December weather forecastChalcatzingo, Mexico

December

Weather in December

The first month of the winter, December, is still a warm month in Chalcatzingo, Mexico, with an average temperature fluctuating between 10.5°C (50.9°F) and 23.4°C (74.1°F).

Temperature

December registers an average high-temperature of a still moderately hot 23.4°C (74.1°F), slightly varied from November's 23.5°C (74.3°F). Chalcatzingo, during the nights of December, registers a substantial plunge from the daytime high, averaging at a fresh 10.5°C (50.9°F).

Humidity

The average relative humidity in December in Chalcatzingo is 57%.

Rainfall

December is the month with the least rainfall. Rain falls for 2.6 days and accumulates 3mm (0.12") of precipitation.

Daylight

With an average of 11h and 0min of daylight, December has the shortest days of the year in Chalcatzingo.
On the first day of the month, sunrise is at 6:51 am and sunset at 5:56 pm. On the last day of December, in Chalcatzingo, Mexico, sunrise is at 7:07 am and sunset at 6:09 pm CST.

Sunshine

In December, the average sunshine in Chalcatzingo is 9h.

UV index

January, February, June through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 5 during December morphs into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. It's recommended to limit sun exposure when its radiation is at its peak during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

In December, the average high-temperature and low-temperature in Chalcatzingo, Mexico, are 23.4°C (74.1°F) and 10.5°C (50.9°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in May is evaluated at 30°C (86°F).

In December, the average relative humidity in Chalcatzingo, Mexico, is 57%.

December is the month with the least rainfall in Chalcatzingo. Rain falls for 2.6 days and accumulates 3mm (0.12") of precipitation.

In Chalcatzingo, during December, the rain falls for 2.6 days and regularly aggregates up to 3mm (0.12") of precipitation.

December has the shortest days of the year in Chalcatzingo, with an average of 11h and 0min of daylight.

In December, the average day length is 11h and 2min.

On the first day of December in Chalcatzingo, Mexico, sunrise is at 6:51 am and sunset at 5:56 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:09 pm CST.

In Chalcatzingo, Mexico, the average sunshine duration in December is 9h.

January, February, June through December, with an average maximum UV index of 5, are months with the lowest UV index.

In Chalcatzingo, the average daily maximum UV index in December is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Chalcatzingo, Mexico

  • Average high temperature in December: 23.4°C

The warmest month (with the highest average high temperature) is April (29.4°C).
The month with the lowest average high temperature is January (23.1°C).

  • Average low temperature in December: 10.5°C

The month with the highest average low temperature is May (16.6°C).
The coldest month (with the lowest average low temperature) is January (10°C).

Average pressure in December
Chalcatzingo, Mexico

  • Average pressure in December: 1017.2mbar

The month with the highest atmospheric pressure is January (1017.7mbar).
The month with the lowest atmospheric pressure is May (1014mbar).

Average wind speed in December
Chalcatzingo, Mexico

  • Average wind speed in December: 5.6km/h

The windiest month (with the highest average wind speed) is April (6.5km/h).
The calmest months (with the lowest average wind speed) are July, August and September (4.9km/h).

Average humidity in December
Chalcatzingo, Mexico

  • Average humidity in December: 57%

The month with the highest relative humidity is September (82%).
The month with the lowest relative humidity is April (40%).

Average rainfall in December
Chalcatzingo, Mexico

  • Average rainfall in December: 3mm

The wettest month (with the highest rainfall) is July (237mm).
The driest month (with the least rainfall) is December (3mm).

Average rainfall days in December
Chalcatzingo, Mexico

  • Average rainfall days in December: 2.6 days

The month with the highest number of rainy days is August (30.4 days).
The month with the least rainy days is December (2.6 days).

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

  • Average daylight in December: 11h and 0min

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 0min).

  • Average sunshine in December: 9h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is November (Average sunshine: 7h and 54min).

Average sunshine days in December
Chalcatzingo, Mexico

  • Average sunshine days in December: 26.4 days

The month with the most sunshine days is December (26.4 days).
The month with the least sunshine days is August (0.2 days).

Average UV index in December
Chalcatzingo, Mexico

  • Average UV index in December: 5

The months with the highest UV index are March, April and May (UV index 6).
The months with the lowest UV index are January, February, June, July, August, September, October, November and December (UV index 5).

Average cloud cover in December
Chalcatzingo, Mexico

  • Average cloud cover in December: 9

The month with the most cloud cover is September (Cloud cover 38).
The month with the least cloud cover is December (Cloud cover 9).

Average visibility in December
Chalcatzingo, 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).