August weather forecast
San Martin, CA

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Weather in August

The last month of the summer, August, is also a moderately hot month in San Martin, California, with an average temperature fluctuating between 55°F (12.8°C) and 85.8°F (29.9°C).

Temperature

The advent of August denotes an average high-temperature of a moderately hot 85.8°F (29.9°C), subtly different from July's 86.5°F (30.3°C). In the month of August, San Martin witnesses a marked temperature drop at night, averaging a low of 55°F (12.8°C).

Heat index

In August, the average heat index is appraised at a hot 89.6°F (32°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

The average relative humidity in August is 57%.

Rainfall

June through August are months with the least rain in San Martin when the rain falls for 1 days and typically aggregates up to 0.08" (2mm) of rain.

Daylight

In August, the average length of the day in San Martin, California, is 13h and 32min.
On the first day of August in San Martin, sunrise is at 6:12 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 7:35 pm PDT.

Sunshine

In San Martin, the average sunshine in August is 12h.

UV index

The months with the highest UV index in San Martin are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 6 during August translates into the following directions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

Is it hot in San Martin during August?

The average high-temperature, in August, in San Martin, is 85.8°F (29.9°C), while the average low-temperature is 55°F (12.8°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 89.6°F (32°C).

What is the average humidity in August in San Martin?

In San Martin, the average relative humidity in August is 57%.

What is the driest month in San Martin?

June through August are months with the least rain when the rain falls for 1 days and typically aggregates up to 0.08" (2mm) of rain.

How many days does it rain in August in San Martin?

In San Martin, California, in August, during 1 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

What is the average length of the day in August in San Martin?

In August, the average day length is 13h and 32min.

When is the sunrise / sunset in August in San Martin?

In August, on the first day of the month, sunrise is at 6:12 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 7:35 pm PDT.

How many hours of sunshine does San Martin have in August?

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

What is the month with the highest UV index in San Martin?

The months with the highest UV index in San Martin, California, are June through August, with an average maximum UV index of 6.

How high is the UV index in August in San Martin?

The average daily maximum UV index in August in San Martin, California, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
San Martin, CA

Average temperature in August - San Martin, CA
  • Average high temperature in August: 85.8°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (55.8°F).

  • Average low temperature in August: 55°F

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).

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Average pressure in August
San Martin, CA

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in August
San Martin, CA

Average wind speed in August - San Martin, CA
  • Average wind speed in August: 4.3mph

The windiest month (with the highest average wind speed) is May (5.4mph).
The calmest month (with the lowest average wind speed) is November (3.9mph).

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Average humidity in August
San Martin, CA

Average humidity in August - San Martin, CA
  • Average humidity in August: 57%

The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and September (55%).

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Average rainfall in August
San Martin, CA

Average rainfall in August - San Martin, CA
  • Average rainfall in August: 0.08"

The wettest month (with the highest rainfall) is December (1.97").
The driest months (with the least rainfall) are June, July and August (0.08").

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Average rainfall days in August
San Martin, CA

Average rainfall days in August - San Martin, CA
  • Average rainfall days in August: 1 days

The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (1 days).

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Average daylight in August /
Average sunshine in August
San Martin, CA

Average daylight in August / Average sunshine in August - San Martin, CA
  • Average daylight in August: 13h and 3min

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 42min).

  • 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: 6h and 0min).

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Average sunshine days in August
San Martin, CA

Average sunshine days in August - San Martin, CA
  • Average sunshine days in August: 28.7 days

The month with the most sunshine days is August (28.7 days).
The month with the least sunshine days is March (16.8 days).

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Average UV index in August
San Martin, CA

Average UV index in August - San Martin, 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
San Martin, CA

Average cloud cover in August - San Martin, CA
  • Average cloud cover in August: 6

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in August
San Martin, CA

Average visibility in August - San Martin, 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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San Martin, California, USA

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