May weather forecast
Cabo San Lucas, Mexico

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Stunning rocks on the water in Land
Stunning rocks on the water in Land's End, in Cabo San Lucas, Mexico

Weather in May

In May, Cabo San Lucas witnesses the onset of typical summer weather. A leap in daytime and nighttime temperatures is observed, making this an intriguing month for sunbathers. Despite the temperature shift, the sea temperature rises to 23.5°C (74.3°F), enabling continued water activities. Low rainfall frequency further highlights this month's suitability for outdoor fun. The month's clear visibility, extended daylight period, and higher temperatures signify the full arrival of summer.

Temperature

May's presence in Cabo San Lucas records an average high-temperature of a still warm 25.5°C (77.9°F), closely mirroring April's climate. Cabo San Lucas's nighttime temperature in May shows a minor descent, with a steady average of 22°C (71.6°F).

Humidity

In May, the average relative humidity in Cabo San Lucas is 63%.

Rainfall

Months with rainfall are January, February, May through December. May is the first month it rains in Cabo San Lucas. Throughout May, in the average 1 rainfall days, it receives 1mm (0.04") of precipitation. In Cabo San Lucas, during the entire year, the rain falls for 50.9 days and collects up to 238mm (9.37") of precipitation.

Sea temperature

In Cabo San Lucas, Mexico, the average seawater temperature in May is 23.5°C (74.3°F).
Note: A swim in 23.5°C (74.3°F) waters can be refreshing, especially when factoring in a person's cold tolerance, sunshine, wind, and the overall temperature. As a point of reference, Olympic swimming events are held in 25°C (77°F) to 28°C (82.4°F) waters.

Daylight

In May, the average length of the day in Cabo San Lucas is 13h and 15min.
On the first day of the month, sunrise is at 5:46 am and sunset at 6:47 pm. On the last day of May, sunrise is at 5:34 am and sunset at 7:00 pm MST.

Sunshine

May and June, with an average of 11.9h of sunshine, are months with the most sunshine in Cabo San Lucas, Mexico.

UV index

In Cabo San Lucas, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 6 in May leads to these guidelines:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days. Caution! Sand and water surfaces escalate the UV intensity from the Sun.
Updated: Feb 8, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the temperature in May in Cabo San Lucas?

The high-temperature, in May, in Cabo San Lucas, records 25.5°C (77.9°F), while the low-temperature is 22°C (71.6°F).

What is the average humidity in May in Cabo San Lucas?

In Cabo San Lucas, the average relative humidity in May is 63%.

When does it start to rain in Cabo San Lucas?

May is the first month it rains. Throughout May, in the average 1 rainfall days, it receives 1mm (0.04") of precipitation.

What is the sea temperature in May in Cabo San Lucas?

In May, the average sea temperature in Cabo San Lucas, Mexico, is 23.5°C (74.3°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.5°C (74.3°F) water.

How many hours of daylight does Cabo San Lucas have in May?

In Cabo San Lucas, the average day length in May is 13h and 15min.

When is the sunrise / sunset in May in Cabo San Lucas?

In May, on the first day of the month, sunrise is at 5:46 am and sunset at 6:47 pm. On the last day of the month, in Cabo San Lucas, Mexico, sunrise is at 5:34 am and sunset at 7:00 pm MST.

What are the months with the most sunshine in Cabo San Lucas?

The months with the most sunshine in Cabo San Lucas are May and June, with an average of 11.9h of sunshine.

How many hours of sunshine does Cabo San Lucas have in May?

In May, the average sunshine duration in Cabo San Lucas is 11.9h.

What is the UV index reading in May in Cabo San Lucas?

In May, the average daily maximum UV index in Cabo San Lucas, Mexico, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in May
Cabo San Lucas, Mexico

Average temperature in May - Cabo San Lucas, Mexico
  • Average high temperature in May: 25.5°C

The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is February (23.2°C).

  • Average low temperature in May: 22°C

The month with the highest average low temperature is August (26.3°C).
The coldest month (with the lowest average low temperature) is January (18.6°C).

Average pressure in May
Cabo San Lucas, Mexico

Average pressure in May - Cabo San Lucas, Mexico
  • Average pressure in May: 1011.6mbar

The month with the highest atmospheric pressure is January (1015.7mbar).
The month with the lowest atmospheric pressure is September (1009.7mbar).

Average wind speed in May
Cabo San Lucas, Mexico

Average wind speed in May - Cabo San Lucas, Mexico
  • Average wind speed in May: 16.1km/h

The windiest month (with the highest average wind speed) is May (16.1km/h).
The calmest months (with the lowest average wind speed) are November and December (9.8km/h).

Average humidity in May
Cabo San Lucas, Mexico

Average humidity in May - Cabo San Lucas, Mexico
  • Average humidity in May: 63%

The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is March (62%).

Average rainfall in May
Cabo San Lucas, Mexico

Average rainfall in May - Cabo San Lucas, Mexico
  • Average rainfall in May: 1mm

The wettest month (with the highest rainfall) is September (81mm).
The driest months (with the least rainfall) are March and April (0mm).

Average rainfall days in May
Cabo San Lucas, Mexico

Average rainfall days in May - Cabo San Lucas, Mexico
  • Average rainfall days in May: 1 days

The month with the highest number of rainy days is August (12.3 days).
The months with the least rainy days are April and May (1 days).

Average sea temperature in May
Cabo San Lucas, Mexico

Average sea temperature in May - Cabo San Lucas, Mexico
  • Average sea temperature in May: 23.5°C

The best month for swimming (with the highest average sea temperature) is September (29.5°C).
The coldest month (with the lowest average sea temperature) is March (21.4°C).

Average daylight in May /
Average sunshine in May
Cabo San Lucas, Mexico

Average daylight in May / Average sunshine in May - Cabo San Lucas, Mexico
  • Average daylight in May: 13h and 1min

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in May: 11h and 5min

The months with the most sunshine are May and June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 18min).

Average sunshine days in May
Cabo San Lucas, Mexico

Average sunshine days in May - Cabo San Lucas, Mexico
  • Average sunshine days in May: 29.4 days

The month with the most sunshine days is March (30.1 days).
The month with the least sunshine days is August (16.2 days).

Average UV index in May
Cabo San Lucas, Mexico

Average UV index in May - Cabo San Lucas, Mexico
  • Average UV index in May: 6

The months with the highest UV index are June, July, August, September and October (UV index 7).
The month with the lowest UV index is December (UV index 5).

Average cloud cover in May
Cabo San Lucas, Mexico

Average cloud cover in May - Cabo San Lucas, Mexico
  • Average cloud cover in May: 8

The month with the most cloud cover is September (Cloud cover 23).
The months with the least cloud cover are May and June (Cloud cover 8).

Average visibility in May
Cabo San Lucas, Mexico

Average visibility in May - Cabo San Lucas, Mexico
  • Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

Cabo San Lucas, Mexico

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