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

May weather forecast and climate
Richland, OR

The last month of the spring, May, is a moderately hot month in Richland, Oregon, with average temperature ranging between min 40.6°F (4.8°C) and max 74.1°F (23.4°C).

Temperature

In May, the average high-temperature marginally rises, from an enjoyable 65.5°F (18.6°C) in April, to a warm 74.1°F (23.4°C). In May, the average low-temperature is 40.6°F (4.8°C).

Rainfall

The month with the most rainfall is May when the rain falls for 6 days and typically aggregates up to 1.3" (33.8mm) of precipitation.

Snowfall

In May, in Richland, it doesn't snow. April is the latest month when it typically snows. Throughout the year, in Richland, 17.3" (439.4mm) of snow is accumulated.

Daylight

In Richland, the average length of the day in May is 14.9h.

What is the temperature in May in Richland?

In May, in Richland, Oregon, the average high-temperature is 74.1°F (23.4°C), and the average low-temperature is 40.6°F (4.8°C).

How much does it rain in Richland in May?

In Richland, during May, the rain falls for 6 days and regularly aggregates up to 1.3" (33.8mm) of precipitation.

What is the rainiest month in Richland?

The month with the most rainfall in Richland is May when the rain falls for 6 days and typically aggregates up to 1.3" (33.8mm) of precipitation.

Does it snow in Richland in May?

In May, in Richland, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May in Richland?

In May, the average length of the day in Richland is 14.9h.
Average temperature in May - Richland, OR
  • Average high temperature in May: 74.1°F

The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in May: 40.6°F

The month with the highest average low temperature is July (52.8°F).
The coldest month (with the lowest average low temperature) is January (19.7°F).

Average rainfall in May - Richland, OR
  • Average rainfall in May: 1.3"

Wettest months (with the highest rainfall) are January, May, November and December (1.3").
The driest month (with the lowest rainfall) is July (0.4").

Average rainfall days in May - Richland, OR
  • Average rainfall days in May: 6 days

Months with the highest number of rainy days are January, November and December (7 days).
The month with the lowest number of rainy days is July (2 days).

Average snowfall in May - Richland, OR
  • Average snowfall in May: 0"

The month with the highest snowfall is January (6.4").
Months with the lowest snowfall are May, June, July, August and September (0").

Average daylight in May - Richland, OR
  • Average daylight in May: 14.9h

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