May weather forecast
Dana Point, CA

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Weather in May

The last month of the spring, May, is also an enjoyable month in Dana Point, California, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 66.7°F (19.3°C).

Temperature

Dana Point's average high-temperature in May is a still comfortable 66.7°F (19.3°C), indicating a subtle variation from April. Dana Point's nighttime temperature in May falls to an average of 55.4°F (13°C).

Humidity

In May, the average relative humidity in Dana Point is 75%.

Rainfall

In Dana Point, California, in May, during 5.9 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. Throughout the year, there are 71.1 rainfall days, and 9.69" (246mm) of precipitation is accumulated.

Ocean temperature

In Dana Point, the average seawater temperature in May is 63.1°F (17.3°C).
Note: In 63.1°F (17.3°C), swimming is not an enjoyable activity for most. As the temperature decreases from 69.8°F (21°C) to 59°F (15°C), it becomes harder to control breathing.

Daylight

The average length of the day in May in Dana Point, California, is 13h and 55min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:34 pm. On the last day of May, in Dana Point, California, sunrise is at 5:41 am and sunset at 7:55 pm PDT.

Sunshine

In May, the average sunshine is 10.6h.

UV index

In Dana Point, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: In May, the maximum UV index of 5 transforms into these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

What are May temperatures in Dana Point?

In Dana Point, 66.7°F (19.3°C) is the average high-temperature and 55.4°F (13°C) is the average low-temperature during May.

What is the average humidity in May in Dana Point?

In Dana Point, the average relative humidity in May is 75%.

How much does it rain in Dana Point in May?

In May, in Dana Point, the rain falls for 5.9 days. Throughout May, 0.35" (9mm) of precipitation is accumulated.

How cold is the water in May in Dana Point?

In May, the average ocean temperature in Dana Point, California, is 63.1°F (17.3°C). For swimming, a surface water temperature of 63.1°F (17.3°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the average length of the day in May in Dana Point?

In Dana Point, California, the average day length in May is 13h and 55min.

When is the sunrise / sunset in May in Dana Point?

In May, on the first day of the month, sunrise is at 6:01 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 7:55 pm PDT.

How long on average sun shines in May in Dana Point?

In May, the average sunshine duration is 10.6h.

How high is the UV index in May in Dana Point?

In May, the average daily maximum UV index in Dana Point, California, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Dana Point, CA

Average temperature in May - Dana Point, CA
  • Average high temperature in May: 66.7°F

The warmest month (with the highest average high temperature) is September (75.7°F).
The month with the lowest average high temperature is December (61.9°F).

  • Average low temperature in May: 55.4°F

The month with the highest average low temperature is September (63.5°F).
The coldest month (with the lowest average low temperature) is February (51.1°F).

Average pressure in May
Dana Point, CA

Average pressure in May - Dana Point, CA
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).

Average wind speed in May
Dana Point, CA

Average wind speed in May - Dana Point, CA
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is October (5.1mph).

Average humidity in May
Dana Point, CA

Average humidity in May - Dana Point, CA
  • Average humidity in May: 75%

The month with the highest relative humidity is June (76%).
The month with the lowest relative humidity is November (61%).

Average rainfall in May
Dana Point, CA

Average rainfall in May - Dana Point, CA
  • Average rainfall in May: 0.35"

The wettest month (with the highest rainfall) is December (1.93").
The driest month (with the least rainfall) is June (0.12").

Average rainfall days in May
Dana Point, CA

Average rainfall days in May - Dana Point, CA
  • Average rainfall days in May: 5.9 days

The month with the highest number of rainy days is March (8.1 days).
The month with the least rainy days is June (3.6 days).

Average sea temperature in May
Dana Point, CA

Average sea temperature in May - Dana Point, CA
  • Average sea temperature in May: 63°F

The best month for swimming (with the highest average sea temperature) is August (68.3°F).
The coldest months (with the lowest average sea temperature) are January and February (58.9°F).

Average daylight in May /
Average sunshine in May
Dana Point, CA

Average daylight in May / Average sunshine in May - Dana Point, CA
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in May: 10h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in May
Dana Point, CA

Average sunshine days in May - Dana Point, CA
  • Average sunshine days in May: 20.4 days

The month with the most sunshine days is January (24.1 days).
The month with the least sunshine days is February (20.3 days).

Average UV index in May
Dana Point, CA

Average UV index in May - Dana Point, CA
  • Average UV index in May: 5

The months with the highest UV index are July, August and September (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
Dana Point, CA

Average cloud cover in May - Dana Point, CA
  • Average cloud cover in May: 27

The months with the most cloud cover are March and May (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 12).

Average visibility in May
Dana Point, CA

Average visibility in May - Dana Point, 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).

Dana Point, California, USA

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