August weather forecast and climate
Merced, CA

Weather in August

August, the last month of the summer, in Merced, is also a sweltering month, with average temperature fluctuating between 64.8°F (18.2°C) and 97.9°F (36.6°C).

Temperature

In August, the average high-temperature is almost the same as in July - a still sweltering 97.9°F (36.6°C). The average low-temperature, in Merced, is 64.8°F (18.2°C).

Humidity

The average relative humidity in August is 35%.

Rainfall

August is the month with the least rainfall. Rain falls for 1.3 days and accumulates 0.04" (1mm) of precipitation.

Daylight

In August, the average length of the day in Merced is 13.5h.

Sunshine

In August, the average sunshine is 12h.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index in Merced. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in August in Merced?

In Merced, California, in August, the average high-temperature is 97.9°F (36.6°C), and the average low-temperature is 64.8°F (18.2°C).

What is the average humidity in August in Merced?

In August, the average relative humidity is 35%.

How many days does it rain in August in Merced?

In Merced, California, during August, the rain falls for 1.3 days and regularly aggregates up to 0.04" (1mm) of precipitation.

What is the driest month in Merced?

August is the month with the least rainfall. Rain falls for 1.3 days and accumulates 0.04" (1mm) of precipitation.

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

The average length of the day in August in Merced is 13.5h.

How many hours of sunshine does Merced have in August?

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

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

Months with the highest UV index in Merced, California, are June through August, with an average maximum UV index of 7.

How high is the UV index in August in Merced?

The average daily maximum UV index in August in Merced, California, is 7. A UV Index value of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV rays.

Average temperature in August
Merced, CA

Average temperature in August - Merced, CA
  • Average high temperature in August: 97.9°F

The warmest month (with the highest average high temperature) is July (99.1°F).
The month with the lowest average high temperature is December (55.9°F).

  • Average low temperature in August: 64.8°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

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Average pressure in August
Merced, CA

Average pressure in August - Merced, CA
  • Average pressure in August: 29.92"

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

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Average wind speed in August
Merced, CA

Average wind speed in August - Merced, CA
  • Average wind speed in August: 7.2mph

The windiest month (with the highest average wind speed) is June (8.3mph).
The calmest months (with the lowest average wind speed) are January and November (5.2mph).

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Average humidity in August
Merced, CA

Average humidity in August - Merced, CA
  • Average humidity in August: 35%

The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is July (32%).

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Average rainfall in August
Merced, CA

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

The wettest month (with the highest rainfall) is March (2.44").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days in August
Merced, CA

Average rainfall days in August - Merced, CA
  • Average rainfall days in August: 1.3 days

The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is June (1.1 days).

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

Average daylight in August / Average sunshine in August - Merced, CA
  • Average daylight in August: 13.5h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in August: 12h

The month with the most sunshine is July (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.1h).

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Average sunshine days in August
Merced, CA

Average sunshine days in August - Merced, CA
  • Average sunshine days in August: 28.8 days

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is March (18.8 days).

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Average UV index in August
Merced, CA

Average UV index in August - Merced, CA
  • Average UV index in August: 7

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in August
Merced, CA

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

The month with the most cloud cover is March (Cloud cover 32).
Months with the least cloud cover are July and August (Cloud cover 5).

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Average visibility in August
Merced, CA

Average visibility in August - Merced, CA
  • Average visibility in August: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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