August weather forecast
Ukiah, OR

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Weather in August

The last month of the summer, August, is another warm month in Ukiah, Oregon, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 81.5°F (27.5°C).

Temperature

Ukiah's temperatures tend to hit their maximum during July and August, with an average high-temperature of 81.5°F (27.5°C).

Heat index

August's average heat index is appraised at 80.6°F (27°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.
Always consider that heat index estimations are for light winds and places in the shade. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

The least humid month in Ukiah, Oregon, is August, with an average relative humidity of 41%.

Rainfall

In Ukiah, in August, during 3.5 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. Throughout the year, in Ukiah, Oregon, there are 145.3 rainfall days, and 16.69" (424mm) of precipitation is accumulated.

Snowfall

In Ukiah, Oregon, snow does not fall in June through August.

Daylight

The average length of the day in August is 14h and 1min.
On the first day of August in Ukiah, sunrise is at 5:41 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:34 pm PDT.

Sunshine

The month with the most sunshine is August, with an average of 12h of sunshine.

UV index

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 5 in August transforms into the following instructions:
Guard yourself - Avoiding sunburn is suggested. Direct Sun exposure should be minimized especially during midday when radiation is most intense. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

What part of the year is the hottest in Ukiah?

In Ukiah, the warmest months are July and August, registering an average high-temperature of 81.5°F (27.5°C).

What are the temperatures in Ukiah in August?

In Ukiah, in August, the average high-temperature is 81.5°F (27.5°C), and the average low-temperature is 59.5°F (15.3°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 80.6°F (27°C).

What is the least humid month in Ukiah?

With an average relative humidity of 41%, August is the least humid month in Ukiah, Oregon.

What is the average humidity in August in Ukiah?

In Ukiah, Oregon, the average relative humidity in August is 41%.

How many days does it rain in August in Ukiah?

In Ukiah, during August, the rain falls for 3.5 days and regularly aggregates up to 0.28" (7mm) of precipitation.

When it does not snow in Ukiah?

In Ukiah, Oregon, snow does not fall in June through August.

Does it snow in Ukiah in August?

In Ukiah, Oregon, in August, it doesn't snow. In September, it regularly snows.

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

In Ukiah, Oregon, the average day length in August is 14h and 1min.

When are sunrise and sunset in August in Ukiah?

In August, on the first day of the month, sunrise is at 5:41 am and sunset at 8:22 pm. On the last day of the month, in Ukiah, sunrise is at 6:17 am and sunset at 7:34 pm PDT.

What month has the most sunshine in Ukiah?

The month with the most sunshine is August, with an average of 12h of sunshine.

How many hours of sunshine does Ukiah have in August?

In Ukiah, Oregon, the average sunshine duration in August is 12h.

What is the UV index reading in August in Ukiah?

In Ukiah, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Ukiah, OR

Average temperature in August - Ukiah, OR
  • Average high temperature in August: 81.5°F

The warmest months (with the highest average high temperature) are July and August (81.5°F).
The month with the lowest average high temperature is December (36.7°F).

  • Average low temperature in August: 59.5°F

The month with the highest average low temperature is August (59.5°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).

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Average pressure in August
Ukiah, OR

Average pressure in August - Ukiah, OR
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

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Average wind speed in August
Ukiah, OR

Average wind speed in August - Ukiah, OR
  • Average wind speed in August: 6.6mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).

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Average humidity in August
Ukiah, OR

Average humidity in August - Ukiah, OR
  • Average humidity in August: 41%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (41%).

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Average rainfall in August
Ukiah, OR

Average rainfall in August - Ukiah, OR
  • Average rainfall in August: 0.28"

The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.2").

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Average rainfall days in August
Ukiah, OR

Average rainfall days in August - Ukiah, OR
  • Average rainfall days in August: 3.5 days

The month with the highest number of rainy days is March (18.4 days).
The month with the least rainy days is August (3.5 days).

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Average snowfall in August
Ukiah, OR

Average snowfall in August - Ukiah, OR
  • Average snowfall in August: 0"

The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Ukiah, OR

Average snowfall days in August - Ukiah, OR
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (8.3 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in August /
Average sunshine in August
Ukiah, OR

Average daylight in August / Average sunshine in August - Ukiah, OR
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in August: 12h

The month with the most sunshine is August (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5h).

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Average sunshine days in August
Ukiah, OR

Average sunshine days in August - Ukiah, OR
  • Average sunshine days in August: 24.8 days

The month with the most sunshine days is August (24.8 days).
The month with the least sunshine days is February (8.7 days).

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Average UV index in August
Ukiah, OR

Average UV index in August - Ukiah, OR
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Ukiah, OR

Average cloud cover in August - Ukiah, OR
  • Average cloud cover in August: 10

The months with the most cloud cover are January and February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 10).

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Average visibility in August
Ukiah, OR

Average visibility in August - Ukiah, OR
  • 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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Ukiah, Oregon, USA

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