August weather forecast
Terrebonne, OR

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Weather in August

August, the last month of the summer in Terrebonne, is also a moderately hot month, with an average temperature fluctuating between 81°F (27.2°C) and 52.9°F (11.6°C).

Temperature

Entering August, Terrebonne's average high-temperature reads a still warm 81°F (27.2°C), indicating a close resemblance to the previous month's climate. Terrebonne's temperature in August declines substantially from daytime highs, settling at a consistent average of 52.9°F (11.6°C) during the nights.

Heat index

In August, the average heat index is appraised at 80.6°F (27°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

July and August, with an average relative humidity of 47%, are the least humid months.

Rainfall

In Terrebonne, during August, the rain falls for 3.8 days and regularly aggregates up to 0.35" (9mm) of precipitation. Throughout the year, there are 125.1 rainfall days, and 12.48" (317mm) of precipitation is accumulated.

Snowfall

In Terrebonne, snow does not fall in June through August.

Daylight

The average length of the day in August is 13h and 58min.
On the first day of the month, sunrise is at 5:52 am and sunset at 8:29 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:42 pm PDT.

Sunshine

In August, the average sunshine is 11.9h.

UV index

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 in August interprets into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

What is the average August temperature?

During August, Terrebonne experiences an average high-temperature of 81°F (27.2°C) and a low-temperature of 52.9°F (11.6°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is appraised at 80.6°F (27°C).

What are the least humid months?

July and August, with an average relative humidity of 47%, are the least humid months.

What is the average humidity in August?

In Terrebonne, the average relative humidity in August is 47%.

How many days does it rain in August?

In Terrebonne, Oregon, during August, the rain falls for 3.8 days and regularly aggregates up to 0.35" (9mm) of precipitation.

When it does not snow?

In Terrebonne, snow does not fall in June through August.

Does it snow in August?

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

What is the average length of the day in August?

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

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:52 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:42 pm PDT.

How many hours of sunshine does Terrebonne have in August?

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

What is the UV index intensity in August?

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

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

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is December (37°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 (25.7°F).

Average pressure in August
Terrebonne, OR

Average pressure in August - Terrebonne, OR
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).

Average wind speed in August
Terrebonne, OR

Average wind speed in August - Terrebonne, OR
  • Average wind speed in August: 5.2mph

The windiest months (with the highest average wind speed) are March and April (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.2mph).

Average humidity in August
Terrebonne, OR

Average humidity in August - Terrebonne, OR
  • Average humidity in August: 47%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (47%).

Average rainfall in August
Terrebonne, OR

Average rainfall in August - Terrebonne, OR
  • Average rainfall in August: 0.35"

The wettest month (with the highest rainfall) is December (1.73").
The driest month (with the least rainfall) is July (0.24").

Average rainfall days in August
Terrebonne, OR

Average rainfall days in August - Terrebonne, OR
  • Average rainfall days in August: 3.8 days

The month with the highest number of rainy days is March (16.1 days).
The month with the least rainy days is July (3.3 days).

Average snowfall in August
Terrebonne, OR

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

The month with the highest snowfall is February (6.26").
The months with the least snowfall are June, July and August (0").

Average snowfall days in August
Terrebonne, OR

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

The month with the highest number of snowfall days is December (12.1 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in August / Average sunshine in August - Terrebonne, 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 months with the least sunshine are January and December (Average sunshine: 5h and 36min).

Average sunshine days in August
Terrebonne, OR

Average sunshine days in August - Terrebonne, OR
  • Average sunshine days in August: 24.4 days

The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is March (10.2 days).

Average UV index in August
Terrebonne, OR

Average UV index in August - Terrebonne, 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).

Average cloud cover in August
Terrebonne, OR

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

The month with the most cloud cover is December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 10).

Average visibility in August
Terrebonne, OR

Average visibility in August - Terrebonne, 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).

Terrebonne, Oregon, USA

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