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June Weather in San Francisco, Mexico

Last updated: August 27, 2025

In June, the average temperature in San Francisco, Mexico is a warm 28°C (82°F), with the mercury dipping to a comfortable 22°C (72°F) and soaring up to 36°C (96°F). Expect to see some rain, as 164 mm (6.5 in) of precipitation falls over approximately 18 days. The air is generally humid, with an average humidity level of 69%, making it a typical tropical destination.

June Temperature in San Francisco

In June in San Francisco, the average temperature is 28°C (82°F). Maximums can reach 36°C (96°F), while minimums can be as low as 22°C (72°F). This makes San Francisco an ideal destination for warm-weather activities and exploring the outdoors.

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

The chart illustrates June temperature patterns in San Francisco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Francisco, June typically has an average temperature of 28°C (82°F), with highs reaching up to 36°C (96°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec737677808282828281807674
Data source: Temperature data for San Francisco 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 Francisco

In San Francisco in June, the precipitation amount is 164 mm (6.5 in) over the course of 18 days.

June Precipitation Trends in San Francisco

The chart displays monthly precipitation patterns in San Francisco, 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 Francisco, June typically receives around 164 mm (6.5 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec3919153989164871101481746735
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in San Francisco

In San Francisco in June, humidity is 69%. With an average temperature of 28°C (82°F), this humidity feels like a warm embrace that clings to your skin, making outdoor exploration slightly more challenging but still enjoyable as you soak in the vibrant surroundings.

June Average Humidity in San Francisco

This chart illustrates the average monthly humidity levels in San Francisco, 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 Francisco is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%71%70%68%69%74%81%82%83%84%86%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in San Francisco

In San Francisco 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 Francisco.

Maximum UV Index Levels in San Francisco for June

The chart shows the monthly maximum UV Index (UVI) for San Francisco 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 Francisco typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121313131212121187
Data source: San Francisco 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 Francisco Compares to Other Months

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

This table compares monthly weather conditions in San Francisco, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)38 mm (1.5 inches)81%very high
February Weather24°C (76°F)19 mm (0.8 inches)78%very high
March Weather25°C (77°F)15 mm (0.6 inches)71%extreme
April Weather27°C (81°F)38 mm (1.5 inches)70%extreme
May Weather28°C (82°F)89 mm (3.5 inches)68%extreme
June Weather28°C (82°F)164 mm (6.5 inches)69%extreme
July Weather28°C (83°F)87 mm (3.4 inches)74%extreme
August Weather28°C (83°F)110 mm (4.3 inches)81%extreme
September Weather27°C (82°F)148 mm (5.8 inches)82%extreme
October Weather26°C (80°F)174 mm (6.9 inches)83%extreme
November Weather24°C (76°F)67 mm (2.6 inches)84%very high
December Weather23°C (74°F)35 mm (1.4 inches)86%high

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