December weather forecast
San Pedro Ahuacatlan, Mexico

December

Weather in December

December, the first month of the winter in San Pedro Ahuacatlan, is still a pleasant month, with an average temperature fluctuating between 7.7°C (45.9°F) and 20.3°C (68.5°F).

Temperature

San Pedro Ahuacatlan ushers in December with an average high-temperature of a still agreeable 20.3°C (68.5°F), showing a close resemblance to the previous month. Throughout the month of December, San Pedro Ahuacatlan observes a dramatic downturn from the daytime peak temperatures, expecting an average low of 7.7°C (45.9°F).

Humidity

In December, the average relative humidity is 59%.

Rainfall

December is the month with the least rainfall. Rain falls for 2.7 days and accumulates 3mm (0.12") of precipitation.

Daylight

The month with the shortest days is December, with an average of 10h and 54min of daylight.
On the first day of December in San Pedro Ahuacatlan, sunrise is at 6:59 am and sunset at 5:58 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 6:10 pm CST.

Sunshine

The average sunshine in December is 9.2h.

UV index

January, August, October through December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 4 during December leads to these advisories:
Undertake protective steps - Preventing sun damage is advised. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

What is the usual temperature for San Pedro Ahuacatlan in December?
In San Pedro Ahuacatlan, 20.3°C (68.5°F) is the average high-temperature and 7.7°C (45.9°F) is the average low-temperature during December.
What is the average humidity in December?
In December, the average relative humidity is 59%.
What is the driest month?
December is the month with the least rainfall. Rain falls for 2.7 days and accumulates 3mm (0.12") of precipitation.
How much does it rain in December?
In San Pedro Ahuacatlan, in December, during 2.7 rainfall days, 3mm (0.12") of precipitation is typically accumulated.
What is the month with the shortest days?
With an average of 10h and 54min of daylight, December has the shortest days of the year in San Pedro Ahuacatlan.
What is the average length of the day in December?
The average day length in December is 10h and 55min.
When are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 6:59 am and sunset at 5:58 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 6:10 pm CST.
How many hours of sunshine does San Pedro Ahuacatlan have in December?
In December, the average sunshine duration is 9.2h.
When is the lowest UV index?
The months with the lowest UV index are January, August, October through December, with an average maximum UV index of 4.
What is the UV index intensity in December in San Pedro Ahuacatlan?
The average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - San Pedro Ahuacatlan, Mexico
Average temperature in December
San Pedro Ahuacatlan, Mexico
  • Average high temperature in December: 20.3°C

The warmest months (with the highest average high temperature) are April and May (26.3°C).
The month with the lowest average high temperature is January (19.5°C).

  • Average low temperature in December: 7.7°C

The month with the highest average low temperature is May (13.8°C).
The coldest month (with the lowest average low temperature) is January (7.1°C).

Average pressure in December - San Pedro Ahuacatlan, Mexico
Average pressure in December
San Pedro Ahuacatlan, Mexico
  • Average pressure in December: 1017.8mbar

The month with the highest atmospheric pressure is January (1018.6mbar).
The month with the lowest atmospheric pressure is May (1013.8mbar).

Average wind speed in December - San Pedro Ahuacatlan, Mexico
Average wind speed in December
San Pedro Ahuacatlan, Mexico
  • Average wind speed in December: 9.1km/h

The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest month (with the lowest average wind speed) is July (9km/h).

Average humidity in December - San Pedro Ahuacatlan, Mexico
Average humidity in December
San Pedro Ahuacatlan, Mexico
  • Average humidity in December: 59%

The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is April (43%).

Average rainfall in December - San Pedro Ahuacatlan, Mexico
Average rainfall in December
San Pedro Ahuacatlan, Mexico
  • Average rainfall in December: 3mm

The wettest month (with the highest rainfall) is July (109mm).
The driest month (with the least rainfall) is December (3mm).

Average rainfall days in December - San Pedro Ahuacatlan, Mexico
Average rainfall days in December
San Pedro Ahuacatlan, Mexico
  • Average rainfall days in December: 2.7 days

The month with the highest number of rainy days is July (24.2 days).
The month with the least rainy days is December (2.7 days).

Average daylight in December / Average sunshine in December - San Pedro Ahuacatlan, Mexico
Average daylight in December /
Average sunshine in December
San Pedro Ahuacatlan, Mexico
  • Average daylight in December: 10h and 5min

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).

  • Average sunshine in December: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is November (Average sunshine: 8h and 12min).

Average sunshine days in December - San Pedro Ahuacatlan, Mexico
Average sunshine days in December
San Pedro Ahuacatlan, Mexico
  • Average sunshine days in December: 26.3 days

The month with the most sunshine days is December (26.3 days).
The month with the least sunshine days is July (3.2 days).

Average UV index in December - San Pedro Ahuacatlan, Mexico
Average UV index in December
San Pedro Ahuacatlan, Mexico
  • Average UV index in December: 4

The month with the highest UV index is April (UV index 6).
The months with the lowest UV index are January, August, October, November and December (UV index 4).

Average cloud cover in December - San Pedro Ahuacatlan, Mexico
Average cloud cover in December
San Pedro Ahuacatlan, Mexico
  • Average cloud cover in December: 13

The months with the most cloud cover are July and September (Cloud cover 44).
The months with the least cloud cover are March, April and December (Cloud cover 13).

Average visibility in December - San Pedro Ahuacatlan, Mexico
Average visibility in December
San Pedro Ahuacatlan, Mexico
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May and December (10km).
The months with the lowest visibility are July, August and September (8km).

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