July weather forecast
Larkspur, CA

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Weather in July

July, like June, is another pleasant summer month in Larkspur, California, with an average temperature varying between 70.5°F (21.4°C) and 54.3°F (12.4°C).

Temperature

With July's arrival, Larkspur's weather records an average high-temperature of a still pleasant 70.5°F (21.4°C), marking little difference from June's 69.1°F (20.6°C). The temperature dips to an average of 54.3°F (12.4°C) during July nights.

Humidity

In July, the average relative humidity is 75%.

Rainfall

The months with the least rainfall are June through September Rain falls for 1.4 days and accumulates 0.04" (1mm) of rain.

Daylight

In July, the average length of the day is 14h and 29min.
On the first day of July, sunrise is at 5:51 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:19 pm PDT.

Sunshine

July has the most sunshine of the year, with an average of 11.2h of sunshine.

UV index

The months with the highest UV index are April, June through September, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In July, the average maximum UV index of 5 translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

What is the average July temperature?

In Larkspur, 70.5°F (21.4°C) is the average high-temperature and 54.3°F (12.4°C) is the average low-temperature during July.

What is the average humidity in July?

In Larkspur, the average relative humidity in July is 75%.

What is the driest month?

June through September are months with the least rain when the rain falls for 1.4 days and typically aggregates up to 0.04" (1mm) of rain.

How much does it rain in July?

In Larkspur, in July, during 1.4 rainfall days, 0.04" (1mm) of precipitation is typically accumulated.

How many hours of daylight does Larkspur have in July?

In July, the average day length is 14h and 29min.

When are sunrise and sunset in July?

On the first day of July, sunrise is at 5:51 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:19 pm PDT.

What month has the most sunshine?

With an average of 11.2h of sunshine, July has the most sunshine of the year.

How many hours of sunshine does Larkspur have in July?

In July, the average sunshine duration is 11.2h.

When is the highest UV index?

The 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 July?

In Larkspur, the average daily maximum UV index in July is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from 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 July
Larkspur, CA

Average temperature in July - Larkspur, CA
  • Average high temperature in July: 70.5°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 July: 54.3°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).

Average pressure in July
Larkspur, CA

Average pressure in July - Larkspur, CA
  • Average pressure in July: 29.93"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).

Average wind speed in July
Larkspur, CA

Average wind speed in July - Larkspur, CA
  • Average wind speed in July: 6.6mph

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).

Average humidity in July
Larkspur, CA

Average humidity in July - Larkspur, CA
  • Average humidity in July: 75%

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

Average rainfall in July
Larkspur, CA

Average rainfall in July - Larkspur, CA
  • Average rainfall in July: 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").

Average rainfall days in July
Larkspur, CA

Average rainfall days in July - Larkspur, CA
  • Average rainfall days in July: 1.4 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).

Average daylight in July /
Average sunshine in July
Larkspur, CA

Average daylight in July / Average sunshine in July - Larkspur, CA
  • Average daylight in July: 14h and 3min

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 July: 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).

Average sunshine days in July
Larkspur, CA

Average sunshine days in July - Larkspur, CA
  • Average sunshine days in July: 26.3 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).

Average UV index in July
Larkspur, CA

Average UV index in July - Larkspur, CA
  • Average UV index in July: 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).

Average cloud cover in July
Larkspur, CA

Average cloud cover in July - Larkspur, CA
  • Average cloud cover in July: 21

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

Average visibility in July
Larkspur, CA

Average visibility in July - Larkspur, 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).

Larkspur, California, USA

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