August weather forecast
Jamieson, OR

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Weather in August

The last month of the summer, August, is another hot month in Jamieson, Oregon, with an average temperature ranging between min 63.5°F (17.5°C) and max 89.4°F (31.9°C).

Temperature

Jamieson's average high-temperature marks a still hot 89.4°F (31.9°C) with the advent of August, closely mirroring that of the preceding month. Jamieson encounters a significant temperature differential, with an average low-temperature of 63.5°F (17.5°C) during August nights.

Humidity

July and August, with an average relative humidity of 28%, are the least humid months.

Rainfall

The months with the least rainfall in Jamieson, Oregon, are July and August Rain falls for 2.3 days and accumulates 0.08" (2mm) of rain.

Snowfall

In Jamieson, snow does not fall in May through October.

Daylight

The average length of the day in August in Jamieson is 13h and 58min.
On the first day of the month, sunrise is at 6:38 am and sunset at 9:13 pm. On the last day of August, in Jamieson, sunrise is at 7:12 am and sunset at 8:26 pm MDT.

Sunshine

In Jamieson, Oregon, the average sunshine in August is 11.2h.

UV index

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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Frequently asked questions

Is it hot in Jamieson during August?

August temperatures vary between a high-temperature of 89.4°F (31.9°C) and a low-temperature of 63.5°F (17.5°C).

What are the least humid months in Jamieson?

July and August, with an average relative humidity of 28%, are the least humid months in Jamieson, Oregon.

What is the average humidity in August in Jamieson?

In August, the average relative humidity is 28%.

What is the driest month in Jamieson?

The months with the least rainfall in Jamieson, Oregon, are July and August Rain falls for 2.3 days and accumulates 0.08" (2mm) of rain.

How much does it rain in Jamieson in August?

In Jamieson, in August, during 2.3 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

When it does not snow in Jamieson?

In Jamieson, snow does not fall in May through October.

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

The average day length in August is 13h and 58min.

When are sunrise and sunset in August in Jamieson?

In August, on the first day of the month, sunrise is at 6:38 am and sunset at 9:13 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 8:26 pm MDT.

How many hours of sunshine does Jamieson have in August?

In August, the average sunshine duration in Jamieson is 11.2h.

What is the UV index reading in August in Jamieson?

In August, the average daily maximum UV index in Jamieson, Oregon, is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
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
Jamieson, OR

Average temperature in August - Jamieson, OR
  • Average high temperature in August: 89.4°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (34.3°F).

  • Average low temperature in August: 63.5°F

The month with the highest average low temperature is August (63.5°F).
The coldest months (with the lowest average low temperature) are January and December (22.1°F).

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Average pressure in August
Jamieson, OR

Average pressure in August - Jamieson, OR
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).

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Average wind speed in August
Jamieson, OR

Average wind speed in August - Jamieson, OR
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (3.9mph).

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Average humidity in August
Jamieson, OR

Average humidity in August - Jamieson, OR
  • Average humidity in August: 28%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (28%).

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Average rainfall in August
Jamieson, OR

Average rainfall in August - Jamieson, OR
  • Average rainfall in August: 0.08"

The wettest months (with the highest rainfall) are March and May (0.39").
The driest months (with the least rainfall) are July and August (0.08").

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Average rainfall days in August
Jamieson, OR

Average rainfall days in August - Jamieson, OR
  • Average rainfall days in August: 2.3 days

The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is August (2.3 days).

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Average snowfall in August
Jamieson, OR

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

The month with the highest snowfall is December (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Jamieson, OR

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

The month with the highest number of snowfall days is December (6.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Jamieson, 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 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

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Average sunshine days in August
Jamieson, OR

Average sunshine days in August - Jamieson, OR
  • Average sunshine days in August: 25.9 days

The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is March (20.1 days).

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Average UV index in August
Jamieson, OR

Average UV index in August - Jamieson, OR
  • Average UV index in August: 6

The month with the highest UV index is July (UV index 7).
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
Jamieson, OR

Average cloud cover in August - Jamieson, OR
  • Average cloud cover in August: 8

The months with the most cloud cover are January and December (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 8).

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Average visibility in August
Jamieson, OR

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

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

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Jamieson, Oregon, USA

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