December weather forecastRío Grande, Mexico
December weather for Río Grande, Mexico: The first month of the winter, December, is still a refreshing month in Río Grande, Mexico, with an average temperature fluctuating between 18°C (64.4°F) and 5.1°C (41.2°F). December has the shortest days of the year in Río Grande, Mexico, with an average of 10h and 42min of daylight.
December
Weather in December
The first month of the winter, December, is still a refreshing month in Río Grande, Mexico, with an average temperature fluctuating between 18°C (64.4°F) and 5.1°C (41.2°F).Temperature
The arrival of December brings an average high-temperature of a still refreshing 18°C (64.4°F), closely following the temperature pattern of November. The nighttime temperature in Río Grande shows a significant divergence from the daytime highs, averaging at a wintry 5.1°C (41.2°F) in December.Humidity
The average relative humidity in December in Río Grande is 52%.Rainfall
In Río Grande, Mexico, in December, during 3.9 rainfall days, 8mm (0.31") of precipitation is typically accumulated. Throughout the year, in Río Grande, there are 119.9 rainfall days, and 489mm (19.25") of precipitation is accumulated.Snowfall
In Río Grande, snow does not fall in January, February, April through December.Daylight
December has the shortest days of the year, with an average of 10h and 42min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 6:04 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 6:16 pm CST.
Sunshine
The average sunshine in December in Río Grande is 9.5h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 3 suggests these recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Río Grande, Mexico
- Average high temperature in December: 18°C
The warmest month (with the highest average high temperature) is May (26.3°C).
The month with the lowest average high temperature is January (17.7°C).
- Average low temperature in December: 5.1°C
The month with the highest average low temperature is June (14.5°C).
The coldest month (with the lowest average low temperature) is January (4.2°C).
Average pressure in December
Río Grande, Mexico
- Average pressure in December: 1017.5mbar
The month with the highest atmospheric pressure is January (1018.1mbar).
The month with the lowest atmospheric pressure is June (1013.1mbar).
Average wind speed in December
Río Grande, Mexico
- Average wind speed in December: 11.6km/h
The windiest month (with the highest average wind speed) is April (14.3km/h).
The calmest month (with the lowest average wind speed) is October (9.1km/h).
Average humidity in December
Río Grande, Mexico
- Average humidity in December: 52%
The month with the highest relative humidity is September (72%).
The month with the lowest relative humidity is April (30%).
Average rainfall in December
Río Grande, Mexico
- Average rainfall in December: 8mm
The wettest month (with the highest rainfall) is September (109mm).
The driest month (with the least rainfall) is March (6mm).
Average rainfall days in December
Río Grande, Mexico
- Average rainfall days in December: 3.9 days
The month with the highest number of rainy days is September (21.5 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Río Grande, Mexico
- Average snowfall in December: 0mm
The month with the highest snowfall is March (2mm).
The months with the least snowfall are January, February, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Río Grande, Mexico
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is March (0.2 days).
The months with the least snowfall days are February, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Río Grande, Mexico
- Average daylight in December: 10h and 42min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).
- Average sunshine in December: 9h and 30min
The months with the most sunshine are February, May, June and November (Average sunshine: 9h and 36min).
The month with the least sunshine is September (Average sunshine: 9h and 0min).
Average sunshine days in December
Río Grande, Mexico
- Average sunshine days in December: 26.2 days
The months with the most sunshine days are March and December (26.2 days).
The month with the least sunshine days is September (4.5 days).
Average UV index in December
Río Grande, Mexico
- Average UV index in December: 3
The month with the highest UV index is May (UV index 6).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Río Grande, Mexico
- Average cloud cover in December: 15
The month with the most cloud cover is September (Cloud cover 33).
The months with the least cloud cover are March and April (Cloud cover 13).
Average visibility in December
Río Grande, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, August, November and December (10km).
The months with the lowest visibility are July, September and October (9km).
