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June Weather in San Diego, Mexico

Last updated: August 27, 2025

In June, the average temperature in San Diego, Mexico hovers around 19°C (66°F). Expect a comfortable range with a minimum of 12°C (53°F) and a maximum of 28°C (83°F). However, be prepared for some rain, as precipitation averages 262 mm (10.3 in) spread over 28 days. With an average humidity of 81%, the atmosphere feels quite lush and inviting.

June Temperature in San Diego

In June in San Diego, the average temperature is 19°C (66°F). The maximum can reach 28°C (83°F), and the minimum can be as low as 12°C (53°F). This pleasant weather makes San Diego an ideal destination for travelers seeking a comfortable climate.

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

The chart illustrates June temperature patterns in San Diego, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Diego, June typically has an average temperature of 19°C (66°F), with highs reaching up to 28°C (83°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec555861646666656565635956
Data source: Temperature data for San Diego 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 Diego

In San Diego in June, the total precipitation amount is 262 mm (10.3 in) over the course of 28 days.

June Precipitation Trends in San Diego

The chart displays monthly precipitation patterns in San Diego, 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 Diego, June typically receives around 262 mm (10.3 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec88649413319026221029133921711151
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in San Diego

In San Diego in June, humidity is 81%. With an average temperature of 19°C (66°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel both muggy and slightly stifling, often leading to a need for frequent breaks in the shade.

June Average Humidity in San Diego

This chart illustrates the average monthly humidity levels in San Diego, 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 Diego is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%86%84%81%82%81%81%82%86%90%91%91%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in San Diego

In San Diego 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 Diego, you can check here.

Maximum UV Index Levels in San Diego for June

The chart shows the monthly maximum UV Index (UVI) for San Diego 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 Diego typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121314151415141412108
Data source: San Diego 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 Diego Compares to Other Months

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

This table compares monthly weather conditions in San Diego, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (55°F)88 mm (3.5 inches)88%very high
February Weather15°C (58°F)64 mm (2.5 inches)86%extreme
March Weather16°C (61°F)93 mm (3.7 inches)84%extreme
April Weather18°C (65°F)133 mm (5.2 inches)81%extreme
May Weather19°C (67°F)190 mm (7.5 inches)82%extreme
June Weather19°C (66°F)262 mm (10.3 inches)81%extreme
July Weather18°C (65°F)210 mm (8.3 inches)81%extreme
August Weather18°C (65°F)291 mm (11.4 inches)82%extreme
September Weather18°C (65°F)339 mm (13.3 inches)86%extreme
October Weather17°C (63°F)217 mm (8.5 inches)90%extreme
November Weather15°C (59°F)111 mm (4.4 inches)91%very high
December Weather13°C (57°F)51 mm (2.0 inches)91%very high

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