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May Weather in San Jeronimo, Guatemala

Last updated: August 23, 2025

In May, the average temperature in San Jeronimo, Guatemala hovers around 23°C (74°F), providing a pleasant climate ideal for exploration. Temperatures can dip as low as 15°C (58°F), but can also soar to a maximum of 36°C (96°F). Expect 145 mm (5.7 in) of precipitation spread across roughly 21 days, giving way to a 65% humidity level that keeps the air feeling fresh yet warm.

May Temperature in San Jeronimo

In May in San Jeronimo, the average temperature is 23°C (74°F), with maximums reaching 36°C (96°F) and minimums dropping as low as 15°C (58°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

May Weather in San Jeronimo: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in San Jeronimo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jeronimo, May typically has an average temperature of 23°C (74°F), with highs reaching up to 36°C (96°F) and lows dropping to around 15°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec666970747472727272716867
Data source: Temperature data for San Jeronimo 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 San Jeronimo

In San Jeronimo in May, the total precipitation amount is 145 mm (5.7 in) spread over 21 days.

May Precipitation Trends in San Jeronimo

The chart displays monthly precipitation patterns in San Jeronimo, 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 San Jeronimo, May typically receives around 145 mm (5.7 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec1691534145182981691722047717
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Jeronimo

In San Jeronimo in May, humidity is 65%. With an average temperature of 23°C (74°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat challenging but still enjoyable with the right planning.

May Average Humidity in San Jeronimo

This chart illustrates the average monthly humidity levels in San Jeronimo, 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 San Jeronimo is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%68%59%57%65%66%75%82%82%83%80%76%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Jeronimo

In San Jeronimo 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 San Jeronimo, you can check here.

Maximum UV Index Levels in San Jeronimo for May

The chart shows the monthly maximum UV Index (UVI) for San Jeronimo 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 San Jeronimo typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131515141414141413119
Data source: San Jeronimo 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 San Jeronimo Compares to Other Months

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

This table compares monthly weather conditions in San Jeronimo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (67°F)16 mm (0.6 inches)76%extreme
February Weather20°C (69°F)9 mm (0.3 inches)68%extreme
March Weather21°C (70°F)15 mm (0.6 inches)59%extreme
April Weather23°C (74°F)34 mm (1.3 inches)57%extreme
May Weather23°C (74°F)145 mm (5.7 inches)65%extreme
June Weather22°C (72°F)182 mm (7.2 inches)66%extreme
July Weather22°C (72°F)98 mm (3.9 inches)75%extreme
August Weather22°C (72°F)169 mm (6.7 inches)82%extreme
September Weather22°C (72°F)172 mm (6.8 inches)82%extreme
October Weather21°C (71°F)204 mm (8.0 inches)83%extreme
November Weather20°C (69°F)77 mm (3.0 inches)80%extreme
December Weather19°C (67°F)17 mm (0.7 inches)76%very high

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