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
Weather in May
Temperature
The onset of May brings an average high-temperature of a pleasant 70.5°F (21.4°C), nearly matching the April temperature. May brings Pismo Beach a consistent average low-temperature of 51.4°F (10.8°C).Humidity
The average relative humidity in May in Pismo Beach is 65%.Rainfall
In Pismo Beach, California, 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 in Pismo Beach are April and May, with an average ocean temperature of 54.3°F (12.4°C).Note: Swimming in 54.3°F (12.4°C) poses a severe threat. Even short exposure to 55.4°F (13°C) is chilling, and going below 50°F (10°C) can cause breathing irregularities and intense cold shock, based on one's stamina.
Daylight
In Pismo Beach, the average length of the day in May 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
In Pismo Beach, the average sunshine in May is 11.4h.UV index
The average daily maximum UV index in May in Pismo Beach is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 5 in May leads to these recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What is the average May temperature in Pismo Beach?
What is the average humidity in May in Pismo Beach?
How much does it rain in Pismo Beach in May?
What are the months with the coldest ocean in Pismo Beach?
What is the water temperature in May in Pismo Beach?
How many hours of daylight does Pismo Beach have in May?
When are sunrise and sunset in May in Pismo Beach?
How long on average sun shines in May in Pismo Beach?
How high is the UV index in May in Pismo Beach?
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).
Pismo Beach, California, USA
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