December weather forecastNiltepec, Mexico

December

Weather in December

December, the first month of the winter in Niltepec, is also a moderately hot month, with an average temperature ranging between min 20.7°C (69.3°F) and max 28.9°C (84°F).

Temperature

Niltepec experiences an average high-temperature of a still moderately hot 28.9°C (84°F) in December, marking an insignificant shift from 29.5°C (85.1°F) in November. Niltepec, in December, observes a steady average low-temperature of 20.7°C (69.3°F).

Heat index

In December, the average heat index is calculated to be a tropical 33°C (91.4°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

In Niltepec, Mexico, the average relative humidity in December is 70%.

Rainfall

In Niltepec, Mexico, in December, during 2.5 rainfall days, 3mm (0.12") of precipitation is typically accumulated. Throughout the year, there are 132.1 rainfall days, and 500mm (19.69") of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 11h and 12min of daylight.
On the first day of December, sunrise is at 6:31 am and sunset at 5:44 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 5:56 pm CST.

Sunshine

With an average of 7.5h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are January, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 6 suggests this advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Updated: Feb 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Niltepec in December has an average high-temperature of 28.9°C (84°F) and an average low-temperature of 20.7°C (69.3°F). In December, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is calculated to be 33°C (91.4°F).

In Niltepec, Mexico, the average relative humidity in December is 70%.

In Niltepec, Mexico, in December, during 2.5 rainfall days, 3mm (0.12") of precipitation is typically accumulated.

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

In Niltepec, the average day length in December is 11h and 10min.

On the first day of December in Niltepec, Mexico, sunrise is at 6:31 am and sunset at 5:44 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 5:56 pm CST.

The month with the least sunshine is December, with an average of 7.5h of sunshine.

In December, the average sunshine duration in Niltepec, Mexico, is 7.5h.

January, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Niltepec.

The average daily maximum UV index in December in Niltepec, Mexico, is 6. A UV Index of 6 to 7 symbolizes a high health threat 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

29.5°C

28.9°C

28°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

23.6km/h

22.1km/h

23.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

26.3

27.3

26.9

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Niltepec, Mexico

Average high temperature in December: 28.9°C

The warmest month (with the highest average high temperature) is May (34.4°C).
The month with the lowest average high temperature is January (28°C).

Average low temperature in December: 20.7°C

The month with the highest average low temperature is May (25.1°C).
The coldest month (with the lowest average low temperature) is January (19.8°C).

Average pressure in December
Niltepec, Mexico

Average pressure in December: 1014.5mbar

The month with the highest atmospheric pressure is January (1015.5mbar).
The month with the lowest atmospheric pressure is May (1011.2mbar).

Average wind speed in December
Niltepec, Mexico

Average wind speed in December: 20.7km/h

The windiest month (with the highest average wind speed) is November (22.3km/h).
The calmest month (with the lowest average wind speed) is June (10.8km/h).

Average humidity in December
Niltepec, Mexico

Average humidity in December: 70%

The month with the highest relative humidity is September (74%).
The months with the lowest relative humidity are April and May (63%).

Average rainfall in December
Niltepec, Mexico

Average rainfall in December: 3mm

The wettest month (with the highest rainfall) is August (109mm).
The driest months (with the least rainfall) are January and March (2mm).

Average rainfall days in December
Niltepec, Mexico

Average rainfall days in December: 2.5 days

The month with the highest number of rainy days is June (22.8 days).
The month with the least rainy days is February (2.4 days).

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

Average daylight in December: 11h and 12min

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 12min).

Average sunshine in December: 7h and 30min

The month with the most sunshine is May (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 30min).

Average sunshine days in December
Niltepec, Mexico

Average sunshine days in December: 27.3 days

The month with the most sunshine days is December (27.3 days).
The month with the least sunshine days is June (5.3 days).

Average UV index in December
Niltepec, Mexico

Average UV index in December: 6

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

Average cloud cover in December
Niltepec, Mexico

Average cloud cover in December: 12

The months with the most cloud cover are June and September (Cloud cover 36).
The month with the least cloud cover is December (Cloud cover 12).

Average visibility in December
Niltepec, 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).