August weather forecast and climate
Highland, CA

Weather in August

The last month of the summer, August, is another tropical month in Highland, California, with temperature in the range of an average high of 90.9°F (32.7°C) and an average low of 66.6°F (19.2°C).

Temperature

With an average high-temperature of 90.9°F (32.7°C) and an average low-temperature of 66.6°F (19.2°C), August is the warmest month.

Humidity

With an average relative humidity of 36%, August is the least humid month in Highland.

Rainfall

In Highland, in August, it is raining for 2.1 days, with typically 0.16" (4mm) of accumulated precipitation. In Highland, during the entire year, the rain falls for 51.8 days and collects up to 6.69" (170mm) of precipitation.

Snowfall

In Highland snow does not fall in January, March through December.

Daylight

The average length of the day in Highland is 13.4h.

Sunshine

In August, the average sunshine is 12h.

UV index

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Highland?

The warmest month in Highland is August, with an average high-temperature of 90.9°F (32.7°C) and an average low-temperature of 66.6°F (19.2°C).

What is the temperature in August in Highland?

The average high-temperature, in August, is 90.9°F (32.7°C), while the average low-temperature is 66.6°F (19.2°C).

What is the least humid month in Highland?

With an average relative humidity of 36%, August is the least humid month in Highland.

What is the average humidity in August in Highland?

The average relative humidity in August is 36%.

How much does it rain in Highland in August?

In Highland, during August, the rain falls for 2.1 days and regularly aggregates up to 0.16" (4mm) of precipitation.

When it does not snow in Highland?

In Highland, California, snow does not fall in January, March through December.

How many hours of daylight does Highland have in August?

In Highland, the average length of the day in August is 13.4h.

How long on average sun shines in August in Highland?

In August, the average sunshine is 12h.

What is the UV index reading in August in Highland?

The average daily maximum UV index in August in Highland, California, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV rays.

Average temperature in August
Highland, CA

Average temperature in August - Highland, CA
  • Average high temperature in August: 90.9°F

The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is December (57.7°F).

  • Average low temperature in August: 66.6°F

The month with the highest average low temperature is August (66.6°F).
The coldest months (with the lowest average low temperature) are February and December (41.5°F).

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Average pressure in August
Highland, CA

Average pressure in August - Highland, CA
  • Average pressure in August: 29.86"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.84").

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Average wind speed in August
Highland, CA

Average wind speed in August - Highland, CA
  • Average wind speed in August: 5.1mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is September (4.8mph).

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Average humidity in August
Highland, CA

Average humidity in August - Highland, CA
  • Average humidity in August: 36%

The month with the highest relative humidity is February (52%).
The month with the lowest relative humidity is August (36%).

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Average rainfall in August
Highland, CA

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

The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in August
Highland, CA

Average rainfall days in August - Highland, CA
  • Average rainfall days in August: 2.1 days

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.3 days).

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Average snowfall days in August
Highland, CA

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

The month with the highest number of snowfall days is February (0.1 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in August / Average sunshine in August - Highland, CA
  • Average daylight in August: 13.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • 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: 6.9h).

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Average sunshine days in August
Highland, CA

Average sunshine days in August - Highland, CA
  • Average sunshine days in August: 26.3 days

The month with the most sunshine days is June (28.5 days).
The month with the least sunshine days is February (20.9 days).

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Average UV index in August
Highland, CA

Average UV index in August - Highland, CA
  • Average UV index in August: 6

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are November and December (UV index 3).

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Average cloud cover in August
Highland, CA

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

Months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in August
Highland, CA

Average visibility in August - Highland, 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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