San Luis Potosi
Mexico
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
San Luis Potosi, Mexico

December, the first month of the winter, in San Luis Potosi, is still a pleasant month, with average temperature varying between 20.7°C (69.3°F) and 6.4°C (43.5°F).

Temperature

In San Luis Potosi, Mexico, the average high-temperature is almost the same as in November - a still pleasant 20.7°C (69.3°F). In San Luis Potosi, the average low-temperature is 6.4°C (43.5°F).

Humidity

In San Luis Potosi, the average relative humidity in December is 60%.

Rainfall

In December, in San Luis Potosi, the rain falls for 1.9 days. Throughout December, 9.8mm (0.4") of precipitation is accumulated. Throughout the year, there are 53.2 rainfall days, and 392.1mm (15.4") of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 10.8h of daylight.

Sunshine

The average sunshine in San Luis Potosi is 6.8h.

UV index

Months with the lowest UV index are January and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from the exposure to the Sun's UV radiation for the ordinary person.
In December, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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.

What is the temperature in December in San Luis Potosi?

In San Luis Potosi, in December, the average high-temperature is 20.7°C (69.3°F), and the average low-temperature is 6.4°C (43.5°F).

What is the average humidity in December in San Luis Potosi?

The average relative humidity in December in San Luis Potosi, Mexico, is 60%.

How many days does it rain in December in San Luis Potosi?

In San Luis Potosi, in December, it is raining for 1.9 days, with typically 9.8mm (0.4") of accumulated precipitation.

What is the month with the shortest days in San Luis Potosi?

The month with the shortest days is December, with an average of 10.8h of daylight.

How many hours of daylight does San Luis Potosi have in December?

In San Luis Potosi, the average length of the day in December is 10.8h.

How long on average sun shines in December in San Luis Potosi?

In San Luis Potosi, Mexico, the average sunshine in December is 6.8h.

When is the lowest UV index in San Luis Potosi?

Months with the lowest UV index in San Luis Potosi, Mexico, are January and December, with an average maximum UV index of 7.

How high is the UV index in December in San Luis Potosi?

The average daily maximum UV index in December is 7. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to the UV radiation.
Average temperature in December - San Luis Potosi, Mexico
  • Average high temperature in December: 20.7°C

The warmest month (with the highest average high temperature) is May (28.4°C).
The month with the lowest average high temperature is January (20.6°C).

  • Average low temperature in December: 6.4°C

The month with the highest average low temperature is June (14.1°C).
The coldest month (with the lowest average low temperature) is January (5.5°C).

Average humidity in December - San Luis Potosi, Mexico
  • Average humidity in December: 60%

Months with the highest relative humidity are July and September (68%).
The month with the lowest relative humidity is March (47%).

Average rainfall in December - San Luis Potosi, Mexico
  • Average rainfall in December: 9.8mm

The wettest month (with the highest rainfall) is July (66.6mm).
The driest month (with the lowest rainfall) is March (6.4mm).

Average rainfall days in December - San Luis Potosi, Mexico
  • Average rainfall days in December: 1.9 days

The month with the highest number of rainy days is September (8.4 days).
The month with the lowest number of rainy days is March (1.5 days).

Average daylight in December / Average sunshine in December - San Luis Potosi, Mexico
  • Average daylight in December: 10.8h

The month with the longest days is June (Average daylight: 13.5h).
The month with shortest days is December (Average daylight: 10.8h).

  • Average sunshine in December: 6.8h

The month with most sunshine is July (Average sunshine: 9.5h).
The month with least sunshine is September (Average sunshine: 6.7h).

Average UV index in December - San Luis Potosi, Mexico
  • Average UV index in December: 7

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
Months with the lowest UV index are January and December (UV index 7).