 66%, with only a brief chance of rain. April, on the other hand, is wetter, averaging 32 mm (1.3 in) of rain over 8 days, and boasts a slightly lower humidity of 59%. For more detailed insights into the weather in April, you can check Santa Ana weather in April.

December and May present quite different weather patterns. In December, temperatures range from a minimum of 14°C (58°F) to a maximum of 34°C (94°F), with an average of 24°C (76°F). The month typically sees very little precipitation, averaging just 4 mm (0.2 in) over a single rainy day and maintaining a humidity level of 66%. In contrast, May experiences warmer temperatures with a minimum of 20°C (68°F) and a maximum reaching up to 36°C (97°F), averaging around 26°C (80°F). However, May is much wetter, with a substantial 174 mm (6.9 in) of rain over approximately 23 days, and the humidity is slightly lower at 59%. For more details on weather conditions during this month, check out Santa Ana weather in May.

When comparing the weather in December and June, notable differences emerge in temperature and precipitation. December enjoys milder temperatures, with a minimum of 14°C (58°F) and an average of 24°C (76°F), while June starts warmer, with a minimum of 19°C (67°F) and an average of 25°C (78°F). However, June sees significantly higher precipitation, receiving 225 mm (8.8 in) over 24 days compared to December's mere 4 mm (0.2 in) over just 1 day. Both months maintain a similar humidity level, with December at 66% and June slightly higher at 68%. For a closer look at June weather patterns, you can visit Santa Ana weather in June.

December and July present notably different weather conditions. In December, temperatures range from a milder minimum of 14°C (58°F) to a maximum of 34°C (94°F), with an average of 24°C (76°F). The month experiences low precipitation, averaging just 4 mm (0.2 in) over only 1 day, and humidity levels sit at a comfortable 66%. In contrast, July is warmer, with temperatures varying between 20°C (68°F) and 36°C (98°F), and an average of 27°C (80°F). However, it brings significantly higher rainfall, totaling 68 mm (2.7 in) over 15 days, and increased humidity at 77%. For more detailed insights into July weather, you can visit Santa Ana weather in July.

December and August present strikingly different weather patterns. In December, temperatures range from a mild minimum of 14°C (58°F) to a maximum of 34°C (94°F), with an average of 24°C (76°F). The month experiences minimal precipitation, averaging just 4 mm (0.2 in) over only 1 day, and humidity levels are moderate at 66%. In contrast, August is noticeably warmer, with minimum temperatures starting at 20°C (67°F) and peaking at 36°C (96°F), leading to an average of 26°C (79°F). The month is considerably wetter, receiving 131 mm (5.1 in) of rain over approximately 20 days, and humidity rises to 79%. For more details, you can check Santa Ana weather in August.

In comparing the weather between December and September, December tends to be significantly drier and cooler. December boasts temperatures with a minimum of 14°C (58°F) and a maximum of 34°C (94°F), alongside a low precipitation rate of just 4 mm (0.2 in) over one day, and a humidity level of 66%. In contrast, September experiences a much warmer climate with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 35°C (96°F), accompanied by substantial rainfall of 212 mm (8.4 in) over 27 days and higher humidity at 77%. For more details, you can visit Santa Ana weather in September.

In comparing the weather between December and October, December tends to be warmer, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 34°C (94°F) and a more comfortable average of 24°C (76°F). In contrast, October is slightly cooler on average with temperatures fluctuating from a minimum of 18°C (65°F) to a maximum of 34°C (94°F). However, October experiences significantly more rainfall, with a total precipitation of 185 mm (7.3 in) spread across 22 days, compared to December's meager 4 mm (0.2 in) over just 1 day. Additionally, October's humidity is higher at 77%, compared to December's 66%. For more details on the conditions in October, visit Santa Ana weather in October.

December's weather in Santa Ana shows a slight decrease in minimum temperature compared to November, with a low of 14°C (58°F) compared to November's 16°C (62°F). The average temperature remains similar, but December experiences significantly lower precipitation at just 4 mm (0.2 in) over only one day, while November sees 40 mm (1.6 in) across four days. Additionally, humidity levels are lower in December at 66%, compared to November's 75%. For more detailed information, you can check Santa Ana weather in November.

Compare Santa Ana's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Santa Ana

In December, Santa Ana experiences a delightful shift in weather that sets it apart from the rest of the year. With an average temperature of 24°C (76°F), this month brings a refreshing respite from the hotter days of previous months. The comparatively low humidity at 66% makes for pleasant, comfortable evenings. While rain is minimal, with only a day of precipitation amounting to 4 mm (0.2 in), it’s a stark contrast to the more humid and wetter conditions earlier in the year. December is truly a lovely time to visit, offering mild temperatures and a charming atmosphere. For more insights into the seasonal changes, check out Santa Ana Climate.