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December Weather in Santa Rosa de Lima, El Salvador

Last updated: August 23, 2025

In December, the average temperature in Santa Rosa de Lima, El Salvador is a pleasant 27°C (81°F). Expect minimums of 18°C (65°F) and maximums reaching up to 36°C (97°F). With just 3 mm (0.1 in) of precipitation over 0 days, you'll enjoy mostly dry weather, complemented by an average humidity of 66%. Perfect for outdoor activities!

December Temperature in Santa Rosa de Lima

In December in Santa Rosa de Lima, the average temperature is 27°C (81°F). The maximum can reach 36°C (97°F), while the minimum can dip to 18°C (65°F). This makes it an ideal time for travelers seeking warm and pleasant weather.

December Weather in Santa Rosa de Lima: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Santa Rosa de Lima, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Rosa de Lima, December typically has an average temperature of 27°C (81°F), with highs reaching up to 36°C (97°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec828486868482848381808081
Data source: Temperature data for Santa Rosa de Lima 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 Rosa de Lima

In Santa Rosa de Lima in December, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

December Precipitation Trends in Santa Rosa de Lima

The chart displays monthly precipitation patterns in Santa Rosa de Lima, 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 Rosa de Lima, December typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec1162924127480222248331553
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santa Rosa de Lima

In Santa Rosa de Lima 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 Santa Rosa de Lima

This chart illustrates the average monthly humidity levels in Santa Rosa de Lima, 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 Rosa de Lima 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 Santa Rosa de Lima

In Santa Rosa de Lima 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 Santa Rosa de Lima.

Maximum UV Index Levels in Santa Rosa de Lima for December

The chart shows the monthly maximum UV Index (UVI) for Santa Rosa de Lima 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 Rosa de Lima typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141413131313109
Data source: Santa Rosa de Lima 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 Santa Rosa de Lima Compares to Other Months

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

This table compares monthly weather conditions in Santa Rosa de Lima, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)1 mm (0.0 inches)63%extreme
February Weather29°C (84°F)1 mm (0.0 inches)62%extreme
March Weather30°C (86°F)6 mm (0.2 inches)59%extreme
April Weather30°C (86°F)29 mm (1.1 inches)59%extreme
May Weather29°C (84°F)241 mm (9.5 inches)59%extreme
June Weather28°C (82°F)274 mm (10.8 inches)68%extreme
July Weather29°C (84°F)80 mm (3.1 inches)77%extreme
August Weather28°C (83°F)222 mm (8.7 inches)79%extreme
September Weather27°C (82°F)248 mm (9.8 inches)77%extreme
October Weather27°C (80°F)331 mm (13.0 inches)77%extreme
November Weather27°C (80°F)55 mm (2.2 inches)75%very high
December Weather27°C (81°F)3 mm (0.1 inches)66%very high

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