December weather forecast and climate
San Luis Potosi, Mexico

Weather in December

December, the first month of the winter, in San Luis Potosi, is still a comfortable month, with average temperature varying between 7.8°C (46°F) and 19.4°C (66.9°F).

Temperature

In San Luis Potosi, the average high-temperature in December is essentially the same as in November - a still comfortable 19.4°C (66.9°F). In December, the average low-temperature is 7.8°C (46°F).

Humidity

The average relative humidity in December is 60%.

Rainfall

December is the month with the least rainfall. Rain falls for 5.8 days and accumulates 10mm (0.39") of precipitation.

Snowfall

January, November and December are months with snowfall in San Luis Potosi. Months with the most snowfall days in San Luis Potosi are January, November and December, with an average of 0.1 snowfall days.

Daylight

December has the shortest days of the year in San Luis Potosi, Mexico, with an average of 10.8h of daylight.

Sunshine

In December, the average sunshine is 9h.

UV index

January, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

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

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

What is the driest month in San Luis Potosi?

The month with the least rainfall in San Luis Potosi is December when the rain falls for 5.8 days and typically collects 10mm (0.39") of precipitation.

How much does it rain in San Luis Potosi in December?

In December, in San Luis Potosi, the rain falls for 5.8 days. Throughout December, 10mm (0.39") of precipitation is accumulated.

What is the snowiest month in San Luis Potosi?

Months with the most snowfall days in San Luis Potosi are January, November and December, with an average of 0.1 snowfall days.

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

In San Luis Potosi, during December, snow falls for 0.1 days.

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

December has the shortest days of the year in San Luis Potosi, Mexico, with an average of 10.8h of daylight.

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

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

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

In December, the average sunshine in San Luis Potosi, Mexico, is 9h.

What are the months with the lowest UV index in San Luis Potosi?

Months with the lowest UV index in San Luis Potosi are January, November and December, with an average maximum UV index of 4.

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

In December, the average daily maximum UV index in San Luis Potosi is 4. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in December
San Luis Potosi, Mexico

Average temperature in December - San Luis Potosi, Mexico
  • Average high temperature in December: 19.4°C

The warmest month (with the highest average high temperature) is May (26.7°C).
The month with the lowest average high temperature is January (18.7°C).

  • Average low temperature in December: 7.8°C

The month with the highest average low temperature is May (14.9°C).
The coldest month (with the lowest average low temperature) is January (7°C).

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Average pressure in December
San Luis Potosi, Mexico

Average pressure in December - San Luis Potosi, Mexico
  • Average pressure in December: 1018.1mbar

The month with the highest atmospheric pressure is January (1018.9mbar).
The month with the lowest atmospheric pressure is May (1013.6mbar).

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Average wind speed in December
San Luis Potosi, Mexico

Average wind speed in December - San Luis Potosi, Mexico
  • Average wind speed in December: 9.7km/h

The windiest month (with the highest average wind speed) is April (12.5km/h).
The calmest month (with the lowest average wind speed) is November (9km/h).

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Average humidity in December
San Luis Potosi, Mexico

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

The month with the highest relative humidity is September (74%).
The month with the lowest relative humidity is April (44%).

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Average rainfall in December
San Luis Potosi, Mexico

Average rainfall in December - San Luis Potosi, Mexico
  • Average rainfall in December: 10mm

The wettest month (with the highest rainfall) is May (81mm).
The driest month (with the least rainfall) is December (10mm).

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Average rainfall days in December
San Luis Potosi, Mexico

Average rainfall days in December - San Luis Potosi, Mexico
  • Average rainfall days in December: 5.8 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is December (5.8 days).

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Average snowfall days in December
San Luis Potosi, Mexico

Average snowfall days in December - San Luis Potosi, Mexico
  • Average snowfall days in December: 0.1 days

Months with the highest number of snowfall days are January, November and December (0.1 days).
Months with the least snowfall days are February, March, April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
San Luis Potosi, Mexico

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 the shortest days is December (Average daylight: 10.8h).

  • Average sunshine in December: 9h

Months with the most sunshine are March, May, June and August (Average sunshine: 9.6h).
The month with the least sunshine is November (Average sunshine: 8.3h).

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Average sunshine days in December
San Luis Potosi, Mexico

Average sunshine days in December - San Luis Potosi, Mexico
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is September (8.6 days).

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Average UV index in December
San Luis Potosi, Mexico

Average UV index in December - San Luis Potosi, Mexico
  • Average UV index in December: 4

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 5).
Months with the lowest UV index are January, November and December (UV index 4).

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Average cloud cover in December
San Luis Potosi, Mexico

Average cloud cover in December - San Luis Potosi, Mexico
  • Average cloud cover in December: 20

The month with the most cloud cover is September (Cloud cover 42).
The month with the least cloud cover is February (Cloud cover 18).

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Average visibility in December
San Luis Potosi, Mexico

Average visibility in December - San Luis Potosi, Mexico
  • Average visibility in December: 10km

Months with the highest visibility are January, February, March, April, May, June and December (10km).
Months with the lowest visibility are July, August, September, October and November (9km).

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