August weather forecast
Fortuna, CA

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Weather in August

August, the last month of the summer in Fortuna, is another pleasant month, with an average temperature ranging between max 71.6°F (22°C) and min 53.2°F (11.8°C).

Temperature

The average temperatures reach their apex in August, averaging 71.6°F (22°C) at the high end and 53.2°F (11.8°C) at the low end.

Humidity

In Fortuna, the average relative humidity in August is 78%.

Rainfall

July and August are months with the least rain when the rain falls for 1.8 days and typically aggregates up to 0.12" (3mm) of rain.

Snowfall

January, March through December are months without snowfall in Fortuna, California.

Daylight

The average length of the day in August in Fortuna is 13h and 44min.
On the first day of August, sunrise is at 6:14 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:49 pm PDT.

Sunshine

The months with the most sunshine are July and August, with an average of 11.6h of sunshine.

UV index

The months with the highest UV index in Fortuna are June through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, a daily UV index of 5 turns into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

What is the hottest time of year in Fortuna?

August brings the highest temperatures, with an average high of 71.6°F (22°C) and an average low of 53.2°F (11.8°C).

What are August temperatures in Fortuna?

The average high-temperature, in August, in Fortuna, is 71.6°F (22°C), while the average low-temperature is 53.2°F (11.8°C).

What is the average humidity in August in Fortuna?

In August, the average relative humidity in Fortuna is 78%.

What is the driest month in Fortuna?

The months with the least rainfall in Fortuna, California, are July and August Rain falls for 1.8 days and accumulates 0.12" (3mm) of rain.

How much does it rain in Fortuna in August?

In Fortuna, during August, the rain falls for 1.8 days and regularly aggregates up to 0.12" (3mm) of precipitation.

When it does not snow in Fortuna?

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

How many hours of daylight does Fortuna have in August?

In August, the average day length is 13h and 44min.

When are sunrise and sunset in August in Fortuna?

On the first day of August, sunrise is at 6:14 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:49 pm PDT.

What are the months with the most sunshine in Fortuna?

The months with the most sunshine are July and August, with an average of 11.6h of sunshine.

How many hours of sunshine does Fortuna have in August?

In August, the average sunshine duration in Fortuna, California, is 11.6h.

What are the months with the highest UV index in Fortuna?

June through August, with an average maximum UV index of 5, are months with the highest UV index in Fortuna.

What is the UV index reading in August in Fortuna?

In August, the average daily maximum UV index in Fortuna is 5. A UV Index estimate of 3 to 5 represents a medium health risk from 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
Fortuna, CA

Average temperature in August - Fortuna, CA
  • Average high temperature in August: 71.6°F

The warmest month (with the highest average high temperature) is August (71.6°F).
The months with the lowest average high temperature are February and December (53.1°F).

  • Average low temperature in August: 53.2°F

The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is February (41.7°F).

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Average pressure in August
Fortuna, CA

Average pressure in August - Fortuna, CA
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).

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Average wind speed in August
Fortuna, CA

Average wind speed in August - Fortuna, CA
  • Average wind speed in August: 6.2mph

The windiest months (with the highest average wind speed) are March and June (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in August
Fortuna, CA

Average humidity in August - Fortuna, CA
  • Average humidity in August: 78%

The months with the highest relative humidity are February and March (82%).
The months with the lowest relative humidity are September and October (75%).

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Average rainfall in August
Fortuna, CA

Average rainfall in August - Fortuna, CA
  • Average rainfall in August: 0.12"

The wettest month (with the highest rainfall) is December (5.16").
The driest months (with the least rainfall) are July and August (0.12").

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Average rainfall days in August
Fortuna, CA

Average rainfall days in August - Fortuna, CA
  • Average rainfall days in August: 1.8 days

The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (1.8 days).

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Average snowfall in August
Fortuna, CA

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

The month with the highest snowfall is February (0.31").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in August
Fortuna, CA

Average snowfall days in August - Fortuna, 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 and November (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 11h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in August
Fortuna, CA

Average sunshine days in August - Fortuna, CA
  • Average sunshine days in August: 27.8 days

The month with the most sunshine days is July (28.1 days).
The month with the least sunshine days is March (12.3 days).

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Average UV index in August
Fortuna, CA

Average UV index in August - Fortuna, CA
  • Average UV index in August: 5

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

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Average cloud cover in August
Fortuna, CA

Average cloud cover in August - Fortuna, CA
  • Average cloud cover in August: 15

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 15).

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Average visibility in August
Fortuna, CA

Average visibility in August - Fortuna, CA
  • Average visibility in August: 5mi

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

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Fortuna, California, USA

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