July weather forecast
Lafayette, CA

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Weather in July

July, the same as June, is another warm summer month in Lafayette, California, with temperature in the range of an average high of 80.1°F (26.7°C) and an average low of 55.6°F (13.1°C).

Temperature

Lafayette's warmest month, July, registers temperatures that range from a high of 80.1°F (26.7°C) to a low of 55.6°F (13.1°C).

Humidity

The average relative humidity in July in Lafayette, California, is 63%.

Rainfall

July and August are months with the least rain in Lafayette, California, when the rain falls for 1.4 days and typically aggregates up to 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 5:50 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:18 pm PDT.

Sunshine

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

UV index

In July, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 5 during July translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What is the warmest month in Lafayette?

July, recognised by an average high temperature of 80.1°F (26.7°C) and a low of 55.6°F (13.1°C), is Lafayette's warmest month.

What is the usual temperature for Lafayette in July?

In July, in Lafayette, the average high-temperature is 80.1°F (26.7°C), and the average low-temperature is 55.6°F (13.1°C).

What is the average humidity in July in Lafayette?

In July, the average relative humidity in Lafayette, California, is 63%.

What is the driest month in Lafayette?

July and August are months with the least rain in Lafayette when the rain falls for 1.4 days and typically aggregates up to 0.04" (1mm) of rain.

How many days does it rain in July in Lafayette?

In Lafayette, California, during July, the rain falls for 1.4 days and regularly aggregates up to 0.04" (1mm) of precipitation.

How many hours of daylight does Lafayette have in July?

The average day length in July in Lafayette, California, is 14h and 29min.

What time are sunrise and sunset in July in Lafayette?

In July, on the first day of the month, sunrise is at 5:50 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:18 pm PDT.

What month has the most sunshine in Lafayette?

With an average of 12h of sunshine, July has the most sunshine of the year in Lafayette, California.

How many hours of sunshine does Lafayette have in July?

In Lafayette, the average sunshine duration in July is 12h.

What is the UV index intensity in July in Lafayette?

The average daily maximum UV index in July in Lafayette is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe 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
Lafayette, CA

Average temperature in July - Lafayette, CA
  • Average high temperature in July: 80.1°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is December (55.2°F).

  • Average low temperature in July: 55.6°F

The months with the highest average low temperature are August and September (56.8°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).

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Average pressure in July
Lafayette, CA

Average pressure in July - Lafayette, CA
  • Average pressure in July: 29.93"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in July
Lafayette, CA

Average wind speed in July - Lafayette, CA
  • Average wind speed in July: 6.5mph

The windiest month (with the highest average wind speed) is May (7.2mph).
The calmest month (with the lowest average wind speed) is November (4.6mph).

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Average humidity in July
Lafayette, CA

Average humidity in July - Lafayette, CA
  • Average humidity in July: 63%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is October (60%).

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Average rainfall in July
Lafayette, CA

Average rainfall in July - Lafayette, CA
  • Average rainfall in July: 0.04"

The wettest month (with the highest rainfall) is February (2.6").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in July
Lafayette, CA

Average rainfall days in July - Lafayette, CA
  • Average rainfall days in July: 1.4 days

The month with the highest number of rainy days is March (13.1 days).
The month with the least rainy days is August (0.8 days).

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

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

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 48min).

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Average sunshine days in July
Lafayette, CA

Average sunshine days in July - Lafayette, CA
  • Average sunshine days in July: 27.4 days

The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (16.3 days).

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Average UV index in July
Lafayette, CA

Average UV index in July - Lafayette, CA
  • Average UV index in July: 5

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in July
Lafayette, CA

Average cloud cover in July - Lafayette, CA
  • Average cloud cover in July: 8

The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in July
Lafayette, CA

Average visibility in July - Lafayette, 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).

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Lafayette, California, USA

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