August weather forecast
Lilac, CA

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Weather in August

The last month of the summer, August, is a tropical month in Lilac, California, with temperature in the range of an average high of 86.9°F (30.5°C) and an average low of 63.1°F (17.3°C).

Temperature

Lilac records the warmest temperatures in August, averaging a high of 86.9°F (30.5°C) and a low of 63.1°F (17.3°C).

Heat index

Throughout August, the heat index is calculated to be a hot 91.4°F (33°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

In August, the average relative humidity is 56%.

Rainfall

In August, the rain falls for 3.2 days. Throughout August, 0.28" (7mm) of precipitation is accumulated. In Lilac, during the entire year, the rain falls for 51.6 days and collects up to 5.59" (142mm) of precipitation.

Snowfall

January, March through December are months without snowfall.

Daylight

In Lilac, the average length of the day in August is 13h and 20min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:47 pm. On the last day of August, in Lilac, sunrise is at 6:22 am and sunset at 7:14 pm PDT.

Sunshine

In August, the average sunshine is 12h.

UV index

The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 6 in August translates into these instructions:
Take precautions against overexposure. Protection against sun damage is needed. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

August is the month when Lilac experiences its warmest temperatures, averaging a high of 86.9°F (30.5°C) and a low of 63.1°F (17.3°C).

How hot does it get in August?

The high-temperature, in August, in Lilac, is 86.9°F (30.5°C), while the low-temperature averages to 63.1°F (17.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 91.4°F (33°C).

What is the average humidity in August?

In Lilac, the average relative humidity in August is 56%.

How much does it rain in August?

In Lilac, in August, it is raining for 3.2 days, with typically 0.28" (7mm) of accumulated precipitation.

When it does not snow?

In Lilac, snow does not fall in January, March through December.

How many hours of daylight does Lilac have in August?

The average day length in August is 13h and 20min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:01 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:14 pm PDT.

How many hours of sunshine does Lilac have in August?

In Lilac, the average sunshine duration in August is 12h.

When is the highest UV index?

June through September, with an average maximum UV index of 6, are months with the highest UV index.

How high is the UV index in August?

In Lilac, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Lilac, CA

Average temperature in August - Lilac, CA
  • Average high temperature in August: 86.9°F

The warmest month (with the highest average high temperature) is August (86.9°F).
The month with the lowest average high temperature is December (62.4°F).

  • Average low temperature in August: 63.1°F

The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is February (44.6°F).

Average pressure in August
Lilac, CA

Average pressure in August - Lilac, CA
  • Average pressure in August: 29.87"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in August
Lilac, CA

Average wind speed in August - Lilac, CA
  • Average wind speed in August: 4.3mph

The windiest month (with the highest average wind speed) is April (5.3mph).
The calmest month (with the lowest average wind speed) is September (4.2mph).

Average humidity in August
Lilac, CA

Average humidity in August - Lilac, CA
  • Average humidity in August: 56%

The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is November (52%).

Average rainfall in August
Lilac, CA

Average rainfall in August - Lilac, CA
  • Average rainfall in August: 0.28"

The wettest month (with the highest rainfall) is February (0.94").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in August
Lilac, CA

Average rainfall days in August - Lilac, CA
  • Average rainfall days in August: 3.2 days

The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.3 days).

Average snowfall days in August
Lilac, CA

Average snowfall days in August - Lilac, CA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in August / Average sunshine in August - Lilac, CA
  • Average daylight in August: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in August: 12h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in August
Lilac, CA

Average sunshine days in August - Lilac, CA
  • Average sunshine days in August: 25.7 days

The month with the most sunshine days is June (28.1 days).
The month with the least sunshine days is February (21.5 days).

Average UV index in August
Lilac, CA

Average UV index in August - Lilac, CA
  • Average UV index in August: 6

The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in August
Lilac, CA

Average cloud cover in August - Lilac, CA
  • Average cloud cover in August: 6

The month with the most cloud cover is March (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in August
Lilac, CA

Average visibility in August - Lilac, 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).

Lilac, California, USA

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