Weather in Trenton in January
Trenton, United States averages a high of 4.4°C (39.9°F) and low of -3.6°C (25.5°F) in January, with 9 rain days and 6.4 hours of daily sunshine. Travel score: 50.5/100 (Mixed). The best time to visit Trenton is August.
High
4°C40°F
Low
-4°C26°F
🌧️
9
rain days
☀️
6.4
hrs/day sunshine
💧
67%
humidity
51— Mixed
January in Trenton is cold and occasionally wet — bring heavy winter clothing.
What are the average temperatures in Trenton?
How much does it rain in Trenton in January?
Trenton receives an average of 85.2mm of rainfall across 9 rainy days in January. The annual total is 1117.4mm.
What should I pack for Trenton in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around 4°C
🩳
Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -4°C
🧣
Warm scarf
Protect against cold winds
Traveling to United States in January?
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