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
57Mixed

January in Rapid City is cold and mostly dry — bring heavy winter clothing.

What are the average temperatures in Rapid City?

Jan3°-8°FebMarAprMayJunJulAugSepOctNovDec

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.

Jan4dFebMarAprMayJunJulAugSepOctNovDec

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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What is the weather like in other months in Rapid City?

Data based on 1994–2024 averages · Last updated: 2024-12-31