August weather forecast
Redwood Valley, CA

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Weather in August

August, the last month of the summer in Redwood Valley, is another warm month, with an average temperature fluctuating between 84.7°F (29.3°C) and 53.4°F (11.9°C).

Temperature

In the transition from July to August, Redwood Valley reports an average high-temperature of a still moderately hot 84.7°F (29.3°C), indicating a close resemblance to the prior month. Redwood Valley registers a marked temperature plunge to a fresh 53.4°F (11.9°C) during the cool August nights.

Heat index

The heat index value for August is evaluated at a tropical 87.8°F (31°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

In Redwood Valley, the average relative humidity in August is 59%.

Rainfall

The months with the least rainfall are July and August Rain falls for 1.3 days and accumulates 0.08" (2mm) of rain.

Snowfall

January, March through December are months without snowfall.

Daylight

In Redwood Valley, the average length of the day in August is 13h and 40min.
On the first day of the month, sunrise is at 6:13 am and sunset at 8:24 pm. On the last day of August, sunrise is at 6:41 am and sunset at 7:44 pm PDT.

Sunshine

In August, the average sunshine is 11.9h.

UV index

In Redwood Valley, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: During August, 5 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against sunburn is recommended. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

In August, in Redwood Valley, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 53.4°F (11.9°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is evaluated at 87.8°F (31°C).

What is the average humidity in August?

The average relative humidity in August is 59%.

What is the driest month?

July and August are months with the least rain when the rain falls for 1.3 days and typically aggregates up to 0.08" (2mm) of rain.

How many days does it rain in August?

In Redwood Valley, in August, during 1.3 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

When it does not snow?

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

What is the average length of the day in August?

In Redwood Valley, the average day length in August is 13h and 40min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:13 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 7:44 pm PDT.

How long on average sun shines in August?

In Redwood Valley, the average sunshine duration in August is 11.9h.

What is the UV index intensity in August?

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate 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
Redwood Valley, CA

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

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (53.6°F).

  • Average low temperature in August: 53.4°F

The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is December (37.4°F).

Average pressure in August
Redwood Valley, CA

Average pressure in August - Redwood Valley, CA
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

Average wind speed in August
Redwood Valley, CA

Average wind speed in August - Redwood Valley, CA
  • Average wind speed in August: 4.3mph

The windiest months (with the highest average wind speed) are April, May and June (5.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).

Average humidity in August
Redwood Valley, CA

Average humidity in August - Redwood Valley, CA
  • Average humidity in August: 59%

The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July and September (58%).

Average rainfall in August
Redwood Valley, CA

Average rainfall in August - Redwood Valley, CA
  • Average rainfall in August: 0.08"

The wettest months (with the highest rainfall) are February and December (3.11").
The driest months (with the least rainfall) are July and August (0.08").

Average rainfall days in August
Redwood Valley, CA

Average rainfall days in August - Redwood Valley, CA
  • Average rainfall days in August: 1.3 days

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (1.3 days).

Average snowfall in August
Redwood Valley, CA

Average snowfall in August - Redwood Valley, CA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in August
Redwood Valley, CA

Average snowfall days in August - Redwood Valley, CA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in August /
Average sunshine in August
Redwood Valley, CA

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in August
Redwood Valley, CA

Average sunshine days in August - Redwood Valley, CA
  • Average sunshine days in August: 28.1 days

The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (15.9 days).

Average UV index in August
Redwood Valley, CA

Average UV index in August - Redwood Valley, CA
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February and November (UV index 2).

Average cloud cover in August
Redwood Valley, CA

Average cloud cover in August - Redwood Valley, CA
  • Average cloud cover in August: 6

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in August
Redwood Valley, CA

Average visibility in August - Redwood Valley, CA
  • Average visibility in August: 6mi

The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).

Redwood Valley, California, USA

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