December weather forecastZahuatlan, Mexico

December

Weather in December

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

Temperature

The advent of December brings an average high-temperature of a still moderately hot 23.4°C (74.1°F), almost identical to the preceding month. Nightly readings in December display a noticeable downturn from daily highs in Zahuatlan, Mexico, with the average low-temperature registering a fresh 10.5°C (50.9°F).

Humidity

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

Rainfall

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

Daylight

The month with the shortest days is December, with an average of 11h and 0min of daylight.
On the first day of the month, sunrise is at 6:52 am and sunset at 5:56 pm. On the last day of December, sunrise is at 7:08 am and sunset at 6:09 pm CST.

Sunshine

In December, the average sunshine 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 medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 5 in December transforms into this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

The high-temperature during December is 23.4°C (74.1°F) and the low-temperature is 10.5°C (50.9°F). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in May is appraised at 30°C (86°F).

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

The month with the least rainfall in Zahuatlan is December, when the rain falls for 2.6 days and typically collects 3mm (0.12") of precipitation.

In Zahuatlan, Mexico, in December, during 2.6 rainfall days, 3mm (0.12") of precipitation is typically accumulated.

The month with the shortest days in Zahuatlan is December, with an average of 11h and 0min of daylight.

In Zahuatlan, the average day length in December is 11h and 1min.

On the first day of December in Zahuatlan, Mexico, sunrise is at 6:52 am and sunset at 5:56 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:09 pm CST.

In Zahuatlan, 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 Zahuatlan, Mexico.

In Zahuatlan, the average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes 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
Zahuatlan, 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
Zahuatlan, 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
Zahuatlan, 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
Zahuatlan, 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
Zahuatlan, 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
Zahuatlan, 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
Zahuatlan, 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
Zahuatlan, 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
Zahuatlan, 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
Zahuatlan, 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
Zahuatlan, 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).