December weather forecast
Coyuca de Catalán, Mexico

December

Weather in December

The first month of the winter, December, is still a warm month in Coyuca de Catalán, Mexico, with temperature in the range of an average high of 28.5°C (83.3°F) and an average low of 21.5°C (70.7°F).

Temperature

In Coyuca de Catalán, the lowest average temperatures are observed in December, with a high of 28.5°C (83.3°F) and a low of 21.5°C (70.7°F).

Heat index

December's mean heat index is calculated to be a hot 31°C (87.8°F). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

In December, the average relative humidity is 68%.

Rainfall

In Coyuca de Catalán, Mexico, in December, it is raining for 3.6 days, with typically 4mm (0.16") of accumulated precipitation. Throughout the year, there are 147.5 rainfall days, and 615mm (24.21") of precipitation is accumulated.

Daylight

December has the shortest days of the year in Coyuca de Catalán, with an average of 11h and 6min of daylight.
On the first day of the month, sunrise is at 6:58 am and sunset at 6:05 pm. On the last day of December, sunrise is at 7:14 am and sunset at 6:17 pm CST.

Sunshine

The months with the most sunshine are January through May and December, with an average of 9.9h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 in December converts into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

What month is the coldest in Coyuca de Catalán?
Coyuca de Catalán notes the coldest temperatures in December, with a average high of 28.5°C (83.3°F) and a low of 21.5°C (70.7°F).
Is it hot in Coyuca de Catalán during December?
The high-temperature in Coyuca de Catalán during December is 28.5°C (83.3°F) and the low-temperature is 21.5°C (70.7°F). In December, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 31°C (87.8°F).
What is the average humidity in December in Coyuca de Catalán?
In Coyuca de Catalán, Mexico, the average relative humidity in December is 68%.
How much does it rain in Coyuca de Catalán in December?
In Coyuca de Catalán, during December, the rain falls for 3.6 days and regularly aggregates up to 4mm (0.16") of precipitation.
What is the month with the shortest days in Coyuca de Catalán?
December has the shortest days of the year in Coyuca de Catalán, with an average of 11h and 6min of daylight.
What is the average length of the day in December in Coyuca de Catalán?
In December, the average day length in Coyuca de Catalán, Mexico, is 11h and 3min.
When is the sunrise / sunset in December in Coyuca de Catalán?
On the first day of December, sunrise is at 6:58 am and sunset at 6:05 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:17 pm CST.
What are the months with the most sunshine in Coyuca de Catalán?
The months with the most sunshine in Coyuca de Catalán are January through May and December, with an average of 9.9h of sunshine.
How long on average sun shines in December in Coyuca de Catalán?
In Coyuca de Catalán, the average sunshine duration in December is 9.9h.
When is the lowest UV index in Coyuca de Catalán?
January, February, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Coyuca de Catalán.
How high is the UV index in December in Coyuca de Catalán?
The average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
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
Coyuca de Catalán, Mexico
  • Average high temperature in December: 28.5°C

The warmest month (with the highest average high temperature) is May (30.5°C).
The month with the lowest average high temperature is December (28.5°C).

  • Average low temperature in December: 21.5°C

The month with the highest average low temperature is June (23.8°C).
The coldest month (with the lowest average low temperature) is February (20.8°C).

Average pressure in December
Coyuca de Catalán, Mexico
  • Average pressure in December: 1012.8mbar

The month with the highest atmospheric pressure is January (1013.4mbar).
The months with the lowest atmospheric pressure are May, June and September (1010.6mbar).

Average wind speed in December
Coyuca de Catalán, Mexico
  • Average wind speed in December: 7.2km/h

The windiest months (with the highest average wind speed) are March and September (8km/h).
The calmest month (with the lowest average wind speed) is November (7.1km/h).

Average humidity in December
Coyuca de Catalán, Mexico
  • Average humidity in December: 68%

The months with the highest relative humidity are September and October (78%).
The month with the lowest relative humidity is April (58%).

Average rainfall in December
Coyuca de Catalán, Mexico
  • Average rainfall in December: 4mm

The wettest month (with the highest rainfall) is September (182mm).
The driest month (with the least rainfall) is April (1mm).

Average rainfall days in December
Coyuca de Catalán, Mexico
  • Average rainfall days in December: 3.6 days

The month with the highest number of rainy days is August (26.3 days).
The month with the least rainy days is February (1.6 days).

Average daylight in December /
Average sunshine in December
Coyuca de Catalán, Mexico
  • Average daylight in December: 11h and 1min

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 6min).

  • Average sunshine in December: 9h and 5min

The months with the most sunshine are January, February, March, April, May and December (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 8h and 54min).

Average sunshine days in December
Coyuca de Catalán, Mexico
  • Average sunshine days in December: 24.7 days

The month with the most sunshine days is March (28.9 days).
The month with the least sunshine days is September (1.6 days).

Average UV index in December
Coyuca de Catalán, Mexico
  • Average UV index in December: 6

The months with the highest UV index are March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 6).

Average cloud cover in December
Coyuca de Catalán, Mexico
  • Average cloud cover in December: 10

The month with the most cloud cover is September (Cloud cover 35).
The month with the least cloud cover is April (Cloud cover 7).

Average visibility in December
Coyuca de Catalán, Mexico
  • Average visibility in December: 10km

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

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