Weather in Allen in December
Allen, United States averages a high of 13.7°C (56.7°F) and low of 4.8°C (40.6°F) in December, with 7 rain days and 6.9 hours of daily sunshine. Travel score: 65/100 (Good). The best time to visit Allen is September.
High
14°C57°F
Low
5°C41°F
🌧️
7
rain days
☀️
6.9
hrs/day sunshine
💧
70%
humidity
65— Good
December in Allen is cool and mostly dry — good for most activities.
What are the average temperatures in Allen?
How much does it rain in Allen in December?
Allen receives an average of 87.9mm of rainfall across 7 rainy days in December. The annual total is 1073.5mm.
What should I pack for Allen 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
🎉Visiting United States in December?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31