Flower Mound source photograph

Weather · December

Flower Mound weather in December

Average highs of 58°F, lows of 36°F and 2.9 in of rain, from 30 years of weather records.

December is Flower Mound’s 11th warmest month, with average highs of 58°F and lows of 36°F. That is 9° cooler than November, and 18° below the yearly average high.

Average high
58°F
Average low
36°F
Precipitation
2.9 in
Wet days
8
Sunrise · sunset
7:24 AM · 5:23 PM

December across the year

  1. 56°34°Jan
  2. 60°38°Feb
  3. 68°45°Mar
  4. 75°54°Apr
  5. 83°63°May
  6. 91°71°Jun
  7. 95°74°Jul
  8. 96°74°Aug
  9. 89°67°Sep
  10. 78°55°Oct
  11. 66°45°Nov
  12. 58°36°Dec

High and low Rain

What to wear in December

  • Cool days: a warm jacket and long pants, plus layers for the swing between morning and afternoon.

December is good for

What’s on in Flower Mound in December

See all upcoming events and school days off.

Around Flower Mound

Cold January morning in Flower Mound
Cold January morning in Flower MoundShiva Shenoy from Flower Mound, United States · CC BY 2.0
When the skies open up, Flower Mound
When the skies open up - Flickr - Shiva ShenoyShiva Shenoy from Flower Mound, United States · CC BY 2.0
Coots on a foggy morning at Lake Grapevine, Flower Mound
Coots on a foggy morning at Lake GrapevineShiva Shenoy from Flower Mound, United States · CC BY 2.0

See Flower Mound

A look around town before you go.

Heritage Park in Flower mound | Splash Pad Open | Play ground in Dallas video thumbnail

THINGS TO DO · YOUTUBE SHORT

Heritage Park in Flower mound | Splash Pad Open | Play ground in Dallas

A local activity Short shared by play, travel.

Watch on YouTube ↗
Aerial Video Dallas - Rheudasil Park in Flower Mound video thumbnail

THINGS TO DO · YOUTUBE SHORT

Aerial Video Dallas - Rheudasil Park in Flower Mound

A local activity video shared by Global Video HQ.

Watch on YouTube ↗

December compared with the months around it

MonthHighLowRain
November66°F45°F2.8 in
December58°F36°F2.9 in
January56°F34°F2.6 in

Planning a trip? See the best time to visit Flower Mound and today’s forecast.

Questions

How hot does it get in Flower Mound in December?

Average highs are 58°F and average lows 36°F, for a daily mean of 47°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Flower Mound in December?

December averages 2.9 in of precipitation over about 8 days with at least 0.01 in. It is the 7th wettest month of the year.

What time is sunset in Flower Mound in December?

Around mid-December the sun rises about 7:24 AM and sets about 5:23 PM, for roughly 10.0 hours of daylight.

Is December a good time to visit Flower Mound?

The mildest months for visiting are March, April, November. December is cool, with Christmas lights and New Year’s Eve events.

NOAA U.S. Climate Normals 1991–2020, Grapevine Dam station (6.9 mi from downtown). Sunrise and sunset are calculated for December 15 at the city’s coordinates.

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