August weather forecast and climate
Lafayette, CA

Weather in August

August, the last month of the summer, in Lafayette, is another warm month, with average temperature ranging between min 56.8°F (13.8°C) and max 79.3°F (26.3°C).

Temperature

In August, the average high-temperature is practically the same as in July - a still moderately hot 79.3°F (26.3°C). The average low-temperature, in Lafayette, is 56.8°F (13.8°C).

Humidity

The average relative humidity in August is 65%.

Rainfall

July and August are months with the least rain in Lafayette, California, when the rain falls for 0.8 days and typically aggregates up to 0.04" (1mm) of rain.

Daylight

In Lafayette, the average length of the day is 13.6h.

Sunshine

The average sunshine in Lafayette, California, is 11.9h.

UV index

In Lafayette, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for average individuals.
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
[Resources]

FAQ

What is the temperature in August in Lafayette?

The average high-temperature, in August, in Lafayette, California, is 79.3°F (26.3°C), while the average low-temperature is 56.8°F (13.8°C).

What is the average humidity in August in Lafayette?

In August, the average relative humidity in Lafayette is 65%.

How much does it rain in Lafayette in August?

In Lafayette, California, during August, the rain falls for 0.8 days and regularly aggregates up to 0.04" (1mm) of precipitation.

What is the driest month in Lafayette?

July and August are months with the least rain in Lafayette, California, when the rain falls for 0.8 days and typically aggregates up to 0.04" (1mm) of rain.

How many hours of daylight does Lafayette have in August?

The average length of the day in August in Lafayette is 13.6h.

How many hours of sunshine does Lafayette have in August?

In Lafayette, the average sunshine in August is 11.9h.

How high is the UV index in August in Lafayette?

In August, the average daily maximum UV index in Lafayette is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in August
Lafayette, CA

Average temperature in August - Lafayette, CA
  • Average high temperature in August: 79.3°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 August: 56.8°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).

[Resources]

Average pressure in August
Lafayette, CA

Average pressure in August - Lafayette, CA
  • Average pressure in August: 29.92"

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

[Resources]

Average wind speed in August
Lafayette, CA

Average wind speed in August - Lafayette, CA
  • Average wind speed in August: 6.2mph

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).

[Resources]

Average humidity in August
Lafayette, CA

Average humidity in August - Lafayette, CA
  • Average humidity in August: 65%

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

[Resources]

Average rainfall in August
Lafayette, CA

Average rainfall in August - Lafayette, CA
  • Average rainfall in August: 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").

[Resources]

Average rainfall days in August
Lafayette, CA

Average rainfall days in August - Lafayette, CA
  • Average rainfall days in August: 0.8 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).

[Resources]

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

Average daylight in August / Average sunshine in August - Lafayette, CA
  • Average daylight in August: 13.6h

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 August: 11.9h

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

[Resources]

Average sunshine days in August
Lafayette, CA

Average sunshine days in August - Lafayette, CA
  • Average sunshine days in August: 27.8 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).

[Resources]

Average UV index in August
Lafayette, CA

Average UV index in August - Lafayette, CA
  • Average UV index in August: 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).

[Resources]

Average cloud cover in August
Lafayette, CA

Average cloud cover in August - Lafayette, CA
  • Average cloud cover in August: 11

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

[Resources]

Average visibility in August
Lafayette, CA

Average visibility in August - Lafayette, CA
  • Average visibility in August: 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).

[Resources]