August weather forecast
Atwater, CA

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Weather in August

The last month of the summer, August, is also a fiery hot month in Atwater, California, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 97.3°F (36.3°C).

Temperature

Atwater experiences a minor change to a still very hot 97.3°F (36.3°C) in average high-temperature during August, closely reflecting July. Atwater logs a substantial downturn to a comfortable 63.3°F (17.4°C) during August nights, a considerable shift from daytime highs.

Humidity

In Atwater, the average relative humidity in August is 37%.

Rainfall

The months with the least rainfall are June through September Rain falls for 1.1 days and accumulates 0.04" (1mm) of rain.

Daylight

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

Sunshine

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

UV index

The months with the highest UV index in Atwater, California, are June through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high UV index of 7 in August translates into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

How hot does it get in Atwater in August?

August temperatures in Atwater, California, vary between a high-temperature of 97.3°F (36.3°C) and a low-temperature of 63.3°F (17.4°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in May is calculated to be 82.4°F (28°C).

What is the average humidity in August in Atwater?

The average relative humidity in August in Atwater, California, is 37%.

What is the driest month in Atwater?

June through September are months with the least rain in Atwater when the rain falls for 1.1 days and typically aggregates up to 0.04" (1mm) of rain.

How many days does it rain in August in Atwater?

In August, the rain falls for 1.1 days. Throughout August, 0.04" (1mm) of precipitation is accumulated.

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

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

When are sunrise and sunset in August in Atwater?

On the first day of August in Atwater, California, 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 7:32 pm PDT.

How long on average sun shines in August in Atwater?

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

When is the highest UV index in Atwater?

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

How high is the UV index in August in Atwater?

In August, the average daily maximum UV index in Atwater is 7. A UV Index value of 6 to 7 symbolizes a high health threat from 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
Atwater, CA

Average temperature in August - Atwater, CA
  • Average high temperature in August: 97.3°F

The warmest month (with the highest average high temperature) is July (98.6°F).
The month with the lowest average high temperature is December (56.1°F).

  • Average low temperature in August: 63.3°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

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Average pressure in August
Atwater, CA

Average pressure in August - Atwater, 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
Atwater, CA

Average wind speed in August - Atwater, CA
  • Average wind speed in August: 6.6mph

The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

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Average humidity in August
Atwater, CA

Average humidity in August - Atwater, CA
  • Average humidity in August: 37%

The month with the highest relative humidity is January (71%).
The month with the lowest relative humidity is July (34%).

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Average rainfall in August
Atwater, CA

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

The wettest months (with the highest rainfall) are March and December (0.55").
The driest months (with the least rainfall) are June, July, August and September (0.04").

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Average rainfall days in August
Atwater, CA

Average rainfall days in August - Atwater, CA
  • Average rainfall days in August: 1.1 days

The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (0.5 days).

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

Average daylight in August / Average sunshine in August - Atwater, 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 12min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).

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Average sunshine days in August
Atwater, CA

Average sunshine days in August - Atwater, CA
  • Average sunshine days in August: 28.9 days

The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is February (23 days).

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Average UV index in August
Atwater, CA

Average UV index in August - Atwater, 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
Atwater, CA

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

The month with the most cloud cover is December (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in August
Atwater, CA

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

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