Costa Mesa
California, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Costa Mesa, CA

May, the last month of the spring, in Costa Mesa, is also a moderately hot month, with average temperature varying between 75.9°F (24.4°C) and 57°F (13.9°C).

Temperature

In May, the average high-temperature is relatively the same as in April - a still moderately hot 75.9°F (24.4°C). The average low-temperature, in May, is 57°F (13.9°C).

Rainfall

In Costa Mesa, 0.1" (3.3mm) of precipitation is typically accumulated. Throughout the year, in Costa Mesa, California, 10.7" (272.1mm) of rain is accumulated.

Daylight

The average length of the day in May is 13.9h.

What is the temperature in May in Costa Mesa?

In May, in Costa Mesa, California, the average high-temperature is 75.9°F (24.4°C), and the average low-temperature is 57°F (13.9°C).

How much does it rain in Costa Mesa in May?

In Costa Mesa, in May, 0.1" (3.3mm) of precipitation is typically accumulated.

How many hours of daylight does Costa Mesa have in May?

In Costa Mesa, the average length of the day in May is 13.9h.
Average temperature in May - Costa Mesa, CA
  • Average high temperature in May: 76°F

The warmest month (with the highest average high temperature) is August (85°F).
The month with the lowest average high temperature is December (69°F).

  • Average low temperature in May: 57°F

The month with the highest average low temperature is August (64°F).
Coldest months (with the lowest average low temperature) are January and December (47°F).

Average rainfall in May - Costa Mesa, CA
  • Average rainfall in May: 0.1"

The wettest month (with the highest rainfall) is February (2.7").
Driest months (with the lowest rainfall) are July and August (0").

Average daylight in May - Costa Mesa, CA
  • Average daylight in May: 13.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 10h).