August weather forecast
Merced, CA

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Weather in August

August, the last month of the summer in Merced, is another very hot month, with an average temperature fluctuating between 64.8°F (18.2°C) and 97.9°F (36.6°C).

Temperature

The introduction of August notes a subtle temperature variation to a still fiery hot 97.9°F (36.6°C) from July's 99.1°F (37.3°C). Following the sharp contrast to daytime warmth, an average nighttime temperature of 64.8°F (18.2°C) gets registered in Merced during August.

Humidity

In Merced, the average relative humidity in August is 35%.

Rainfall

The month with the least rainfall in Merced is August, when the rain falls for 1.3 days and typically collects 0.04" (1mm) of precipitation.

Daylight

In August, the average length of the day in Merced is 13h and 33min.
On the first day of August in Merced, sunrise is at 6:07 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:31 pm PDT.

Sunshine

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

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 7 in August interprets into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

How hot is it in Merced in August?

The high-temperature, in August, in Merced, records 97.9°F (36.6°C), while the low-temperature is 64.8°F (18.2°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in May is calculated to be 82.4°F (28°C).

What is the average humidity in August in Merced?

In Merced, the average relative humidity in August is 35%.

What is the driest month in Merced?

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

How many days does it rain in August in Merced?

In August, in Merced, the rain falls for 1.3 days. Throughout August, 0.04" (1mm) of precipitation is accumulated.

How many hours of daylight does Merced have in August?

In Merced, the average day length in August is 13h and 33min.

When is the sunrise / sunset in August in Merced?

In August, on the first day of the month, sunrise is at 6:07 am and sunset at 8:09 pm. On the last day of the month, in Merced, California, sunrise is at 6:32 am and sunset at 7:31 pm PDT.

How long on average sun shines in August in Merced?

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

What are the months with the highest UV index in Merced?

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

What is the UV index intensity in August in Merced?

In August, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's 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
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"Hg

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

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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: 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 36min).

  • Average sunshine in August: 12h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

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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

The months with the highest UV index are June, July and August (UV index 7).
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
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).
The 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

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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Merced, California, USA

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