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June Weather in San Juan Opico, El Salvador

Last updated: August 23, 2025

In San Juan Opico, El Salvador, the average temperature in June reaches a warm 27°C (80°F), with daily highs soaring up to 38°C (100°F) and dropping as low as 20°C (69°F). Expect a precipitation of 171 mm (6.7 in) spread across 22 days, contributing to a humidity level of about 68%. Perfect for those who enjoy tropical climates!

June Temperature in San Juan Opico

In June in San Juan Opico, the average temperature is 27°C (80°F). Maximums can reach 38°C (100°F), while minimums can be as low as 20°C (69°F). This makes it an ideal time for outdoor activities and exploring the vibrant culture of San Juan Opico.

June Weather in San Juan Opico: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in San Juan Opico, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Juan Opico, June typically has an average temperature of 27°C (80°F), with highs reaching up to 38°C (100°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec788082848280828281797978
Data source: Temperature data for San Juan Opico 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.

June Precipitation in San Juan Opico

In San Juan Opico in June, the precipitation amount is 171 mm (6.7 in) distributed over 22 days.

June Precipitation Trends in San Juan Opico

The chart displays monthly precipitation patterns in San Juan Opico, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In San Juan Opico, June typically receives around 171 mm (6.7 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec221161251715891155128352
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in San Juan Opico

In San Juan Opico in June, humidity is 68%. With an average temperature of 27°C (80°F), this humidity feels like a warm, sticky blanket enveloping you, making outdoor activities somewhat draining and prompting frequent breaks to hydrate and seek shade while traveling.

June Average Humidity in San Juan Opico

This chart illustrates the average monthly humidity levels in San Juan Opico, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in San Juan Opico is approximately 68%, 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 June generated using information from the Copernicus Climate Change Service.

June UV Index in San Juan Opico

In San Juan Opico in June, 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 Juan Opico, you can check here.

Maximum UV Index Levels in San Juan Opico for June

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

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

This table compares monthly weather conditions in San Juan Opico, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)1 mm (0.1 inches)63%extreme
February Weather27°C (81°F)2 mm (0.1 inches)62%extreme
March Weather28°C (82°F)1 mm (0.0 inches)59%extreme
April Weather29°C (84°F)16 mm (0.6 inches)59%extreme
May Weather28°C (83°F)125 mm (4.9 inches)59%extreme
June Weather27°C (80°F)171 mm (6.7 inches)68%extreme
July Weather28°C (83°F)58 mm (2.3 inches)77%extreme
August Weather28°C (82°F)91 mm (3.6 inches)79%extreme
September Weather27°C (81°F)155 mm (6.1 inches)77%extreme
October Weather26°C (80°F)128 mm (5.1 inches)77%extreme
November Weather26°C (79°F)35 mm (1.4 inches)75%very high
December Weather26°C (79°F)2 mm (0.1 inches)66%very high

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