Houston Weather in December
Houston in December sees pleasant daytime temperatures of 18°C (64°F) and nighttime lows of 9°C (48°F). Rainfall is fairly high this month at around 92 mm (3.6 in), so pack a rain jacket to stay dry.
Rainfall in Houston in December
Typically, about 10 days will experience rainfall, with an average of 92 mm (3.6 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Houston in December
In December, Houston sees pleasant temperatures, with highs of 18°C (64°F). Nights drop to around 9°C (48°F). December is in the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Houston in December
You can expect a moderate amount of sunlight, with approximately 150 hours. This means a pleasant mix of sun and overcast.
Wind Speed in Houston in December
Average wind speeds reach 3 m/s (6 knots) in December, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.If you prefer enjoying temperate temperatures and rain-free days, March typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Houston's climate page.
Houston Temperature in December
Min Temperature
9°C (48°F)
Max Temperature
18°C (64°F)
Chance of Rain
33%
Precipitation
92 mm (3.6 in)
Rainy days
10 days
Humidity
75%
Windspeed
3 m/s (6 knots)
Sunshine
150 hours
Percentage Sunshine
47%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Houston typically stay consistent throughout December, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 6°C (43°F) to 10°C (50°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Houston in December
Browse day-by-day weather records for Houston spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Houston historical weather extremes in December
Based on 49 years of weather observations in Houston between 1976 and 2025, these are the recorded extremes.
- Houston recorded its highest December temperature of 30°C (86°F) on December 9, 2021.
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 Houston in December
For Houston in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Houston 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 Houston's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Houston climate overview or explore weather in the United States of America.
