December weather forecastCiudad Constitución, Mexico
December
Weather in December
The first month of the winter, December, is still a pleasant month in Ciudad Constitución, Mexico, with an average temperature varying between 21.9°C (71.4°F) and 15.8°C (60.4°F).Temperature
December signifies a minor drop in average high-temperature, transitioning from a moderately hot 25.6°C (78.1°F) in November to an agreeable 21.9°C (71.4°F). Throughout the month of December, the nighttime temperature dips to an average of 15.8°C (60.4°F).Humidity
In December, the average relative humidity is 59%.Rainfall
The months with the least rainfall in Ciudad Constitución are April, May and December Rain falls for 2.1 days and accumulates 2mm (0.08") of rain.Daylight
With an average of 10h and 36min of daylight, December has the shortest days of the year in Ciudad Constitución.On the first day of December in Ciudad Constitución, sunrise is at 6:55 am and sunset at 5:36 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:48 pm MST.
Sunshine
December has the least sunshine of the year in Ciudad Constitución, with an average of 7.2h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 5, are months with the lowest UV index in Ciudad Constitución. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 5 in December translates into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ciudad Constitución, Mexico
- Average high temperature in December: 21.9°C
The warmest month (with the highest average high temperature) is August (32.6°C).
The month with the lowest average high temperature is January (21.6°C).
- Average low temperature in December: 15.8°C
The month with the highest average low temperature is August (27.7°C).
The coldest month (with the lowest average low temperature) is January (14.9°C).
Average pressure in December
Ciudad Constitución, Mexico
- Average pressure in December: 1015.5mbar
The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is September (1009mbar).
Average wind speed in December
Ciudad Constitución, Mexico
- Average wind speed in December: 13.3km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest months (with the lowest average wind speed) are July and August (9.5km/h).
Average humidity in December
Ciudad Constitución, Mexico
- Average humidity in December: 59%
The month with the highest relative humidity is September (60%).
The month with the lowest relative humidity is May (42%).
Average rainfall in December
Ciudad Constitución, Mexico
- Average rainfall in December: 2mm
The wettest month (with the highest rainfall) is September (76mm).
The driest months (with the least rainfall) are April, May and December (2mm).
Average rainfall days in December
Ciudad Constitución, Mexico
- Average rainfall days in December: 2.1 days
The month with the highest number of rainy days is August (13.2 days).
The month with the least rainy days is April (1.1 days).
Average daylight in December /
Average sunshine in December
Ciudad Constitución, Mexico
- Average daylight in December: 10h and 36min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in December: 7h and 12min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 12min).
Average sunshine days in December
Ciudad Constitución, Mexico
- Average sunshine days in December: 28.4 days
The month with the most sunshine days is March (29.6 days).
The month with the least sunshine days is August (14.4 days).
Average UV index in December
Ciudad Constitución, Mexico
- Average UV index in December: 5
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, February, November and December (UV index 5).
Average cloud cover in December
Ciudad Constitución, Mexico
- Average cloud cover in December: 15
The months with the most cloud cover are July and September (Cloud cover 17).
The months with the least cloud cover are May and June (Cloud cover 6).
Average visibility in December
Ciudad Constitución, 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).
