June weather forecast
Palo Alto, CA

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Palm trees and the iconic Hoover Tower within Stanford University in Palo Alto, California
Palm trees and the iconic Hoover Tower within Stanford University in Palo Alto, California

Weather in June

The first month of the summer, June, is a moderately hot month in Palo Alto, California, with an average temperature varying between 53.8°F (12.1°C) and 74.8°F (23.8°C).

Temperature

With the onset of June, Palo Alto's average high-temperature experiences a slight rise, moving from May's agreeable 68.2°F (20.1°C) to a moderately hot 74.8°F (23.8°C). Throughout the month of June, Palo Alto expects an average low of 53.8°F (12.1°C).

Humidity

In June, the average relative humidity is 66%.

Rainfall

June is the last month it rains in Palo Alto. During 1.2 rainfall days, in June, Palo Alto aggregates 0.04" (1mm) of precipitation. Throughout the year, in Palo Alto, California, there are 63.3 rainfall days, and 9.53" (242mm) of precipitation is accumulated.

Daylight

With an average of 14h and 42min of daylight, June has the longest days of the year.
On the first day of June in Palo Alto, sunrise is at 5:48 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:33 pm PDT.

Sunshine

In June, the average sunshine is 11.7h.

UV index

April through October, with an average maximum UV index of 5, are months with the highest UV index in Palo Alto, California. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In June, a daily maximum UV index of 5 leads to the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What is the usual temperature for Palo Alto in June?

The high-temperature, in June, in Palo Alto, records 74.8°F (23.8°C), while the low-temperature is 53.8°F (12.1°C).

What is the average humidity in June in Palo Alto?

The average relative humidity in June in Palo Alto is 66%.

What is the last month it rains in Palo Alto?

June is the last month it rains in Palo Alto. During 1.2 rainfall days, in June, Palo Alto aggregates 0.04" (1mm) of precipitation.

When are the longest days in Palo Alto?

June has the longest days of the year in Palo Alto, California, with an average of 14h and 42min of daylight.

What is the average length of the day in June in Palo Alto?

In June, the average day length is 14h and 43min.

When is the sunrise / sunset in June in Palo Alto?

On the first day of June in Palo Alto, California, sunrise is at 5:48 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:33 pm PDT.

How many hours of sunshine does Palo Alto have in June?

In Palo Alto, California, the average sunshine duration in June is 11.7h.

When is the highest UV index in Palo Alto?

April through October, with an average maximum UV index of 5, are months with the highest UV index.

How high is the UV index in June in Palo Alto?

In June, the average daily maximum UV index in Palo Alto, California, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
Palo Alto, CA

Average temperature in June - Palo Alto, CA
  • Average high temperature in June: 74.8°F

The warmest months (with the highest average high temperature) are July and August (77.5°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in June: 53.8°F

The month with the highest average low temperature is August (57°F).
The coldest months (with the lowest average low temperature) are January and February (45.1°F).

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Average pressure in June
Palo Alto, CA

Average pressure in June - Palo Alto, 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 and September (29.92"Hg).

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Average wind speed in June
Palo Alto, CA

Average wind speed in June - Palo Alto, CA
  • Average wind speed in June: 6.1mph

The windiest months (with the highest average wind speed) are April and May (6.5mph).
The calmest months (with the lowest average wind speed) are September and October (4.9mph).

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Average humidity in June
Palo Alto, CA

Average humidity in June - Palo Alto, CA
  • Average humidity in June: 66%

The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are September and October (65%).

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Average rainfall in June
Palo Alto, CA

Average rainfall in June - Palo Alto, CA
  • Average rainfall in June: 0.04"

The wettest month (with the highest rainfall) is February (2.01").
The driest month (with the least rainfall) is July (0").

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Average rainfall days in June
Palo Alto, CA

Average rainfall days in June - Palo Alto, CA
  • Average rainfall days in June: 1.2 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.6 days).

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Average daylight in June /
Average sunshine in June
Palo Alto, CA

Average daylight in June / Average sunshine in June - Palo Alto, CA
  • Average daylight in June: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in June: 11h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

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Average sunshine days in June
Palo Alto, CA

Average sunshine days in June - Palo Alto, CA
  • Average sunshine days in June: 28.4 days

The month with the most sunshine days is July (30.2 days).
The month with the least sunshine days is March (18 days).

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Average UV index in June
Palo Alto, CA

Average UV index in June - Palo Alto, CA
  • Average UV index in June: 5

The months with the highest UV index are April, May, June, July, August, September and October (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).

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Average cloud cover in June
Palo Alto, CA

Average cloud cover in June - Palo Alto, CA
  • Average cloud cover in June: 12

The months with the most cloud cover are March and December (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 6).

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Average visibility in June
Palo Alto, CA

Average visibility in June - Palo Alto, 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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Palo Alto, California, USA

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