August weather forecast
Belmont, CA

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Weather in August

The last month of the summer, August, is another pleasant month in Belmont, California, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 56.1°F (13.4°C).

Temperature

August is the month when Belmont sees the highest average temperatures, with a high of 73°F (22.8°C) and a low of 56.1°F (13.4°C).

Humidity

In August, the average relative humidity in Belmont is 73%.

Rainfall

July and August are months with the least rain in Belmont when the rain falls for 2 days and typically aggregates up to 0.08" (2mm) of rain.

Daylight

The average length of the day in August in Belmont is 13h and 34min.
On the first day of the month, sunrise is at 6:13 am and sunset at 8:16 pm. On the last day of August, sunrise is at 6:39 am and sunset at 7:39 pm PDT.

Sunshine

The average sunshine in August in Belmont, California, is 11.9h.

UV index

June through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A typical high UV index of 5 in August suggests the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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Frequently asked questions

What time of the year is the hottest in Belmont?

Belmont, California, witnesses the warmest weather in August, with temperatures averaging a high of 73°F (22.8°C) and a low of 56.1°F (13.4°C).

What are the temperatures in Belmont in August?

During August, Belmont experiences an average high-temperature of 73°F (22.8°C) and a low-temperature of 56.1°F (13.4°C).

What is the average humidity in August in Belmont?

In Belmont, California, the average relative humidity in August is 73%.

What is the driest month in Belmont?

July and August are months with the least rain in Belmont when the rain falls for 2 days and typically aggregates up to 0.08" (2mm) of rain.

How much does it rain in Belmont in August?

In August, in Belmont, California, the rain falls for 2 days. Throughout August, 0.08" (2mm) of precipitation is accumulated.

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

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

When are sunrise and sunset in August in Belmont?

In August, on the first day of the month, sunrise is at 6:13 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:39 pm PDT.

How many hours of sunshine does Belmont have in August?

In August, the average sunshine duration is 11.9h.

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

June through September, with an average maximum UV index of 5, are months with the highest UV index in Belmont, California.

What is the UV index intensity in August in Belmont?

In Belmont, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to 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
Belmont, CA

Average temperature in August - Belmont, CA
  • Average high temperature in August: 73°F

The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (55.9°F).

  • Average low temperature in August: 56.1°F

The month with the highest average low temperature is September (56.7°F).
The coldest month (with the lowest average low temperature) is January (46°F).

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Average pressure in August
Belmont, CA

Average pressure in August - Belmont, CA
  • Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).

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Average wind speed in August
Belmont, CA

Average wind speed in August - Belmont, CA
  • Average wind speed in August: 5.6mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is October (5.5mph).

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Average humidity in August
Belmont, CA

Average humidity in August - Belmont, CA
  • Average humidity in August: 73%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in August
Belmont, CA

Average rainfall in August - Belmont, CA
  • Average rainfall in August: 0.08"

The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.08").

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Average rainfall days in August
Belmont, CA

Average rainfall days in August - Belmont, CA
  • Average rainfall days in August: 2 days

The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is July (1.8 days).

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

Average daylight in August / Average sunshine in August - Belmont, 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: 11h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in August
Belmont, CA

Average sunshine days in August - Belmont, CA
  • Average sunshine days in August: 23.1 days

The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is March (16.3 days).

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Average UV index in August
Belmont, CA

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

The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).

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Average cloud cover in August
Belmont, CA

Average cloud cover in August - Belmont, CA
  • Average cloud cover in August: 11

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in August
Belmont, CA

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

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