Best Time to Drive: Laramie, WY to Riverton, WY

The best overall window to drive from Laramie, WY to Riverton, WY is April to October. June is especially comfortable, and 7 AM to 10 AM is usually the easiest departure window. The main things to watch are winter mix risk.

Best overall window

April to October

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

Easiest departure pattern

7 AM to 10 AM

This is short enough that a mid-morning departure still keeps the whole drive comfortable.

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 April to October, 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

Fair 21°F

Feb

Fair 25°F

Mar

Fair 35°F

Apr

Good 42°F

May

Great 52°F

Jun

Excellent 62°F

Jul

Great 70°F

Aug

Excellent 68°F

Sep

Excellent 59°F

Oct

Good 45°F

Nov

Fair 32°F

Dec

Challenging 22°F

Best Good/Fair Challenging

Average Conditions by Month

January

Avg high / low 32 / 11°F

Moisture 0.6 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.

February

Avg high / low 35 / 14°F

Moisture 0.7 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.

March

Avg high / low 47 / 23°F

Moisture 1.1 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 1.5 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 / 39°F

Moisture 2.2 in rain

Rating Great

Best departure

7 AM to 10 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 1.3 in rain

Rating Excellent

Best departure

7 AM to 10 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 86 / 54°F

Moisture 1 in rain

Rating Great

Best departure

7 AM to 10 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 84 / 52°F

Moisture 0.8 in rain

Rating Excellent

Best departure

7 AM to 10 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 74 / 43°F

Moisture 1.1 in rain

Rating Excellent

Best departure

7 AM to 10 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 58 / 32°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.

November

Avg high / low 43 / 21°F

Moisture 0.8 in rain

Rating Fair

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 32 / 12°F

Moisture 0.7 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

7 AM to 10 AM

This is short enough that a mid-morning departure still keeps the whole drive comfortable.

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 RAWLINS 1N (12.3 mi away)

Destination

Riverton, WY

WY RIVERTON (0.5 mi away)

Ready to plan? See the full trip plan from Laramie, WY to Riverton, WY with stops, fuel costs, and directions.

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