Mount Shasta
California, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Mount Shasta, CA

The serene Lake Siskiyou on the base of Mount Shasta in California, and a view of the planted forest, the far suspension bridge, and snowy mountain peak
The serene Lake Siskiyou on the base of Mount Shasta in California, and a view of the planted forest, the far suspension bridge, and snowy mountain peak
May, the last month of the spring, in Mount Shasta, is a comfortable month, with average temperature varying between 67.6°F (19.8°C) and 39.7°F (4.3°C).

Temperature

In May, the average high-temperature marginally rises, from a moderate 59°F (15°C) in April, to an enjoyable 67.6°F (19.8°C). The average low-temperature, in Mount Shasta, is 39.7°F (4.3°C).

Rainfall

In May, the rain falls for 8 days. In Mount Shasta, California, during the entire year, the rain falls for 98 days.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. Throughout May, Mount Shasta aggregates 0.7" (17.8mm) of snow. Throughout the year, 102.6" (2606.2mm) of snow is accumulated.

Daylight

In Mount Shasta, California, the average length of the day in May is 14.5h.

What is the temperature in May in Mount Shasta?

In Mount Shasta, in May, the average high-temperature is 67.6°F (19.8°C), and the average low-temperature is 39.7°F (4.3°C).

How many days does it rain in May in Mount Shasta?

In Mount Shasta, California, during May, it is raining for 8 days.

What is the last month it snows in Mount Shasta?

May is the last month it regularly snows. Throughout May, Mount Shasta aggregates 0.7" (17.8mm) of snow.

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

In Mount Shasta, California, the average length of the day in May is 14.5h.
Average temperature in May - Mount Shasta, CA
  • Average high temperature in May: 67.7°F

The warmest month (with the highest average high temperature) is July (87.9°F).
The month with the lowest average high temperature is January (43°F).

  • Average low temperature in May: 39.8°F

The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is January (25.8°F).

Average rainfall days in May - Mount Shasta, CA
  • Average rainfall days in May: 8 days

Months with the highest number of rainy days are January, March and December (13 days).
Months with the lowest number of rainy days are July and August (2 days).

Average snowfall in May - Mount Shasta, CA
  • Average snowfall in May: 0.7"

The month with the highest snowfall is January (27.2").
Months with the lowest snowfall are June, July, August and September (0").

Average daylight in May - Mount Shasta, CA
  • Average daylight in May: 14.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.2h).