The weather in December in Houston

It's pleasantly warm in December in Houston with an average temperature of 20°C. Temperatures this month range from a low of 17°C to a high of 22°C. At night, you can expect temperatures between 9°C and 15°C.

Looking for great weather? December is a good time to be in Houston. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Houston, Texas. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 30°C in 2021, Houston reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -1°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -9°C to a highest value of 25°C.

Rainfall amount

In December, there is an average of 55 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the South.

Daily weather in December for Houston

Click on any day in December to get detailed info about the usual weather on that day in Houston. Check out the historical temperatures and precipitation over the past 10 years on this day.

December weather comparison

  Houston New York
Average temperature 20°C 9°C
Max. temperature 22°C 12°C
Min. temperature 9°C -5°C
Total precipitation 55 mm 133 mm
Rainy days 9 days 17 days

Start of December

The month of December starts in Houston with mild temps, averaging around 21°C during the day and nights around 13°C.

Mid December

By mid-December, daytime temps drop to around 20°C, with nights around 12°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of December

By the end of December, the average daytime temperature in Houston is around 20°C, while nighttime temps are about 12°C. A shower might pop up, but overall, the weather will be dry and sunny.

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UV index

The UV index is a maximum of 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

The hurricane season in Houston runs from June to November.

Check out the climate of Houston for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in December in Houston, Texas. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in December in Houston

Temperature in December in Houston over the years

Precipitation charts

These charts show the average amount of precipitation in December in Houston, Texas. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in December in Houston

Total precipitation in December in Houston over the years

Daily UV index in December in Houston

This chart shows the average daily UV index in December in Houston, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in December in Houston

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Average weather in Houston by month

Click on a month below to see detailed weather info for Houston. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.