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May Weather in Chalatenango, El Salvador

Last updated: August 23, 2025

In Chalatenango, El Salvador, the average temperature in May hovers around 27°C (81°F), offering a pleasant climate. However, temperatures can dip to as low as 19°C (67°F) and soar to a scorching 38°C (100°F). During this month, expect about 180 mm (7.1 in) of precipitation spread over 22 days, resulting in an average humidity of 59%. Stay prepared for both warm days and occasional showers!

May Temperature in Chalatenango

In May in Chalatenango, the average temperature is 27°C (81°F). The maximum can reach 38°C (100°F) and the minimum can be as low as 19°C (67°F). This makes Chalatenango an ideal destination for travelers seeking warm and pleasant weather during this time of year.

May Weather in Chalatenango: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Chalatenango, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chalatenango, May typically has an average temperature of 27°C (81°F), with highs reaching up to 38°C (100°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec778081838179818079787877
Data source: Temperature data for Chalatenango 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.

May Precipitation in Chalatenango

In Chalatenango in May, the total precipitation amount is 180 mm (7.1 in), occurring over the course of 22 days.

May Precipitation Trends in Chalatenango

The chart displays monthly precipitation patterns in Chalatenango, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Chalatenango, May typically receives around 180 mm (7.1 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec2222918022496148216186454
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Chalatenango

In Chalatenango in May humidity is 59%. With an average temperature of 27°C (81°F), this humidity feels like a warm, tropical embrace, making it perfect for leisurely strolls but a bit sticky for extended outdoor activities.

May Average Humidity in Chalatenango

This chart illustrates the average monthly humidity levels in Chalatenango, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Chalatenango is approximately 59%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Chalatenango

In Chalatenango in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Chalatenango, you can check here.

Maximum UV Index Levels in Chalatenango for May

The chart shows the monthly maximum UV Index (UVI) for Chalatenango in May, 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 May, the maximum UV index in Chalatenango typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131414141414131313109
Data source: Chalatenango May 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 May Weather in Chalatenango Compares to Other Months

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

This table compares monthly weather conditions in Chalatenango, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)2 mm (0.1 inches)63%extreme
February Weather27°C (80°F)2 mm (0.1 inches)62%extreme
March Weather27°C (82°F)2 mm (0.1 inches)59%extreme
April Weather28°C (83°F)29 mm (1.1 inches)59%extreme
May Weather27°C (81°F)180 mm (7.1 inches)59%extreme
June Weather26°C (79°F)224 mm (8.8 inches)68%extreme
July Weather27°C (81°F)96 mm (3.8 inches)77%extreme
August Weather27°C (81°F)148 mm (5.8 inches)79%extreme
September Weather26°C (79°F)216 mm (8.5 inches)77%extreme
October Weather25°C (78°F)186 mm (7.3 inches)77%extreme
November Weather25°C (78°F)45 mm (1.8 inches)75%very high
December Weather25°C (78°F)4 mm (0.2 inches)66%very high

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