Weather in Rockville in January
Rockville, United States averages a high of 5°C (41°F) and low of -3°C (26.6°F) in January, with 8 rain days and 6.5 hours of daily sunshine. Travel score: 52.6/100 (Mixed). The best time to visit Rockville is September.
High
5°C41°F
Low
-3°C27°F
🌧️
8
rain days
☀️
6.5
hrs/day sunshine
💧
67%
humidity
53— Mixed
January in Rockville is cold and occasionally wet — bring heavy winter clothing.
What are the average temperatures in Rockville?
How much does it rain in Rockville in January?
Rockville receives an average of 79.5mm of rainfall across 8 rainy days in January. The annual total is 1108.6mm.
What should I pack for Rockville in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 5°C
🧶
Sweaters and warm layers
Layer up for comfort
🧤
Warm gloves
Cold nights around -3°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