McKinney Weather in December

Thinking of visiting McKinney in December? Expect moderate temperatures reaching 14°C (57°F) during the day, dropping to 2°C (36°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in McKinney in December

You can typically expect 7 days of rain this month, averaging around 80 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 McKinney in December

Daytime highs in McKinney in December reach 14°C (57°F), with nights around 2°C (36°F). December is part of winter. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 2°C (36°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 McKinney in December

With about 175 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

For McKinney itself, March, April, May, October and November generally stand out with 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.

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 McKinney's climate page.

McKinney Temperature in December

Min Temperature 2°C (36°F)  

Max Temperature 14°C (57°F)  

Chance of Rain 23%  

Precipitation 80 mm (3.1 in)  

Rainy days 7 days  

Humidity 67% *  

Sunshine 175 hours *  

Percentage Sunshine 56% *  

* Data from: Dallas, the United States of America (49 KM, 30 Miles).

What to Wear in McKinney in December

The weather can be unpredictable in December, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in McKinney in December

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

Swimming

5/10

Cycling

6/10

Walking

6/10

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 McKinney's climate page.

More climate data for McKinney

Temperature Rainfall Sunshine Humidity

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