The temperatures in Oceanside in May are usually low and can range between 14°C and 20°C.
There is little to no rain in Oceanside during May, so it’s a lot easier to explore the city. Just remember to dress in warm layers, as it can still get pretty chilly.
Our weather forecast can give you a great sense of what weather to expect in Oceanside in May 2025.
If you’re planning to visit Oceanside in the near future, we highly recommend that you review the 14 day weather forecast for Oceanside before you arrive.
Temperatures
20° / 14°
Rainy Days
0
Snowy Days
0
Dry Days
31
Rainfall
14
mm
Sun Hours
11.5
Hrs