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June Weather in Petaluma, United States

Last updated: June 24, 2025

In June, the average temperature in Petaluma, United States hovers around 18°C (65°F), offering a pleasant climate. Expect a minimum of 9°C (48°F) and a comfortable maximum of 33°C (92°F). With only 2 mm (0.1 in) of precipitation spread across 0 days, the weather remains mostly dry. Additionally, the average humidity is a mild 76%, ensuring a refreshing atmosphere.

June Temperature in Petaluma

In June in Petaluma, the average temperature is 18°C (65°F). The maximum can reach 33°C (92°F), while the minimum can drop as low as 9°C (48°F). This pleasant temperature range makes Petaluma an ideal destination for travelers seeking a comfortable climate.

June Weather in Petaluma: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Petaluma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Petaluma, June typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (92°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec505152565964656565615449
Data source: Temperature data for Petaluma 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 Petaluma

In Petaluma in June, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

June Precipitation Trends in Petaluma

The chart displays monthly precipitation patterns in Petaluma, 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 Petaluma, June typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec13114793452721123859103
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Petaluma

In Petaluma in June, humidity is 76%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making travel a little sticky but enjoyable, as long as you stay hydrated and take breaks in the shade.

June Average Humidity in Petaluma

This chart illustrates the average monthly humidity levels in Petaluma, 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 Petaluma is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%80%80%76%70%66%68%72%84%84%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Petaluma

In Petaluma 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 Petaluma.

Maximum UV Index Levels in Petaluma for June

The chart shows the monthly maximum UV Index (UVI) for Petaluma 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 Petaluma typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Petaluma 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 Petaluma Compares to Other Months

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

This table compares monthly weather conditions in Petaluma, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)131 mm (5.2 inches)86%moderate
February Weather10°C (51°F)147 mm (5.8 inches)84%moderate
March Weather11°C (52°F)93 mm (3.7 inches)83%high
April Weather13°C (56°F)45 mm (1.8 inches)80%very high
May Weather15°C (60°F)27 mm (1.0 inches)80%very high
June Weather18°C (65°F)2 mm (0.1 inches)76%extreme
July Weather18°C (65°F)1 mm (0.0 inches)70%extreme
August Weather18°C (65°F)1 mm (0.0 inches)66%very high
September Weather18°C (65°F)2 mm (0.1 inches)68%very high
October Weather16°C (61°F)38 mm (1.5 inches)72%high
November Weather12°C (54°F)59 mm (2.3 inches)84%moderate
December Weather9°C (49°F)103 mm (4.1 inches)84%moderate

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