December weather forecast and climate
Cabo San Lucas, Mexico

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

Weather in December

The first month of the winter, December, is still a warm month in Cabo San Lucas, Mexico, with temperature in the range of an average high of 23.8°C (74.8°F) and an average low of 19.5°C (67.1°F).

Temperature

In Cabo San Lucas, the average high-temperature marginally drops, from 26.8°C (80.2°F) in November, to a still moderately hot 23.8°C (74.8°F). In December, the average low-temperature is 19.5°C (67.1°F).

Humidity

The average relative humidity in December is 67%.

Rainfall

In Cabo San Lucas, it is raining for 2 days, with typically 4mm (0.16") of accumulated precipitation. Throughout the year, in Cabo San Lucas, there are 50.9 rainfall days, and 238mm (9.37") of precipitation is accumulated.

Sea temperature

In Cabo San Lucas, the average seawater temperature is 24.1°C (75.4°F).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24.1°C (75.4°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)

Daylight

The month with the shortest days in Cabo San Lucas is December, with an average of 10.7h of daylight.

Sunshine

December has the least sunshine of the year in Cabo San Lucas, with an average of 7.3h of sunshine.

UV index

With an average maximum UV index of 5, December is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

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

The average relative humidity in December in Cabo San Lucas is 67%.

How many days does it rain in December in Cabo San Lucas?

In Cabo San Lucas, Mexico, during December, the rain falls for 2 days and regularly aggregates up to 4mm (0.16") of precipitation.

What is the water temperature in December in Cabo San Lucas?

In Cabo San Lucas, in December, the average water temperature is 24.1°C (75.4°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24.1°C (75.4°F) water may be enjoyable.

What is the month with the shortest days in Cabo San Lucas?

December has the shortest days of the year, with an average of 10.7h of daylight.

What is the average length of the day in December in Cabo San Lucas?

In December, the average length of the day in Cabo San Lucas, Mexico, is 10.7h.

What is the month with the least sunshine in Cabo San Lucas?

With an average of 7.3h of sunshine, December has the least sunshine of the year in Cabo San Lucas.

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

The average sunshine in December in Cabo San Lucas is 7.3h.

When is the lowest UV index in Cabo San Lucas?

The month with the lowest UV index in Cabo San Lucas is December, with an average maximum UV index of 5.

How high is the UV index in December in Cabo San Lucas?

In December, the average daily maximum UV index in Cabo San Lucas is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in December
Cabo San Lucas, Mexico

Average temperature in December - Cabo San Lucas, Mexico
  • Average high temperature in December: 23.8°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 December: 19.5°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).

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Average pressure in December
Cabo San Lucas, Mexico

Average pressure in December - Cabo San Lucas, Mexico
  • Average pressure in December: 1014.9mbar

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

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Average wind speed in December
Cabo San Lucas, Mexico

Average wind speed in December - Cabo San Lucas, Mexico
  • Average wind speed in December: 9.8km/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).

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Average humidity in December
Cabo San Lucas, Mexico

Average humidity in December - Cabo San Lucas, Mexico
  • Average humidity in December: 67%

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

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Average rainfall in December
Cabo San Lucas, Mexico

Average rainfall in December - Cabo San Lucas, Mexico
  • Average rainfall in December: 4mm

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

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Average rainfall days in December
Cabo San Lucas, Mexico

Average rainfall days in December - Cabo San Lucas, Mexico
  • Average rainfall days in December: 2 days

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

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Average sea temperature in December
Cabo San Lucas, Mexico

Average sea temperature in December - Cabo San Lucas, Mexico
  • Average sea temperature in December: 24.1°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).

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

Average daylight in December / Average sunshine in December - Cabo San Lucas, Mexico
  • Average daylight in December: 10.7h

The month with the longest days is June (Average daylight: 13.5h).
The month with the shortest days is December (Average daylight: 10.7h).

  • Average sunshine in December: 7.3h

Months with the most sunshine are May and June (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 7.3h).

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Average sunshine days in December
Cabo San Lucas, Mexico

Average sunshine days in December - Cabo San Lucas, Mexico
  • Average sunshine days in December: 27.8 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).

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Average UV index in December
Cabo San Lucas, Mexico

Average UV index in December - Cabo San Lucas, Mexico
  • Average UV index in December: 5

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).

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Average cloud cover in December
Cabo San Lucas, Mexico

Average cloud cover in December - Cabo San Lucas, Mexico
  • Average cloud cover in December: 14

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

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Average visibility in December
Cabo San Lucas, Mexico

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

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

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