December weather forecastAltamira, Mexico
December
Weather in December
December, the first month of the winter in Altamira, is also a moderately hot month, with an average temperature fluctuating between 23.9°C (75°F) and 18°C (64.4°F).Temperature
Altamira's weather in December indicates an average high-temperature of a still warm 23.9°C (75°F), nearly consistent with the 25.5°C (77.9°F) of November. Nighttime temperatures in Altamira consistently average a comfortable 18°C (64.4°F) during December.Humidity
In December, the average relative humidity in Altamira is 76%.Rainfall
In December, in Altamira, Mexico, the rain falls for 7.4 days. Throughout December, 13mm (0.51") of precipitation is accumulated. In Altamira, during the entire year, the rain falls for 154.6 days and collects up to 541mm (21.3") of precipitation.Daylight
December has the shortest days of the year in Altamira, with an average of 10h and 48min of daylight.On the first day of December, sunrise is at 6:55 am and sunset at 5:46 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:58 pm CST.
Sunshine
With an average of 5.6h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 5 transforms into these recommendations:
Take precautions - Protection against sun damage is advised. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Altamira, Mexico
- Average high temperature in December: 23.9°C
The warmest month (with the highest average high temperature) is August (31.8°C).
The month with the lowest average high temperature is January (22.8°C).
- Average low temperature in December: 18°C
The month with the highest average low temperature is June (25.9°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).
Average pressure in December
Altamira, Mexico
- Average pressure in December: 1017.5mbar
The month with the highest atmospheric pressure is January (1019.2mbar).
The months with the lowest atmospheric pressure are May and June (1011.7mbar).
Average wind speed in December
Altamira, Mexico
- Average wind speed in December: 14km/h
The windiest months (with the highest average wind speed) are April and May (15.6km/h).
The calmest month (with the lowest average wind speed) is September (12.5km/h).
Average humidity in December
Altamira, Mexico
- Average humidity in December: 76%
The month with the highest relative humidity is February (77%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in December
Altamira, Mexico
- Average rainfall in December: 13mm
The wettest month (with the highest rainfall) is September (130mm).
The driest month (with the least rainfall) is April (7mm).
Average rainfall days in December
Altamira, Mexico
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is September (23.3 days).
The month with the least rainy days is April (5.7 days).
Average daylight in December /
Average sunshine in December
Altamira, Mexico
- Average daylight in December: 10h and 48min
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 48min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Altamira, Mexico
- Average sunshine days in December: 21.8 days
The month with the most sunshine days is April (23.5 days).
The month with the least sunshine days is September (5.8 days).
Average UV index in December
Altamira, Mexico
- Average UV index in December: 5
The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover in December
Altamira, Mexico
- Average cloud cover in December: 41
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Altamira, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is March (9km).
