June weather forecast
Mill Valley, CA

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Weather in June

The first month of the summer, June, is an agreeable month in Mill Valley, California, with an average temperature ranging between max 69.1°F (20.6°C) and min 53.2°F (11.8°C).

Temperature

As May turns into June, the average high-temperatures rest at an agreeable 69.1°F (20.6°C), showing a minor variation from the prior month. Mill Valley experiences an average low-temperature of 53.2°F (11.8°C) in month of June.

Humidity

In June, the average relative humidity is 73%.

Rainfall

The months with the least rainfall are June through September Rain falls for 1.2 days and accumulates 0.04" (1mm) of rain.

Daylight

The month with the longest days is June, with an average of 14h and 48min of daylight.
On the first day of the month, sunrise is at 5:49 am and sunset at 8:27 pm. On the last day of June, in Mill Valley, sunrise is at 5:51 am and sunset at 8:36 pm PDT.

Sunshine

In Mill Valley, the average sunshine in June is 11.1h.

UV index

The months with the highest UV index in Mill Valley are April, June through September, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 5 during June translates into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. To protect against the Sun's most potent rays, avoid direct exposure around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What are June temperatures in Mill Valley?

Mill Valley in June has an average high-temperature of 69.1°F (20.6°C) and an average low-temperature of 53.2°F (11.8°C).

What is the average humidity in June in Mill Valley?

In Mill Valley, the average relative humidity in June is 73%.

What is the driest month in Mill Valley?

The months with the least rainfall in Mill Valley are June through September Rain falls for 1.2 days and accumulates 0.04" (1mm) of rain.

How much does it rain in Mill Valley in June?

In Mill Valley, during June, the rain falls for 1.2 days and regularly aggregates up to 0.04" (1mm) of precipitation.

When are the longest days in Mill Valley?

June has the longest days of the year in Mill Valley, with an average of 14h and 48min of daylight.

How many hours of daylight does Mill Valley have in June?

In Mill Valley, the average day length in June is 14h and 45min.

When is the sunrise / sunset in June in Mill Valley?

On the first day of June, sunrise is at 5:49 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:36 pm PDT.

How many hours of sunshine does Mill Valley have in June?

In Mill Valley, California, the average sunshine duration in June is 11.1h.

When is the highest UV index in Mill Valley?

April, June through September, with an average maximum UV index of 5, are months with the highest UV index in Mill Valley.

How high is the UV index in June in Mill Valley?

In June, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Mill Valley, CA

Average temperature in June - Mill Valley, CA
  • Average high temperature in June: 69.1°F

The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in June: 53.2°F

The month with the highest average low temperature is September (56.1°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).

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Average pressure in June
Mill Valley, CA

Average pressure in June - Mill Valley, CA
  • Average pressure in June: 29.92"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in June
Mill Valley, CA

Average wind speed in June - Mill Valley, CA
  • Average wind speed in June: 7.5mph

The windiest month (with the highest average wind speed) is May (7.8mph).
The calmest months (with the lowest average wind speed) are October and November (5.5mph).

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Average humidity in June
Mill Valley, CA

Average humidity in June - Mill Valley, CA
  • Average humidity in June: 73%

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in June
Mill Valley, CA

Average rainfall in June - Mill Valley, CA
  • Average rainfall in June: 0.04"

The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July, August and September (0.04").

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Average rainfall days in June
Mill Valley, CA

Average rainfall days in June - Mill Valley, CA
  • Average rainfall days in June: 1.2 days

The month with the highest number of rainy days is March (8.8 days).
The months with the least rainy days are June and August (1.2 days).

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Average daylight in June /
Average sunshine in June
Mill Valley, CA

Average daylight in June / Average sunshine in June - Mill Valley, 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 1min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in June
Mill Valley, CA

Average sunshine days in June - Mill Valley, CA
  • Average sunshine days in June: 26.4 days

The month with the most sunshine days is June (26.4 days).
The month with the least sunshine days is March (20.7 days).

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Average UV index in June
Mill Valley, CA

Average UV index in June - Mill Valley, CA
  • Average UV index in June: 5

The months with the highest UV index are April, June, July, August and September (UV index 5).
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
Mill Valley, CA

Average cloud cover in June - Mill Valley, CA
  • Average cloud cover in June: 22

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).

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Average visibility in June
Mill Valley, CA

Average visibility in June - Mill Valley, 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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Mill Valley, California, USA

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