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 snowfall in May
- Average snowfall 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
As April transitions into May, a subtle temperature shift is observed, with average highs adjusting from a refreshing 64°F (17.8°C) to a pleasant 69.4°F (20.8°C). Against the high May temperatures, Sea Ranch records an average drop to a frosty 46.9°F (8.3°C) at night.Humidity
In Sea Ranch, the average relative humidity in May is 69%.Rainfall
In Sea Ranch, in May, during 5.9 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 83.1 rainfall days, and 21.38" (543mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Ocean temperature
In Sea Ranch, the average seawater temperature in May is 52.5°F (11.4°C).Note: Unprotected swimming in 52.5°F (11.4°C) is dangerous due to potential cold shock. Especially when temperatures go below 50°F (10°C), leading to hyperventilation.
Daylight
The average length of the day in May is 14h and 18min.On the first day of May, sunrise is at 6:15 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:32 pm PDT.
Sunshine
In Sea Ranch, the average sunshine in May is 10.6h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 4 in May translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
What is the ocean temperature in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Sea Ranch have in May?
What is the UV index intensity in May?
Average temperature in May
Sea Ranch, CA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (54.7°F).
- Average low temperature in May: 46.9°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (39.9°F).
Average pressure in May
Sea Ranch, CA
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in May
Sea Ranch, CA
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is May (6.8mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).
Average humidity in May
Sea Ranch, CA
- Average humidity in May: 69%
The month with the highest relative humidity is March (78%).
The months with the lowest relative humidity are July and September (60%).
Average rainfall in May
Sea Ranch, CA
- Average rainfall in May: 1.14"
The wettest month (with the highest rainfall) is February (4.49").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in May
Sea Ranch, CA
- Average rainfall days in May: 5.9 days
The month with the highest number of rainy days is March (15 days).
The month with the least rainy days is August (0.9 days).
Average snowfall in May
Sea Ranch, CA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Sea Ranch, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in May
Sea Ranch, CA
- Average sea temperature in May: 52.5°F
The best month for swimming (with the highest average sea temperature) is October (56°F).
The coldest month (with the lowest average sea temperature) is June (51.9°F).
Average daylight in May /
Average sunshine in May
Sea Ranch, CA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 10h and 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in May
Sea Ranch, CA
- Average sunshine days in May: 23.3 days
The months with the most sunshine days are July and August (29.6 days).
The month with the least sunshine days is March (14.6 days).
Average UV index in May
Sea Ranch, CA
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in May
Sea Ranch, CA
- Average cloud cover in May: 26
The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in May
Sea Ranch, 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).
Sea Ranch, California, USA
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