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May Weather in Santiago Nonualco, El Salvador

Last updated: August 23, 2025

In May, the average temperature in Santiago Nonualco, El Salvador is a warm 27°C (80°F), making it a delightful time to enjoy the outdoors. Expect temperatures to range from a comfortable 23°C (74°F) to a balmy 32°C (90°F). However, be prepared for some rain, as 287 mm (11.3 in) of precipitation can occur over 26 days, accompanied by an average humidity of 59%.

May Temperature in Santiago Nonualco

In May in Santiago Nonualco, the average temperature is 27°C (80°F). The maximum can reach 32°C (90°F), while the minimum can drop to as low as 23°C (74°F). This pleasant weather makes it an ideal time for outdoor activities and exploring the vibrant attractions of Santiago Nonualco.

May Weather in Santiago Nonualco: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Santiago Nonualco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago Nonualco, May typically has an average temperature of 27°C (80°F), with highs reaching up to 32°C (90°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec798081818079818079787979
Data source: Temperature data for Santiago Nonualco 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 Santiago Nonualco

In Santiago Nonualco in May, the precipitation amount is 287 mm (11.3 in) spread over a duration of 26 days.

May Precipitation Trends in Santiago Nonualco

The chart displays monthly precipitation patterns in Santiago Nonualco, 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 Santiago Nonualco, May typically receives around 287 mm (11.3 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec35745287316145256290349747
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Santiago Nonualco

In Santiago Nonualco in May, humidity is 59%. With an average temperature of 27°C (80°F), this humidity feels like a warm embrace, making it essential for travelers to stay hydrated while exploring the vibrant surroundings.

May Average Humidity in Santiago Nonualco

This chart illustrates the average monthly humidity levels in Santiago Nonualco, 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 Santiago Nonualco 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 Santiago Nonualco

In Santiago Nonualco 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 Santiago Nonualco, you can check here.

Maximum UV Index Levels in Santiago Nonualco for May

The chart shows the monthly maximum UV Index (UVI) for Santiago Nonualco 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 Santiago Nonualco typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141413131313109
Data source: Santiago Nonualco 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 Santiago Nonualco Compares to Other Months

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

This table compares monthly weather conditions in Santiago Nonualco, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)3 mm (0.1 inches)63%extreme
February Weather26°C (80°F)5 mm (0.2 inches)62%extreme
March Weather27°C (81°F)7 mm (0.3 inches)59%extreme
April Weather27°C (81°F)45 mm (1.8 inches)59%extreme
May Weather27°C (80°F)287 mm (11.3 inches)59%extreme
June Weather26°C (80°F)316 mm (12.4 inches)68%extreme
July Weather27°C (81°F)145 mm (5.7 inches)77%extreme
August Weather27°C (80°F)256 mm (10.1 inches)79%extreme
September Weather26°C (79°F)290 mm (11.4 inches)77%extreme
October Weather26°C (79°F)349 mm (13.7 inches)77%extreme
November Weather26°C (79°F)74 mm (2.9 inches)75%very high
December Weather26°C (79°F)7 mm (0.3 inches)66%very high

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