July weather forecast and climate
Lafayette, CA

Weather in July

July, like June, in Lafayette, California, is another warm summer month, 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

The warmest month is July, with an average high-temperature of 80.1°F (26.7°C) and an average low-temperature of 55.6°F (13.1°C).

Humidity

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

Rainfall

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.

Daylight

In July, the average length of the day is 14.5h.

Sunshine

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

UV index

In July, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.
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FAQ

What is the warmest month in Lafayette?

July is the warmest month in Lafayette, with an average high-temperature of 80.1°F (26.7°C) and an average low-temperature of 55.6°F (13.1°C).

What is the temperature in July in Lafayette?

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

What is the average humidity in July in Lafayette?

The average relative humidity in July is 63%.

How much does it rain in Lafayette in July?

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

What is the driest month in Lafayette?

Months with the least rainfall in Lafayette, California, are July and August Rain falls for 1.4 days and accumulates 0.04" (1mm) of rain.

What is the average length of the day in July in Lafayette?

In Lafayette, the average length of the day in July is 14.5h.

What month has the most sunshine in Lafayette?

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

How long on average sun shines in July in Lafayette?

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

What is the UV index reading in July in Lafayette?

In Lafayette, California, the average daily maximum UV index in July is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.

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

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"

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

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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: 14.5h

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 July: 12h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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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).
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

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).

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