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December Weather in Acajutla, El Salvador

Last updated: August 23, 2025

In December, the average temperature in Acajutla, El Salvador is a warm 27°C (81°F), with minimums dipping to 23°C (73°F) and maxima reaching up to 32°C (90°F). Expect a bit of moisture with an average precipitation of 8 mm (0.3 in) spread over 2 days. The atmosphere is moderately humid, boasting an average humidity level of 66%, making it a comfortable month to explore!

December Temperature in Acajutla

In December in Acajutla, the average temperature is 27°C (81°F). The maximum can reach 32°C (90°F), and the minimum can be as low as 23°C (73°F). This pleasant climate makes Acajutla an ideal destination for travelers seeking warm and enjoyable weather.

December Weather in Acajutla: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Acajutla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Acajutla, December typically has an average temperature of 27°C (81°F), with highs reaching up to 32°C (90°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec808182828281828281818181
Data source: Temperature data for Acajutla 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 Acajutla

In Acajutla in December, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.

December Precipitation Trends in Acajutla

The chart displays monthly precipitation patterns in Acajutla, 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 Acajutla, December typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec541240248291177273284341768
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Acajutla

In Acajutla in December, humidity is 66%. With an average temperature of 27°C (81°F), this humidity feels like a warm, sticky embrace, making outdoor exploration feel a bit more intense while increasing the need for hydration as you navigate through the sights.

December Average Humidity in Acajutla

This chart illustrates the average monthly humidity levels in Acajutla, 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 Acajutla is approximately 66%, 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 Acajutla

In Acajutla in December, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Acajutla.

Maximum UV Index Levels in Acajutla for December

The chart shows the monthly maximum UV Index (UVI) for Acajutla 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 Acajutla typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141413131312109
Data source: Acajutla 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.

How December Weather in Acajutla Compares to Other Months

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

This table compares monthly weather conditions in Acajutla, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)5 mm (0.2 inches)63%extreme
February Weather27°C (81°F)4 mm (0.2 inches)62%extreme
March Weather28°C (82°F)12 mm (0.5 inches)59%extreme
April Weather28°C (83°F)40 mm (1.6 inches)59%extreme
May Weather28°C (82°F)248 mm (9.8 inches)59%extreme
June Weather27°C (82°F)291 mm (11.5 inches)68%extreme
July Weather28°C (82°F)176 mm (6.9 inches)77%extreme
August Weather28°C (82°F)273 mm (10.7 inches)79%extreme
September Weather27°C (81°F)284 mm (11.2 inches)77%extreme
October Weather27°C (81°F)341 mm (13.4 inches)77%extreme
November Weather27°C (81°F)76 mm (3.0 inches)75%very high
December Weather27°C (81°F)8 mm (0.3 inches)66%very high

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