July weather forecast
Los Altos Hills, CA

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Weather in July

July, like June, is another pleasant summer month in Los Altos Hills, California, with an average temperature varying between 54.7°F (12.6°C) and 72.7°F (22.6°C).

Temperature

The transition into July marks the average high-temperature at a still agreeable 72.7°F (22.6°C), differing minimally from June's 70°F (21.1°C). During July, Los Altos Hills sees a mean low-temperature of 54.7°F (12.6°C).

Humidity

In July, the average relative humidity is 73%.

Rainfall

In Los Altos Hills, in July, during 1.5 rainfall days, 0.08" (2mm) of precipitation is typically accumulated. Throughout the year, there are 57.5 rainfall days, and 4.76" (121mm) of precipitation is accumulated.

Daylight

In July, the average length of the day is 14h and 26min.
On the first day of July, sunrise is at 5:51 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:16 pm PDT.

Sunshine

The month with the most sunshine is July, with an average of 12h of sunshine.

UV index

The months with the highest UV index are June through September, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In July, the maximum UV index of 5 translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

What is the temperature in July?

The high-temperature, in July, in Los Altos Hills, is 72.7°F (22.6°C), while the low-temperature averages to 54.7°F (12.6°C).

What is the average humidity in July in Los Altos Hills?

The average relative humidity in July is 73%.

How much does it rain in July?

In Los Altos Hills, in July, it is raining for 1.5 days, with typically 0.08" (2mm) of accumulated precipitation.

What is the average length of the day in July?

In July, the average day length is 14h and 26min.

When is the sunrise / sunset in July?

On the first day of July in Los Altos Hills, sunrise is at 5:51 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:16 pm PDT.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 12h of sunshine.

How long on average sun shines in July?

In Los Altos Hills, the average sunshine duration in July is 12h.

What are the months with the highest UV index?

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

What is the UV index reading in July?

In July, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health risk 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 July
Los Altos Hills, CA

Average temperature in July - Los Altos Hills, CA
  • Average high temperature in July: 72.7°F

The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (55.8°F).

  • Average low temperature in July: 54.7°F

The months with the highest average low temperature are August and September (56.7°F).
The coldest months (with the lowest average low temperature) are January and February (46.4°F).

Average pressure in July
Los Altos Hills, CA

Average pressure in July - Los Altos Hills, CA
  • Average pressure in July: 29.94"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).

Average wind speed in July
Los Altos Hills, CA

Average wind speed in July - Los Altos Hills, CA
  • Average wind speed in July: 5.7mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in July
Los Altos Hills, CA

Average humidity in July - Los Altos Hills, CA
  • Average humidity in July: 73%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is October (68%).

Average rainfall in July
Los Altos Hills, CA

Average rainfall in July - Los Altos Hills, CA
  • Average rainfall in July: 0.08"

The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in July
Los Altos Hills, CA

Average rainfall days in July - Los Altos Hills, CA
  • Average rainfall days in July: 1.5 days

The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is June (0.9 days).

Average daylight in July /
Average sunshine in July
Los Altos Hills, CA

Average daylight in July / Average sunshine in July - Los Altos Hills, CA
  • Average daylight in July: 14h and 2min

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 July: 12h and 0min

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 54min).

Average sunshine days in July
Los Altos Hills, CA

Average sunshine days in July - Los Altos Hills, CA
  • Average sunshine days in July: 26.3 days

The months with the most sunshine days are June and July (26.3 days).
The month with the least sunshine days is March (18.3 days).

Average UV index in July
Los Altos Hills, CA

Average UV index in July - Los Altos Hills, CA
  • Average UV index in July: 5

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

Average cloud cover in July
Los Altos Hills, CA

Average cloud cover in July - Los Altos Hills, CA
  • Average cloud cover in July: 9

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).

Average visibility in July
Los Altos Hills, CA

Average visibility in July - Los Altos Hills, CA
  • Average visibility in July: 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).

Los Altos Hills, California, USA

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