Mount Vernon
Washington, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Mount Vernon, WA

May, the last month of the spring, in Mount Vernon, is a comfortable month, with average temperature varying between 64°F (17.8°C) and 45.3°F (7.4°C).

Temperature

In May, the average high-temperature marginally rises, from a mild 58.1°F (14.5°C) in April, to a comfortable 64°F (17.8°C). In Mount Vernon, the average low-temperature is 45.3°F (7.4°C).

Rainfall

In Mount Vernon, 2.4" (61.5mm) of precipitation is typically accumulated. During the entire year, Mount Vernon aggregates up to 32.7" (830.7mm) of precipitation.

Daylight

In Mount Vernon, the average length of the day in May is 15.3h.

What is the temperature in May in Mount Vernon?

The average high-temperature, in May, is 64°F (17.8°C), while the average low-temperature is 45.3°F (7.4°C).

How much does it rain in Mount Vernon in May?

In Mount Vernon, in May, 2.4" (61.5mm) of precipitation is typically accumulated.

How many hours of daylight does Mount Vernon have in May?

The average length of the day in May in Mount Vernon is 15.3h.
Average temperature in May - Mount Vernon, WA
  • Average high temperature in May: 64°F

The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is January (45.7°F).

  • Average low temperature in May: 45.4°F

The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is January (34.1°F).

Average rainfall in May - Mount Vernon, WA
  • Average rainfall in May: 2.4"

The wettest month (with the highest rainfall) is November (4.8").
The driest month (with the lowest rainfall) is July (1.2").

Average daylight in May - Mount Vernon, WA
  • Average daylight in May: 15.3h

The month with the longest days is June (Average daylight: 16h).
The month with shortest days is December (Average daylight: 8.4h).