January weather forecast and climate
San Cristóbal de las Casas, Mexico

Dramatic skyline over a street in San Cristobal de las Casas in Mexico, with rows of cars and houses on the ancient cobblestoned streets
Dramatic skyline over a street in San Cristobal de las Casas in Mexico, with rows of cars and houses on the ancient cobblestoned streets
January is a pleasant winter month in San Cristóbal de las Casas, Mexico, with average temperature varying between 4.2°C (39.6°F) and 20.3°C (68.5°F).

Temperature

The average high-temperature, is 20.3°C (68.5°F), while the average low-temperature is 4.2°C (39.6°F).

Humidity

January, September through December, with an average relative humidity of 80%, are most humid months in San Cristóbal de las Casas, Mexico.

Rainfall

The month with the least rainfall in San Cristóbal de las Casas, Mexico, is January when the rain falls for 2.5 days and typically collects 9mm (0.4") of precipitation.

Daylight

In January, the average length of the day in San Cristóbal de las Casas is 11.3h.

Sunshine

In San Cristóbal de las Casas, the average sunshine in January is 6.9h.

UV index

Months with the lowest UV index are January and December, with an average maximum UV index of 9. A UV Index reading of 8 to 10 represents a very high health hazard from the exposure to the Sun's UV rays for the ordinary person.
The daily maximum UV index of 9 interpret into the following advice:
Take extra precautions. Protection against sun 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 January in San Cristóbal de las Casas?

In January, the average high-temperature is 20.3°C (68.5°F), and the average low-temperature is 4.2°C (39.6°F).

What are the most humid months in San Cristóbal de las Casas?

January, September through December, with an average relative humidity of 80%, are most humid months.

What is the average humidity in January in San Cristóbal de las Casas?

The average relative humidity in January is 80%.

How many days does it rain in January in San Cristóbal de las Casas?

In January, in San Cristóbal de las Casas, Mexico, the rain falls for 2.5 days. Throughout January, 9mm (0.4") of precipitation is accumulated.

What is the driest month in San Cristóbal de las Casas?

January is the month with the least rainfall in San Cristóbal de las Casas. Rain falls for 2.5 days and accumulates 9mm (0.4") of precipitation.

How many hours of daylight does San Cristóbal de las Casas have in January?

The average length of the day in January in San Cristóbal de las Casas is 11.3h.

How long on average sun shines in January in San Cristóbal de las Casas?

In January, the average sunshine in San Cristóbal de las Casas is 6.9h.

What are the months with the lowest UV index in San Cristóbal de las Casas?

January and December, with an average maximum UV index of 9, are months with the lowest UV index.

What is the UV index reading in January in San Cristóbal de las Casas?

In January, the average daily maximum UV index in San Cristóbal de las Casas is 9. A UV Index of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in January - San Cristóbal de las Casas, Mexico
  • Average high temperature in January: 20.3°C

The warmest month (with the highest average high temperature) is April (23.5°C).
The month with the lowest average high temperature is December (19.9°C).

  • Average low temperature in January: 4.2°C

The month with the highest average low temperature is June (11.5°C).
The coldest month (with the lowest average low temperature) is January (4.2°C).

Average humidity in January - San Cristóbal de las Casas, Mexico
  • Average humidity in January: 80%

Months with the highest relative humidity are January, September, October, November and December (80%).
The month with the lowest relative humidity is April (76%).

Average rainfall in January - San Cristóbal de las Casas, Mexico
  • Average rainfall in January: 9mm

The wettest month (with the highest rainfall) is June (226.3mm).
The driest month (with the lowest rainfall) is January (9mm).

Average rainfall days in January - San Cristóbal de las Casas, Mexico
  • Average rainfall days in January: 2.5 days

The month with the highest number of rainy days is September (19.7 days).
Months with the lowest number of rainy days are March and December (2.3 days).

Average daylight in January / Average sunshine in January - San Cristóbal de las Casas, Mexico
  • Average daylight in January: 11.3h

The month with the longest days is June (Average daylight: 13.1h).
The month with shortest days is December (Average daylight: 11.1h).

  • Average sunshine in January: 6.9h

The month with most sunshine is February (Average sunshine: 7.1h).
The month with least sunshine is September (Average sunshine: 3.9h).

Average UV index in January - San Cristóbal de las Casas, Mexico
  • Average UV index in January: 9

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 9).

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