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Weather · December

Richardson weather in December

Average highs of 57°F, lows of 38°F and 3.4 in of rain, from 30 years of weather records.

December is Richardson’s 11th warmest month, with average highs of 57°F and lows of 38°F. That is 9° cooler than November, and 19° below the yearly average high.

Average high
57°F
Average low
38°F
Precipitation
3.4 in
Wet days
8
Sunrise · sunset
7:22 AM · 5:21 PM

December across the year

  1. 56°36°Jan
  2. 60°40°Feb
  3. 69°48°Mar
  4. 75°55°Apr
  5. 83°64°May
  6. 90°71°Jun
  7. 94°75°Jul
  8. 95°75°Aug
  9. 87°67°Sep
  10. 78°56°Oct
  11. 66°46°Nov
  12. 57°38°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.
  • Pack an umbrella or rain jacket: rain or snow falls on about 8 days this month.

December is good for

What’s on in Richardson in December

See all upcoming events and school days off.

See Richardson

A look around town before you go.

Spring Walk in Point North Park video thumbnail

A WALK AROUND TOWN

Spring Walk in Point North Park

A short walk around Point North Park on a windy spring day. A film shared by made to xplore.

Watch on YouTube ↗

December compared with the months around it

MonthHighLowRain
November66°F46°F3.0 in
December57°F38°F3.4 in
January56°F36°F2.8 in

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

Questions

How hot does it get in Richardson in December?

Average highs are 57°F and average lows 38°F, for a daily mean of 48°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Richardson in December?

December averages 3.4 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 Richardson in December?

Around mid-December the sun rises about 7:22 AM and sets about 5:21 PM, for roughly 10.0 hours of daylight.

Is December a good time to visit Richardson?

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, Richardson station (2.6 mi from downtown). Sunrise and sunset are calculated for December 15 at the city’s coordinates.

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