August weather forecast
Eugene, CA

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Weather in August

The last month of the summer, August, is another torrid month in Eugene, California, with an average temperature ranging between min 61.3°F (16.3°C) and max 95.5°F (35.3°C).

Temperature

As July transitions into August, the average high-temperature rests at a still torrid 95.5°F (35.3°C), maintaining a close resemblance to the previous month. Despite higher daytime temperatures, nighttime averages fall to a refreshing 61.3°F (16.3°C) in August in Eugene.

Heat index

During August, the heat index is calculated to be a very hot 100.4°F (38°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Consider that heat index readings are for situations in the shade and light wind. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In Eugene, the average relative humidity in August is 40%.

Rainfall

The months with the least rainfall are July and August Rain falls for 0.7 days and accumulates 0.04" (1mm) of rain.

Snowfall

In Eugene, California, snow does not fall in January through November.

Daylight

In August, the average length of the day in Eugene is 13h and 35min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:11 pm. On the last day of August, sunrise is at 6:33 am and sunset at 7:33 pm PDT.

Sunshine

In August, the average sunshine is 12h.

UV index

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, the maximum UV index of 6 transforms into these recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
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Frequently asked questions

How hot is it in Eugene in August?

The average high-temperature and low-temperature in Eugene, California, during August are 95.5°F (35.3°C) and 61.3°F (16.3°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 100.4°F (38°C).

What is the average humidity in August in Eugene?

The average relative humidity in August in Eugene, California, is 40%.

What is the driest month in Eugene?

The months with the least rainfall in Eugene are July and August Rain falls for 0.7 days and accumulates 0.04" (1mm) of rain.

How many days does it rain in August in Eugene?

In August, in Eugene, California, the rain falls for 0.7 days. Throughout August, 0.04" (1mm) of precipitation is accumulated.

When it does not snow in Eugene?

January through November are months without snowfall in Eugene.

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

The average day length in August in Eugene, California, is 13h and 35min.

What time are sunrise and sunset in August in Eugene?

In August, on the first day of the month, sunrise is at 6:07 am and sunset at 8:11 pm. On the last day of the month, in Eugene, California, sunrise is at 6:33 am and sunset at 7:33 pm PDT.

How long on average sun shines in August in Eugene?

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

How high is the UV index in August in Eugene?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Eugene, CA

Average temperature in August - Eugene, CA
  • Average high temperature in August: 95.5°F

The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in August: 61.3°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (41°F).

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Average pressure in August
Eugene, CA

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in August
Eugene, CA

Average wind speed in August - Eugene, CA
  • Average wind speed in August: 6.4mph

The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

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Average humidity in August
Eugene, CA

Average humidity in August - Eugene, CA
  • Average humidity in August: 40%

The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is July (37%).

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Average rainfall in August
Eugene, CA

Average rainfall in August - Eugene, CA
  • Average rainfall in August: 0.04"

The wettest month (with the highest rainfall) is March (1.65").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in August
Eugene, CA

Average rainfall days in August - Eugene, CA
  • Average rainfall days in August: 0.7 days

The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is August (0.7 days).

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Average snowfall in August
Eugene, CA

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

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

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Average snowfall days in August
Eugene, CA

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

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

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

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

The month with the longest days is June (Average daylight: 14h and 42min).
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 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

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Average sunshine days in August
Eugene, CA

Average sunshine days in August - Eugene, CA
  • Average sunshine days in August: 29.2 days

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (18.7 days).

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Average UV index in August
Eugene, CA

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in August
Eugene, CA

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

The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in August
Eugene, CA

Average visibility in August - Eugene, 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).

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Eugene, California, USA

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