August weather forecast
Onyx, CA

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Weather in August

The last month of the summer, August, is another warm month in Onyx, California, with an average temperature ranging between max 84.7°F (29.3°C) and min 57.6°F (14.2°C).

Temperature

Onyx's weather in August, with an average high-temperature of a still warm 84.7°F (29.3°C), subtly shifts from July's 85.8°F (29.9°C). A considerable shift from the daytime highs is observed in Onyx during August nights, with an average low of 57.6°F (14.2°C).

Humidity

The least humid month in Onyx is August, with an average relative humidity of 31%.

Rainfall

In Onyx, in August, during 1.9 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. In Onyx, during the entire year, the rain falls for 61 days and collects up to 11.81" (300mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in August is 13h and 28min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:56 pm. On the last day of August, sunrise is at 6:24 am and sunset at 7:21 pm PDT.

Sunshine

The average sunshine in August is 12h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Onyx. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In August, a daily UV index of 6 turns into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

How hot does it get in Onyx in August?

The high-temperature, in August, in Onyx, records 84.7°F (29.3°C), while the low-temperature is 57.6°F (14.2°C).

What is the least humid month in Onyx?

With an average relative humidity of 31%, August is the least humid month in Onyx, California.

What is the average humidity in August in Onyx?

The average relative humidity in August is 31%.

How many days does it rain in August in Onyx?

In August, in Onyx, the rain falls for 1.9 days. Throughout August, 0.16" (4mm) of precipitation is accumulated.

When it does not snow in Onyx?

May through October are months without snowfall in Onyx, California.

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

In Onyx, the average day length in August is 13h and 28min.

When are sunrise and sunset in August in Onyx?

On the first day of August in Onyx, sunrise is at 6:01 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:21 pm PDT.

How long on average sun shines in August in Onyx?

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

When is the highest UV index in Onyx?

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

What is the UV index intensity in August in Onyx?

The average daily maximum UV index in August in Onyx is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Onyx, CA

Average temperature in August - Onyx, CA
  • Average high temperature in August: 84.7°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (48.7°F).

  • Average low temperature in August: 57.6°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is December (30.9°F).

Average pressure in August
Onyx, CA

Average pressure in August - Onyx, CA
  • Average pressure in August: 29.88"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in August
Onyx, CA

Average wind speed in August - Onyx, CA
  • Average wind speed in August: 6mph

The windiest months (with the highest average wind speed) are May and June (7.3mph).
The calmest months (with the lowest average wind speed) are January and September (5.4mph).

Average humidity in August
Onyx, CA

Average humidity in August - Onyx, CA
  • Average humidity in August: 31%

The month with the highest relative humidity is February (59%).
The month with the lowest relative humidity is August (31%).

Average rainfall in August
Onyx, CA

Average rainfall in August - Onyx, CA
  • Average rainfall in August: 0.16"

The wettest month (with the highest rainfall) is January (2.48").
The driest month (with the least rainfall) is June (0.08").

Average rainfall days in August
Onyx, CA

Average rainfall days in August - Onyx, CA
  • Average rainfall days in August: 1.9 days

The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is June (1.3 days).

Average snowfall in August
Onyx, CA

Average snowfall in August - Onyx, CA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Onyx, CA

Average snowfall days in August - Onyx, CA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in August: 12h and 0min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 42min).

Average sunshine days in August
Onyx, CA

Average sunshine days in August - Onyx, CA
  • Average sunshine days in August: 27.4 days

The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (19 days).

Average UV index in August
Onyx, CA

Average UV index in August - Onyx, 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 February, November and December (UV index 2).

Average cloud cover in August
Onyx, CA

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

The month with the most cloud cover is March (Cloud cover 26).
The months with the least cloud cover are August and September (Cloud cover 5).

Average visibility in August
Onyx, CA

Average visibility in August - Onyx, 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).

Onyx, California, USA

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