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

August weather forecast and climate
Hermiston, OR

August, the last month of the summer, in Hermiston, is another tropical month, with average temperature fluctuating between 55.2°F (12.9°C) and 88.7°F (31.5°C).

Temperature

In August, the average high-temperature is essentially the same as in July - a still tropical 88.7°F (31.5°C). The average low-temperature, in August, is 55.2°F (12.9°C).

Rainfall

In Hermiston, during August, the rain falls for 2 days and regularly aggregates up to 0.3" (7.1mm) of precipitation. Throughout the year, in Hermiston, there are 77 rainfall days, and 8.8" (224.6mm) of precipitation is accumulated.

Snowfall

Throughout the year, in Hermiston, 11.2" (284.6mm) of snow is accumulated.

Daylight

In August, the average length of the day is 14.1h.

What is the temperature in August in Hermiston?

The average high-temperature, in August, in Hermiston, Oregon, is 88.7°F (31.5°C), while the average low-temperature is 55.2°F (12.9°C).

How many days does it rain in August in Hermiston?

In Hermiston, Oregon, in August, during 2 rainfall days, 0.3" (7.1mm) of precipitation is typically accumulated.

How many hours of daylight does Hermiston have in August?

In August, the average length of the day in Hermiston is 14.1h.
Average temperature in August - Hermiston, OR
  • Average high temperature in August: 88.7°F

The warmest month (with the highest average high temperature) is July (90.4°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in August: 55.2°F

The month with the highest average low temperature is July (57.1°F).
The coldest month (with the lowest average low temperature) is January (23.6°F).

Average rainfall in August - Hermiston, OR
  • Average rainfall in August: 0.3"

Wettest months (with the highest rainfall) are January, November and December (1.2").
The driest month (with the lowest rainfall) is July (0.2").

Average rainfall days in August - Hermiston, OR
  • Average rainfall days in August: 2 days

The month with the highest number of rainy days is December (11 days).
Months with the lowest number of rainy days are July and August (2 days).

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

The month with the highest snowfall is January (5").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

Average daylight in August - Hermiston, OR
  • Average daylight in August: 14.1h

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).