Rapid City Weather in January

Rapid City in January averages 4°C (39°F) during the day and -9°C (16°F) at night. This is the driest month of the year, and part of the winter season.

Rainfall in Rapid City in January

Dry conditions dominate this month. A good time for outdoor fun and exploration, even if the temperatures are on the cool side. Records from the past 30 years suggest around 6 days of snow/rain, with 6.6 mm (0.3 in) average for the month. Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.

Temperature in Rapid City in January

Rapid City in January gets highs of 4°C (39°F) during the day and drops to -9°C (16°F) at night. Winter occurs in January. Time outdoors is usually more comfortable with proper winter clothing and protection from wind. With lows of -9°C (16°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. As one of the coldest months, it's important to layer up to stay warm. Don't let the chill catch you off-guard.

January in Rapid City has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.