December weather forecastVilla Unión, Mexico

December

Weather in December

December, the first month of the winter in Villa Unión, is also a moderately hot month, with temperature in the range of an average high of 25.5°C (77.9°F) and an average low of 20.3°C (68.5°F).

Temperature

The dawn of December sees an average high-temperature of a still moderately hot 25.5°C (77.9°F), subtly contrasting with November's 28.3°C (82.9°F). December nights cool down to an average low-temperature of 20.3°C (68.5°F).

Humidity

In December, the average relative humidity is 63%.

Rainfall

In Villa Unión, in December, it is raining for 3.7 days, with typically 11mm (0.43") of accumulated precipitation. Throughout the year, there are 113.9 rainfall days, and 454mm (17.87") of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 10h and 42min of daylight.
On the first day of the month, sunrise is at 6:29 am and sunset at 5:18 pm. On the last day of December, sunrise is at 6:46 am and sunset at 5:30 pm MST.

Sunshine

In December, the average sunshine is 7.4h.

UV index

January through April, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Villa Unión. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 6 in December suggests the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Updated: Aug 13, 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 25.5°C (77.9°F) and 20.3°C (68.5°F) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in November is appraised at 30°C (86°F).

In Villa Unión, the average relative humidity in December is 63%.

In Villa Unión, during December, the rain falls for 3.7 days and regularly aggregates up to 11mm (0.43") of precipitation.

With an average of 10h and 42min of daylight, December has the shortest days of the year.

In December, the average day length is 10h and 44min.

On the first day of December, sunrise is at 6:29 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 5:30 pm MST.

The average sunshine duration in December is 7.4h.

The months with the lowest UV index in Villa Unión are January through April, November and December, with an average maximum UV index of 6.

In December, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk 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

28.3°C

25.5°C

25.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12km/h

11.9km/h

12.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

24.5

26.4

26.5

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Villa Unión, Mexico

Average high temperature in December: 25.5°C

The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is February (25.1°C).

Average low temperature in December: 20.3°C

The months with the highest average low temperature are July and August (26.9°C).
The coldest months (with the lowest average low temperature) are January and February (19.4°C).

Average pressure in December
Villa Unión, Mexico

Average pressure in December: 1014.8mbar

The month with the highest atmospheric pressure is January (1015.4mbar).
The month with the lowest atmospheric pressure is September (1011.2mbar).

Average wind speed in December
Villa Unión, Mexico

Average wind speed in December: 10.9km/h

The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest month (with the lowest average wind speed) is July (10.5km/h).

Average humidity in December
Villa Unión, Mexico

Average humidity in December: 63%

The month with the highest relative humidity is September (77%).
The months with the lowest relative humidity are January and March (60%).

Average rainfall in December
Villa Unión, Mexico

Average rainfall in December: 11mm

The wettest month (with the highest rainfall) is September (121mm).
The driest month (with the least rainfall) is April (0mm).

Average rainfall days in December
Villa Unión, Mexico

Average rainfall days in December: 3.7 days

The month with the highest number of rainy days is August (25.3 days).
The month with the least rainy days is April (0.6 days).

Average daylight in December /
Average sunshine in December
Villa Unión, Mexico

Average daylight in December: 10h and 42min

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 42min).

Average sunshine in December: 7h and 24min

The month with the most sunshine is May (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 7h and 18min).

Average sunshine days in December
Villa Unión, Mexico

Average sunshine days in December: 26.4 days

The month with the most sunshine days is April (29.3 days).
The month with the least sunshine days is August (1.9 days).

Average UV index in December
Villa Unión, Mexico

Average UV index in December: 6

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

Average cloud cover in December
Villa Unión, Mexico

Average cloud cover in December: 14

The month with the most cloud cover is August (Cloud cover 33).
The month with the least cloud cover is May (Cloud cover 10).

Average visibility in December
Villa Unión, 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).