May weather forecast
Big Sur, CA

Weather in May

The last month of the spring, May, is a comfortable month in Big Sur, California, with an average temperature fluctuating between 61.9°F (16.6°C) and 50°F (10°C).

Temperature

In Big Sur, the average high-temperature in May is almost the same as in April - a comfortable 61.9°F (16.6°C). In Big Sur, in May, the average low-temperature is 50°F (10°C).

Humidity

The average relative humidity in May is 78%.

Rainfall

In Big Sur, California, it is raining for 4.2 days, with typically 0.47" (12mm) of accumulated precipitation. Throughout the year, in Big Sur, there are 70 rainfall days, and 11.93" (303mm) of precipitation is accumulated.

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 dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In Big Sur, the average length of the day in May is 14h and 7min.
On the first day of May, sunrise is at 6:13 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:18 pm PDT.

Sunshine

In May, the average sunshine in Big Sur is 10.6h.

UV index

In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Big Sur?

In May, in Big Sur, the average high-temperature is 61.9°F (16.6°C), and the average low-temperature is 50°F (10°C).

What is the average humidity in May in Big Sur?

In Big Sur, the average relative humidity in May is 78%.

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

In Big Sur, California, during May, the rain falls for 4.2 days and regularly aggregates up to 0.47" (12mm) of 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, California, the average seawater temperature in May is 53.6°F (12°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in May in Big Sur?

The average day length in May in Big Sur is 14h and 7min.

When is the sunrise / sunset in May in Big Sur?

On the first day of May in Big Sur, sunrise is at 6:13 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:18 pm PDT.

How long on average sun shines in May in Big Sur?

The average sunshine duration in May in Big Sur, California, is 10.6h.

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

The average daily maximum UV index in May in Big Sur, California, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Big Sur, CA

Average temperature in May - Big Sur, CA
  • Average high temperature in May: 61.9°F

The warmest month (with the highest average high temperature) is September (69.6°F).
The month with the lowest average high temperature is December (57°F).

  • Average low temperature in May: 50°F

The month with the highest average low temperature is September (55.4°F).
The coldest month (with the lowest average low temperature) is December (46.9°F).

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Average pressure in May
Big Sur, CA

Average pressure in May - Big Sur, CA
  • Average pressure in May: 29.99"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 (29.93"Hg).

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Average wind speed in May
Big Sur, CA

Average wind speed in May - Big Sur, CA
  • Average wind speed in May: 8.4mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in May
Big Sur, CA

Average humidity in May - Big Sur, CA
  • Average humidity in May: 78%

The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is November (70%).

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Average rainfall in May
Big Sur, CA

Average rainfall in May - Big Sur, CA
  • Average rainfall in May: 0.47"

The wettest month (with the highest rainfall) is December (2.48").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days in May
Big Sur, CA

Average rainfall days in May - Big Sur, CA
  • Average rainfall days in May: 4.2 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (1.3 days).

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Average sea temperature in May
Big Sur, CA

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

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

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Average daylight in May /
Average sunshine in May
Big Sur, CA

Average daylight in May / Average sunshine in May - Big Sur, CA
  • Average daylight in May: 14h and 7min

The month with the longest days is June (Average daylight: 14h and 35min).
The month with the shortest days is December (Average daylight: 9h and 44min).

  • Average sunshine in May: 10h and 36min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

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Average sunshine days in May
Big Sur, CA

Average sunshine days in May - Big Sur, CA
  • Average sunshine days in May: 24.3 days

The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (17.3 days).

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Average UV index in May
Big Sur, CA

Average UV index in May - Big Sur, CA
  • Average UV index in May: 4

The months with the highest UV index are June, July, August and September (UV index 5).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in May
Big Sur, CA

Average cloud cover in May - Big Sur, CA
  • Average cloud cover in May: 27

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 13).

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Average visibility in May
Big Sur, CA

Average visibility in May - Big Sur, 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).

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