August weather forecast
Fremont, CA

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A beautiful landscape of winding roads and serene residential estate in Fremont, California
A beautiful landscape of winding roads and serene residential estate in Fremont, California

Weather in August

August continues the summer weather pattern established in July. Fremont experiences warm days and cool nights, an ideal combination for enjoying outdoor activities. Sea temperatures are at their warmest, offering a refreshing contrast to the warmth of land. Although the length of daylight reduces slightly, there's still plenty of sunshine to enjoy. The lower wind speed of 4.8mph (7.7km/h) also characterizes this month, providing a calm and serene atmosphere.

Temperature

The shift into August uncovers an average high-temperature of a still warm 82°F (27.8°C), subtly different from the previous month. Fremont, in August, experiences a marked contrast from daytime zeniths to a steady average low-temperature of 56.8°F (13.8°C).

Heat index

The heat index in August is calculated to be 84.2°F (29°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

In Fremont, the average relative humidity in August is 61%.

Rainfall

June through August are months with the least rain when the rain falls for 0.5 days and typically aggregates up to 0.04" (1mm) of rain.

Ocean temperature

With an average ocean temperature of 57.7°F (14.3°C), August is the month with the warmest seawater.
Note: It is risky to swim in 57.7°F (14.3°C). Temperatures beneath 50°F (10°C) induce rapid cold shock and hyperventilation.

Daylight

The average length of the day in August is 13h and 34min.
On the first day of the month, sunrise is at 6:12 am and sunset at 8:15 pm. On the last day of August, sunrise is at 6:38 am and sunset at 7:37 pm PDT.

Sunshine

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

UV index

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In August, the maximum UV index of 5 transforms into these recommendations:
Take necessary precautions - Defending against sun damage is advocated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

What is the usual temperature for Fremont in August?

In Fremont, in August, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 56.8°F (13.8°C). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 84.2°F (29°C).

What is the average humidity in August?

In Fremont, the average relative humidity in August is 61%.

What is the driest month?

June through August are months with the least rain when the rain falls for 0.5 days and typically aggregates up to 0.04" (1mm) of rain.

How much does it rain in August?

In Fremont, in August, during 0.5 rainfall days, 0.04" (1mm) of precipitation is typically accumulated.

What month is the ocean warmest in Fremont?

The month with the warmest seawater is August, with an average ocean temperature of 57.7°F (14.3°C).

How cold is the water in August?

In Fremont, the average seawater temperature in August is 57.7°F (14.3°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Fremont have in August?

In Fremont, the average day length in August is 13h and 34min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:12 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:37 pm PDT.

How long on average sun shines in August?

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

What is the UV index intensity in August in Fremont?

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Fremont, CA

Average temperature in August - Fremont, CA
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is December (56.5°F).

  • Average low temperature in August: 56.8°F

The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).

Average pressure in August
Fremont, CA

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

Average wind speed in August
Fremont, CA

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

The windiest month (with the highest average wind speed) is May (6.1mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).

Average humidity in August
Fremont, CA

Average humidity in August - Fremont, CA
  • Average humidity in August: 61%

The month with the highest relative humidity is March (72%).
The months with the lowest relative humidity are July and September (59%).

Average rainfall in August
Fremont, CA

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

The wettest months (with the highest rainfall) are January, February, March and December (0.67").
The driest months (with the least rainfall) are June, July and August (0.04").

Average rainfall days in August
Fremont, CA

Average rainfall days in August - Fremont, CA
  • Average rainfall days in August: 0.5 days

The month with the highest number of rainy days is March (8.9 days).
The month with the least rainy days is August (0.5 days).

Average sea temperature in August
Fremont, CA

Average sea temperature in August - Fremont, CA
  • Average sea temperature in August: 57.7°F

The best month for swimming (with the highest average sea temperature) is August (57.7°F).
The coldest months (with the lowest average sea temperature) are February and April (53.2°F).

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

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

The month with the longest days is June (Average daylight: 14h and 42min).
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).

Average sunshine days in August
Fremont, CA

Average sunshine days in August - Fremont, CA
  • Average sunshine days in August: 29.8 days

The month with the most sunshine days is July (30 days).
The month with the least sunshine days is March (20.7 days).

Average UV index in August
Fremont, CA

Average UV index in August - Fremont, CA
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in August
Fremont, CA

Average cloud cover in August - Fremont, CA
  • Average cloud cover in August: 7

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 6).

Average visibility in August
Fremont, CA

Average visibility in August - Fremont, 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).

Fremont, California, USA

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