December weather forecast
San Martín Atexcal, Mexico

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Weather in December

December, the first month of the winter in San Martín Atexcal, is still a warm month, with an average temperature ranging between min 12.5°C (54.5°F) and max 25.3°C (77.5°F).

Temperature

The arrival of December sees a recorded average high-temperature of a still moderately hot 25.3°C (77.5°F), showing little divergence from the previous month's conditions. San Martín Atexcal's average nighttime temperature descends significantly from the day's peak in December, settling at a cool 12.5°C (54.5°F).

Humidity

In San Martín Atexcal, Mexico, the average relative humidity in December is 56%.

Rainfall

December is the only month when rain does not fall.

Daylight

The month with the shortest days is December, with an average of 11h and 0min of daylight.
On the first day of the month, sunrise is at 6:47 am and sunset at 5:53 pm. On the last day of December, sunrise is at 7:02 am and sunset at 6:05 pm CST.

Sunshine

In San Martín Atexcal, Mexico, the average sunshine in December is 8.6h.

UV index

January, August, October through December, with an average maximum UV index of 5, are months with the lowest UV index in San Martín Atexcal. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In December, an average UV index of 5 transforms into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. 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.
Updated: Feb 9, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the average December temperature in San Martín Atexcal?

In December, in San Martín Atexcal, the average high-temperature is 25.3°C (77.5°F), and the average low-temperature is 12.5°C (54.5°F). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 29°C (84.2°F).

What is the average humidity in December in San Martín Atexcal?

In San Martín Atexcal, the average relative humidity in December is 56%.

What is the driest month in San Martín Atexcal?

December is the only month when rain does not fall in San Martín Atexcal.

Does it rain in San Martín Atexcal in December?

In December, in San Martín Atexcal, it doesn't rain. November is the latest month when it rains.

What is the month with the shortest days in San Martín Atexcal?

The month with the shortest days in San Martín Atexcal, Mexico, is December, with an average of 11h and 0min of daylight.

How many hours of daylight does San Martín Atexcal have in December?

In December, the average day length in San Martín Atexcal, Mexico, is 11h and 3min.

When are sunrise and sunset in December in San Martín Atexcal?

On the first day of December in San Martín Atexcal, sunrise is at 6:47 am and sunset at 5:53 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:05 pm CST.

How many hours of sunshine does San Martín Atexcal have in December?

In San Martín Atexcal, the average sunshine duration in December is 8.6h.

When is the lowest UV index in San Martín Atexcal?

January, August, October through December, with an average maximum UV index of 5, are months with the lowest UV index in San Martín Atexcal, Mexico.

What is the UV index intensity in December in San Martín Atexcal?

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

Average temperature in December
San Martín Atexcal, Mexico

Average temperature in December - San Martín Atexcal, Mexico
  • Average high temperature in December: 25.3°C

The warmest month (with the highest average high temperature) is April (30.9°C).
The month with the lowest average high temperature is January (24.9°C).

  • Average low temperature in December: 12.5°C

The month with the highest average low temperature is May (18.8°C).
The coldest month (with the lowest average low temperature) is January (12.1°C).

Average pressure in December
San Martín Atexcal, Mexico

Average pressure in December - San Martín Atexcal, Mexico
  • Average pressure in December: 1017.3mbar

The month with the highest atmospheric pressure is January (1017.9mbar).
The month with the lowest atmospheric pressure is May (1014.1mbar).

Average wind speed in December
San Martín Atexcal, Mexico

Average wind speed in December - San Martín Atexcal, Mexico
  • Average wind speed in December: 8.3km/h

The windiest month (with the highest average wind speed) is March (9.5km/h).
The calmest month (with the lowest average wind speed) is September (6.1km/h).

Average humidity in December
San Martín Atexcal, Mexico

Average humidity in December - San Martín Atexcal, Mexico
  • Average humidity in December: 56%

The month with the highest relative humidity is September (74%).
The month with the lowest relative humidity is April (43%).

Average rainfall in December
San Martín Atexcal, Mexico

Average rainfall in December - San Martín Atexcal, Mexico
  • Average rainfall in December: 0mm

The wettest month (with the highest rainfall) is September (170mm).
The driest month (with the least rainfall) is December (0mm).

Average rainfall days in December
San Martín Atexcal, Mexico

Average rainfall days in December - San Martín Atexcal, Mexico
  • Average rainfall days in December: 0.5 days

The month with the highest number of rainy days is September (24.8 days).
The month with the least rainy days is December (0.5 days).

Average daylight in December /
Average sunshine in December
San Martín Atexcal, Mexico

Average daylight in December / Average sunshine in December - San Martín Atexcal, Mexico
  • Average daylight in December: 11h and 0min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in December: 8h and 4min

The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).

Average sunshine days in December
San Martín Atexcal, Mexico

Average sunshine days in December - San Martín Atexcal, Mexico
  • Average sunshine days in December: 30.4 days

The month with the most sunshine days is December (30.4 days).
The month with the least sunshine days is September (2.8 days).

Average UV index in December
San Martín Atexcal, Mexico

Average UV index in December - San Martín Atexcal, Mexico
  • Average UV index in December: 5

The month with the highest UV index is April (UV index 7).
The months with the lowest UV index are January, August, October, November and December (UV index 5).

Average cloud cover in December
San Martín Atexcal, Mexico

Average cloud cover in December - San Martín Atexcal, Mexico
  • Average cloud cover in December: 9

The month with the most cloud cover is September (Cloud cover 35).
The months with the least cloud cover are March and December (Cloud cover 9).

Average visibility in December
San Martín Atexcal, Mexico

Average visibility in December - San Martín Atexcal, Mexico
  • Average visibility in December: 10km

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

San Martín Atexcal, Mexico

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