Sisters
Oregon, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Sisters, OR

The last month of the summer, August, is also a moderately hot month in Sisters, Oregon, with average temperature ranging between max 83.5°F (28.6°C) and min 41.7°F (5.4°C).

Temperature

In August, the average high-temperature is essentially the same as in July - a still moderately hot 83.5°F (28.6°C). In Sisters, in August, the average low-temperature is 41.7°F (5.4°C).

Rainfall

In August, the rain falls for 3 days. Throughout August, 0.4" (10.4mm) of precipitation is accumulated. In Sisters, during the entire year, the rain falls for 72 days and collects up to 13.5" (342.9mm) of precipitation.

Snowfall

In Sisters, during the entire year, snow aggregates up to 30.1" (764.5mm).

Daylight

In Sisters, the average length of the day in August is 14h.

What is the temperature in August in Sisters?

In August, in Sisters, Oregon, the average high-temperature is 83.5°F (28.6°C), and the average low-temperature is 41.7°F (5.4°C).

How much does it rain in Sisters in August?

In Sisters, Oregon, in August, during 3 rainfall days, 0.4" (10.4mm) of precipitation is typically accumulated.

How many hours of daylight does Sisters have in August?

In August, the average length of the day is 14h.
Average temperature in August - Sisters, OR
  • Average high temperature in August: 83.5°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (40.5°F).

  • Average low temperature in August: 41.8°F

The month with the highest average low temperature is July (42.4°F).
The coldest month (with the lowest average low temperature) is December (20.9°F).

Average rainfall in August - Sisters, OR
  • Average rainfall in August: 0.4"

The wettest month (with the highest rainfall) is December (2.3").
Driest months (with the lowest rainfall) are July, August and September (0.4").

Average rainfall days in August - Sisters, OR
  • Average rainfall days in August: 3 days

The month with the highest number of rainy days is November (10 days).
The month with the lowest number of rainy days is July (2 days).

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

The month with the highest snowfall is January (8.3").
Months with the lowest snowfall are May, June, July, August and September (0").

Average daylight in August - Sisters, OR
  • Average daylight in August: 14h

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 8.9h).