Weather in Rapid City in January
Rapid City, United States averages a high of 2.7°C (36.9°F) and low of -7.7°C (18.1°F) in January, with 4 rain days and 7.6 hours of daily sunshine. Travel score: 57.2/100 (Mixed). The best time to visit Rapid City is August.
High
3°C37°F
Low
-8°C18°F
🌧️
4
rain days
☀️
7.6
hrs/day sunshine
💧
60%
humidity
57— Mixed
January in Rapid City is cold and mostly dry — bring heavy winter clothing.
What are the average temperatures in Rapid City?
How much does it rain in Rapid City in January?
Rapid City receives an average of 12.3mm of rainfall across 4 rainy days in January. The annual total is 557.4mm.
What should I pack for Rapid City in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around 3°C
🩳
Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -8°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