Oceanside
California, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Oceanside, CA

An evening panoramic view of people on the clean beach of Oceanside City in California, with buildings and palm trees with sun rays and a cloudy sky
An evening panoramic view of people on the clean beach of Oceanside City in California, with buildings and palm trees with sun rays and a cloudy sky
The last month of the spring, May, is a pleasant month in Oceanside, California, with temperature in the range of an average high of 69.1°F (20.6°C) and an average low of 60.1°F (15.6°C).

Temperature

In Oceanside, the average high-temperature in May is almost the same as in April - an agreeable 69.1°F (20.6°C). In May, the average low-temperature is 60.1°F (15.6°C).

Rainfall

In Oceanside, California, 0.2" (5.8mm) of precipitation is typically accumulated. Throughout the year, 11.1" (282.7mm) of rain is accumulated.

Ocean temperature

In Oceanside, the average seawater temperature in May is 63°F (17.2°C).
Note: For most, swimming in 63°F (17.2°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

In May, the average length of the day in Oceanside, California, is 13.9h.

What is the temperature in May in Oceanside?

In May, the average high-temperature is 69.1°F (20.6°C), and the average low-temperature is 60.1°F (15.6°C).

How much does it rain in Oceanside in May?

During May, Oceanside regularly aggregates up to 0.2" (5.8mm) of precipitation.

What is the ocean temperature in May in Oceanside?

In Oceanside, the average seawater temperature in May is 63°F (17.2°C). For most, swimming in 63°F (17.2°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

How many hours of daylight does Oceanside have in May?

In Oceanside, California, the average length of the day in May is 13.9h.
Average temperature in May - Oceanside, CA
  • Average high temperature in May: 69.1°F

The warmest month (with the highest average high temperature) is July (73.9°F).
Months with the lowest average high temperature are January, February and December (64°F).

  • Average low temperature in May: 60.1°F

The month with the highest average low temperature is July (64°F).
Coldest months (with the lowest average low temperature) are January and December (45°F).

Average rainfall in May - Oceanside, CA
  • Average rainfall in May: 0.2"

The wettest month (with the highest rainfall) is January (2.4").
The driest month (with the lowest rainfall) is July (0").

Average sea temperature in May - Oceanside, CA
  • Average sea temperature in May: 62.9°F

The best month for swimming (with the highest average sea temperature) is August (68°F).
Coldest months (with the lowest average sea temperature) are January and February (58.7°F).

Average daylight in May - Oceanside, CA
  • Average daylight in May: 13.9h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).