Big Sur
California, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Big Sur, CA

The last month of the spring, May, is another pleasant month in Big Sur, California, with average temperature fluctuating between 72.7°F (22.6°C) and 45.9°F (7.7°C).

Temperature

In May, the average high-temperature is practically the same as in April - a still agreeable 72.7°F (22.6°C). The average low-temperature, in Big Sur, is 45.9°F (7.7°C).

Rainfall

In Big Sur, California, during 3.7 rainfall days, 1.1" (27.7mm) of precipitation is typically accumulated. In Big Sur, California, during the entire year, the rain falls for 66.4 days and collects up to 43.7" (1109.5mm) of precipitation.

Ocean temperature

March through May, with an average ocean temperature of 53.6°F (12°C), are months with the coldest seawater.
Note: Swimming in 53.6°F (12°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In Big Sur, the average length of the day is 14.1h.

Sunshine

Months with the most sunshine are May and June, with an average of 11h of sunshine.

UV index

In May, the average daily maximum UV index is 9. A UV Index of 8 to 10 symbolizes a very high health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In May, the average maximum UV index of 9 translate into the following recommendations:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in May in Big Sur?

In May, in Big Sur, California, the average high-temperature is 72.7°F (22.6°C), and the average low-temperature is 45.9°F (7.7°C).

How many days does it rain in May in Big Sur?

In Big Sur, in May, it is raining for 3.7 days, with typically 1.1" (27.7mm) of accumulated precipitation.

What are the months with the coldest ocean in Big Sur?

March through May, with an average ocean temperature of 53.6°F (12°C), are months with the coldest seawater.

How cold is the water in May in Big Sur?

In Big Sur, in May, the average water temperature is 53.6°F (12°C). Swimming in 53.6°F (12°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Big Sur have in May?

The average length of the day in May in Big Sur, California, is 14.1h.

What is the month with the most sunshine in Big Sur?

Months with the most sunshine in Big Sur, California, are May and June, with an average of 11h of sunshine.

How many hours of sunshine does Big Sur have in May?

In May, the average sunshine in Big Sur is 11h.

What is the UV index reading in May in Big Sur?

The average daily maximum UV index in May in Big Sur is 9. A UV Index of 8 to 10 symbolizes a very high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in May - Big Sur, CA
  • Average high temperature in May: 72.6°F

The warmest month (with the highest average high temperature) is August (77.3°F).
The month with the lowest average high temperature is January (59.7°F).

  • Average low temperature in May: 45.8°F

The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

Average rainfall in May - Big Sur, CA
  • Average rainfall in May: 1.1"

The wettest month (with the highest rainfall) is January (9.1").
The driest month (with the lowest rainfall) is July (0").

Average rainfall days in May - Big Sur, CA
  • Average rainfall days in May: 3.7 days

The month with the highest number of rainy days is February (11.2 days).
The month with the lowest number of rainy days is July (0.3 days).

Average sea temperature in May - Big Sur, CA
  • Average sea temperature in May: 54°F

Best months for swimming (with the highest average sea temperature) are August, September and October (59°F).
Coldest months (with the lowest average sea temperature) are March, April and May (54°F).

Average daylight in May / Average sunshine in May - Big Sur, CA
  • Average daylight in May: 14.1h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in May: 11h

Months with most sunshine are May and June (Average sunshine: 11h).
The month with least sunshine is December (Average sunshine: 5h).

Average UV index in May - Big Sur, CA
  • Average UV index in May: 9

Months with the highest UV index are June and July (UV index 10).
The month with the lowest UV index is December (UV index 2).