August weather forecast
Prineville, OR

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The iconic landmark of the ancient courthouse of the Crook County in Prineville, Oregon, amid many trees with the colorful fall foliage beauty
The iconic landmark of the ancient courthouse of the Crook County in Prineville, Oregon, amid many trees with the colorful fall foliage beauty

Weather in August

August, the last month of the summer in Prineville, is another warm month, with an average temperature varying between 81°F (27.2°C) and 52.9°F (11.6°C).

Temperature

The start of August sees the average high-temperature at a still warm 81°F (27.2°C), showing little difference from July's 81.1°F (27.3°C). Prineville logs a notable disparity from the daily highs during August, as the nighttime temperature lowers to an average of 52.9°F (11.6°C).

Heat index

The heat index value during August is calculated to be 80.6°F (27°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

The months with the lowest humidity are July and August, with an average relative humidity of 45%.

Rainfall

In August, in Prineville, Oregon, the rain falls for 4.8 days. Throughout August, 0.43" (11mm) of precipitation is accumulated. In Prineville, Oregon, during the entire year, the rain falls for 138.8 days and collects up to 14.69" (373mm) of precipitation.

Snowfall

June through August are months without snowfall in Prineville.

Daylight

In August, the average length of the day in Prineville is 13h and 58min.
On the first day of the month, sunrise is at 5:51 am and sunset at 8:27 pm. On the last day of August, sunrise is at 6:26 am and sunset at 7:40 pm PDT.

Sunshine

The average sunshine in August in Prineville, Oregon, is 11.9h.

UV index

In Prineville, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In August, a daily UV index of 5 turns into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. To protect against the Sun's most potent rays, avoid direct exposure around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What is the temperature in August in Prineville?

In August, in Prineville, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 52.9°F (11.6°C). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in August is calculated to be 80.6°F (27°C).

What is the least humid month in Prineville?

July and August, with an average relative humidity of 45%, are the least humid months in Prineville, Oregon.

What is the average humidity in August in Prineville?

In August, the average relative humidity is 45%.

How much does it rain in Prineville in August?

In August, in Prineville, the rain falls for 4.8 days. Throughout August, 0.43" (11mm) of precipitation is accumulated.

When it does not snow in Prineville?

June through August are months without snowfall in Prineville.

Does it snow in Prineville in August?

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

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

In Prineville, Oregon, the average day length in August is 13h and 58min.

When are sunrise and sunset in August in Prineville?

In August, on the first day of the month, sunrise is at 5:51 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:40 pm PDT.

How long on average sun shines in August in Prineville?

In August, the average sunshine duration in Prineville, Oregon, is 11.9h.

What is the UV index reading in August in Prineville?

In Prineville, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Prineville, OR

Average temperature in August - Prineville, OR
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in August: 52.9°F

The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is December (25°F).

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Average pressure in August
Prineville, OR

Average pressure in August - Prineville, OR
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).

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Average wind speed in August
Prineville, OR

Average wind speed in August - Prineville, OR
  • Average wind speed in August: 5.3mph

The windiest months (with the highest average wind speed) are March and April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in August
Prineville, OR

Average humidity in August - Prineville, OR
  • Average humidity in August: 45%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (45%).

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Average rainfall in August
Prineville, OR

Average rainfall in August - Prineville, OR
  • Average rainfall in August: 0.43"

The wettest month (with the highest rainfall) is December (1.89").
The driest month (with the least rainfall) is July (0.31").

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Average rainfall days in August
Prineville, OR

Average rainfall days in August - Prineville, OR
  • Average rainfall days in August: 4.8 days

The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is July (4.2 days).

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Average snowfall in August
Prineville, OR

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

The month with the highest snowfall is February (6.54").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Prineville, OR

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

The month with the highest number of snowfall days is December (13.3 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
Prineville, OR

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • 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).

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Average sunshine days in August
Prineville, OR

Average sunshine days in August - Prineville, OR
  • Average sunshine days in August: 22.9 days

The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is March (8.8 days).

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Average UV index in August
Prineville, OR

Average UV index in August - Prineville, 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, March, November and December (UV index 2).

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Average cloud cover in August
Prineville, OR

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

The month with the most cloud cover is December (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
Prineville, OR

Average visibility in August - Prineville, OR
  • Average visibility in August: 6mi

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

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Prineville, Oregon, USA

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