May weather forecastLong Beach, WA
May
Weather in May
The last month of the spring, May, is a moderate month in Long Beach, Washington, with temperature in the range of an average high of 55.9°F (13.3°C) and an average low of 48.7°F (9.3°C).Temperature
The transition into May marks the average high-temperature at a refreshing 55.9°F (13.3°C), differing minimally from April's 51.8°F (11°C). Long Beach, during May nights, witnesses an average temperature marginally cooler than its daytime highs, at a frosty 48.7°F (9.3°C).Humidity
In May, the average relative humidity in Long Beach is 81%.Rainfall
In May, in Long Beach, the rain falls for 11.1 days. Throughout May, 0.79" (20mm) of precipitation is accumulated. In Long Beach, during the entire year, the rain falls for 165.1 days and collects up to 19.92" (506mm) of precipitation.Snowfall
March through August, October through December are months without snowfall.Ocean temperature
In May, the average ocean temperature is 53.8°F (12.1°C).Note: Beware when you're in 53.8°F (12.1°C) waters; 55.4°F (13°C) is chilling and anything below 50°F (10°C) could cause breathing hindrance and a sudden cold shock, given your physical condition.
Daylight
The average length of the day in May in Long Beach is 15h and 1min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:25 pm. On the last day of May, in Long Beach, sunrise is at 5:27 am and sunset at 9:00 pm PDT.
Sunshine
In May, the average sunshine is 8.2h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Long Beach, WA
- Average high temperature in May: 55.9°F
The warmest month (with the highest average high temperature) is August (63.9°F).
The month with the lowest average high temperature is December (46.8°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (41.5°F).
Average pressure in May
Long Beach, WA
- Average pressure in May: 30.06"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in May
Long Beach, WA
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in May
Long Beach, WA
- Average humidity in May: 81%
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is April (80%).
Average rainfall in May
Long Beach, WA
- Average rainfall in May: 0.79"
The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in May
Long Beach, WA
- Average rainfall days in May: 11.1 days
The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is August (6.7 days).
Average snowfall in May
Long Beach, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, October, November and December (0").
Average snowfall days in May
Long Beach, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average sea temperature in May
Long Beach, WA
- Average sea temperature in May: 53.8°F
The best month for swimming (with the highest average sea temperature) is July (58.6°F).
The coldest month (with the lowest average sea temperature) is February (47.8°F).
Average daylight in May /
Average sunshine in May
Long Beach, WA
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 8h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Long Beach, WA
- Average sunshine days in May: 16.7 days
The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is November (8.9 days).
Average UV index in May
Long Beach, WA
- Average UV index in May: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in May
Long Beach, WA
- Average cloud cover in May: 48
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 37).
Average visibility in May
Long Beach, WA
- 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).
