Weather in Richardson in December
Richardson, United States averages a high of 14°C (57.2°F) and low of 4.9°C (40.8°F) in December, with 7 rain days and 6.9 hours of daily sunshine. Travel score: 65.2/100 (Good). The best time to visit Richardson is September.
High
14°C57°F
Low
5°C41°F
🌧️
7
rain days
☀️
6.9
hrs/day sunshine
💧
69%
humidity
65— Good
December in Richardson is cool and mostly dry — good for most activities.
What are the average temperatures in Richardson?
How much does it rain in Richardson in December?
Richardson receives an average of 85.7mm of rainfall across 7 rainy days in December. The annual total is 1079.8mm.
What should I pack for Richardson in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 14°C
🧶
Sweaters and warm layers
Layer up for comfort
🧤
Warm gloves
Cold nights around 5°C
🧣
Warm scarf
Protect against cold winds
Traveling to United States in December?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31