August weather forecast
Isleton, CA

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Weather in August

August, the last month of the summer in Isleton, is another tropical month, with an average temperature varying between 57.7°F (14.3°C) and 90.1°F (32.3°C).

Temperature

August's onset records a minor alteration in the average high-temperature to a still tropical 90.1°F (32.3°C) from July's 91°F (32.8°C). Despite the drastic temperature difference, Isleton records an average nighttime low of 57.7°F (14.3°C) throughout August.

Heat index

The heat index in August is calculated to be a sweltering 96.8°F (36°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
Heat index specifics point out values are for conditions of shade and a slight breeze. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

The average relative humidity in August is 53%.

Rainfall

The only month without rainfall is August.

Daylight

The average length of the day in August is 13h and 35min.
On the first day of the month, sunrise is at 6:09 am and sunset at 8:15 pm. On the last day of August, sunrise is at 6:36 am and sunset at 7:36 pm PDT.

Sunshine

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

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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Frequently asked questions

How hot does it get in Isleton in August?

During August, Isleton experiences an average high-temperature of 90.1°F (32.3°C) and a low-temperature of 57.7°F (14.3°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 96.8°F (36°C).

What is the average humidity in August in Isleton?

In Isleton, the average relative humidity in August is 53%.

What is the driest month in Isleton?

August is the only month when rain does not fall in Isleton, California.

Does it rain in Isleton in August?

In August, it doesn't rain. July is the latest month when it rains.

What is the average length of the day in August in Isleton?

The average day length in August in Isleton is 13h and 35min.

When is the sunrise / sunset in August in Isleton?

In August, on the first day of the month, sunrise is at 6:09 am and sunset at 8:15 pm. On the last day of the month, in Isleton, California, sunrise is at 6:36 am and sunset at 7:36 pm PDT.

How many hours of sunshine does Isleton have in August?

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

What is the month with the highest UV index in Isleton?

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

What is the UV index reading in August in Isleton?

In August, the average daily maximum UV index in Isleton is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Isleton, CA

Average temperature in August - Isleton, CA
  • Average high temperature in August: 90.1°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in August: 57.7°F

The month with the highest average low temperature is September (58.1°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

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Average pressure in August
Isleton, CA

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in August
Isleton, CA

Average wind speed in August - Isleton, CA
  • Average wind speed in August: 7mph

The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

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Average humidity in August
Isleton, CA

Average humidity in August - Isleton, CA
  • Average humidity in August: 53%

The months with the highest relative humidity are January and March (74%).
The month with the lowest relative humidity is September (49%).

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Average rainfall in August
Isleton, CA

Average rainfall in August - Isleton, CA
  • Average rainfall in August: 0"

The wettest month (with the highest rainfall) is February (2.17").
The driest month (with the least rainfall) is August (0").

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Average rainfall days in August
Isleton, CA

Average rainfall days in August - Isleton, CA
  • Average rainfall days in August: 0.7 days

The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is August (0.7 days).

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

Average daylight in August / Average sunshine in August - Isleton, 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
Isleton, CA

Average sunshine days in August - Isleton, CA
  • Average sunshine days in August: 29.9 days

The month with the most sunshine days is August (29.9 days).
The month with the least sunshine days is March (17.3 days).

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Average UV index in August
Isleton, CA

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

The months with the highest UV index are June, July and August (UV index 6).
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
Isleton, CA

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

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

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Average visibility in August
Isleton, CA

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

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