June weather forecast
Sonoma, CA

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Neat rows of vines in a vineyard farm in Sonoma, California
Neat rows of vines in a vineyard farm in Sonoma, California

Weather in June

June heralds the beginning of summer in Sonoma, characterized by notably increased temperatures from May, reaching up to 79.5°F (26.4°C). As the mercury rises, rainfall becomes a rare event with practically no rainfall from June onward. The combination of longer daylight duration, reduced cloud cover, and high temperatures results in an enhanced UV index. The city wakes up to typically clear, sunny days, making it the perfect time for tourists to revel in outdoor activities. While June days may be hot, the environment is kept comfortable by a relative reduction in humidity.

Temperature

June's arrival in Sonoma sees a mild rise in the average high-temperature, transitioning from May's agreeable 71.2°F (21.8°C) to a moderately hot 79.5°F (26.4°C). Compared to daytime temperatures, Sonoma's temperature drops significantly, averaging a cool 53.1°F (11.7°C) during the nights of June.

Humidity

The average relative humidity in June is 61%.

Rainfall

In Sonoma, during June, the rain falls for 1.5 days and regularly aggregates up to 0.12" (3mm) of precipitation. Throughout the year, there are 73.3 rainfall days, and 15.47" (393mm) of precipitation is accumulated.

Daylight

The month with the longest days in Sonoma is June, with an average of 14h and 48min of daylight.
On the first day of June in Sonoma, sunrise is at 5:47 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:37 pm PDT.

Sunshine

In June, the average sunshine 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 value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A daily high UV index of 6 in June leads to these guidelines:
Stay clear of intense sun exposure. Solar protection is of utmost significance. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What is the average June temperature in Sonoma?

During June, Sonoma experiences an average high-temperature of 79.5°F (26.4°C) and a low-temperature of 53.1°F (11.7°C).

What is the average humidity in June in Sonoma?

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

How much does it rain in Sonoma in June?

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

When are the longest days in Sonoma?

The month with the longest days in Sonoma, California, is June, with an average of 14h and 48min of daylight.

How many hours of daylight does Sonoma have in June?

In June, the average day length is 14h and 47min.

When are sunrise and sunset in June in Sonoma?

On the first day of June in Sonoma, sunrise is at 5:47 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:37 pm PDT.

How many hours of sunshine does Sonoma have in June?

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

What are the months with the highest UV index in Sonoma?

The months with the highest UV index in Sonoma, California, are June and July, with an average maximum UV index of 6.

What is the UV index intensity in June in Sonoma?

In June, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Sonoma, CA

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).

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Average pressure in June
Sonoma, CA

Average pressure in June - Sonoma, CA
  • Average pressure in June: 29.91"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in June
Sonoma, CA

Average wind speed in June - Sonoma, CA
  • Average wind speed in June: 5.9mph

The windiest month (with the highest average wind speed) is May (6.2mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).

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Average humidity in June
Sonoma, CA

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%).

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Average rainfall in June
Sonoma, CA

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

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

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Average rainfall days in June
Sonoma, CA

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 least rainy days is August (0.8 days).

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Average daylight in June /
Average sunshine in June
Sonoma, CA

Average daylight in June / Average sunshine in June - Sonoma, CA
  • Average daylight in June: 14h and 5min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in June: 11h and 3min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in June
Sonoma, CA

Average sunshine days in June - Sonoma, CA
  • Average sunshine days in June: 26.8 days

The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is March (16.1 days).

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Average UV index in June
Sonoma, CA

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

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

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Average cloud cover in June
Sonoma, CA

Average cloud cover in June - Sonoma, CA
  • Average cloud cover in June: 14

The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in June
Sonoma, CA

Average visibility in June - Sonoma, CA
  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Sonoma, California, USA

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