nomadseason

June Weather in San Francisco, Peru

Last updated: August 27, 2025

In June, the average temperature in San Francisco, Peru hovers around 15°C (59°F), making it a pleasant time to visit. Expect minimum temperatures to drop to 6°C (42°F), while highs can reach up to 24°C (75°F). During this month, precipitation amounts to approximately 40 mm (1.6 in) over about 6 days, coupled with an average humidity level of 70%. Whether you're exploring the outdoors or enjoying cozy indoor activities, this month offers a balanced climate for all!

June Temperature in San Francisco

In June in San Francisco, the average temperature is 15°C (59°F). Maximum can reach 24°C (75°F), and minimum can be as low as 6°C (42°F). This pleasant climate makes San Francisco an ideal destination for travelers seeking mild 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 15°C (59°F), with highs reaching up to 24°C (75°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec616161605959585859616261
Data source: Temperature data for San Francisco generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
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 40 mm (1.6 in) over the course of 6 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 40 mm (1.6 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec408401465282105402764189299325325
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

June Humidity in San Francisco

In San Francisco in June, humidity is 70%. With an average temperature of 15°C (59°F), this humidity feels like a warm embrace, making it slightly uncomfortable while traveling, as the moist air clings to your skin and can leave you feeling slightly lethargic.

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 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%92%90%85%70%55%44%52%65%81%89%
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 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171717161311121315171716
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 Weather16°C (61°F)408 mm (16.0 inches)93%extreme
February Weather16°C (61°F)401 mm (15.8 inches)92%extreme
March Weather16°C (61°F)465 mm (18.3 inches)92%extreme
April Weather16°C (61°F)282 mm (11.1 inches)90%extreme
May Weather15°C (60°F)105 mm (4.1 inches)85%extreme
June Weather15°C (59°F)40 mm (1.6 inches)70%extreme
July Weather14°C (58°F)27 mm (1.1 inches)54%extreme
August Weather15°C (58°F)64 mm (2.5 inches)44%extreme
September Weather15°C (60°F)189 mm (7.5 inches)52%extreme
October Weather16°C (61°F)299 mm (11.8 inches)65%extreme
November Weather16°C (62°F)325 mm (12.8 inches)81%extreme
December Weather16°C (62°F)325 mm (12.8 inches)89%extreme

Compare San Francisco's Climate with Cities Worldwide