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June Weather in San Francisco, Mexico

Last updated: August 27, 2025

In June, the average temperature in San Francisco, Mexico hovers around 25°C (78°F), offering a pleasant climate for outdoor activities. Expect minimums of 18°C (64°F) and maximums of 35°C (96°F). However, prepare for some rain, as precipitation totals around 210 mm (8.3 in) spread over 23 days. With an average humidity of 79%, it's a month that balances warmth with a touch of tropical flair.

June Temperature in San Francisco

In June in San Francisco, the average temperature is 25°C (78°F), with maximums reaching up to 35°C (96°F) and minimums dropping as low as 18°C (64°F). This pleasant climate makes San Francisco an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

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 25°C (78°F), with highs reaching up to 35°C (96°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec636669747878777777736864
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 210 mm (8.3 in) over the course of 23 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 210 mm (8.3 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec927911211718521114119121228712762
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 79%. With an average temperature of 25°C (78°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities less inviting and requiring frequent breaks to stay refreshed.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%83%80%82%79%72%74%84%92%91%91%
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.
JanFebMarAprMayJunJulAugSepOctNovDec811121313131313131197
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 Weather17°C (63°F)92 mm (3.6 inches)88%very high
February Weather19°C (66°F)79 mm (3.1 inches)86%extreme
March Weather21°C (70°F)112 mm (4.4 inches)83%extreme
April Weather23°C (74°F)117 mm (4.6 inches)80%extreme
May Weather25°C (78°F)185 mm (7.3 inches)82%extreme
June Weather25°C (78°F)210 mm (8.3 inches)79%extreme
July Weather25°C (77°F)141 mm (5.5 inches)72%extreme
August Weather25°C (78°F)191 mm (7.5 inches)74%extreme
September Weather25°C (77°F)212 mm (8.4 inches)84%extreme
October Weather23°C (74°F)287 mm (11.3 inches)92%extreme
November Weather20°C (68°F)127 mm (5.0 inches)91%very high
December Weather18°C (64°F)62 mm (2.4 inches)91%high

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