Katy Weather in December

Thinking of visiting Katy in December? Expect pleasant temperatures reaching 18°C (64°F) during the day, dropping to 7°C (45°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Katy in December

This month experiences about 9 days of rain according to historical data, averaging 79 mm (3.1 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Katy in December

If you're visiting Katy in December, expect highs of 18°C (64°F) and overnight lows around 7°C (45°F). December is known for being in the winter season. Conditions are often most pleasant around the middle of the day. Nights fall to 7°C (45°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 Katy in December

The area enjoys a moderate level of sunlight, with around 150 hours. It's a good balance between sunny and cloudy days.

Should you favor a climate that's both dry and comfortably warm, March and November typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Katy's climate page.

Katy Temperature in December

Min Temperature 7°C (45°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 31%  

Precipitation 79 mm (3.1 in)  

Rainy days 9 days  

Humidity 75% *  

Sunshine 150 hours *  

Percentage Sunshine 47% *  

* Data from: Houston, the United States of America (44 KM, 27 Miles).

What to Wear in Katy in December

For Katy 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. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Katy in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Katy's climate page.

More climate data for Katy

Temperature Rainfall Sunshine Humidity

See the full Katy climate overview or explore weather in the United States of America.