Rio Grande Weather in December
Rio Grande in December averages 10°C (50°F) during the day and 1°C (34°F) at night. This is the wettest month of the year, and part of the winter season.
Rainfall in Rio Grande in December
The month brings the most rain, so be prepared with an umbrella for the occasional shower. Typically around 11 days of rainfall are expected, averaging 127 mm (5 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Rio Grande in December
If you're visiting Rio Grande in December, expect highs of 10°C (50°F) and overnight lows around 1°C (34°F). Experience the winter season in December. It stays cool throughout the day, so warm layers are a good idea from morning to evening. Nights fall to 1°C (34°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Average water temperature in December
With water temperatures around 6°C (43°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.December in Rio Grande has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Rio Grande's climate page.
Rio Grande Temperature in December
Min Temperature
1°C (34°F)
Max Temperature
10°C (50°F)
Water Temperature
6°C (43°F) *
Chance of Rain
36%
Precipitation
127 mm (5 in)
Rainy days
11 days
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Rio Grande in December
Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. Expect water temperatures of around 6°C (43°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items.What To Do in Rio Grande in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Rio Grande's climate page.
Temperature Rainfall Water Temp
See the full Rio Grande climate overview or explore weather in the United States of America.
