Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
Pismo Beach, California, notes an average high-temperature of an agreeable 70.5°F (21.4°C) in May, hardly diverging from April. In May, Pismo Beach experiences a temperature dip to an average of 51.4°F (10.8°C) at night.Humidity
The average relative humidity in May in Pismo Beach is 65%.Rainfall
In Pismo Beach, in May, during 3 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. In Pismo Beach, during the entire year, the rain falls for 47.6 days and collects up to 6.93" (176mm) of precipitation.Ocean temperature
The months with the coldest seawater are April and May, with an average ocean temperature of 54.3°F (12.4°C).Note: If planning to swim in 54.3°F (12.4°C) under 50°F (10°C), wear a protective suit. Neglecting this advice might cause immediate cold shock and troubled breathing. A splash around 55.4°F (13°C) is not much warmer.
Daylight
In May, the average length of the day is 14h and 2min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:48 pm. On the last day of May, sunrise is at 5:49 am and sunset at 8:11 pm PDT.
Sunshine
The average sunshine in May is 11.4h.UV index
In Pismo Beach, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How much does it rain in May?
What months are the ocean coldest in Pismo Beach?
How cold is the water in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Pismo Beach, CA
- Average high temperature in May: 70.5°F
The warmest month (with the highest average high temperature) is September (79.5°F).
The month with the lowest average high temperature is December (61.2°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (46°F).
Average pressure in May
Pismo Beach, CA
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in May
Pismo Beach, CA
- Average wind speed in May: 7.3mph
The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Pismo Beach, CA
- Average humidity in May: 65%
The month with the highest relative humidity is March (68%).
The month with the lowest relative humidity is October (58%).
Average rainfall in May
Pismo Beach, CA
- Average rainfall in May: 0.16"
The wettest month (with the highest rainfall) is March (1.61").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in May
Pismo Beach, CA
- Average rainfall days in May: 3 days
The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is August (0.8 days).
Average sea temperature in May
Pismo Beach, CA
- Average sea temperature in May: 54.4°F
The best months for swimming (with the highest average sea temperature) are August and October (58.6°F).
The coldest month (with the lowest average sea temperature) is April (54.3°F).
Average daylight in May /
Average sunshine in May
Pismo Beach, CA
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 11h and 2min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).
Average sunshine days in May
Pismo Beach, CA
- Average sunshine days in May: 27.2 days
The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is February (21 days).
Average UV index in May
Pismo Beach, CA
- Average UV index in May: 5
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in May
Pismo Beach, CA
- Average cloud cover in May: 16
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in May
Pismo 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).