December weather forecastCacahoatán, Mexico

December

Weather in December

December, the first month of the winter in Cacahoatán, is also a moderately hot month, with an average temperature varying between 22.2°C (72°F) and 29.8°C (85.6°F).

Temperature

The advent of December brings an average high-temperature of a warm 29.8°C (85.6°F), exhibiting minor difference from the previous month. December nights experience a consistent temperature drop to an agreeable 22.2°C (72°F).

Heat index

The heat index value for December is calculated to be a tropical 34°C (93.2°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly relevant to children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

The average relative humidity in December is 66%.

Rainfall

In Cacahoatán, in December, it is raining for 6.7 days, with typically 15mm (0.59") of accumulated precipitation. In Cacahoatán, during the entire year, the rain falls for 226.8 days and collects up to 1216mm (47.87") of precipitation.

Daylight

The month with the shortest days in Cacahoatán is December, with an average of 11h and 18min of daylight.
On the first day of December, sunrise is at 6:18 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 5:49 pm CST.

Sunshine

In December, the average sunshine is 7.6h.

UV index

The months with the highest UV index in Cacahoatán are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Cacahoatán. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 7 in December translates into the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Updated: Aug 10, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Cacahoatán, 29.8°C (85.6°F) is the average high-temperature and 22.2°C (72°F) is the average low-temperature during December. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in December is calculated to be 34°C (93.2°F).

The average relative humidity in December is 66%.

In Cacahoatán, in December, during 6.7 rainfall days, 15mm (0.59") of precipitation is typically accumulated.

The month with the shortest days is December, with an average of 11h and 18min of daylight.

In December, the average day length is 11h and 16min.

In December, on the first day of the month, sunrise is at 6:18 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 5:49 pm CST.

In December, the average sunshine duration is 7.6h.

The months with the highest UV index are January through December, with an average maximum UV index of 7.

January through December, with an average maximum UV index of 7, are months with the lowest UV index.

In December, the average daily maximum UV index in Cacahoatán is 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

30.3°C

29.8°C

30.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.2km/h

7.8km/h

8.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

7.2

19.4

22.8

Average UV index

Average cloud cover

18%

11%

Average visibility

10km

Average temperature in December
Cacahoatán, Mexico

Average high temperature in December: 29.8°C

The warmest month (with the highest average high temperature) is April (31.8°C).
The month with the lowest average high temperature is October (29.7°C).

Average low temperature in December: 22.2°C

The month with the highest average low temperature is May (25.1°C).
The coldest months (with the lowest average low temperature) are January and December (22.2°C).

Average pressure in December
Cacahoatán, Mexico

Average pressure in December: 1013.3mbar

The month with the highest atmospheric pressure is January (1013.8mbar).
The month with the lowest atmospheric pressure is October (1011.6mbar).

Average wind speed in December
Cacahoatán, Mexico

Average wind speed in December: 6.7km/h

The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is November (6.4km/h).

Average humidity in December
Cacahoatán, Mexico

Average humidity in December: 66%

The month with the highest relative humidity is October (76%).
The months with the lowest relative humidity are January, February and March (63%).

Average rainfall in December
Cacahoatán, Mexico

Average rainfall in December: 15mm

The wettest month (with the highest rainfall) is May (244mm).
The driest month (with the least rainfall) is January (6mm).

Average rainfall days in December
Cacahoatán, Mexico

Average rainfall days in December: 6.7 days

The month with the highest number of rainy days is May (29.1 days).
The month with the least rainy days is January (3.9 days).

Average daylight in December /
Average sunshine in December
Cacahoatán, Mexico

Average daylight in December: 11h and 18min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).

Average sunshine in December: 7h and 36min

The months with the most sunshine are May and July (Average sunshine: 11h and 12min).
The month with the least sunshine is October (Average sunshine: 7h and 6min).

Average sunshine days in December
Cacahoatán, Mexico

Average sunshine days in December: 19.4 days

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is May (0.6 days).

Average UV index in December
Cacahoatán, Mexico

Average UV index in December: 7

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

Average cloud cover in December
Cacahoatán, Mexico

Average cloud cover in December: 11

The month with the most cloud cover is June (Cloud cover 36).
The months with the least cloud cover are January and December (Cloud cover 11).

Average visibility in December
Cacahoatán, Mexico

Average visibility in December: 10km

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