Best Time to Drive: Milbank, SD to Sioux Falls, SD

The best overall window to drive from Milbank, SD to Sioux Falls, SD is January. March is especially comfortable, and 9 AM to 12 PM is usually the easiest departure window.

Best overall window

January

This is the clearest single-month sweet spot on the calendar.

Easiest departure pattern

9 AM to 12 PM

Waiting for a little daylight and warmer pavement usually makes the drive easier.

Most challenging stretch

December

November is one of the harder months for this route because the weather friction stacks up faster.

Why This Route Scores Differently

This is a same-day corridor, so departure timing matters almost as much as the month you choose.

The current best window is January, when the drive is more likely to feel steady end to end.

This score uses multiple NOAA sample points along the route instead of a single state-wide climate average.

Month-by-Month Driving Conditions

Jan
Good 4°F
Feb
Good 5°F
Mar
Good 9°F
Apr
Good 14°F
May
Good 19°F
Jun
Fair 22°F
Jul
Fair 24°F
Aug
Good 23°F
Sep
Good 20°F
Oct
Good 15°F
Nov
Fair 10°F
Dec
Fair 6°F
Best Good/Fair Challenging

Average Conditions by Month

January

Avg high / low 7 / 1°F
Moisture 0.6 in rain
Rating Good

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

February

Avg high / low 9 / 2°F
Moisture 0.7 in rain
Rating Good

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

March

Avg high / low 13 / 6°F
Moisture 1.3 in rain
Rating Good

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

April

Avg high / low 18 / 11°F
Moisture 2.4 in rain
Rating Good

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

May

Avg high / low 22 / 15°F
Moisture 3.4 in rain
Rating Good

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

June

Avg high / low 26 / 19°F
Moisture 4.4 in rain
Rating Fair

Best departure

9 AM to 12 PM

Wet stretches

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

July

Avg high / low 27 / 20°F
Moisture 3.7 in rain
Rating Fair

Best departure

9 AM to 12 PM

Holiday traffic

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

August

Avg high / low 26 / 19°F
Moisture 3.4 in rain
Rating Good

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

September

Avg high / low 24 / 16°F
Moisture 2.8 in rain
Rating Good

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

October

Avg high / low 19 / 12°F
Moisture 2.2 in rain
Rating Good

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

November

Avg high / low 14 / 7°F
Moisture 1.1 in rain
Rating Fair

Best departure

9 AM to 12 PM

Holiday traffic

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

December

Avg high / low 9 / 3°F
Moisture 0.8 in rain
Rating Fair

Best departure

9 AM to 12 PM

Holiday traffic

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

Best Departure Time by Season

Spring

9 AM to 12 PM

Waiting for a little daylight and warmer pavement usually makes the drive easier.

Summer

9 AM to 12 PM

Waiting for a little daylight and warmer pavement usually makes the drive easier.

Fall

9 AM to 12 PM

Waiting for a little daylight and warmer pavement usually makes the drive easier.

Winter

9 AM to 12 PM

Waiting for a little daylight and warmer pavement usually makes the drive easier.

How This Score Was Built

Source

Route-sampled NOAA climate normals

High confidence. Built from 3 NOAA-backed route checkpoints rather than a single statewide estimate.

Origin zone

Great Plains

Destination zone

Great Plains

Route sample points

Late route

Late route checkpoint

SD MILBANK (0.8 mi away)

Late route

Late route checkpoint

SD BROOKINGS 0.2 SSW (1.4 mi away)

Destination

Sioux Falls, SD

SD SIOUX FALLS 5.0 SE ARPT (2.3 mi away)

Ready to plan? See the full trip plan from Milbank, SD to Sioux Falls, SD with stops, fuel costs, and directions.

Considering flying instead? Compare driving vs flying for this route.