May weather forecastLong Beach, CA
May
Weather in May
May signals the advent of summer in Long Beach, California. The sharp sunlight and clear sky define the landscape with a recurring backdrop of minimal clouds, enhancing the city's beauty. During May, the temperature ranges from 57°F (13.9°C) to 70°F (21.1°C), heating up the surroundings and preparing residents for the upcoming summer season. When June takes over from May, it brings along a noticeable rise in humidity and further increase in temperature. Relish May's splendid weather, as it melds the freshness of spring with the warmth of the summer season.Temperature
Upon the beginning of May, Long Beach's high-temperatures register at a still pleasant 70°F (21.1°C), closely mirroring the preceding month. Long Beach's nighttime temperature in May falls to an average of 57°F (13.9°C).Humidity
In Long Beach, California, the average relative humidity in May is 67%.Rainfall
In May, the rain falls for 3.4 days. Throughout May, 0.16" (4mm) of precipitation is accumulated. In Long Beach, during the entire year, the rain falls for 47.2 days and collects up to 5.59" (142mm) of precipitation.Ocean temperature
In Long Beach, the average seawater temperature in May is 62.1°F (16.7°C).Note: Swimming in water at 62.1°F (16.7°C) is not a pleasurable experience for most. The task of managing breathing becomes more challenging as the water temperature descends from 69.8°F (21°C) to 59°F (15°C).
Daylight
In May, the average length of the day is 13h and 56min.On the first day of the month, sunrise is at 6:02 am and sunset at 7:36 pm. On the last day of May, sunrise is at 5:43 am and sunset at 7:58 pm PDT.
Sunshine
The average sunshine in May is 11.2h.UV index
The average daily maximum UV index in May in Long Beach is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Long Beach, CA
- Average high temperature in May: 70°F
The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is December (63.5°F).
- Average low temperature in May: 57°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (52°F).
Average pressure in May
Long Beach, CA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed in May
Long Beach, CA
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest months (with the lowest average wind speed) are September and October (5mph).
Average humidity in May
Long Beach, CA
- Average humidity in May: 67%
The month with the highest relative humidity is June (71%).
The month with the lowest relative humidity is November (55%).
Average rainfall in May
Long Beach, CA
- Average rainfall in May: 0.16"
The wettest month (with the highest rainfall) is December (1.14").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in May
Long Beach, CA
- Average rainfall days in May: 3.4 days
The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (1.8 days).
Average sea temperature in May
Long Beach, CA
- Average sea temperature in May: 62.1°F
The best months for swimming (with the highest average sea temperature) are July and August (67.9°F).
The coldest month (with the lowest average sea temperature) is January (58.3°F).
Average daylight in May /
Average sunshine in May
Long Beach, CA
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 11h and 12min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in May
Long Beach, CA
- Average sunshine days in May: 23 days
The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is June (20.8 days).
Average UV index in May
Long Beach, CA
- Average UV index in May: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in May
Long Beach, CA
- Average cloud cover in May: 18
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in May
Long Beach, CA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
