August weather forecast
Rocklin, CA

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Weather in August

The last month of the summer, August, is also a hot month in Rocklin, California, with an average temperature ranging between min 60.3°F (15.7°C) and max 92.8°F (33.8°C).

Temperature

The arrival of August denotes a barely perceptible change in the average high-temperatures to a still tropical 92.8°F (33.8°C) from July's 94.1°F (34.5°C). In Rocklin, the nighttime chill during August is a clear shift from the day's highs, with an average of 60.3°F (15.7°C).

Heat index

The heat index value during August is computed to be a very hot 96.8°F (36°C). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

The average relative humidity in August is 43%.

Rainfall

July and August are months with the least rain when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.

Snowfall

January through November are months without snowfall.

Daylight

In Rocklin, the average length of the day in August is 13h and 38min.
On the first day of August in Rocklin, sunrise is at 6:06 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 7:36 pm PDT.

Sunshine

In Rocklin, the average sunshine in August is 12h.

UV index

In August, the average daily maximum UV index in Rocklin is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum UV index of 6 in August translates into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

How hot does it get in Rocklin in August?

During August, Rocklin experiences an average high-temperature of 92.8°F (33.8°C) and a low-temperature of 60.3°F (15.7°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is computed to be 96.8°F (36°C).

What is the average humidity in August in Rocklin?

In August, the average relative humidity is 43%.

What is the driest month in Rocklin?

The months with the least rainfall are July and August Rain falls for 1.3 days and accumulates 0.04" (1mm) of rain.

How many days does it rain in August in Rocklin?

In Rocklin, California, in August, it is raining for 1.3 days, with typically 0.04" (1mm) of accumulated precipitation.

When it does not snow in Rocklin?

In Rocklin, snow does not fall in January through November.

How many hours of daylight does Rocklin have in August?

The average day length in August in Rocklin is 13h and 38min.

When are sunrise and sunset in August in Rocklin?

In August, on the first day of the month, sunrise is at 6:06 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 7:36 pm PDT.

How many hours of sunshine does Rocklin have in August?

The average sunshine duration in August in Rocklin, California, is 12h.

How high is the UV index in August in Rocklin?

In Rocklin, California, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
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
Rocklin, CA

Average temperature in August - Rocklin, CA
  • Average high temperature in August: 92.8°F

The warmest month (with the highest average high temperature) is July (94.1°F).
The month with the lowest average high temperature is December (54.1°F).

  • Average low temperature in August: 60.3°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).

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Average pressure in August
Rocklin, CA

Average pressure in August - Rocklin, CA
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in August
Rocklin, CA

Average wind speed in August - Rocklin, CA
  • Average wind speed in August: 4.5mph

The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is September (4mph).

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Average humidity in August
Rocklin, CA

Average humidity in August - Rocklin, CA
  • Average humidity in August: 43%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (41%).

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Average rainfall in August
Rocklin, CA

Average rainfall in August - Rocklin, CA
  • Average rainfall in August: 0.04"

The wettest month (with the highest rainfall) is March (3.58").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in August
Rocklin, CA

Average rainfall days in August - Rocklin, CA
  • Average rainfall days in August: 1.3 days

The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is July (1.1 days).

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Average snowfall days in August
Rocklin, CA

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

The month with the highest number of snowfall days is December (0.2 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in August / Average sunshine in August - Rocklin, CA
  • Average daylight in August: 13h and 4min

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

  • 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: 5h and 48min).

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Average sunshine days in August
Rocklin, CA

Average sunshine days in August - Rocklin, CA
  • Average sunshine days in August: 28.8 days

The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is March (15.8 days).

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Average UV index in August
Rocklin, CA

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in August
Rocklin, CA

Average cloud cover in August - Rocklin, CA
  • Average cloud cover in August: 5

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in August
Rocklin, CA

Average visibility in August - Rocklin, 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).

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Rocklin, California, USA

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