December weather forecast
San Luis Potosi, Mexico

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Weather in December

Marking the end of the year, December in San Luis Potosi represents a significant turn in weather towards cooler temperatures and a dry climate. Compared to November, less rainfall is recorded in this month, making it one of the driest months of the year. With an average high temperature of 19.4°C (66.9°F), December offers a comfortable climate without the harshness of winter. The city experiences pleasantly warm daytime temperatures and cooler nights, fitting for year-end festivities. The weather rounds out the year on a mild note, closing the loop back to the similarly pleasant weather experienced in January of a new year.

Temperature

As December takes its course, San Luis Potosi's average high-temperature registers at a still refreshing 19.4°C (66.9°F), closely aligning with the preceding month. During the month of December, San Luis Potosi anticipates a mean low-temperature of 7.8°C (46°F).

Humidity

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

Rainfall

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.

Snowfall

January, November and December are months with snowfall. The 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, with an average of 10h and 48min of daylight.
On the first day of December in San Luis Potosi, sunrise is at 7:07 am and sunset at 5:59 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 6:11 pm CST.

Sunshine

The average sunshine in December 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 estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 4 during December translates into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the temperature in December in San Luis Potosi?

In December, the average high-temperature and low-temperature are 19.4°C (66.9°F) and 7.8°C (46°F) respectively.

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

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

What is the driest month in San Luis Potosi?

December is the month with the least rainfall in San Luis Potosi, Mexico. Rain falls for 5.8 days and accumulates 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?

The months with the most snowfall days in San Luis Potosi, Mexico, 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, Mexico, during December, snow falls for 0.1 days.

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

The month with the shortest days in San Luis Potosi is December, with an average of 10h and 48min of daylight.

What is the average length of the day in December in San Luis Potosi?

In December, the average day length in San Luis Potosi, Mexico, is 10h and 49min.

When are sunrise and sunset in December in San Luis Potosi?

On the first day of December in San Luis Potosi, sunrise is at 7:07 am and sunset at 5:59 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 6:11 pm CST.

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

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

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

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

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

In December, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

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

The months with the highest number of snowfall days are January, November and December (0.1 days).
The 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: 10h and 5min

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 December: 9h and 0min

The months with the most sunshine are March, May, June and August (Average sunshine: 9h and 36min).
The month with the least sunshine is November (Average sunshine: 8h and 18min).

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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

The months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 5).
The 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

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

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San Luis Potosi, Mexico

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