August weather forecast
Port San Luis, CA

Share

Weather in August

The last month of the summer, August, is another warm month in Port San Luis, California, with an average temperature fluctuating between 59.5°F (15.3°C) and 80.2°F (26.8°C).

Temperature

In Port San Luis, California, the month of August is known for its highest average temperatures, reaching a high of 80.2°F (26.8°C) and a low of 59.5°F (15.3°C).

Humidity

In Port San Luis, the average relative humidity in August is 61%.

Rainfall

June and August are months with the least rain in Port San Luis when the rain falls for 0.6 days and typically aggregates up to 0.04" (1mm) of rain.

Daylight

In August, the average length of the day is 13h and 26min.
On the first day of the month, sunrise is at 6:12 am and sunset at 8:05 pm. On the last day of August, in Port San Luis, California, sunrise is at 6:35 am and sunset at 7:30 pm PDT.

Sunshine

June through August, with an average of 12h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are June and August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In August, a daily UV index of 6 turns into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
[Resources]

Frequently asked questions

What month is the hottest in Port San Luis?

In Port San Luis, August is known for its average highest temperatures, reaching a high of 80.2°F (26.8°C) and a low of 59.5°F (15.3°C).

What are the temperatures in Port San Luis in August?

The high-temperature, in August, in Port San Luis, is 80.2°F (26.8°C), while the low-temperature averages to 59.5°F (15.3°C).

What is the average humidity in August in Port San Luis?

In Port San Luis, California, the average relative humidity in August is 61%.

What is the driest month in Port San Luis?

June and August are months with the least rain in Port San Luis when the rain falls for 0.6 days and typically aggregates up to 0.04" (1mm) of rain.

How much does it rain in Port San Luis in August?

In Port San Luis, during August, the rain falls for 0.6 days and regularly aggregates up to 0.04" (1mm) of precipitation.

What is the average length of the day in August in Port San Luis?

In Port San Luis, the average day length in August is 13h and 26min.

When are sunrise and sunset in August in Port San Luis?

On the first day of August in Port San Luis, California, sunrise is at 6:12 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:30 pm PDT.

What are the months with the most sunshine in Port San Luis?

The months with the most sunshine are June through August, with an average of 12h of sunshine.

How many hours of sunshine does Port San Luis have in August?

In Port San Luis, the average sunshine duration in August is 12h.

When is the highest UV index in Port San Luis?

June and August, with an average maximum UV index of 6, are months with the highest UV index in Port San Luis, California.

What is the UV index reading in August in Port San Luis?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Port San Luis, CA

Average temperature in August - Port San Luis, CA
  • Average high temperature in August: 80.2°F

The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (60.3°F).

  • Average low temperature in August: 59.5°F

The month with the highest average low temperature is September (60.3°F).
The coldest month (with the lowest average low temperature) is February (45.7°F).

[Resources]

Average pressure in August
Port San Luis, CA

Average pressure in August - Port San Luis, CA
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).

[Resources]

Average wind speed in August
Port San Luis, CA

Average wind speed in August - Port San Luis, CA
  • Average wind speed in August: 5.3mph

The windiest months (with the highest average wind speed) are April and May (6.8mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).

[Resources]

Average humidity in August
Port San Luis, CA

Average humidity in August - Port San Luis, CA
  • Average humidity in August: 61%

The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are September and October (57%).

[Resources]

Average rainfall in August
Port San Luis, CA

Average rainfall in August - Port San Luis, CA
  • Average rainfall in August: 0.04"

The wettest month (with the highest rainfall) is March (2.01").
The driest months (with the least rainfall) are June and August (0.04").

[Resources]

Average rainfall days in August
Port San Luis, CA

Average rainfall days in August - Port San Luis, CA
  • Average rainfall days in August: 0.6 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.6 days).

[Resources]

Average daylight in August /
Average sunshine in August
Port San Luis, CA

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in August: 12h and 0min

The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).

[Resources]

Average sunshine days in August
Port San Luis, CA

Average sunshine days in August - Port San Luis, CA
  • Average sunshine days in August: 29.2 days

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is February (19.1 days).

[Resources]

Average UV index in August
Port San Luis, CA

Average UV index in August - Port San Luis, CA
  • Average UV index in August: 6

The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is February (UV index 3).

[Resources]

Average cloud cover in August
Port San Luis, CA

Average cloud cover in August - Port San Luis, CA
  • Average cloud cover in August: 6

The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are August and September (Cloud cover 6).

[Resources]

Average visibility in August
Port San Luis, CA

Average visibility in August - Port San Luis, 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).

[Resources]

Port San Luis, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location