Best Time to Drive: Lusk, WY to Green River, WY

The best overall window to drive from Lusk, WY to Green River, WY is April to September. June is especially comfortable, and 8 AM to 11 AM is usually the easiest departure window. The main things to watch are winter mix risk.

Best overall window

April to September

This stretch gives the steadiest mix of comfort, daylight, and lower weather friction.

Easiest departure pattern

8 AM to 11 AM

Mid-morning is usually the steadiest all-around departure window.

Most challenging stretch

November to December

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

Why This Route Scores Differently

You can usually do this in one long day, which makes daylight and storm timing more important than hotel planning.

The current best window is April to September, 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

Challenging 23°F

Feb

Challenging 26°F

Mar

Fair 36°F

Apr

Good 43°F

May

Great 52°F

Jun

Excellent 63°F

Jul

Good 71°F

Aug

Great 69°F

Sep

Great 59°F

Oct

Good 46°F

Nov

Challenging 34°F

Dec

Challenging 24°F

Best Good/Fair Challenging

Average Conditions by Month

January

Avg high / low 33 / 13°F

Moisture 0.6 in rain

Rating Challenging

Best departure

9 AM to 12 PM

Winter mix risk

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 37 / 15°F

Moisture 0.5 in rain

Rating Challenging

Best departure

9 AM to 12 PM

Winter mix risk

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 47 / 24°F

Moisture 0.8 in rain

Rating Fair

Best departure

9 AM to 12 PM

Winter mix risk

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 55 / 30°F

Moisture 1.3 in rain

Rating Good

Best departure

9 AM to 12 PM

Winter mix risk

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 66 / 38°F

Moisture 1.9 in rain

Rating Great

Best departure

8 AM to 11 AM

Winter mix risk

Daytime temperatures usually stay in a comfortable driving range.

Rain disruption is usually limited compared with wetter months.

June

Avg high / low 78 / 47°F

Moisture 1.2 in rain

Rating Excellent

Best departure

8 AM to 11 AM

Steady driving window

Daytime temperatures usually stay in a comfortable driving range.

Rain disruption is usually limited compared with wetter months.

July

Avg high / low 87 / 55°F

Moisture 0.8 in rain

Rating Good

Best departure

8 AM to 11 AM

Warm afternoons Holiday traffic

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

Rain disruption is usually limited compared with wetter months.

August

Avg high / low 85 / 53°F

Moisture 0.8 in rain

Rating Great

Best departure

8 AM to 11 AM

Warm afternoons

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

Rain disruption is usually limited compared with wetter months.

September

Avg high / low 75 / 44°F

Moisture 0.9 in rain

Rating Great

Best departure

8 AM to 11 AM

Steady driving window

Daytime temperatures usually stay in a comfortable driving range.

Rain disruption is usually limited compared with wetter months.

October

Avg high / low 60 / 32°F

Moisture 1.1 in rain

Rating Good

Best departure

9 AM to 12 PM

Winter mix risk

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 45 / 23°F

Moisture 0.6 in rain

Rating Challenging

Best departure

9 AM to 12 PM

Winter mix risk 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 33 / 14°F

Moisture 0.6 in rain

Rating Challenging

Best departure

9 AM to 12 PM

Winter mix risk Holiday traffic

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

Rain disruption is usually limited compared with wetter months.

Seasonal Hazards on This Route

Winter mix risk

Jan - Dec

Even light snow or freezing precipitation can matter more than usual when this route turns into a same-day commitment.

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

8 AM to 11 AM

Mid-morning is usually the steadiest all-around departure window.

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

Mountain West

Destination zone

Mountain West

Route sample points

Late route

Late route checkpoint

WY statewide fallback (0 mi away)

Late route

Late route checkpoint

WY PATHFINDER DAM (7.4 mi away)

Destination

Green River, WY

WY GREEN RVR (0.8 mi away)

Ready to plan? See the full trip plan from Lusk, WY to Green River, WY with stops, fuel costs, and directions.

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