August weather forecast
Rancho Peñasquitos, CA

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Weather in August

August, the last month of the summer in Rancho Peñasquitos, is also a moderately hot month, with an average temperature varying between 81.1°F (27.3°C) and 65.3°F (18.5°C).

Temperature

The month of August sees the highest average temperatures, reaching 81.1°F (27.3°C) at the peak and 65.3°F (18.5°C) at the low.

Heat index

The heat index value for August is calculated to be 84.2°F (29°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

In Rancho Peñasquitos, the average relative humidity in August is 64%.

Rainfall

In Rancho Peñasquitos, in August, it is raining for 1.6 days, with typically 0.08" (2mm) of accumulated precipitation. Throughout the year, there are 41.9 rainfall days, and 3.35" (85mm) of precipitation is accumulated.

Daylight

In August, the average length of the day is 13h and 20min.
On the first day of August, sunrise is at 6:02 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:14 pm PDT.

Sunshine

July and 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 through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: During August, 6 as the daily maximum UV index converts into the following advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year?

Temperature readings reach their annual highs in August, averaging 81.1°F (27.3°C) and a minimum average of 65.3°F (18.5°C).

What is the temperature in August?

An average high-temperature, in August, in Rancho Peñasquitos, is 81.1°F (27.3°C) and the average low-temperature is 65.3°F (18.5°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 84.2°F (29°C).

What is the average humidity in August?

In August, the average relative humidity is 64%.

How many days does it rain in August?

In Rancho Peñasquitos, in August, during 1.6 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

How many hours of daylight does Rancho Peñasquitos have in August?

In Rancho Peñasquitos, the average day length in August is 13h and 20min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:02 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:14 pm PDT.

What are the months with the most sunshine?

The months with the most sunshine are July and August, with an average of 12h of sunshine.

How long on average sun shines in August?

The average sunshine duration in August is 12h.

What are the months with the highest UV index?

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

What is the UV index reading in August?

In Rancho Peñasquitos, 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Rancho Peñasquitos, CA

Average temperature in August - Rancho Peñasquitos, CA
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (63.9°F).

  • Average low temperature in August: 65.3°F

The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).

Average pressure in August
Rancho Peñasquitos, CA

Average pressure in August - Rancho Peñasquitos, CA
  • Average pressure in August: 29.88"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in August
Rancho Peñasquitos, CA

Average wind speed in August - Rancho Peñasquitos, CA
  • Average wind speed in August: 4.8mph

The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).

Average humidity in August
Rancho Peñasquitos, CA

Average humidity in August - Rancho Peñasquitos, CA
  • Average humidity in August: 64%

The month with the highest relative humidity is May (70%).
The month with the lowest relative humidity is November (56%).

Average rainfall in August
Rancho Peñasquitos, CA

Average rainfall in August - Rancho Peñasquitos, CA
  • Average rainfall in August: 0.08"

The wettest month (with the highest rainfall) is December (0.63").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in August
Rancho Peñasquitos, CA

Average rainfall days in August - Rancho Peñasquitos, CA
  • Average rainfall days in August: 1.6 days

The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is June (1.3 days).

Average daylight in August /
Average sunshine in August
Rancho Peñasquitos, CA

Average daylight in August / Average sunshine in August - Rancho Peñasquitos, 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 months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 48min).

Average sunshine days in August
Rancho Peñasquitos, CA

Average sunshine days in August - Rancho Peñasquitos, CA
  • Average sunshine days in August: 25.8 days

The month with the most sunshine days is October (26.1 days).
The month with the least sunshine days is February (21.8 days).

Average UV index in August
Rancho Peñasquitos, CA

Average UV index in August - Rancho Peñasquitos, CA
  • Average UV index in August: 6

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

Average cloud cover in August
Rancho Peñasquitos, CA

Average cloud cover in August - Rancho Peñasquitos, CA
  • Average cloud cover in August: 7

The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).

Average visibility in August
Rancho Peñasquitos, CA

Average visibility in August - Rancho Peñasquitos, 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).

Rancho Peñasquitos, California, USA

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