August weather forecastLafayette, CA
August
Weather in August
August, the last month of the summer in Lafayette, is also a moderately hot month, with an average temperature ranging between max 79.3°F (26.3°C) and min 56.8°F (13.8°C).Temperature
August's presence records an average high-temperature of a still moderately hot 79.3°F (26.3°C), closely mirroring July's climate. August presents a pronounced difference from daytime highs, with a consistent average low-temperature of 56.8°F (13.8°C).Humidity
In August, the average relative humidity is 65%.Rainfall
July and August are months with the least rain in Lafayette when the rain falls for 0.8 days and typically aggregates up to 0.04" (1mm) of rain.Daylight
In August, the average length of the day in Lafayette is 13h and 35min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:17 pm. On the last day of August, sunrise is at 6:38 am and sunset at 7:38 pm PDT.
Sunshine
In August, the average sunshine is 11.9h.UV index
In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 5 during August translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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
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).
Average pressure in August
Lafayette, CA
- Average pressure in August: 29.92"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).
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).
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%).
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").
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).
Average daylight in August /
Average sunshine in August
Lafayette, CA
- Average daylight in August: 13h and 36min
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 August: 11h and 54min
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).
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).
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).
The months with the lowest UV index are January, February, November and December (UV index 3).
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).
Average visibility in August
Lafayette, CA
- Average visibility in August: 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).
