Long Beach weather in May
Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Excellent
Best time to visit: January – December
What is the weather like in Long Beach in May?
In May, Long Beach is warm: daytime highs average 22 °C, and nights cool down to about 14 °C. The sea averages 16.9 °C – swimming is only for the hardy. With around 10 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, May is an excellent month for a holiday in Long Beach.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 13 h 53 min05:52 – 19:45
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 42 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC−7America/Los_Angeles
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in May
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Long Beach in May: quick answers
Is Long Beach hot in May?
Warm rather than hot: in May, daytime highs in Long Beach average 22 °C and nights cool to about 14 °C. On about 1 days the thermometer climbs to 30 °C or more.
Can you swim in Long Beach in May?
Only if you don't mind cold water: in May the sea averages just 16.9 °C. Comfortable swimming is possible from July to September.
Does it rain much in Long Beach in May?
It hardly ever rains.
Long Beach month by month
The whole year in Long BeachAll destinations: USAWhere to go in MaySea temperature in May
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences