June weather forecast and climate
Mill Valley, CA

Weather in June

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

Temperature

In June, the average high-temperature is relatively the same as in May - a pleasant 69.1°F (20.6°C). The average low-temperature, in June, is 53.2°F (11.8°C).

Humidity

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

Rainfall

June through September are months with the least rain in Mill Valley when the rain falls for 1.2 days and typically aggregates up to 0.04" (1mm) of rain.

Daylight

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

Sunshine

The average sunshine in June is 11.1h.

UV index

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 moderate health risk from the exposure to the Sun's UV radiation for average individuals.
Note: In June, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
[Resources]

FAQ

What is the temperature in June in Mill Valley?

The average high-temperature, in June, in Mill Valley, California, is 69.1°F (20.6°C), while the average low-temperature is 53.2°F (11.8°C).

What is the average humidity in June in Mill Valley?

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

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.

What is the driest month in Mill Valley?

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.

When are the longest days in Mill Valley?

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

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

The average length of the day in June in Mill Valley, California, is 14.8h.

How long on average sun shines in June in Mill Valley?

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

What are the months with the highest UV index in Mill Valley?

Months with the highest UV index are April, June through September, with an average maximum UV index of 5.

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

In Mill Valley, California, the average daily maximum UV index in June is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.

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).

[Resources]

Average pressure in June
Mill Valley, CA

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

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

[Resources]

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).

[Resources]

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%).

[Resources]

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").

[Resources]

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).
Months with the least rainy days are June and August (1.2 days).

[Resources]

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: 14.8h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in June: 11.1h

The month with the most sunshine is July (Average sunshine: 11.2h).
The month with the least sunshine is December (Average sunshine: 5.5h).

[Resources]

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).

[Resources]

Average UV index in June
Mill Valley, CA

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

Months with the highest UV index are April, June, July, August and September (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 3).

[Resources]

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).

[Resources]

Average visibility in June
Mill Valley, CA

Average visibility in June - Mill Valley, CA
  • Average visibility in June: 6mi

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

[Resources]