Last updated: June 24, 2025
The average temperature in Long Beach, United States during May is a mild 15°C (59°F). Temperatures can vary significantly, with minimums dropping as low as 2°C (36°F) and soaring to a maximum of 33°C (91°F). Expect a precipitation amount of approximately 161 mm (6.3 in) over 15 days, contributing to an average humidity level of 81%.
In May in Long Beach, the average temperature is 15°C (59°F). The maximum can reach 33°C (91°F), while the minimum can dip as low as 2°C (36°F). This diverse temperature range makes Long Beach an ideal destination for travelers seeking both warm days and cool nights.
In Long Beach in May, the precipitation amount is 161 mm (6.3 in) spread over 15 days.
In Long Beach in May humidity is 81%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket draped over you, making traveling quite uncomfortable as you constantly wipe away beads of sweat and feel the stickiness clinging to your clothes.
In Long Beach in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Long Beach.
UV Risk Categories
Weather in Long Beach varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Long Beach, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 73 mm (2.9 inches) | 85% | moderate |
| February Weather | -2°C (30°F) | 73 mm (2.9 inches) | 85% | moderate |
| March Weather | 3°C (39°F) | 91 mm (3.6 inches) | 86% | high |
| April Weather | 8°C (47°F) | 105 mm (4.2 inches) | 87% | very high |
| May Weather | 15°C (59°F) | 161 mm (6.3 inches) | 81% | very high |
| June Weather | 21°C (71°F) | 133 mm (5.2 inches) | 82% | very high |
| July Weather | 24°C (76°F) | 100 mm (3.9 inches) | 81% | very high |
| August Weather | 23°C (73°F) | 99 mm (3.9 inches) | 79% | very high |
| September Weather | 20°C (68°F) | 75 mm (2.9 inches) | 78% | very high |
| October Weather | 13°C (56°F) | 139 mm (5.5 inches) | 81% | high |
| November Weather | 5°C (42°F) | 72 mm (2.8 inches) | 89% | moderate |
| December Weather | 2°C (35°F) | 63 mm (2.5 inches) | 86% | low |