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

August weather forecast and climate
Umatilla, OR

The last month of the summer, August, is another hot month in Umatilla, Oregon, with average temperature ranging between min 57.4°F (14.1°C) and max 90.5°F (32.5°C).

Temperature

In August, the average high-temperature is relatively the same as in July - a still tropical 90.5°F (32.5°C). The average low-temperature, in August, is 57.4°F (14.1°C).

Rainfall

In Umatilla, during 2 rainfall days, 0.3" (6.4mm) of precipitation is typically accumulated. In Umatilla, Oregon, during the entire year, the rain falls for 60 days and collects up to 8" (203.8mm) of precipitation.

Snowfall

In Umatilla snow does not fall in April through October.

Daylight

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

What is the temperature in August in Umatilla?

In August, in Umatilla, Oregon, the average high-temperature is 90.5°F (32.5°C), and the average low-temperature is 57.4°F (14.1°C).

How much does it rain in Umatilla in August?

In Umatilla, Oregon, during August, the rain falls for 2 days and regularly aggregates up to 0.3" (6.4mm) of precipitation.

When it does not snow in Umatilla?

April through October are months without snowfall in Umatilla.

How many hours of daylight does Umatilla have in August?

In Umatilla, Oregon, the average length of the day in August is 14.1h.
Average temperature in August - Umatilla, OR
  • Average high temperature in August: 90.5°F

The warmest month (with the highest average high temperature) is July (92.6°F).
The month with the lowest average high temperature is January (40°F).

  • Average low temperature in August: 57.3°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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

Wettest months (with the highest rainfall) are January, November and December (1.1").
The driest month (with the lowest rainfall) is July (0.2").

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

Months with the highest number of rainy days are January and December (8 days).
The month with the lowest number of rainy days is July (1 days).

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

The month with the highest snowfall is January (3.9").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

Average daylight in August - Umatilla, 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).