December weather forecastEl Pacayal, Mexico

December

Weather in December

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

Temperature

El Pacayal measures an average high-temperature of a moderately hot 29.8°C (85.6°F) in December, nearly consistent with the preceding month. El Pacayal's nights in December cool down to an average low-temperature of 22.2°C (72°F).

Heat index

The heat index for December is computed to be a tropical 34°C (93.2°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

In El Pacayal, the average relative humidity in December is 66%.

Rainfall

In El Pacayal, Mexico, in December, during 6.6 rainfall days, 15mm (0.59") of precipitation is typically accumulated. In El Pacayal, Mexico, during the entire year, the rain falls for 226.9 days and collects up to 1231mm (48.46") of precipitation.

Daylight

With an average of 11h and 12min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:19 am and sunset at 5:35 pm. On the last day of December, sunrise is at 6:34 am and sunset at 5:48 pm CST.

Sunshine

The average sunshine in December is 7.6h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 7 suggests these recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Updated: Jul 21, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, the average high-temperature and low-temperature are 29.8°C (85.6°F) and 22.2°C (72°F) respectively. In December, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 34°C (93.2°F).

In December, the average relative humidity is 66%.

In El Pacayal, in December, during 6.6 rainfall days, 15mm (0.59") of precipitation is typically accumulated.

December has the shortest days of the year, with an average of 11h and 12min of daylight.

The average day length in December is 11h and 13min.

On the first day of December, sunrise is at 6:19 am and sunset at 5:35 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 5:48 pm CST.

In El Pacayal, the average sunshine duration in December is 7.6h.

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

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

The average daily maximum UV index in December in El Pacayal is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's 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
El Pacayal, 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
El Pacayal, 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
El Pacayal, 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
El Pacayal, Mexico

Average humidity in December: 66%

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

Average rainfall in December
El Pacayal, 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
El Pacayal, Mexico

Average rainfall days in December: 6.6 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
El Pacayal, Mexico

Average daylight in December: 11h and 12min

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 12min).

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
El Pacayal, 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
El Pacayal, 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
El Pacayal, Mexico

Average cloud cover in December: 11

The month with the most cloud cover is September (Cloud cover 38).
The months with the least cloud cover are January and December (Cloud cover 11).

Average visibility in December
El Pacayal, Mexico

Average visibility in December: 10km

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