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

August weather forecast and climate
Heppner, OR

The last month of the summer, August, is also a moderately hot month in Heppner, Oregon, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 53.4°F (11.9°C).


In August, the average high-temperature is practically the same as in July - a still warm 85.6°F (29.8°C). The average low-temperature, in August, is 53.4°F (11.9°C).


During August, Heppner regularly aggregates up to 0.4" (9.4mm) of precipitation. Throughout the year, 13.9" (352.4mm) of rain is accumulated.


In Heppner, during the entire year, snow aggregates up to 12.1" (307.4mm).


The average length of the day in August in Heppner is 14h.

What is the temperature in August in Heppner?

The average high-temperature, in August, in Heppner, is 85.6°F (29.8°C), while the average low-temperature is 53.4°F (11.9°C).

How much does it rain in Heppner in August?

In Heppner, in August, 0.4" (9.4mm) of precipitation is typically accumulated.

How many hours of daylight does Heppner have in August?

In Heppner, the average length of the day in August is 14h.
Average temperature in August - Heppner, OR
  • Average high temperature in August: 85.7°F

The warmest month (with the highest average high temperature) is July (85.9°F).
The month with the lowest average high temperature is December (41.2°F).

  • Average low temperature in August: 53.5°F

The month with the highest average low temperature is July (53.7°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).

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

The wettest month (with the highest rainfall) is May (1.7").
The driest month (with the lowest rainfall) is July (0.3").

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

The month with the highest snowfall is December (4.2").
Months with the lowest snowfall are May, June, July, August and September (0").

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

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).