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

August weather forecast and climate
Saint Helens, OR

August, the last month of the summer, in Saint Helens, is also a moderately hot month, with average temperature fluctuating between 82.4°F (28°C) and 55.4°F (13°C).

Temperature

The warmest month is August, with an average high-temperature of 82.4°F (28°C) and an average low-temperature of 55.4°F (13°C).

Rainfall

In Saint Helens, in August, it is raining for 5 days, with typically 1.1" (28.2mm) of accumulated precipitation. In Saint Helens, during the entire year, the rain falls for 150 days and collects up to 43.8" (1112.9mm) of precipitation.

Snowfall

In Saint Helens snow does not fall in March through October.

Daylight

The average length of the day in August in Saint Helens is 14.1h.

What is the warmest month in Saint Helens?

The warmest month in Saint Helens is August, with an average high-temperature of 82.4°F (28°C) and an average low-temperature of 55.4°F (13°C).

What is the temperature in August in Saint Helens?

The average high-temperature, in August, in Saint Helens, Oregon, is 82.4°F (28°C), while the average low-temperature is 55.4°F (13°C).

How many days does it rain in August in Saint Helens?

In Saint Helens, Oregon, in August, it is raining for 5 days, with typically 1.1" (28.2mm) of accumulated precipitation.

When it does not snow in Saint Helens?

In Saint Helens, Oregon, snow does not fall in March through October.

How many hours of daylight does Saint Helens have in August?

In August, the average length of the day in Saint Helens, Oregon, is 14.1h.
Average temperature in August - Saint Helens, OR
  • Average high temperature in August: 82.4°F

The warmest month (with the highest average high temperature) is August (82.4°F).
The month with the lowest average high temperature is December (45.7°F).

  • Average low temperature in August: 55.4°F

The month with the highest average low temperature is August (55.4°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).

Average rainfall in August - Saint Helens, OR
  • Average rainfall in August: 1.1"

The wettest month (with the highest rainfall) is December (6.8").
The driest month (with the lowest rainfall) is July (0.7").

Average rainfall days in August - Saint Helens, OR
  • Average rainfall days in August: 5 days

Months with the highest number of rainy days are January, November and December (18 days).
The month with the lowest number of rainy days is July (4 days).

Average snowfall in August - Saint Helens, OR
  • Average snowfall in August: 0"

The month with the highest snowfall is January (1.3").
Months with the lowest snowfall are March, April, May, June, July, August, September and October (0").

Average daylight in August - Saint Helens, 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).