August weather forecast
Arnold, CA

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Weather in August

August, the last month of the summer in Arnold, is another warm month, with an average temperature fluctuating between 56.8°F (13.8°C) and 84.9°F (29.4°C).

Temperature

The average high-temperature during August registers at a still warm 84.9°F (29.4°C), maintaining a close resemblance to the previous month. Arnold's nights during August are marked by a pronounced drop from daytime temperatures, experiencing an average low of 56.8°F (13.8°C).

Humidity

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

Rainfall

The months with the least rainfall are July and August Rain falls for 1.6 days and accumulates 0.08" (2mm) of rain.

Snowfall

In Arnold, snow does not fall in June through September.

Daylight

In Arnold, the average length of the day in August is 13h and 36min.
On the first day of the month, sunrise is at 6:04 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:32 pm PDT.

Sunshine

The average sunshine in August is 12h.

UV index

The months with the highest UV index in Arnold 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 unsafe exposure to UV radiation for ordinary individuals.
Note: An average maximum UV index of 6 in August leads to these recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

How hot is it in Arnold in August?

The high-temperature during August is 84.9°F (29.4°C) and the low-temperature is 56.8°F (13.8°C).

What is the average humidity in August in Arnold?

The average relative humidity in August is 37%.

What is the driest month in Arnold?

July and August are months with the least rain when the rain falls for 1.6 days and typically aggregates up to 0.08" (2mm) of rain.

How many days does it rain in August in Arnold?

In Arnold, in August, it is raining for 1.6 days, with typically 0.08" (2mm) of accumulated precipitation.

When it does not snow in Arnold?

June through September are months without snowfall.

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

In August, the average day length in Arnold is 13h and 36min.

When is the sunrise / sunset in August in Arnold?

On the first day of August in Arnold, sunrise is at 6:04 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:32 pm PDT.

How many hours of sunshine does Arnold have in August?

In August, the average sunshine duration is 12h.

When is the highest UV index in Arnold?

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

How high is the UV index in August in Arnold?

In August, the average daily maximum UV index in Arnold is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
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
Arnold, CA

Average temperature in August - Arnold, CA
  • Average high temperature in August: 84.9°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°F).

  • Average low temperature in August: 56.8°F

The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is December (32°F).

Average pressure in August
Arnold, CA

Average pressure in August - Arnold, CA
  • Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in August
Arnold, CA

Average wind speed in August - Arnold, CA
  • Average wind speed in August: 4.8mph

The windiest month (with the highest average wind speed) is February (6.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in August
Arnold, CA

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

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (36%).

Average rainfall in August
Arnold, CA

Average rainfall in August - Arnold, CA
  • Average rainfall in August: 0.08"

The wettest month (with the highest rainfall) is March (5.98").
The driest months (with the least rainfall) are July and August (0.08").

Average rainfall days in August
Arnold, CA

Average rainfall days in August - Arnold, CA
  • Average rainfall days in August: 1.6 days

The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is August (1.6 days).

Average snowfall in August
Arnold, CA

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

The month with the highest snowfall is March (21.34").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Arnold, CA

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

The month with the highest number of snowfall days is March (7.2 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in August / Average sunshine in August - Arnold, CA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
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 0min).

Average sunshine days in August
Arnold, CA

Average sunshine days in August - Arnold, CA
  • Average sunshine days in August: 27.9 days

The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is March (14.5 days).

Average UV index in August
Arnold, CA

Average UV index in August - Arnold, 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
Arnold, CA

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

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

Average visibility in August
Arnold, CA

Average visibility in August - Arnold, 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).

Arnold, California, USA

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