Morro Bay
California, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Morro Bay, CA

The iconic Morro Rock, a famous tourist spot in Morro Bay, California, with an even more scenic view of the yellow sun setting. Blue sky
The iconic Morro Rock, a famous tourist spot in Morro Bay, California, with an even more scenic view of the yellow sun setting. Blue sky
May, the last month of the spring, in Morro Bay, is also an enjoyable month, with temperature in the range of an average high of 65.7°F (18.7°C) and an average low of 50.2°F (10.1°C).

Temperature

In May, the average high-temperature is relatively the same as in April - a still enjoyable 65.7°F (18.7°C). In May, in Morro Bay, the average low-temperature is 50.2°F (10.1°C).

Rainfall

In Morro Bay, California, during 1.7 rainfall days, 0.4" (10.9mm) of precipitation is typically accumulated. Throughout the year, there are 49.5 rainfall days, and 17.5" (444.1mm) of precipitation is accumulated.

Ocean temperature

Months with the coldest seawater in Morro Bay are April and May, with an average ocean temperature of 54.3°F (12.4°C).
Note: Swimming in 54.3°F (12.4°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In May, the average length of the day is 14h.

What is the temperature in May in Morro Bay?

In May, in Morro Bay, California, the average high-temperature is 65.7°F (18.7°C), and the average low-temperature is 50.2°F (10.1°C).

How many days does it rain in May in Morro Bay?

In Morro Bay, California, in May, it is raining for 1.7 days, with typically 0.4" (10.9mm) of accumulated precipitation.

What months are the ocean coldest in Morro Bay?

April and May, with an average ocean temperature of 54.3°F (12.4°C), are months with the coldest seawater.

How cold is the water in May in Morro Bay?

In Morro Bay, the average seawater temperature in May is 54.3°F (12.4°C). Swimming in 54.3°F (12.4°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Morro Bay have in May?

In May, the average length of the day in Morro Bay, California, is 14h.
Average temperature in May - Morro Bay, CA
  • Average high temperature in May: 65.7°F

The warmest month (with the highest average high temperature) is October (71.4°F).
The month with the lowest average high temperature is December (64.8°F).

  • Average low temperature in May: 50.2°F

The month with the highest average low temperature is August (55.6°F).
The coldest month (with the lowest average low temperature) is December (44.5°F).

Average rainfall in May - Morro Bay, CA
  • Average rainfall in May: 0.4"

The wettest month (with the highest rainfall) is February (3.8").
The driest month (with the lowest rainfall) is July (0").

Average rainfall days in May - Morro Bay, CA
  • Average rainfall days in May: 1.7 days

The month with the highest number of rainy days is February (9.2 days).
The month with the lowest number of rainy days is July (0.4 days).

Average sea temperature in May - Morro Bay, CA
  • Average sea temperature in May: 54.4°F

Best months for swimming (with the highest average sea temperature) are August and October (58.6°F).
The coldest month (with the lowest average sea temperature) is April (54.3°F).

Average daylight in May - Morro Bay, CA
  • Average daylight in May: 14h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).