June Weather in San Diego, Mexico

Last updated: August 27, 2025

In June, the average temperature in San Diego, Mexico hovers around 25°C (76°F). Expect a range that can dip to a cool 16°C (61°F) or soar up to a sizzling 38°C (101°F). With an average humidity of 76%, you'll want to stay refreshed as you navigate the 100 mm (4.0 in) of precipitation spread over 19 days.

June Temperature in San Diego

In June in San Diego, the average temperature is 25°C (76°F). Maximums can reach 38°C (101°F) and minimums can be as low as 16°C (61°F). This makes it an ideal time for travelers who enjoy warm weather and outdoor activities.

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 25°C (76°F), with highs reaching up to 38°C (101°F) and lows dropping to around 16°C (61°F).

Data source: Temperature data for San Diego generated using information from the Copernicus Climate Change Service.

June Precipitation in San Diego

In San Diego in June, the precipitation amount is 100 mm (4.0 in) over the course of 19 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 100 mm (4.0 inches) of precipitation spread over approximately 19 days.

Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

June Humidity in San Diego

In San Diego in June, humidity is 76%. With an average temperature of 25°C (76°F), this humidity feels like a warm and sticky embrace, making travel slightly uncomfortable as you navigate the heat while seeking shade and hydration.

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 76%, offering insight into how humid the weather typically is during this month.

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 reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in San Diego.

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 13, which falls under the extreme exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (60°F)	16 mm (0.6 inches)	74%	very high
February Weather	18°C (64°F)	20 mm (0.8 inches)	65%	extreme
March Weather	20°C (69°F)	23 mm (0.9 inches)	58%	extreme
April Weather	23°C (74°F)	22 mm (0.8 inches)	58%	extreme
May Weather	25°C (77°F)	59 mm (2.3 inches)	67%	extreme
June Weather	25°C (76°F)	100 mm (4.0 inches)	76%	extreme
July Weather	24°C (76°F)	85 mm (3.3 inches)	67%	extreme
August Weather	24°C (76°F)	71 mm (2.8 inches)	68%	extreme
September Weather	23°C (74°F)	120 mm (4.7 inches)	81%	extreme
October Weather	21°C (70°F)	121 mm (4.8 inches)	83%	extreme
November Weather	18°C (65°F)	28 mm (1.1 inches)	84%	very high
December Weather	16°C (61°F)	12 mm (0.5 inches)	81%	high