Click on a day for an hourly weather forecast
The temperatures in Pismo Beach in May are comfortable with low of 11°C and and high up to 22°C.
There is little to no rain in Pismo Beach 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 Pismo Beach in May 2026.
If you’re planning to visit Pismo Beach in the near future, we highly recommend that you review the 14 day weather forecast for Pismo Beach before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 18° / 8° | 3 | 28 | 0 | 68 mm | Good | Pismo Beach in January |
| February | 18° / 7° | 3 | 25 | 0 | 56 mm | Good | Pismo Beach in February |
| March | 19° / 8° | 3 | 28 | 0 | 62 mm | Good | Pismo Beach in March |
| April | 20° / 9° | 2 | 28 | 0 | 17 mm | Good | Pismo Beach in April |
| May | 22° / 11° | 0 | 31 | 0 | 6 mm | Good | Pismo Beach in May |
| June | 25° / 13° | 0 | 30 | 0 | 2 mm | Perfect | Pismo Beach in June |
| July | 26° / 15° | 0 | 31 | 0 | 7 mm | Perfect | Pismo Beach in July |
| August | 27° / 15° | 0 | 31 | 0 | 1 mm | Perfect | Pismo Beach in August |
| September | 27° / 16° | 0 | 30 | 0 | 6 mm | Perfect | Pismo Beach in September |
| October | 24° / 14° | 1 | 30 | 0 | 16 mm | Perfect | Pismo Beach in October |
| November | 21° / 10° | 1 | 29 | 0 | 24 mm | Good | Pismo Beach in November |
| December | 17° / 8° | 3 | 28 | 0 | 48 mm | Good | Pismo Beach in December |