December weather forecast
Constancia del Rosario, Mexico

December

Weather in December

The first month of the winter, December, is still a pleasant month in Constancia del Rosario, Mexico, with an average temperature varying between 9.4°C (48.9°F) and 21.5°C (70.7°F).

Temperature

With the onset of December, Constancia del Rosario greets a high temperature of a still pleasant 21.5°C (70.7°F), showing no significant variation from November. Constancia del Rosario records a consistent low-temperature average of 9.4°C (48.9°F) during December, indicating a significant difference from the daytime heat.

Humidity

In December, the average relative humidity in Constancia del Rosario, Mexico, is 69%.

Rainfall

The month with the least rainfall is December, when the rain falls for 4.5 days and typically collects 3mm (0.12") of precipitation.

Daylight

The month with the shortest days is December, with an average of 11h and 6min of daylight.
On the first day of December in Constancia del Rosario, sunrise is at 6:45 am and sunset at 5:56 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:09 pm CST.

Sunshine

In Constancia del Rosario, the average sunshine in December is 8.5h.

UV index

January, June, October through December, with an average maximum UV index of 4, are months with the lowest UV index in Constancia del Rosario. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: In December, an average UV index of 4 transforms into the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

What are December temperatures in Constancia del Rosario?
The high-temperature, in December, in Constancia del Rosario, records 21.5°C (70.7°F), while the low-temperature is 9.4°C (48.9°F). In April, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 28°C (82.4°F).
What is the average humidity in December in Constancia del Rosario?
The average relative humidity in December is 69%.
What is the driest month in Constancia del Rosario?
December is the month with the least rainfall in Constancia del Rosario. Rain falls for 4.5 days and accumulates 3mm (0.12") of precipitation.
How many days does it rain in December in Constancia del Rosario?
In Constancia del Rosario, Mexico, during December, the rain falls for 4.5 days and regularly aggregates up to 3mm (0.12") of precipitation.
What is the month with the shortest days in Constancia del Rosario?
December has the shortest days of the year, with an average of 11h and 6min of daylight.
What is the average length of the day in December in Constancia del Rosario?
In Constancia del Rosario, Mexico, the average day length in December is 11h and 8min.
What time are sunrise and sunset in December in Constancia del Rosario?
On the first day of December in Constancia del Rosario, sunrise is at 6:45 am and sunset at 5:56 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:09 pm CST.
How long on average sun shines in December in Constancia del Rosario?
In Constancia del Rosario, Mexico, the average sunshine duration in December is 8.5h.
What is the month with the lowest UV index in Constancia del Rosario?
The months with the lowest UV index in Constancia del Rosario, Mexico, are January, June, October through December, with an average maximum UV index of 4.
How high is the UV index in December in Constancia del Rosario?
The average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Constancia del Rosario, Mexico
Average temperature in December
Constancia del Rosario, Mexico
  • Average high temperature in December: 21.5°C

The warmest month (with the highest average high temperature) is April (27.3°C).
The month with the lowest average high temperature is January (21.1°C).

  • Average low temperature in December: 9.4°C

The month with the highest average low temperature is May (14.5°C).
The coldest month (with the lowest average low temperature) is January (8.8°C).

Average pressure in December - Constancia del Rosario, Mexico
Average pressure in December
Constancia del Rosario, Mexico
  • Average pressure in December: 1017.1mbar

The month with the highest atmospheric pressure is January (1017.7mbar).
The month with the lowest atmospheric pressure is May (1013.8mbar).

Average wind speed in December - Constancia del Rosario, Mexico
Average wind speed in December
Constancia del Rosario, Mexico
  • Average wind speed in December: 7.8km/h

The windiest month (with the highest average wind speed) is January (8.7km/h).
The calmest months (with the lowest average wind speed) are June and September (6.7km/h).

Average humidity in December - Constancia del Rosario, Mexico
Average humidity in December
Constancia del Rosario, Mexico
  • Average humidity in December: 69%

The month with the highest relative humidity is September (81%).
The month with the lowest relative humidity is April (56%).

Average rainfall in December - Constancia del Rosario, Mexico
Average rainfall in December
Constancia del Rosario, Mexico
  • Average rainfall in December: 3mm

The wettest month (with the highest rainfall) is June (164mm).
The driest month (with the least rainfall) is December (3mm).

Average rainfall days in December - Constancia del Rosario, Mexico
Average rainfall days in December
Constancia del Rosario, Mexico
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is September (26.6 days).
The month with the least rainy days is December (4.5 days).

Average daylight in December / Average sunshine in December - Constancia del Rosario, Mexico
Average daylight in December /
Average sunshine in December
Constancia del Rosario, Mexico
  • Average daylight in December: 11h and 1min

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).

  • Average sunshine in December: 8h and 3min

The month with the most sunshine is May (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 36min).

Average sunshine days in December - Constancia del Rosario, Mexico
Average sunshine days in December
Constancia del Rosario, Mexico
  • Average sunshine days in December: 22.2 days

The month with the most sunshine days is December (22.2 days).
The months with the least sunshine days are August and September (2 days).

Average UV index in December - Constancia del Rosario, Mexico
Average UV index in December
Constancia del Rosario, Mexico
  • Average UV index in December: 4

The month with the highest UV index is April (UV index 6).
The months with the lowest UV index are January, June, October, November and December (UV index 4).

Average cloud cover in December - Constancia del Rosario, Mexico
Average cloud cover in December
Constancia del Rosario, Mexico
  • Average cloud cover in December: 18

The month with the most cloud cover is September (Cloud cover 42).
The months with the least cloud cover are February, March and April (Cloud cover 15).

Average visibility in December - Constancia del Rosario, Mexico
Average visibility in December
Constancia del Rosario, Mexico
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, November and December (10km).
The month with the lowest visibility is September (8km).

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