Sonoma
California, USA
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Sonoma, CA

Neat rows of vines in a vineyard farm in Sonoma, California, the sun rays beaming through the cloudy sunset sky, and distant hilly silhouettes
Neat rows of vines in a vineyard farm in Sonoma, California, the sun rays beaming through the cloudy sunset sky, and distant hilly silhouettes
The first month of the summer, June, is a moderately hot month in Sonoma, California, with average temperature ranging between min 53.1°F (11.7°C) and max 79.5°F (26.4°C).

Temperature

In Sonoma, the average high-temperature slightly increases, from a pleasant 71.2°F (21.8°C) in May, to a warm 79.5°F (26.4°C). In June, the average low-temperature is 53.1°F (11.7°C).

Humidity

In Sonoma, the average relative humidity in June is 61%.

Rainfall

In Sonoma, California, during 1.5 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. Throughout the year, in Sonoma, there are 73.3 rainfall days, and 15.47" (393mm) of precipitation is accumulated.

Daylight

The month with the longest days is June, with an average of 14.8h of daylight.

Sunshine

In Sonoma, the average sunshine in June is 11.5h.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in June in Sonoma?

In June, in Sonoma, California, the average high-temperature is 79.5°F (26.4°C), and the average low-temperature is 53.1°F (11.7°C).

What is the average humidity in June in Sonoma?

The average relative humidity in June is 61%.

How much does it rain in Sonoma in June?

In Sonoma, California, in June, during 1.5 rainfall days, 0.12" (3mm) of precipitation is typically accumulated.

When are the longest days in Sonoma?

June has the longest days of the year in Sonoma, with an average of 14.8h of daylight.

How many hours of daylight does Sonoma have in June?

In Sonoma, California, the average length of the day in June is 14.8h.

How long on average sun shines in June in Sonoma?

In Sonoma, California, the average sunshine in June is 11.5h.

What is the month with the highest UV index in Sonoma?

Months with the highest UV index are June and July, with an average maximum UV index of 6.

How high is the UV index in June in Sonoma?

In Sonoma, the average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in June - Sonoma, CA
  • Average high temperature in June: 79.5°F

The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in June: 53.1°F

The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).

Average humidity in June - Sonoma, CA
  • Average humidity in June: 61%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (59%).

Average rainfall in June - Sonoma, CA
  • Average rainfall in June: 0.12"

The wettest month (with the highest rainfall) is February (3.43").
Driest months (with the lowest rainfall) are July and August (0.04").

Average rainfall days in June - Sonoma, CA
  • Average rainfall days in June: 1.5 days

The month with the highest number of rainy days is March (13.4 days).
The month with the lowest number of rainy days is August (0.8 days).

Average daylight in June / Average sunshine in June - Sonoma, CA
  • Average daylight in June: 14.8h

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.5h).

  • Average sunshine in June: 11.5h

The month with most sunshine is July (Average sunshine: 12h).
The month with least sunshine is December (Average sunshine: 5.6h).

Average UV index in June - Sonoma, CA
  • Average UV index in June: 6

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).