December weather forecastRío Blanco, Mexico
December
Weather in December
December, the first month of the winter in Río Blanco, is still a refreshing month, with an average temperature ranging between max 19.4°C (66.9°F) and min 9.5°C (49.1°F).Temperature
In December, Río Blanco experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 19.8°C (67.6°F) in November to a still comfortable 19.4°C (66.9°F). During December, the nighttime temperature in Río Blanco averages of 9.5°C (49.1°F).Humidity
In December, the average relative humidity is 77%.Rainfall
The month with the least rainfall in Río Blanco is December, when the rain falls for 10.2 days and typically collects 13mm (0.51") of precipitation.Daylight
December has the shortest days of the year, with an average of 11h and 0min of daylight.On the first day of the month, sunrise is at 6:45 am and sunset at 5:50 pm. On the last day of December, in Río Blanco, sunrise is at 7:01 am and sunset at 6:02 pm CST.
Sunshine
The average sunshine in December is 7.4h.UV index
The months with the lowest UV index are January, October through December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in December converts into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Río Blanco, Mexico
- Average high temperature in December: 19.4°C
The warmest month (with the highest average high temperature) is April (25.8°C).
The month with the lowest average high temperature is January (18.5°C).
- Average low temperature in December: 9.5°C
The month with the highest average low temperature is May (14.2°C).
The coldest month (with the lowest average low temperature) is January (8.8°C).
Average pressure in December
Río Blanco, Mexico
- Average pressure in December: 1018.2mbar
The month with the highest atmospheric pressure is January (1019.2mbar).
The month with the lowest atmospheric pressure is May (1013.8mbar).
Average wind speed in December
Río Blanco, Mexico
- Average wind speed in December: 6.5km/h
The windiest month (with the highest average wind speed) is March (7.6km/h).
The calmest month (with the lowest average wind speed) is September (5.7km/h).
Average humidity in December
Río Blanco, Mexico
- Average humidity in December: 77%
The months with the highest relative humidity are September and October (83%).
The month with the lowest relative humidity is April (67%).
Average rainfall in December
Río Blanco, Mexico
- Average rainfall in December: 13mm
The wettest month (with the highest rainfall) is June (184mm).
The driest month (with the least rainfall) is December (13mm).
Average rainfall days in December
Río Blanco, Mexico
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is September (26.1 days).
The month with the least rainy days is December (10.2 days).
Average daylight in December /
Average sunshine in December
Río Blanco, 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: 7h and 24min
The month with the most sunshine is May (Average sunshine: 10h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 54min).
Average sunshine days in December
Río Blanco, Mexico
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is December (16.1 days).
The month with the least sunshine days is September (1.9 days).
Average UV index in December
Río Blanco, Mexico
- Average UV index in December: 4
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, October, November and December (UV index 4).
Average cloud cover in December
Río Blanco, Mexico
- Average cloud cover in December: 27
The month with the most cloud cover is September (Cloud cover 41).
The months with the least cloud cover are March and April (Cloud cover 24).
Average visibility in December
Río Blanco, Mexico
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August and December (9km).
The months with the lowest visibility are September, October and November (8km).
