May Weather in San Jacinto, Guatemala

Last updated: August 23, 2025

In May, the average temperature in San Jacinto, Guatemala is a pleasant 25°C (78°F), with daily highs reaching up to 36°C (97°F) and lows dipping to 17°C (63°F). Expect about 143 mm (5.6 in) of precipitation over 19 days, maintaining an average humidity of 51%. It's a great time to visit, just be prepared for some wet days!

May Temperature in San Jacinto

In May in San Jacinto, the average temperature is 25°C (78°F), with maximums reaching 36°C (97°F) and minimums dropping to as low as 17°C (63°F). This pleasant climate makes San Jacinto an ideal destination for travelers looking to enjoy warm weather activities during this time.

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

The chart illustrates May temperature patterns in San Jacinto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jacinto, May typically has an average temperature of 25°C (78°F), with highs reaching up to 36°C (97°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec687172777775747474737068
Data source: Temperature data for San Jacinto generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in San Jacinto

In San Jacinto in May, the total precipitation amount is 143 mm (5.6 in) spread over 19 days.

May Precipitation Trends in San Jacinto

The chart displays monthly precipitation patterns in San Jacinto, 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 Jacinto, May typically receives around 143 mm (5.6 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec151413231442251081722011846321
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in San Jacinto

In San Jacinto in May, humidity is 51%. With an average temperature of 25°C (78°F), this humidity feels like a warm embrace, making it perfect for leisurely strolls, yet travelers should stay hydrated to fully enjoy the vibrant sights without feeling sluggish.

May Average Humidity in San Jacinto

This chart illustrates the average monthly humidity levels in San Jacinto, 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 Jacinto is approximately 51%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%72%61%53%51%52%58%63%71%79%79%74%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Jacinto

In San Jacinto 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 Jacinto, you can check here.

Maximum UV Index Levels in San Jacinto for May

The chart shows the monthly maximum UV Index (UVI) for San Jacinto 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 Jacinto typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131415141414141313109
Data source: San Jacinto 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 Jacinto Compares to Other Months

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

This table compares monthly weather conditions in San Jacinto, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (68°F)15 mm (0.6 inches)80%extreme
February Weather22°C (71°F)14 mm (0.6 inches)72%extreme
March Weather22°C (73°F)13 mm (0.5 inches)61%extreme
April Weather25°C (77°F)23 mm (0.9 inches)53%extreme
May Weather25°C (78°F)143 mm (5.6 inches)51%extreme
June Weather24°C (75°F)225 mm (8.8 inches)52%extreme
July Weather23°C (74°F)108 mm (4.3 inches)58%extreme
August Weather24°C (75°F)172 mm (6.8 inches)63%extreme
September Weather24°C (75°F)201 mm (7.9 inches)71%extreme
October Weather23°C (74°F)184 mm (7.2 inches)79%extreme
November Weather21°C (70°F)63 mm (2.5 inches)79%very high
December Weather20°C (69°F)21 mm (0.8 inches)74%very high

Compare San Jacinto's Climate with Cities Worldwide