August weather forecast
Herald, CA

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Weather in August

The last month of the summer, August, is another hot month in Herald, California, with an average temperature ranging between min 58.8°F (14.9°C) and max 93°F (33.9°C).

Temperature

The beginning of August records an average high-temperature of a still tropical 93°F (33.9°C), almost echoing the conditions of the previous month. A noteworthy thermal contrast characterizes Herald's August nights, with temperatures averaging at a mild 58.8°F (14.9°C).

Heat index

The heat index value for August is estimated at a sweltering 100.4°F (38°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. 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 especially vital to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In August, the average relative humidity in Herald is 48%.

Rainfall

July and August are months with the least rain when the rain falls for 1.2 days and typically aggregates up to 0.04" (1mm) of rain.

Snowfall

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

Daylight

The average length of the day in August in Herald is 13h and 36min.
On the first day of the month, sunrise is at 6:08 am and sunset at 8:14 pm. On the last day of August, sunrise is at 6:34 am and sunset at 7:35 pm PDT.

Sunshine

The average sunshine in August in Herald, California, is 12h.

UV index

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, an average UV index of 6 transforms into the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. 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. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

How hot is it in Herald in August?

In Herald, 93°F (33.9°C) is the average high-temperature and 58.8°F (14.9°C) is the average low-temperature during August. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is estimated at 100.4°F (38°C).

What is the average humidity in August in Herald?

In August, the average relative humidity in Herald, California, is 48%.

What is the driest month in Herald?

July and August are months with the least rain in Herald when the rain falls for 1.2 days and typically aggregates up to 0.04" (1mm) of rain.

How many days does it rain in August in Herald?

In Herald, during August, the rain falls for 1.2 days and regularly aggregates up to 0.04" (1mm) of precipitation.

When it does not snow in Herald?

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

How many hours of daylight does Herald have in August?

The average day length in August in Herald is 13h and 36min.

What time are sunrise and sunset in August in Herald?

In August, on the first day of the month, sunrise is at 6:08 am and sunset at 8:14 pm. On the last day of the month, in Herald, sunrise is at 6:34 am and sunset at 7:35 pm PDT.

How many hours of sunshine does Herald have in August?

In August, the average sunshine duration is 12h.

What is the UV index intensity in August in Herald?

In Herald, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe 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
Herald, CA

Average temperature in August - Herald, CA
  • Average high temperature in August: 93°F

The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in August: 58.8°F

The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (41°F).

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Average pressure in August
Herald, CA

Average pressure in August - Herald, CA
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in August
Herald, CA

Average wind speed in August - Herald, CA
  • Average wind speed in August: 5.2mph

The windiest months (with the highest average wind speed) are February and June (5.8mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).

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Average humidity in August
Herald, CA

Average humidity in August - Herald, CA
  • Average humidity in August: 48%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (45%).

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Average rainfall in August
Herald, CA

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

The wettest month (with the highest rainfall) is February (2.4").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in August
Herald, CA

Average rainfall days in August - Herald, CA
  • Average rainfall days in August: 1.2 days

The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is June (0.9 days).

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Average snowfall days in August
Herald, CA

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

The month with the highest number of snowfall days is December (0.1 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
Herald, CA

Average daylight in August / Average sunshine in August - Herald, 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 36min).

  • 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 54min).

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Average sunshine days in August
Herald, CA

Average sunshine days in August - Herald, CA
  • Average sunshine days in August: 29.3 days

The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is March (17.8 days).

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Average UV index in August
Herald, CA

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

The month with the highest UV index is June (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
Herald, CA

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

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in August
Herald, CA

Average visibility in August - Herald, 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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Herald, California, USA

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